Toshiba 453 - Manual

Toshiba 453

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Table of Contents:

  • Page 2 – Trademarks; ©2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved
  • Page 3 – GENERAL PRECAUTIONS REGARDING THE INSTALLATION; positions as indicated below.; Service of Machines; damp heater and their periphery.
  • Page 4 – Main Service Parts for Safety
  • Page 5 – CONTENTS
  • Page 8 – Relation between system configuration and IH output
  • Page 9 – Size specified Size not specified
  • Page 11 – Toner cartridge replacing method
  • Page 12 – See the figure below
  • Page 16 – printing an XPS file.
  • Page 17 – Drum
  • Page 21 – OUTLINE OF THE MACHINE
  • Page 22 – Reflector
  • Page 25 – Electric Parts Layout
  • Page 31 – Front side
  • Page 35 – Symbols and Functions of Various Components
  • Page 41 – Noise filter
  • Page 42 – General Description
  • Page 44 – signal and outputs it to the SLG board.
  • Page 47 – Installation and Replacement of
  • Page 48 – (1) Remove 7 screws and take off the rear
  • Page 49 – (1) Remove 2 screws and take off the left upper
  • Page 50 – (1) Remove 2 screws and take off the receiving
  • Page 51 – (1) Remove 2 screws and take off the right rear
  • Page 53 – lock and 1 joint connector fixed to the case.; (3) Disconnect 14 connectors and 1 connector
  • Page 55 – ness from harness clamps.
  • Page 57 – (5) Remove 5 screws and take off the SYS
  • Page 58 – (2) Take off the hard disk with the whole SYS
  • Page 59 – (3) Remove 8 screws and take off the SYS
  • Page 60 – and 1 washer. Then take off the noise filter.; (3) Disconnect 3 connectors while the switching
  • Page 61 – (1) Turn OFF the power and unplug the power
  • Page 62 – (4) Remove 2 screws and take off 2 fixing; (7) Slide the RADF backward and take off by
  • Page 63 – (5) Take off the lower drawer of the equipment
  • Page 64 – (7) Remove 4 screws and take off 2 fixing
  • Page 67 – (4) Remove 2 screws and take off the cover on
  • Page 68 – (6) Remove 1 screw and take off the cover of
  • Page 69 – Be careful not to fell the finisher when mov
  • Page 71 – (4) Take off the cover of the punch unit lower
  • Page 74 – Take off the bridge unit toward the front.
  • Page 77 – Take off the offset tray toward the front.
  • Page 78 – (8) Slide the RADF backward and take it off by
  • Page 79 – When moving the finisher unit by itself, be
  • Page 80 – (3) Release the Latches and take off the front
  • Page 83 – General Description of Copying Process
  • Page 84 – Details of Copying Process; [Formation of electrostatic latent image]
  • Page 88 – Additional Explanation; and coverage of originals.
  • Page 90 – the paper and fixing it firmly on the paper.; Paper position against transfer point
  • Page 91 – Discharge LED
  • Page 92 – Process
  • Page 93 – GENERAL OPERATION; Overview of Operation; • Pre-running operation stops after five seconds.
  • Page 94 – • Registration clutch ON after a certain period of time
  • Page 98 – Detection of Abnormality; A) Abnormality cleared without turning OFF the door switch
  • Page 100 – Tray-up sensor is turned ON in a fixed period of time.
  • Page 101 – * Registration sensor is not turned ON in a fixed period of time (E120); Registration clutch
  • Page 104 – Immediately after the power is turned ON
  • Page 109 – Control Panel and Display Panel
  • Page 110 – Items Shown on the Display Panel
  • Page 111 – finished
  • Page 112 – specified for duplex copying is set
  • Page 116 – Relation between the Equipment State and Operator’s Operation
  • Page 117 – Description of Operation
  • Page 119 – IC; Transistor is turned ON when the LDON 0 signal becomes “L” level.; Current; Conditions to turn ON the LED; LOAD
  • Page 120 – Disassembly and Replacement; When taking off the control panel, check; Stopper; (4) Lower the control panel and remove 4
  • Page 121 – Cover; (7) Remove 5 screws and take off the hinge; Hinge bracket
  • Page 122 – (12) Remove 16 screws and take off the KEY; KEY board
  • Page 124 – the scan motor and scans an original on the glass.
  • Page 126 – Description of Operation; position during scanning operation.; Wire pulley
  • Page 128 – * Internal circuit of the motor driver works when the first
  • Page 130 – Control of Exposure Lamp; plate
  • Page 132 – Control circuit for the exposure lamp; SLG board; OFF
  • Page 133 – General Description of CCD Control
  • 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
  • Page 135 – ST
  • Page 137 – sistor. It uses pulse modulation to detect an original.; About reflection type photosensor
  • Page 138 – Disassembly and Replacement; (2) Remove 2 screws and take off the fixing
  • Page 139 – where the side of the frame is cut out.
  • Page 140 – When installing, fix the lens unit with
  • Page 141 – (2) Disconnect the connector of the scan motor
  • Page 142 – in the figure at right, not to touch the mirror.
  • Page 143 – (3) Remove the tension springs on both front
  • Page 144 – sensor; (3) Release the latches of the sensor from the; the inside of the frame is dented shown in
  • Page 145 – (3) Remove 6 screws and take off the SLG
  • Page 147 – General Description; The followings are the boards used for image processing.
  • Page 151 – Functions of image processing circuit
  • Page 152 – a x b
  • Page 153 – other image signals are eliminated.
  • Page 154 – This function controls the output of the output interface.
  • Page 155 – • Smoothing processing; Functions of image processing circuit; This function controls the input of the input interface.
  • Page 156 – clock generation section
  • Page 157 – LASER OPTICAL UNIT; General Description; justed at the factory.
  • Page 159 – • Do not approach tools near the path of the laser beam.
  • Page 160 – One scan is performed on one plane of the polygonal-; This motor rotates the polygonal mirror in
  • Page 161 – uniform velocity, the laser beam reflected
  • Page 164 – Laser Optical Unit Cooling Fan; (1) Drive circuit of the polygonal motor; Signal; LGC board
  • Page 165 – Disassembly and Replacement; (4) Disconnect the joint connector between the
  • Page 166 – Do not leave fingerprints or stain on the
  • Page 167 – Name; PAPER FEEDING SYSTEM; Sectional view of paper feeding section (Front side)
  • Page 172 – below in the figure at right) at the same timing as
  • Page 173 – The bypass paper sensor detects paper in the bypass tray.
  • Page 175 – IN
  • Page 176 – Disassembly and Replacement; (3) Remove 2 screws and take off the right rear
  • Page 186 – Registration sensor, Upper drawer feed sensor; (8) Release the latch from the shaft and take off
  • Page 188 – (9) Disconnect 1 connector of the registration
  • Page 191 – lease 6 latches to take off the cover.
  • Page 197 – General Description; through the gears to the drum flange gear.
  • Page 198 – The main motor
  • Page 199 – This is a signal to stop the main motor.
  • Page 200 – Disassembly and Replacement; main motor with the board.
  • Page 203 – DRUM RELATED SECTION; Drum thermstor
  • Page 204 – and scrapes off the residual toner from the drum surface.
  • Page 205 – the full detection position in the toner bag.
  • Page 207 – Output Control Circuits of High-Voltage Transformer; guide bias and developer bias.
  • Page 208 – ASIC; Separaton charger; conveter
  • Page 209 – Drum Temperature Detection Circuit; (2) Configuration of the drum temperature detection circuit; Drum temperature detection circuit
  • Page 210 – Temperature/humidity control circuit is configured as follows:
  • Page 211 – Disassembly and Replacement; as shown in the figure.
  • Page 212 – (1) Release the charger wire cleaner shaft from; (1) Take off each terminal cover of the front and
  • Page 213 – (3) Push the lever down to the left and release
  • Page 214 – in the figure while pushing the blade holder.
  • Page 217 – (3) Disconnect 1 connector and remove 1
  • Page 218 – ness from 1 harness clamp.
  • Page 219 – (4) Disconnect 1 connector and take off the
  • Page 220 – (2) Take off the receiving tray and tray back
  • Page 221 – (11) Remove 1 screw and stand the developer
  • Page 223 – DEVELOPMENT SYSTEM; Toner cartridge drive unit / Toner cartridge detection switch
  • Page 224 – (1) Toner cartridge drive unit / Toner cartridge detection switch
  • Page 225 – Drive Circuit of Toner Motor; Circuit diagram of the toner motor; MAIN; Toner motor
  • Page 226 – ered to a certain level.
  • 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
  • Page 230 – Disassembly and Replacement; (1) Open the front cover and remove the toner
  • Page 231 – (2) Incline the developer unit and discharge the
  • Page 232 – (3) Remove 3 screws and take off the front
  • Page 233 – (2) Disconnect 1 connector on the bottom of the
  • Page 234 – off the developer sleeve unit.
  • Page 236 – (5) Remove 1 bearing on the rear side and take
  • Page 239 – General Description
  • Page 240 – The toner is fused effectively by the pressure of this roller.
  • Page 242 – Heater Control Circuit; [ Block dagram of fuser unt and IH control crcut
  • Page 243 – [Block dagram of hgh frequency power supply]
  • Page 244 – Definition
  • Page 245 – Relation between system configuration and IH output; System configuration
  • Page 246 – (2) Control of the surface temperature of the fuser belt; Surface temperatures of fuser belt [
  • Page 247 – Administrator setting procedure:
  • Page 248 – Reference; counter “1” or below, the counter is cleared to “0”.
  • Page 251 – Abnormality in the IH control circuit
  • Page 252 – IH power voltage abnormality:
  • Page 253 – Control Circuit of Exit Motor; Ext motor; Exit Motor Drive
  • Page 254 – Disassembly and Replacement; (2) Open the jam access cover and fuser unit
  • Page 255 – guide and take off 8 exit fingers.
  • Page 256 – [E] Separation finger for pressure roller; fingers for pressure roller.; [F] Separation finger for fuser roller; fingers for fuser roller.
  • Page 260 – make sure to clean the separation fingers
  • Page 261 – Make sure to fix the thermostat, and then
  • Page 262 – (1) Take off the IH control PC board with the
  • Page 263 – tor and take off the exit motor.; (3) Remove 1 connector and take off the IH
  • Page 265 – General Description
  • Page 266 – Description of Operations
  • Page 267 – performed for one sheet at a tme as shown below.
  • Page 268 – Back sde of the st sheet
  • Page 269 – Back sde of the 4th
  • Page 270 – Timing chart for duplex copying from upper drawer (A4, 3 sheets); ADU
  • Page 271 – Timing chart for duplex copying from upper drawer (A3, 1 sheet)
  • Page 273 – Yes
  • Page 275 – Disassembly and Replacement
  • Page 277 – (2) Remove 4 screws and take off the ADU
  • Page 279 – tion shown in the figure when assembling.
  • Page 281 – (4) Remove the screw and release the rear
  • Page 282 – (5) Remove 2 bushings and take off the middle
  • Page 283 – (5) Remove 2 bushing and take off the lower
  • Page 285 – POWER SUPPLY UNIT; Operation of DC Output Circuits
  • Page 286 – Output Channel; Output to the finisher
  • Page 288 – part using the following table.
  • Page 289 – Configuration of Power Supply Unit
  • Page 290 – AC input; Sequence of Power Supply
  • Page 291 – AC Wire Harness
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SERVICE MANUAL

MULTIFUNCTIONAL DIGITAL SYSTEMS

e-STUDIO350/450

e-STUDIO352/452

e-STUDIO353/453

Model: DP-3520/3540/4520/4540
Publish Date: November 2003
File No. SME030028I0
R03092140702-TTEC
Ver09_2008-04

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Summary

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...

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