Page 2 - Trademarks; ©2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved
Trademarks • The official name of Windows 95 is Microsoft Windows 95 Operating System.• The official name of Windows 98 is Microsoft Windows 98 Operating System.• The official name of Windows Me is Microsoft Windows Millennium Edition Operating System.• The official name of Windows 2000 is Microsoft...
Page 3 - GENERAL PRECAUTIONS REGARDING THE INSTALLATION; positions as indicated below.; Service of Machines; damp heater and their periphery.
GENERAL PRECAUTIONS REGARDING THE INSTALLATION AND SERVICE FOR e-STUDIO350/352/353/450/452/453 The installation and service should be done by a qualified service technician. 1. Transportation / Installation • When transporting/installing the equipment, employ two persons and be sure to use the posit...
Page 4 - Main Service Parts for Safety
Caution : Dispose of used batteries and RAM-ICs including lithium batteries according to this manual. Attention : Se débarrasser de batteries et RAM-ICs usés y compris les batteries en lithium selon ce manuel. Vorsicht : Entsorgung der gebrauchten Batterien und RAM-ICs (inklusive der Lithium- Batter...
Page 5 - CONTENTS
e-STUDIO350/352/353/450/452/453 CONTENTS © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved CONTENTS 1. SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES .................................... 1-1 1.1 Specifications ..................................................................................
Page 8 - Relation between system configuration and IH output
v e-STUDIO350/352/353/450/452/453CONTENTS © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 12.4 Auto-Toner Circuit ..............................................................................................................12-4 12.4.1 General description .....................................
Page 9 - Size specified Size not specified
1 - 1 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 1 e-STUDIO350/352/353/450/452/453 SPECIFICATIONS 1. SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES 1.1 Specifications * “–” means “Not acceptable”. * The copy speed in the above table are available when originals are manually placed ...
Page 11 - Toner cartridge replacing method
1 - 3 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 1 e-STUDIO350/352/353/450/452/453 SPECIFICATIONS • Eliminated portion ............. Leading edges : 3.0±2.0 mm, Side/trailing edges : 2.0±2.0 mm (copy) Leading / trailing edges : 5.0±2.0 mm, Side edges : 5.0±2.0 mm (print) • Paper feedi...
Page 12 - See the figure below
1 - 4 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 1 e-STUDIO350/352/353/450/452/453 SPECIFICATIONS • Dimensions of the equipment ....... See the figure below W660 x D718 x H739 mm (e-STUDIO350/450) W660 x D758 x H739 mm (e-STUDIO352/353/452/453) * When the tilt angle of the control pan...
Page 16 - printing an XPS file.
1 - 8 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 1 e-STUDIO350/352/353/450/452/453 SPECIFICATIONS Notes: 1. The bridge kit (KN-3520) is necessary for installation of the finisher (MJ-1022, MJ-1023/1024 or MJ-1101). 2. The finisher (MJ-1023/1024) is necessary for installation of the ho...
Page 17 - Drum
1 - 9 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 1 e-STUDIO350/352/353/450/452/453 SPECIFICATIONS 1.4 Supplies * 2) N : Asia E : Europe NONE : North America * 3) T : Taiwan D : Asia C : China E : Europe NONE : North America Drum OD-3500 Toner bag PS-TB3520 /E/N *2 Toner cartridge PS-Z...
Page 21 - OUTLINE OF THE MACHINE
2 - 1 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE 2 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 2. OUTLINE OF THE MACHINE 2.1 Sectional View Fig. 2-101 2 3 4 5 7 0 2 3 4 5 7 20,2 22 23 23 24 25 2 27 2 2 30 3 32 33 34 35 3 37 3 3 40 4 42 43 44 45 4 47 4 4 50 5 52 53 54 55 5,5...
Page 22 - Reflector
2 - 2 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE 04/05 1 Original glass 37 Bypass paper sensor 2 ADF original glass 38 Bypass separation roller 3 Mirror-1 39 Temperature/humidity sensor 4 Mirror-2 40 Transfer charger 5 Mirror-3 ...
Page 25 - Electric Parts Layout
2 - 5 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 2.2 Electric Parts Layout [A] Unit construction Fuser unit Front side Laser unit PC board unit Fig. 2-201 Scanner unit Drive unit Control panel unit Automatic duplexing unit Bypas...
Page 31 - Front side
2 - 11 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [J] Fuser unit Fig. 2-212 Front side [I] Automatic duplexing unit S26 S27 Fig. 2-211 ADU M3 CLT4 S28 Front side IH-COIL THM1 THM2 M12 THMO1 S29
Page 35 - Symbols and Functions of Various Components
2 - 15 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 2.3 Symbols and Functions of Various Components The column "P-I" shows the page and item number in the parts list.(1) Motors 07/11 Symbol Name Function Remarks P- I M1 SC...
Page 41 - Noise filter
2 - 21 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (9) Others (8) Transformer 05/11 Symbol Name Function Remarks P-I HVT PS-HVTHigh-voltage transformer Generating high-voltage and supplying it to the following sections• Main char...
Page 42 - General Description
2 2 - 22 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 2.4 General Description 2.4.1 System block diagram (1) e-STUDIO350/450 Fig. 2-401 LGC SYS SLG CCD SNS LRL Laser unit LDR 8 8 16 8 8 8 16 8 64 64 16 8 32 32 8 32 16 32 32 32 32 32...
Page 44 - signal and outputs it to the SLG board.
2 2 - 24 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 2.4.2 Construction of boards(a) Construction diagram of boards This system consists of the following including the SYS board as a main board. SYS PS-ACC FIL or FUS LGC CCD INV SL...
Page 47 - Installation and Replacement of
2 - 27 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-502 Fig. 2-504 Fig. 2-501 Fig. 2-503 Guide 2.5 Installation and Replacement of Covers and PC boards 2.5.1 External covers [A] Front cover (1) Open the front cover. (2) Rem...
Page 48 - (1) Remove 7 screws and take off the rear
2 - 28 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-505 [C] Rear cover (C-1) e-STUDIO350/450 (1) Remove 7 screws and take off the rear cover. (C-2) e-STUDIO352/353/452/453 (1) Remove 1 screw and take off the connector cov...
Page 49 - (1) Remove 2 screws and take off the left upper
2 - 29 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-512 [G] Upper rear cover (1) Take off the RADF or platen cover.(2) Take off the left upper cover ( Chapter 2.5.1 [D]). (3) Take off the right upper cover ( Chapter 2.5.1 [...
Page 50 - (1) Remove 2 screws and take off the receiving
2 - 30 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-513 [H] Receiving tray (1) Remove 2 screws and take off the receiving tray. Fig. 2-515 [I] Tray back cover (1) Take off the receiving tray ( Chapter 2.5.1 [H]). (2) Take...
Page 51 - (1) Remove 2 screws and take off the right rear
2 - 31 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-520 [N] Right rear hinge cover (1) Remove 2 screws and take off the right rear hinge cover. Fig. 2-517 Fig. 2-518 Fig. 2-519 [K] Left rear cover (1) Take off the left uppe...
Page 53 - lock and 1 joint connector fixed to the case.; (3) Disconnect 14 connectors and 1 connector
2 - 33 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-525 Fig. 2-526 Fig. 2-527 (3) Disconnect 14 connectors, 1 connector with lock and 1 joint connector fixed to the case. Fig. 2-524 Lock connector Lock connector 2.5.2 PC bo...
Page 55 - ness from harness clamps.
2 - 35 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-532 (5) Remove 4 screws and take off the hard disk. Fig. 2-533 Fig. 2-534 Fig. 2-535 (B-2) e-STUDIO352/353/452/453 (1) Take off the rear cover-1. ( chapter 2.5.1[C]) (2) D...
Page 57 - (5) Remove 5 screws and take off the SYS
2 - 37 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (5) Remove 5 screws and take off the SYS board case. (4) Release all the harnesses from harness clamps and holders on the case. Fig. 2-540 Fig. 2-541 (C-2) e-STUDIO352/353/452/45...
Page 58 - (2) Take off the hard disk with the whole SYS
2 - 38 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (5) Remove 5 screws and take off the SYS board case. Fig. 2-544 Fig. 2-546 (4) Remove 2 screws, release 1 lock support. Then take off the NIC board. NIC board Fig. 2-547 (5) Re...
Page 59 - (3) Remove 8 screws and take off the SYS
2 - 39 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [E] Switching power supply (1) Take off the left cover ( Chapter 2.5.1 [J]).(2) Remove 2 screws. Disconnect 2 connectors with lock on the front side and 1 connector while releasi...
Page 60 - and 1 washer. Then take off the noise filter.; (3) Disconnect 3 connectors while the switching
2 - 40 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-554 [G] High-voltage transformer (1) Take off the rear cover ( Chapter 2.5.1 [C]).(2) Disconnect 7 connectors. (3) Remove 2 screws and release 2 locking supports. Then t...
Page 61 - (1) Turn OFF the power and unplug the power
2 - 41 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-601 Fig. 2-602 Fig. 2-603 Fig. 2-604 (5) Open the RADF. 2.6 Options [A] MR-3015 (Reversing Automatic Document Feeder (RADF)) (1) Turn OFF the power and unplug the power ca...
Page 62 - (4) Remove 2 screws and take off 2 fixing; (7) Slide the RADF backward and take off by
2 - 42 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-608 (4) Remove 2 screws and take off 2 fixing brackets on the rear side. Fig. 2-605 Fig. 2-606 Fig. 2-607 Connector of optional damp heater (6) Remove 2 screws on the fr...
Page 63 - (5) Take off the lower drawer of the equipment
2 - 43 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (7) Lift up the equipment and take off the PFP. Fig. 2-609 Fig. 2-610 Fig. 2-611 (5) Take off the lower drawer of the equipment and PFP upper drawer. (6) Remove 4 screws and take...
Page 64 - (7) Remove 4 screws and take off 2 fixing
2 - 44 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-615 Fig. 2-616 (6) Pull out the LCF drawer. (7) Remove 4 screws and take off 2 fixing brackets on the front side. Fig. 2-613 Fig. 2-614 (5) Take off the lower drawer of ...
Page 67 - (4) Remove 2 screws and take off the cover on
2 - 47 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-626 (5) Remove 2 screws. Fig. 2-625 (4) Remove 2 screws and take off the cover on the front side. Fig. 2-627 (6) Lift up the finisher and take it off. Fig. 2-628 [E] MJ-10...
Page 68 - (6) Remove 1 screw and take off the cover of
2 - 48 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-631 Fig. 2-632 (5) Remove 1 screw. (6) Remove 1 screw and take off the cover of the finisher rear side. Fig. 2-629 (3) Remove 1 screw and take off the finisher lower cov...
Page 69 - Be careful not to fell the finisher when mov
2 - 49 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-634 (8) Take off the finisher. Note: Be careful not to fell the finisher when mov - ing the finisher unit only. Fig. 2-633 (7) Remove 1 screw. Fig. 2-635 [F] MJ-1024 (Cons...
Page 71 - (4) Take off the cover of the punch unit lower
2 - 51 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-642 (4) Take off the cover of the punch unit lower side. Fig. 2-641 (3) Open the front cover of the hole punch unit and remove 1 screw. Fig. 2-643 (5) Remove 1 screw. Fig....
Page 74 - Take off the bridge unit toward the front.
2 - 54 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-655 Fig. 2-656 (7) Lift up the bridge unit and release the hook. Take off the bridge unit toward the front. [I] MJ-5004 (Job separator) (1) Turn OFF the power and unplug...
Page 77 - Take off the offset tray toward the front.
2 - 57 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-665 (6) Remove 1 screw.(7) Lift up the offset tray and release the hook. Take off the offset tray toward the front. [K] MR-3018 (Reversing Automatic Document Feeder (RADF)...
Page 78 - (8) Slide the RADF backward and take it off by
2 - 58 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-671 Fig. 2-672 (7) Remove 2 screws on the front side. (8) Slide the RADF backward and take it off by lifting it up. Fig. 2-669 Fig. 2-670 (5) Remove 1 screw on the rear ...
Page 79 - When moving the finisher unit by itself, be
2 - 59 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-673 Fig. 2-674 [L] MJ-1101 (Console finisher) (1) Turn the power OFF and unplug the power cable. (2) Take off the connector cover and disconnect 1 connector. (3) Open the ...
Page 80 - (3) Release the Latches and take off the front
2 - 60 2 2 e-STUDIO350/352/353/450/452/453 OUTLINE OF THE MACHINE © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 2-679 Fig. 2-680 (6) Remove 1 screw and take off the mainte- nance cover. (7) Disconnect 1 connector. (3) Release the Latches and take off the front lower cover of the hol...
Page 83 - General Description of Copying Process
3 - 1 e-STUDIO350/352/353/450/452/453 COPY PROCESS 3 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 3. COPY PROCESS 3.1 General Description of Copying Process (1) Charging: Applies negative charge on the surface of the photoconductive drum. (2) Original exposure: Converts images on the ...
Page 84 - Details of Copying Process; [Formation of electrostatic latent image]
3 - 2 3 e-STUDIO350/352/353/450/452/453 COPY PROCESS © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 3.2 Details of Copying Process (1) Photoconductive drum The photoconductive drum consists of two layers. The outer layer is a photoconductive layer made of an organic photoconductive carrie...
Page 88 - Additional Explanation; and coverage of originals.
3 - 6 3 e-STUDIO350/352/353/450/452/453 COPY PROCESS © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Additional Explanation The life of the toner cartridge (number of output pages) varies depending on the following conditions. 1. Coverage of originals (printing image ratio of the original ...
Page 90 - the paper and fixing it firmly on the paper.; Paper position against transfer point
3 - 8 3 e-STUDIO350/352/353/450/452/453 COPY PROCESS © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved * Output is controlled as follows to realizes the desirable separability and transferability. Paper may not be separated from the drum surface because of moisture or malfunction of the tran...
Page 91 - Discharge LED
3 - 9 e-STUDIO350/352/353/450/452/453 COPY PROCESS 3 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (9) Cleaning Cleaning is the process of removing the re-sidual toner from the photoconductive drum. The edge of the urethane rubber cleaning blade is pressed against the photoconductive dru...
Page 92 - Process
3 - 10 3 e-STUDIO350/352/353/450/452/453 COPY PROCESS © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 3.3 Comparison with DP4500/3500 07/11 Process DP4500/3500 e-STUDIO350/352/353/450/452/453 1. Photoconductive drum (1) Sensitivity (2) Surface potential OD-3500 (OPCø60) Highly sensitized/d...
Page 93 - GENERAL OPERATION; Overview of Operation; • Pre-running operation stops after five seconds.
e-STUDIO350/352/353/450/452/453 GENERAL OPERATION 4 4 - 1 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 4. GENERAL OPERATION 4.1 Overview of Operation Operation of equipment Operation during initializing, pre-running and ready Drawer feed copying by [START] button Copying operation Bypas...
Page 94 - • Registration clutch ON after a certain period of time
4 - 2 4 e-STUDIO350/352/353/450/452/453 GENERAL OPERATION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 4.2.2 Ready state (ready for copying) • Buttons on the control panel enabled• When no button is pressed for a certain period of time, – Set number “1” and reproduction ratio “100%” are...
Page 98 - Detection of Abnormality; A) Abnormality cleared without turning OFF the door switch
4 - 6 4 e-STUDIO350/352/353/450/452/453 GENERAL OPERATION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 4.3 Detection of Abnormality When something abnormal has occurred in the equipment, the symbols corresponding to the type of abnormality are displayed. 4.3.1 Types of abnormality A) Ab...
Page 100 - Tray-up sensor is turned ON in a fixed period of time.
4 - 8 4 e-STUDIO350/352/353/450/452/453 GENERAL OPERATION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved • When the power is turned ON or the LCF drawer is inserted (when the power is turned ON or equipment drawer / PFP drawers are inserted), LCF performs initialization. ↓ Detects the pre...
Page 101 - * Registration sensor is not turned ON in a fixed period of time (E120); Registration clutch
e-STUDIO350/352/353/450/452/453 GENERAL OPERATION 4 4 - 9 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved A-2) Bypass misfeeding ( ) • During bypass feeding Bypass feed clutch ON ↓ Registration sensor ON * Registration sensor is not turned ON in a fixed period of time (E120) ↓ Bypass misfe...
Page 104 - Immediately after the power is turned ON
4 - 12 4 e-STUDIO350/352/353/450/452/453 GENERAL OPERATION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 4.4 Flow Chart 4.4.1 Immediately after the power is turned ON YES YES NO A B NO NO NO NO NO NO NO NO YES YES YES YES Call for servce YES YES YES “C20” “C270”“C20” Man swtch ON DC powe...
Page 109 - Control Panel and Display Panel
e-STUDIO350/352/353/450/452/453 CONTROL PANEL 5 5 - 1 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 5. CONTROL PANEL 5.1 Control Panel and Display Panel The control panel consists of button switches and touch-panel switches to operate equipment and select various modes, and LEDs and an L...
Page 110 - Items Shown on the Display Panel
5 - 2 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO350/352/353/450/452/453 CONTROL PANEL 5.2 Items Shown on the Display Panel Fig. 5-201 Fig. 5-202
Page 111 - finished
e-STUDIO350/352/353/450/452/453 CONTROL PANEL 5 5 - 3 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 5.2.1 Display No. Message State of equipment Note 1 - Power is OFF (at Sleep Mode) Press [START] button or [FUNCTION] button to clear 2 Saving energy - press START button At Energy Saving ...
Page 112 - specified for duplex copying is set
5 - 4 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO350/352/353/450/452/453 CONTROL PANEL No. Message State of equipment Note 20 READY (SADDLE STITCH TRAY FULL) Saddle stitcher tray is full of paper - Scanning is enabled 21 READY (CHANGE DRAWER TO CORRECT PAPER SIZE) Incorrect ...
Page 116 - Relation between the Equipment State and Operator’s Operation
5 - 8 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO350/352/353/450/452/453 CONTROL PANEL 5.3 Relation between the Equipment State and Operator’s Operation Press [ENERGY SA VER] button P res s [A CCE S S ] but ton Press [JOB ST ATUS] button Press [INTERRUPT] button Press [FUNCT...
Page 117 - Description of Operation
e-STUDIO350/352/353/450/452/453 CONTROL PANEL 5 5 - 9 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 5.4 Description of Operation 5.4.1 Dot matrix LCD circuit (1) Structure The LCD panel is an STN blue mode transmissive type LCD with 640x240-dot display capacity. It con-sists of a driver ...
Page 119 - IC; Transistor is turned ON when the LDON 0 signal becomes “L” level.; Current; Conditions to turn ON the LED; LOAD
e-STUDIO350/352/353/450/452/453 CONTROL PANEL 5 5 - 11 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved LDON0 "L" "L" 17 D7 Q3 IC R3 (COPY) 5VL LED G 5.4.2 LED display circuit (1) Method of LED display ex) Displaying “COPY” . Transistor is turned ON when the LDON 0 signal be...
Page 120 - Disassembly and Replacement; When taking off the control panel, check; Stopper; (4) Lower the control panel and remove 4
5 - 12 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO350/352/353/450/452/453 CONTROL PANEL 5.5 Disassembly and Replacement Note: When taking off the control panel, check the position of the stopper; if the stopper is at the position “b”, remove the stopper or move it to the pos...
Page 121 - Cover; (7) Remove 5 screws and take off the hinge; Hinge bracket
5 e-STUDIO350/352/353/450/452/453 CONTROL PANEL 5 - 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (6) Remove 3 screws and take off the cover. Fig. 5-505 Cover (7) Remove 5 screws and take off the hinge bracket. (8) Disconnect 5 connectors.(9) Release the harness from 2 harness clamps....
Page 122 - (12) Remove 16 screws and take off the KEY; KEY board
5 - 14 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO350/352/353/450/452/453 CONTROL PANEL 05/11 (12) Remove 16 screws and take off the KEY board. Fig. 5-509 KEY board
Page 124 - the scan motor and scans an original on the glass.
6 6 - 2 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 6.2 Construction a. Exposure lamp This lamp is the light source to irradiate the original on the glass. (One 16W xenon lamp)b. Lamp inverter Controls lighting of the xenon lamp. c. Reflector Thi...
Page 126 - Description of Operation; position during scanning operation.; Wire pulley
6 6 - 4 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 6.3 Description of Operation 6.3.1 Scan motor (a) Scanning of an original placed on the original glass This motor drives the carriages-1 and -2 through the timing belt and carriage wire. First, ...
Page 128 - * Internal circuit of the motor driver works when the first
6 6 - 6 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Motor is rotated by setting number of pulse. * Internal circuit of the motor driver works when the first pulse be-comes ON and the last pulse becomes OFF. The direction of the motor rotation is ...
Page 130 - Control of Exposure Lamp; plate
6 6 - 8 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 6.4 Control of Exposure Lamp 6.4.1 General description Control crcut for the exposure lamp conssts of the followng three blocks: (1) Lighting device for the xenon lamp (Inverter) Turns ON/OFF th...
Page 132 - Control circuit for the exposure lamp; SLG board; OFF
6 6 - 10 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved LMPON5VSW ONWDTOUTXenon lamp LL H ON - H - -- L --- LAMP-EXPO IC4 IC6 IC21 IC34 IC9 +5VSW +5V +5V Q4 D3 Q6 +24V LOW HIGH LMPON 5VSWON WDTOUT Scanner CPU INV-EXPO-360 Xenon lamp 6.4.3 Control ci...
Page 133 - General Description of CCD Control
e-STUDIO350/352/353/450/452/453 SCANNER 6 6 - 11 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved I = k x (S — K) (W — K) k : Coefficient S : Image data before correction K : Black data (stored in “black” memory) W : White data (stored in “white” memory) 6.5 General Description of CCD Contr...
Page 134 - Automatic Original Size Detection Circuit; ranged on the base frame of the scanner unit.; Principle of original size detection; Fig. 6-602 Original size detection circuit; Orgnal; CPU; Process of detection of original size
6 6 - 12 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 6.6 Automatic Original Size Detection Circuit This circuit detects the size of original (standard sizes only) using the reflection type photosensors ar - ranged on the base frame of the scanner...
Page 135 - ST
e-STUDIO350/352/353/450/452/453 SCANNER 6 6 - 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [A4 Series] [LT Series] Fig. 6-603 Sensor detection points ST LT LG LD ST–R LT–R APS-R APS-C APS-3 APS-2 A5 B5 A4 B4 A3 A5–R A4–R B5–R APS-R APS-C APS-3 APS- APS-2
Page 137 - sistor. It uses pulse modulation to detect an original.; About reflection type photosensor
e-STUDIO350/352/353/450/452/453 SCANNER 6 6 - 15 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved The reflection type photosensor is comprised of an infrared light emitting diode and a phototran - sistor. It uses pulse modulation to detect an original. The light emitting diode is driven by ...
Page 138 - Disassembly and Replacement; (2) Remove 2 screws and take off the fixing
6 6 - 16 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 6.7 Disassembly and Replacement [A] Original glass (1) Take off the right upper cover ( Chapter 2.5.1 [F]). (2) Remove 2 screws and take off the fixing bracket. [B] Lens cover (1) Take off the ...
Page 139 - where the side of the frame is cut out.
e-STUDIO350/352/353/450/452/453 SCANNER 6 6 - 17 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [D] Exposure lamp (1) Take off the original glass ( Chapter 6.7 [A]). (2) Take off the front upper cover ( Chapter 2.5.1 [E]). (3) Move the carriage-1 to the center position where the side of t...
Page 140 - When installing, fix the lens unit with
6 6 - 18 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Notes: 1. When installing, fix the lens unit with the screws while pushing the unit to the rear side. 2. Refer to “3.7.2 Lens Unit” in the Service Handbook for the adjustment method. 3. Never a...
Page 141 - (2) Disconnect the connector of the scan motor
e-STUDIO350/352/353/450/452/453 SCANNER 6 6 - 19 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [F] Scan motor (1) Take off the rear cover and upper rear cover ( Chapter 2.5.1 [C][G]). (2) Disconnect the connector of the scan motor and remove 1 spring. (3) Remove 3 screws and take off the...
Page 142 - in the figure at right, not to touch the mirror.
6 6 - 20 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (6) Rotate the carriage-1 in the direction shown in the figure at right, not to touch the mirror. Then take off the carriage-1. Note: When installing the carriage-1, fix the bracket temporarily...
Page 143 - (3) Remove the tension springs on both front
e-STUDIO350/352/353/450/452/453 SCANNER 6 6 - 21 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [J] Carriage wire / Carriage-2 (1) Take off the carriage-1 ( Chapter 6.7 [G]).(2) Install the wire holder jig to each pulley on front and rear sides, not to loosen the car-riage wire. Note: Ref...
Page 144 - sensor; (3) Release the latches of the sensor from the; the inside of the frame is dented shown in
6 6 - 22 e-STUDIO350/352/353/450/452/453 SCANNER © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 6-724 [L] Platen sensor / Carriage home position sensor (1) Take off the rear cover and upper rear cover ( Chapter 2.5.1 [C][G]). (2) Disconnect 1 connector from the platen sen- sor on the...
Page 145 - (3) Remove 6 screws and take off the SLG
e-STUDIO350/352/353/450/452/453 SCANNER 6 6 - 23 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 6-725 [M] SLG board (1) Take off the lens cover ( Chapter 6.7 [B]).(2) Disconnect 8 connectors from the SLG board. (3) Remove 6 screws and take off the SLG board. Note: The SLG board for e...
Page 147 - General Description; The followings are the boards used for image processing.
e-STUDIO350/352/353/450/452/453 IMAGE PROCESSING 7 7 - © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved High quality image processing, image memory editing, editing processing, gamma correction, gradation processing, scanner high quality image processing and external output system interface...
Page 151 - Functions of image processing circuit
e-STUDIO350/352/353/450/452/453 IMAGE PROCESSING 7 7 - 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Smaller No. of pixels Larger 7.3.2 Functions of image processing circuit The mage processng secton mounted on the SYS board realzes the followngs: (1) High quality image processing (a) ...
Page 152 - a x b
7 - 7 e-STUDIO350/352/353/450/452/453IMAGE PROCESSING © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 0 2 3 4 5 7 0 2 3 4 5 7 (b) Filtering This function is enabled by low-pass filter processing and high-pass filter processing. • Low-pass filter processing This processing removes image/ele...
Page 153 - other image signals are eliminated.
e-STUDIO350/352/353/450/452/453 IMAGE PROCESSING 7 7 - 7 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (2) Image memory editing This function performs editing such as enlargement/reduction, mirror imaging, etc., by using a line memory. Pixel data for one line in the primary scanning dire...
Page 154 - This function controls the output of the output interface.
7 - 7 e-STUDIO350/352/353/450/452/453IMAGE PROCESSING © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (4) Gamma correction This function corrects the input/output characteristics of the scanner/printer and adjusts the image signals so that the input/output characteristics would match with ...
Page 155 - • Smoothing processing; Functions of image processing circuit; This function controls the input of the input interface.
e-STUDIO350/352/353/450/452/453 IMAGE PROCESSING 7 7 - © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 7.4 LGC Board 7.4.1 Features (1) The image processing section on the LGC board is controlled by the CPU mounted on the LGC board. (2) The image processing functions of the LGC board reali...
Page 156 - clock generation section
7 - 0 7 e-STUDIO350/352/353/450/452/453IMAGE PROCESSING © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 7.5 Laser Driving PC Board (LDR board) Image signals processed on the LGC board are then processed by ASIC for writing control and Laser driving PC board. The signal is then laser contro...
Page 157 - LASER OPTICAL UNIT; General Description; justed at the factory.
e-STUDIO350/352/353/450/452/453 LASER OPTICAL UNIT 8 8 - 1 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 8. LASER OPTICAL UNIT 8.1 General Description The laser optical unit radiates the laser beam onto the photoconductive drum responding to the digital image signals transmitted from the...
Page 159 - • Do not approach tools near the path of the laser beam.
e-STUDIO350/352/353/450/452/453 LASER OPTICAL UNIT 8 8 - 3 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [CAUTION] • Do not approach tools near the path of the laser beam. • Take off your watches, rings, bracelets, etc. before handling the unit. 8.2 Structure (1) Laser emission Unit This...
Page 160 - One scan is performed on one plane of the polygonal-; This motor rotates the polygonal mirror in
8 - 4 8 e-STUDIO350/352/353/450/452/453 LASER OPTICAL UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (2) Polygonal motor unit This unit consists of the polygonal motor, polygonal mirror and polygonal mirror cover.a. Polygonal motor One scan is completed by completion of steps (A) to ...
Page 161 - uniform velocity, the laser beam reflected
e-STUDIO350/352/353/450/452/453 LASER OPTICAL UNIT 8 8 - 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (3) f θ lenses-1 and -2 These two lenses perform the following adjustment on the laser beam reflected by the polygonal mirror. a. Uniform-velocity scanning Since the polygonal mirror ...
Page 164 - Laser Optical Unit Cooling Fan; (1) Drive circuit of the polygonal motor; Signal; LGC board
8 - 8 8 e-STUDIO350/352/353/450/452/453 LASER OPTICAL UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 8.4 Laser Optical Unit Cooling Fan The laser optical unit cooling fan is a propeller fan (80 x 80 mm). It cools down the polygonal motor and the drive PC board. 8.5 Polygonal Motor (1...
Page 165 - Disassembly and Replacement; (4) Disconnect the joint connector between the
e-STUDIO350/352/353/450/452/453 LASER OPTICAL UNIT 8 8 - 9 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 8-601 8.6 Disassembly and Replacement [A] Laser optical unit (1) Take off the receiving tray ( Chapter 2.5.1 [H]). (2) Take off the front left cover ( Chapter 2.5.1 [B]). (3) Dis...
Page 166 - Do not leave fingerprints or stain on the
8 - 10 8 e-STUDIO350/352/353/450/452/453 LASER OPTICAL UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (7) Remove 3 screws with spring. Lift up the laser optical unit, avoiding contact with the laser unit fan. Note: 1. Do not leave fingerprints or stain on the slit glass. 2. Laser opt...
Page 167 - Name; PAPER FEEDING SYSTEM; Sectional view of paper feeding section (Front side)
e-STUDIO350/352/353/450/452/453 PAPER FEEDING SYSTEM 9 9 - 1 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved No. 131415161718192021222324 No. 123456789 10 11 12 Name Upper drawer separation rollerUpper drawer feed rollerUpper drawer pickup rollerLower drawer separation rollerLower drawer f...
Page 172 - below in the figure at right) at the same timing as
9 - 6 9 e-STUDIO350/352/353/450/452/453 PAPER FEEDING SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 9.2.3 Separation of paper The separation roller in this equipment works to separate the sheets of paper being fed. The sep-aration roller section consists of the feed roller, separa...
Page 173 - The bypass paper sensor detects paper in the bypass tray.
e-STUDIO350/352/353/450/452/453 PAPER FEEDING SYSTEM 9 9 - 7 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 9.2.4 General operation[A] From power-ON to ready status (1) When the equipment is turned ON, the tray-up motor starts to rotate forward and the upper drawer tray starts to rise. Wh...
Page 175 - IN
e-STUDIO350/352/353/450/452/453 PAPER FEEDING SYSTEM 9 9 - 9 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 9.3 Drive Circuit of Tray-up Motor The tray-up motor (T-UP-MTR) is driven by the LGC board IC1 (LGC: TA8428). The block diagram of TA8428 is shown below. IN1 and IN2 are input termi...
Page 176 - Disassembly and Replacement; (3) Remove 2 screws and take off the right rear
9 - 10 9 e-STUDIO350/352/353/450/452/453 PAPER FEEDING SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 9-401 Fig. 9-402 Fig. 9-403 Fig. 9-404 9.4 Disassembly and Replacement [A] Bypass unit(A-1) Bypass unit (1) Remove the upper/lower drawer.(2) Remove 2 screws and take off the ...
Page 186 - Registration sensor, Upper drawer feed sensor; (8) Release the latch from the shaft and take off
9 - 20 9 e-STUDIO350/352/353/450/452/453 PAPER FEEDING SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 9-443 Fig. 9-442 Fig. 9-441 Fig. 9-440 [C] Registration sensor, Upper drawer feed sensor (1) Take off the front cover ( Chapter 2.5.1 [A]).(2) Take off the front right cover (...
Page 188 - (9) Disconnect 1 connector of the registration
9 - 22 9 e-STUDIO350/352/353/450/452/453 PAPER FEEDING SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 9-449 Fig. 9-448 (9) Disconnect 1 connector of the registration clutch. (10) Loosen 1 setscrew and take off the registra- tion clutch. Note: Match the protruding portion of th...
Page 191 - lease 6 latches to take off the cover.
e-STUDIO350/352/353/450/452/453 PAPER FEEDING SYSTEM 9 9 - 25 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 9-458 (9) Place the unit with its coupling up and re- lease 6 latches to take off the cover. Note: Be careful in taking off the cover because there is a spring in the tray dri...
Page 197 - General Description; through the gears to the drum flange gear.
e-STUDIO350/352/353/450/452/453 DRIVE SYSTEM 10 10 - 1 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 10. DRIVE SYSTEM 10.1 General Description The drive system drives the drum, developer unit, cleaner unit, fuser unit, transport roller, feed roller (upper/lower drawer and bypass unit) an...
Page 198 - The main motor
10 - 2 10 e-STUDIO350/352/353/450/452/453 DRIVE SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (MAMCK) MAMPL MAMCW MAMBKMAMON Wavecorrecton Phasecomparator Speedcomparator Lockprotectoncrcut Rotorpostondetecton Voltagedetectoncrcut Rotatoncontrol Exctatonphaseswtchngsecton Man moto...
Page 199 - This is a signal to stop the main motor.
e-STUDIO350/352/353/450/452/453 DRIVE SYSTEM 10 10 - 3 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 10.3.2 Control signals (1) MAMCW signal (LGC → MTR: Input) This is a signal to switch the direction of the main motor rotation. When this signal becomes “L” level, the main motor rotates ...
Page 200 - Disassembly and Replacement; main motor with the board.
10 - 4 10 e-STUDIO350/352/353/450/452/453 DRIVE SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 10.4 Disassembly and Replacement [A] Main motor (1) Take off the rear cover ( Chapter 2.5.1 [H]). (2) Take off the SYS board case ( Chapter 9.4 [D]). (3) Take off the developer unit cooli...
Page 203 - DRUM RELATED SECTION; Drum thermstor
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 11. DRUM RELATED SECTION 11.1 Configuration This chapter explains about the area around the drum, drum itself, image processing, their parts and control circuits.This area mainly consi...
Page 204 - and scrapes off the residual toner from the drum surface.
- 2 11 e-STUDIO350/352/353/450/452/453DRUM RELATED SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 11.2 Functions (1) Drum The drum is made of a cylindrical aluminum base coated with thin film of organic photoconductive substance. The photoconductive object becomes insulative (the ...
Page 205 - the full detection position in the toner bag.
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - 3 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (4) Transfer / Separation charger (a) Transfer guide This guide leads the paper transported from the feeding unit to the transfer section. Positive (+) bias voltage is applied to the...
Page 207 - Output Control Circuits of High-Voltage Transformer; guide bias and developer bias.
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 11.3 Output Control Circuits of High-Voltage Transformer 11.3.1 Overview • Generate the output control voltage Vc of the main charger, transfer/separation charger, transfer guide bia...
Page 208 - ASIC; Separaton charger; conveter
- 11 e-STUDIO350/352/353/450/452/453DRUM RELATED SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved CN30-B2 HVSAVCN30-B HVTVRCN30-B7 HVDVRCN30-B5 HVMVR ASIC GA IC3 IC2 Separaton charger Transfer charger Developer bas Man charger D/A conveter IC32 NVRAM Fig. 11-302
Page 209 - Drum Temperature Detection Circuit; (2) Configuration of the drum temperature detection circuit; Drum temperature detection circuit
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - 7 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 11.4 Drum Temperature Detection Circuit (1) Purpose of the drum temperature detection circuit The amount of charge on the drum surface varies greatly with the surface temperature of ...
Page 210 - Temperature/humidity control circuit is configured as follows:
- 11 e-STUDIO350/352/353/450/452/453DRUM RELATED SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 11.5 Temperature/Humidity Sensor 11.5.1 General description This sensor measures the temperature and humidity inside the equipment. 11.5.2 Construction Temperature/humidity control circ...
Page 211 - Disassembly and Replacement; as shown in the figure.
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 11.6 Disassembly and Replacement [A] Cleaner unit (1) Open the front cover, take off the toner bag and front cover ( Chapter 2.5.1 [A]). (2) Take off the developer unit ( Chapter 12.5 ...
Page 212 - (1) Release the charger wire cleaner shaft from; (1) Take off each terminal cover of the front and
- 0 11 e-STUDIO350/352/353/450/452/453DRUM RELATED SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (2) Remove the damper, terminal, spring and wire. (B-4) Charger wire cleaning pad (1) Release the charger wire cleaner shaft from the hooks of the charger wire cleaning pads. (2) Remo...
Page 213 - (3) Push the lever down to the left and release
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (3) Push the lever down to the left and release the lock. Then pull out the drum shaft. (4) Lift up the drum and take it off. [C] Drum (1) Pull out the cleaner unit and take off the ma...
Page 214 - in the figure while pushing the blade holder.
- 2 11 e-STUDIO350/352/353/450/452/453DRUM RELATED SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 11-614 [D] Cleaner (D-1) Cleaning blade (1) Take off the cleaner unit. Then take off the main charger and drum ( Chapter 11.6 [A] (B-1) [C]). (2) Remove 2 screws and cleaning bla...
Page 217 - (3) Disconnect 1 connector and remove 1
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [H] Toner bag full detection sensor(H-1) Toner bag full detection sensor-1 (1) Take off the rear cover ( Chapter 2.5.1 [C]). (2) Take off the registration clutch and gear unit ( Chap...
Page 218 - ness from 1 harness clamp.
- 11 e-STUDIO350/352/353/450/452/453DRUM RELATED SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [I] Developer unit cooling fan(I-1) Developer unit cooling fan-2 (1) Take off the rear cover ( Chapter 2.5.1 [C]). (2) Take off the SYS board with the whole case ( Chapter 2.5.2 [C]). (...
Page 219 - (4) Disconnect 1 connector and take off the
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - 7 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (4) Disconnect 1 connector and take off the developer unit cooling fan-1. Note: When installing, pay attention to the direction of the wind from the fan. Fig. 11-631 (I-2) Developer ...
Page 220 - (2) Take off the receiving tray and tray back
- 11 e-STUDIO350/352/353/450/452/453DRUM RELATED SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (8) Remove 3 screws on the rear side. (9) Remove 3 screws on the front side and release the harnesses from 3 harness clamps. (10) Take off the bracket of the toner cartridge. Fig. 11-63...
Page 221 - (11) Remove 1 screw and stand the developer
e-STUDIO350/352/353/450/452/453 DRUM RELATED SECTION 11 - © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (11) Remove 1 screw and stand the developer unit guide aside. Fig. 11-637 (12) Remove 2 screws and take off the middle fan duct. Fig. 11-638 (13) Disconnect 1 connector and remove 2 sc...
Page 223 - DEVELOPMENT SYSTEM; Toner cartridge drive unit / Toner cartridge detection switch
e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM 12 12 - 1 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 12. DEVELOPMENT SYSTEM 12.1 Configuration Development system consists of the following unit, components and control circuits. Toner cartridge drive unit / Toner cartridge detection ...
Page 224 - (1) Toner cartridge drive unit / Toner cartridge detection switch
12 - 2 12 e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 12.2 Functions (1) Toner cartridge drive unit / Toner cartridge detection switch The toner cartridge is filled with toner. The toner motor drives the cartridge to supply the toner t...
Page 225 - Drive Circuit of Toner Motor; Circuit diagram of the toner motor; MAIN; Toner motor
e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM 12 12 - 3 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 12.3 Drive Circuit of Toner Motor The toner motor (brush motor) is a motor to supply toner from the toner cartridge to the developer unit. The toner motor is driven by the transisto...
Page 226 - ered to a certain level.
12 - 4 12 e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved IC52 CPU IC38 NVRAM IC54 ASIC GA IC14 North bridge IC15 CPU IC21 FRAM IC23 ASIC GA IC38 ASIC GA IC51 TA8428 SYS board e-STUDIO352/353/452/453 e-STUDIO350/450 Arithmetic and control ...
Page 229 - Adjustment using the drum thermistor; Variation in the output (V; Feedback control by drum thermistor in setting mode (08); Code; Toner output control by drum thermistor
e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM 12 12 - 7 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 12.4.3 Adjustment using the temperature / humidity sensor Variation in the output (V ATS ) of the auto-toner sensor due to humidity is corrected using the tempera- ture / humidity s...
Page 230 - Disassembly and Replacement; (1) Open the front cover and remove the toner
12 - 8 12 e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 12-501 Fig. 12-502 Fig. 12-503 Fig. 12-504 12.5 Disassembly and Replacement [A] Developer unit (1) Open the front cover and remove the toner bag. (2) Disconnect 1 connector and...
Page 231 - (2) Incline the developer unit and discharge the
e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM 12 12 - 9 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (2) Incline the developer unit and discharge the developer material from the part denoted with the arrow. (B-2) Filling developer unit with developer material (1) Install the develo...
Page 232 - (3) Remove 3 screws and take off the front
12 - 10 12 e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (3) Remove 3 screws and take off the front cover of the developer unit. (4) Disconnect 2 connectors. (5) Remove 1 screw and take off the polarity adjustment lever. (6) Remove 1 E-r...
Page 233 - (2) Disconnect 1 connector on the bottom of the
e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM 12 12 - 11 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 12-513 Fig. 12-514 Fig. 12-515 [D] Auto-toner sensor (1) Discharge the developer material ( Chapter 12.5 (B-1)). (2) Disconnect 1 connector on the bottom of the developer unit...
Page 234 - off the developer sleeve unit.
12 - 12 12 e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 12-516 Fig. 12-517 Fig. 12-518 Fig. 12-519 [F] Developer sleeve (1) Discharge the developer material ( Chapter 12.5 (B-1)). (2) Take off the guide rollers (on both front and r...
Page 236 - (5) Remove 1 bearing on the rear side and take
12 - 14 12 e-STUDIO350/352/353/450/452/453 DEVELOPMENT SYSTEM © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (5) Remove 1 bearing on the rear side and take off the mixer-2. *Replacement of Oil Seal ( Page 12-15) Fig. 12-524 [I] Toner cartridge drive unit(I-1) Toner cartridge drive unit (1...
Page 239 - General Description
13 - 1 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13. FUSER UNIT / PAPER EXIT SECTION 13.1 General Description Toner is fused by applying heat and pressure on the transferred image on the paper which is transport-ed to...
Page 240 - The toner is fused effectively by the pressure of this roller.
13 - 2 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.3 Functions (1) IH coil (IH: Induction Heating) The IH coil is inside the fuser roller and applies the induction heating to the fuser roller. The coil is fixed at a ...
Page 242 - Heater Control Circuit; [ Block dagram of fuser unt and IH control crcut
13 - 4 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.4 Heater Control Circuit 13.4.1 Configuration Fig. 13-401 N L CPU Te mperature control crcut Upper lmt crcut LGC IH 5V SW 5V SW Man thermstor Col Fuser roller Col ou...
Page 243 - [Block dagram of hgh frequency power supply]
13 - 5 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.4.2 Heating principle of IH Heater The magnetic field is generated by applying a high frequency current to the IH coil inside the fuser roller, which then generates ...
Page 244 - Definition
13 - 6 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.4.3 IH control circuit interface The IH control circuit uses a photocoupler as an insulation against the secondary circuit.The interface signals are as follows. (*No...
Page 245 - Relation between system configuration and IH output; System configuration
13 - 7 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.4.4 Relation between system configuration and IH output e-STUDIO350/450 * RADF: Reversing Automatic Document Feeder, FIN: Finisher, HPU: Hole Punch Unit, LCF: Large ...
Page 246 - (2) Control of the surface temperature of the fuser belt; Surface temperatures of fuser belt [
13 - 8 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.4.5 Temperature detection section To maintain the stable temperature of the fuser belt, the thermistor detects the temperature and con-trols ON/OFF of the IH coil. O...
Page 247 - Administrator setting procedure:
13 - 9 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (4) Temperature control at Energy Saving Mode This equipment has the following two types of temperature control for saving energy and returns to ready status to perform...
Page 248 - Reference; counter “1” or below, the counter is cleared to “0”.
13 - 10 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Reference *The thermistor/heater status counter never has values other than 0-18. • If the IH coil does not turn ON and the service call [C410] is displayed immediatel...
Page 251 - Abnormality in the IH control circuit
13 - 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.4.6 Abnormality in the IH control circuit When an abnormality is detected in the IH control circuit, it stops the power supply to the IH coil and displays a message...
Page 252 - IH power voltage abnormality:
13 - 14 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (2) IH error (2) IH error Initial abnormality: CPU (IH) abnormality is not cleared. IH power voltage abnormality: The input voltage becomes above 20% (approx.) or belo...
Page 253 - Control Circuit of Exit Motor; Ext motor; Exit Motor Drive
13 - 15 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.5 Control Circuit of Exit Motor The following is the control circuit of the exit motor.The exit motor is a stepping motor. The motor is turned ON/OFF and the direct...
Page 254 - Disassembly and Replacement; (2) Open the jam access cover and fuser unit
13 - 16 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 13.7 Disassembly and Replacement [A] Fuser unit (1) Take off the IH terminal cover ( Chapter 2.5.1 [L]). (2) Open the jam access cover and fuser unit cover. Disconnect...
Page 255 - guide and take off 8 exit fingers.
13 - 17 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 13-705 Fig. 13-706 Fig. 13-707 Fig. 13-708 (4) Release 2 latches of the fan cover and take off the fan cover. (5) Release the harness from the guide of the cover....
Page 256 - [E] Separation finger for pressure roller; fingers for pressure roller.; [F] Separation finger for fuser roller; fingers for fuser roller.
13 - 18 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 13-709 Fig. 13-710 Fig. 13-711 Fig. 13-712 [E] Separation finger for pressure roller (1) Take off the fuser unit ( Chapter 13.7 [A]).(2) Open the fuser unit cover...
Page 260 - make sure to clean the separation fingers
13 - 22 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 13-725 (7) Take out the fuser roller with the bushing from the front side. (8) Remove C-ring and bushing from the fuser roller. Fig. 13-726 Notes: When reassembli...
Page 261 - Make sure to fix the thermostat, and then
13 - 23 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 13-729 (4) Remove 2 screws and take off the thermo- stat from the holder. Fig. 13-730 Fig. 13-731 Notes: When installing, pay attention to the follow-ings. 1. Mak...
Page 262 - (1) Take off the IH control PC board with the
13 - 24 13 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [N] IH board cooling fan (1) Take off the IH control PC board with the whole bracket ( Chapter 13.7 (M-2)). (2) Remove 1 screw and take off the fan cover. Fig. 13-733 ...
Page 263 - tor and take off the exit motor.; (3) Remove 1 connector and take off the IH
13 - 25 e-STUDIO350/352/353/450/452/453 FUSER UNIT / PAPER EXIT SECTION 13 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 13-737 [P] Exit roller (1) Take off the fuser unit ( Chapter 13.7 [A]).(2) Open the fuser unit cover and transport guide. (3) Remove 1 spring. Then remove E-ring ...
Page 265 - General Description
4 - 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 14. AUTOMATIC DUPLEXING UNIT (ADU) 14.1 General Description The Automatic Duplexing Unit (ADU) is a unit to automatically print on both sides of paper. A switch-back method using...
Page 266 - Description of Operations
4 - 2 14 e-STUDIO350/352/353/450/452/453AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 14.2 Description of Operations The back side printing (recording data of the back side of paper) is performed first by selecting duplex printing mode and pressing the [START] bu...
Page 267 - performed for one sheet at a tme as shown below.
4 - 3 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (a) Single-paper circulation Wth the paper larger than A4/LT sze, duplex prntng (back-sde prntng → front-sde prntng) s performed for one sheet at a tme as shown below. Fig. 14-...
Page 268 - Back sde of the st sheet
4 - 4 14 e-STUDIO350/352/353/450/452/453AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved ( ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( ) ( 7 ) ( ) 2 2 2 2 4 4 4 4 2 2 2 4 3 3 (b) Double-paper alternateness circulation With A4/LT size paper or smaller, duplex printing is performed f...
Page 269 - Back sde of the 4th
4 - 5 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Fig. 14-203 (c) Multiple-paper circulation With more than one sheet of A4/LT size paper or smaller, duplex printing is performed as shown below in a following order: (In case o...
Page 270 - Timing chart for duplex copying from upper drawer (A4, 3 sheets); ADU
4 - 14 e-STUDIO350/352/353/450/452/453AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Timing chart for duplex copying from upper drawer (A4, 3 sheets) Ext sensor Regstraton sensor Regstraton clutch ADU entrance sensor ADU clutch ADU e xt sensor ADU motor ADU Equpme...
Page 271 - Timing chart for duplex copying from upper drawer (A3, 1 sheet)
4 - 7 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Timing chart for duplex copying from upper drawer (A3, 1 sheet) 30 525 530 235 530 355 755 775 0 255 555 7735 50 250 520 720 4505 55 530 7230 420 7045 4345 30 Ext sensor Regstr...
Page 273 - Yes
4 - 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 14.4 Flow Chart Fig. 14-401 Yes Yes A ADU transport jam (E520) ADU clutch ON No No Yes No ADU transport jam (E50) ADU entrance sensor ON? ADU motor ON Specfed tme has passed Spec...
Page 275 - Disassembly and Replacement
4 - 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 14.5 Disassembly and Replacement [A] ADU (1) Take off the upper and lower drawers. Fig. 14-503 (3) Remove 2 screws and take off the right rear hinge cover. Fig. 14-502 (2) Remove...
Page 277 - (2) Remove 4 screws and take off the ADU
4 - 3 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [E] ADU cover (1) Take off the ADU, ADU inside rear cover, ADU opening / closing switch, and paper guide ( Chapter 14.5 [A] to 14.5 [D]). (2) Remove 4 screws and take off the A...
Page 279 - tion shown in the figure when assembling.
4 - 5 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved [J] ADU motor (1) Take off the ADU, ADU inside rear cover , ADU opening / closing switch, paper guide, and ADU cover ( Chapter 14.5 [A] to 14.5 [E]). (2) Disconnect 1 connector...
Page 281 - (4) Remove the screw and release the rear
4 - 7 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (5) Remove 4 screws and take off the bracket. (7) Remove the clip on the front side.(8) Remove 2 bushings and take off the upper transport roller. (6) Remove the clip, pulley, ...
Page 282 - (5) Remove 2 bushings and take off the middle
4 - 14 e-STUDIO350/352/353/450/452/453AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (4) Remove the clip on the rear side. (3) Remove the clip, pulley, pin and belt on the front side. (5) Remove 2 bushings and take off the middle transport roller. Fig. 14-530 Fig....
Page 283 - (5) Remove 2 bushing and take off the lower
4 - 14 e-STUDIO350/352/353/450/452/453 AUTOMATIC DUPLEXING UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved (4) Remove the clip, pulley, belt and pin on the front side. Fig. 14-534 Pin Clip Belt [O] Lower transport roller (1) Take off the ADU, ADU inside rear cover, ADU opening / closi...
Page 285 - POWER SUPPLY UNIT; Operation of DC Output Circuits
e-STUDIO350/352/353/450/452/453 POWER SUPPLY UNIT 15 15 - 1 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 15. POWER SUPPLY UNIT 15.1 Construction The power supply unit consists of an AC filter and insulation type DC output circuits.(1) AC filter Eliminates noise from the outside and prev...
Page 286 - Output Channel; Output to the finisher
15 - 2 15 e-STUDIO350/352/353/450/452/453 POWER SUPPLY UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 15.3 Output Channel The followings are five output channels which are not linked with the door switch. (1) +3.3V +3.3VA : CN412 Pins 13, 14, 15 and 16 Output to the SYS board +3.3VB ...
Page 288 - part using the following table.
15 - 4 15 e-STUDIO350/352/353/450/452/453 POWER SUPPLY UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved Voltage +24VD1 +24VD2 +24VD3+24VD4 +24VD5 Board/Unit LGC Power supply PFP/LCF LGC RADF SLG Finisher Part Polygonal motorADU motorTray-up motorLaser unit cooling fanUpper drawer feed ...
Page 289 - Configuration of Power Supply Unit
e-STUDIO350/352/353/450/452/453 POWER SUPPLY UNIT 15 15 - 5 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 15.5 Configuration of Power Supply Unit IH A C MAIN Switching po wer supply A C DOOR A C IN Liv e Main s witch Door s witch Noise filter Noise filter Neutral Break er FIL board FUS b...
Page 290 - AC input; Sequence of Power Supply
15 - 6 15 e-STUDIO350/352/353/450/452/453 POWER SUPPLY UNIT © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved OFF ON AC input 0ms to 200ms PWR-DN 700ms or lower 20ms or higher Lower limit of each rated voltage or higher +4.95V (R.V. +5.1V) +11.4V (R.V. +12V) -11.4V (R.V. -12V) -21.6V (R.V.+2...
Page 291 - AC Wire Harness
e-STUDIO350/352/353/450/452/453 POWER SUPPLY UNIT 15 15 - 7 © 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved 15.7 AC Wire Harness 1 2 1 2 1 2 1 2 RY RY SCANNER THERMO-SCN-DH 1 1 2 2 SCN-L-DH SCN-R-DH J641 J644 +5.1VB CN493 CN494 CN495 SG +5.1VB SG +5.1VB AC(N ) AC(L ) AC(N ) AC(L ) AC(N ) A...
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