Page 2 - NOTICE; SEIKO EPSON’s express written permission is forbidden.; @Copyright 1994 by SEIKO EPSON CORPORATION Nagano, Japan
NOTICE All rights reserved. Reproduction of any part of this manual in any form whatsoever without SEIKO EPSON’s express written permission is forbidden. The contents of this manual are subjects to change without notice. All efforts have been made to ensure the accuracy of the contents of this manua...
Page 3 - PRECAUTIONS; DANGER
PRECAUTIONS Precautiomry notations throughout the text are categorized relative to 1) personal injury and 2) damage to equipment. DANGER Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing procedures preceded by DA...
Page 4 - SAFETY INFORMATION
SAFETY INFORMATION This printer is a page printer which operates by means of a laser. There is no possibility of danger from the laser, provided the printer is operated according to the instructions in this manual provided. Since radiation emitted by the laser is completely confined within protectiv...
Page 5 - Safety Labels
k u i n 1 Orn annat i kan som for laser 1. For Norway ADVARSEL Dersom annen enn i ins kan brukeren for som overskrider for laser 1. Dette er en laser. effeckt er 5.7 x W er 7S0 nm. Safety Labels [Label on rear printer case] A laser safety labels is attached on the outside of the printer shown below....
Page 6 - LASER
For Europe LASER 1 NACH 825 CLASS 1 LASER PRODUCT TO 825 1 LASER 825 [Label inside printer] The following laser safety label will be attached inside the printer as shown below. For Denmark, Finland, Sweden, and
Page 7 - PREFACE; of; The contents of this manual are subject to change without notice.
PREFACE This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of The instructions and procedures included herein are intended for the experience repair technician, andattention should be given to the precautions on the preceding page. The chapters a...
Page 8 - REVISION SHEET; Revision; st issue
REVISION SHEET Revision Issue Date Revision Page Rev. A 2 , 1 9 9 4 1st issue -
Page 9 - TABLE OF CONTENTS; APPENDIX
TABLE OF CONTENTS CHAPTER 1.CHAPTER 2. CHAPTER 3. CHAPTER 4. CHAPTER 5.CHAPTER 6. APPENDIX GENERAL DESCRIPTION OPERATING PRINCIPLES DISASSEMBLY AND ASSEMBLY ADJUSTMENTSTROUBLESHOOTING MAINTENANCE -
Page 10 - Chapter 1 General Description; Table of Contents; Environmental; INTERFACE SPECIFICATIONS
Chapter 1 General Description Table of Contents 1.1 FEATURES 1-1 1.2 SPECIFICATIONS 1-3 1.2.11.2.2 1.2.3 1.2.41.2.5 1.2.6 . 1.2.7 1.2.81.2.9 Basic Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electrical Specifications. . . . . . . . . . . . . . . . ...
Page 11 - List of Figures
1.5 MAIN COMPONENTS 1-33 MAIN Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34 1.5.2 l/F Board (Optional LocalTalk Module). . . . . . . . . . . . . . . . 1-35 1.5.3 Control Panel.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 12 - List of Tables
List of Tables Table 1-1. Options for EPL-5600 and ActionLaser 1600 . . . . . . . . . . . . . . . . . 1-2Table 1-2. Paper Feed Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Table 1-3. Paper Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 13 - and
1600 Service Manual 1.1 FEATURES The Epson the page that a semi-conductor laser with technology. These are small and and feature high-speed, high-resolution printing. Maintenance is very easy as a result of various built-in diagnostic functions. The main features are: No ozone Printing speed — 6 ppm...
Page 14 - Table l-l lists the optional units available for the; Machine Type; LocalTalk card
General Description 1600 Service Manual Table l-l lists the optional units available for the and 1600. Table 1-1. Options for and 1600 Machine Type Cat. No. Description Note Action- 5600 Level 2 Module Level 2 mode (PostScript Level 2 compatible) fonts and Yes Yes commands — Local language ROM Suppo...
Page 15 - seconds; paper
1600 Service Manual General : 1.2 SPECIFICATIONS This section provides statistical data for the and 1600. 1.2.1 Basic Specifications Printing method: Laser beam seaming and dry Resolution: 600/300 dpi Printing speed: 6 ppm First printing time Less than 19 seconds (facedown output)Less than 20 second...
Page 16 - Input; OHP
General Description 1600 Service Manual Usability of special papers: See Table 1-4. Table 1-4. Usability of Special Papers Input output OHP Envelopes Labels Card Stock Letterhead Standard Face down P P P P R built-in paper tray Face up R R R R R Lower paper N N N N P cassette Face up N N N N P R: Re...
Page 17 - Description; Rated; Environmental Conditions for Storage and Transportation
1600 Manual General Description 1.2.2 Electrical Specifications Table 1-5. Electrical Specifications I Description 100 V Version 200 V Version I Rated I 100-120 I 220-240 I Input voltage range 90-132 198-264 I Rated frequency range 50-60 I I 4 7 - 6 3 I Power consumption Less than 500 W Less than 60...
Page 18 - Safety Standards; No; In; Environmental Conditions for Storage and
General Description 1600 Service Manual 1.2.6 Applicable Standards Safety Standards 120 model: UL 1950, CSA 22.2 N0.950 Deviation 3 220/240 model: EN 60950 NEMKO Safety Regulations (Laser radiation) 120 model: FDA Class 220/240 model: 0837 (Laser Class EMI 120 model: FCC Part 15 Subpart B Class B 22...
Page 19 - HP LaserJet 4 emulation; Supported in; supported; Applicable Mode
Service Manual General ascription 1.2.9 Software Specifications Built-in modes: HP LaserJet 4 emulation Se) EPSON mode mode and mode) LX-1OO) emulation mode 2 (LQ-570/1070) mode Note: The EPSON mode is similar to the mode included in the HP LaserJet 4 emulation. Table 1-6 shows the differences betwe...
Page 21 - International characters and 9
EPL-5600 /ActionLaser 1600 Service Manual General Description Font Symbol Sets HP LaserJet 4 Mode (bitmap fonts): 15 symbol sets Roman-8Roman Extension Italian ECM94-1 Swedis2 ANSI ASCII French2 German Legal Spanish IBM-DN PcMultilingual HP LaserJet4 Mode (scalable fonts): 34 symbol sets Ronam-8 Ita...
Page 22 - STROBE; Figure 1-3. Compatibility Mode Signal Timing
General Description EPL-5600 /ActionLaser 1600 Service Manual 1.3 INTERFACE SPECIFICATIONS The EPL-5600 and ActionLaser 1600 are equipped with the following external interfaces: ■ Parallel interface ■ RS-232C/RS-422 interface ■ Optional LocalTalk interface ■ Optional Type B interface 1.3.1 Parallel ...
Page 23 - Table 1-8. Parallel Interface Pin Assignment; Signal Name
Service Manual General Description ‘-’ Table 1-8. Parallel Interface Pin Assignment Pin No. Signal Name Description STROBE is a strobe pulse used to read data from the host 1 STROBE IN computer. The pulse width must be more than 0.5 Normally it is HIGH, and data is latched at the trailing edge of th...
Page 24 - Table 1-9. Parallel Interface Pin Assignment
General Description 1600 Service 1.3.1.2 Reverse Mode The reverse mode for 1600 supports the nibble mode of This printer can run in reverse mode, in which the printer can inform the computer of its status by EJL and PJL commands. System: Nibble mode of Connector type: receptacle Applicable plug: 57-...
Page 25 - Compatibility Mode; Figure 1-4. Parallel Interface State Switch Diagram
1600 Service Description Figure 1-4 shows the parallel interface state switch diagram. Compatibility Mode Forward Data Forward Transfer ACK and Idle Terminate Failed Negotiation IN= LOW ERR= LOW No data sent Sending data I ER R= LOW Sending data A U T O FEED LOW Request to send data AUTO FE ED= LOW ...
Page 26 - Note; Figure 1-6. Timing Chart of Data Transfer
General Description 1600 Manual Figure 1-5 shows the timing chart of negotiation. DATA STROBE AUTO-FEED BUSY OOh or 04 h x - , Peripheral Busy Status PE Current Peripheral / \ —. \ Note 2 E R R O R Current Peripheral Status / \ Note 1: Note 2: Note 3: Compatibility Negotiation : HB DA or Idle or HB ...
Page 27 - Chart of Termination; Note 1
1600 Service Manual Figure 1-7 shows the timing chart of termination. DATA STROBE AUTO-FEED ACKN BUSY N o t e 3 P e r i p h e r a l B u s y / \ Peripheral Busy Status PE Note 1 Current Peripheral Status . Note 2 ERROR Note 1 Current Peripheral Status Note 1: Note 2: Note 3: H B D N A , I d l e , : T...
Page 28 - Table 1-10. Serial Interface Pin Assignments; “MARK”
General Description 1600 Service Manual 1.3.2 Serial Interface Type: Transfer system: Full duplex Synchronization: Asynchronous start-stop system Start-bit: 1 bit Stop-bit: 1 or 2 bits Data length: 7 bits or 8 bits Parity: Odd, even, or none Protocol: X-ON/X-OFF (can be combined with control) contro...
Page 29 - Serial ASCII; Handshaking
1600 Manual General Note 1: ( ) indicates an signal, which is Note 2: “CT’S’, and states can be selected through Note 3: Although the signals RTS, Cl%, and DCDare level, they can be used for mode if selected through Note 4: SD+, SD-: Serial ASCII data output from the printer. HIGH level; when SD+ vo...
Page 30 - Table 1-11. LocalTalk Interface Pin Assignments
General Description 1600 Service Manual 1.3.3 Optional LocalTalk Interface This printer can use the optional LocalTalk interface module. Type: LocalTalk Signal level: Same as 179422 signal level Protocol: X-ON/X-OFF ot be combined with control) control (cannot be combined with Transfer speed: 230.4 ...
Page 31 - OPERATING INSTRUCTIONS; Indicator lights; when
Manual General 1.4 OPERATING INSTRUCTIONS This section the functions performed through the control panel, such as test print, hexadecimal dump, and functions. 1.4.1 Control Panel The printer control panel gives you easy control over most common printer operations. consists of a liquid display (LCD),...
Page 32 - Buttons
General Description Service Manual Buttons ■ ON LINE ■ Manual (ON LINE + ■ I T E M ■ Paper Size (ITEM+ ■ M E N U ■ Tray Select (MENU+ ■ ■ ’r ■ ■ E N T E R ■ FORM FEED ■ CONTINUE ■ R E S E T (CONTINUE + Switches the printer between on-line and off-line mode. While in mode, this button exits mode. Ent...
Page 33 - allows the user to control most of the printer’s; Functions
1600 1.4.2 Functions The function on the printer control allows the user to control most of the printer’s functions, as printing test pages, selecting a paper size, and changing the printer’s configuration. Enter mode by pressing the MENU or ITEM button. Table 1-12 shows the options. 1-12. Functions...
Page 34 - Zero; P E N; P E N 3; P E N 4
General Description Service Manual Table 1-12. Functions (Cont.) Menu Available Options M & M E N U button) ad by button) ENTER button) ESCP2 (Cont.) Auto CR ON, OFF Auto LF ON, OFF Zero Char o, Bit Image Dark, Light, FX Font Courier, Prestige, Orator S Pitch 10 12 15 Prop Condensed ON, OFF T-Ma...
Page 35 - Available Options; SIZE IGNORE; DENSITY
‘. , Table 1-12. Functions Menu Available Options ad b button) button) PAGE PROTECT OFF, A4 RESOLUTION 300,600 TIMEOUT 5 to 300 EMULATION PARALLEL TRAY SIZE CONFIG SERIAL AUX* STD SIZE OPT SIZE* STD A4, A5, B5, HLT, GLT, GLG, EXE, F4, MON, C1O, C5, A4 LOCK, UNLOCK OPT TRAY* SIZE IGNORE LOCK, UNLOCK ...
Page 36 - The
General Description 1600 Service Manual Table 1-12. Functions (Cont.) I I Menu Available Options button) ad by button) (Set y ENTER button) SERIAL SERIAL TYPE RS232C, WORD LENGTH 8,7 BAUD RATE 9600, 19200,38400,57600,300, 600, 1200,2400,4800 PARITY NONE, EVEN, ODD STOP BIT 1,2 DTR ON, OFF ON, OFF DS...
Page 37 - EEPROM Format; when the
General 1.4.3.3 Factory Service Mode The factory service mode is a useful tool service people. This mode is not available to users. To enter factory mode, turn on the printer while holding down the ON LINE and CONTINUE buttons until “PRODUCT MENU” is displayed. factory service settings are shown in ...
Page 38 - This; Message; status; Measures; was removed; press
General Description 1600 Service 1.4.4 Display of Messages This printer displays three types of messages on the LCD: status messages, error messages, and power on messages. 1.4.4.1 Messages The LCD panel normally indicates the printer’s status and the software mode. Table 1-14. Status Messages Messa...
Page 39 - This printer displayed “RAM ERROR 1“ or “RAM ERROR 2“. If “RAM ERROR 1“ is; Warning Message; M e s s a g e
‘. Manual General Table 1-15. Messages (Cont.) I status I REMOVE CART Cartridge was while Form Remove cartridge and press light was on or the printer was on line. CONTINUE button. RAM ERROR Either the SIMM is damaged or it is not Power off and then remove (Note) supported. SIMM. ERROR data error. pr...
Page 40 - Port Fixed; Mode
General 1600 Service Manual 1.4.5 Printer Sharing This section describes printer sharing. This printer has two methods of printer sharing, port fixed mode and auto sense mode. These modes are selected by menu “AUTO SENSE”. 1.4.5.1 Port Fixed Mode When the printer is in port fixed mode, only one inte...
Page 41 - I I; FX
Service 1.4.5.2 Auto Sense Mode is possible to allocate each mode to parallel, serial, L/T, and ‘l’he entire memory will be allocated to the channels that are used. The that receives the data first will print first. Mode Assignment HP mode mode FX mode User 1 Parallel mode mode Mode Assignment User ...
Page 42 - EPSON Job Language; EPSON; Figure 1-13. Intelligent Emulation Switch
General Description 1600 Service Manual 1.4.6 Emulation Mode Switch Function This section describes the emulation mode switch function. 1.4.6.1 Emulation Switch by The two types of emulation switch functions described below are available on this printer. Together they are referred to as (Shared Prin...
Page 43 - Resolution improvement Technology; which; Adjustment
1.4.7 Resolution improvement Technology The 1600 printers have Resolution Improvement t Technology), which is designed to improve print quality at and 300 By this method, the dot map data extracted from the image data is reassembled to print data. The main improvement of this technique is in elimina...
Page 45 - Manual; of the; UNIT; MAIN Board; Board; Panel
. 1600 Manual 1.5 MAIN COMPONENTS To simplify maintenance and repair, the main components of the 1600 have been designed for easy removal and replacement. The main components are: c1 MAIN Board Video controller circuit board I/F (optional) Optional LocalTalk module Control Panel Board Engine control...
Page 46 - Main Board; Serial interface connector
General Description Service Manual 1.5.1 MAIN Board The MAIN board is a video controller board. The primary functions of this board are receiving print data from the host, generating the print image (video), and sending the print imageto the engine controller via the video interface. A 32-bit 17.6 M...
Page 47 - has the LocalTalk; Main Chips; control; SUPER MICROART PRINTING; Figure
1.5.2 Module) The I/F has the LocalTalk which allows this printer to to computers. LocalTalk Module is available for a LocalTalk ■ Main Chips (ICI) (K%) I .. ● ,; , : ● , ● . . . . . ● - - - - - -* ● I Figure 1-18. i/F Board 1.5.3 The control includes a 20 column x 1 row LCD panel, which provides ma...
Page 48 - and a gate array. The board controls laser; board. This volume is for
General 1600 Service Manual 1.5.4 Board This is the engine controller board. It consists ofanM37451M48-bit CPU (including a MASK ROM) and a gate array. The board controls laser g polygon drive motor), image synchronization, laser beam pulse width, and power. I M4 Figure 1-20. Board 1.5.5 Board The i...
Page 49 - The optical unit consists of the laser diode
1.5.6 Board The is the high-voltage supply circuit board. It converts the development bias, drum charge bias, and image transfer bias. not touch and on factory only. I ❑ ❑ Figure 1-22. Board 1.5.7 Optical Unit The optical unit consists of the laser diode laser), the mirror motor ( scanner motor) whi...
Page 51 - face-up feeding method reduces
Manual General 1.5.11 Lower Paper Cassette The optional lower paper cassette allows you to feed up to an additional 250 sheets of A4 or letter-size paper into this printer. Figure 1-27. Lower Paper Cassette 1.5.12 Face-Up Output Tray The face-up output tray is an optional tray useful for feeding sin...
Page 52 - Chapter2 Operating Principles; VIDEO CONTROLLER OPERATION
Chapter2 Operating Principles Table of Contents 2.1 ENGINE OPERATION 2“1 2.1.1 Print Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 2.1.1.1 Paper Feeding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.1.1.2 D...
Page 56 - Service; Feeding; Lower Fusing
Service 2.1.1.1 Paper Feeding There are two methods of feeding the paper into the printer. One is by using the multi-purpose tray (standard tray), and the other is by using the optional lower paper cassette. conditions are detected by the paper empty sensor, located above the paper tray or the casse...
Page 57 - Paper; Figure 2-4. Paper Feeding from the Lower Paper Cassette; Drum charge is the process of charging the
Operating Principles 1600 Service Lower Paper Cassette A maximum of 250 sheets can be loaded in the 250-sheet lower paper cassette (option). The cassette must be capable of handling the paper size, however. (The lower paper cassette unit can hold letter or A4 paper.) The driving force for paper feed...
Page 58 - Sos; II; Drum Cleaning
2.1.1.3 Laser Exposure Laser exposure is the process of creating an invisible static electric image on the PC drum withlaser beams emitted from the unit. motor er motor) rotates the mirror counterclockwise to produce a laser light scan. (One side of the mirror produces one scan.) The SOS (start of s...
Page 59 - PC; signals from the thermistor.
Operating Principles Service 2.1.1.6 Image Transfer Image transfer is the process of transferring the toner image created on the PC drum during thedeveloping process to the paper. This printer uses the roller image transfer method, instead ofcorona image transfer, as the image transfer process. In r...
Page 60 - Figure 2-10. Engine Controller Connecting Diagram
. . . . . I . . Manual 2.1.2 Engine This section describes control, the power supply board, and the high-voltage supply board. The engine is controlled by the engine controller board board). Figure 2-10 shows an engine diagram. LD S o s , Mirror Scanner — Motor Video C125 MAIN LowerPaper Cassette Pa...
Page 61 - Operating Principles; Main Motor Functions and Control; Drive Section; Roller; Drive
Operating Principles 1600 Service 2.1.2.1 Main Motor Functions and Control Power from the main motor (Ml) drive is used for the P/C (photo conductor) drive, the developing drive, the fusing drive, the standard paper slot feeding drive, and the lower paper cassette (option) feeding drive. Figures 2-1...
Page 63 - Control; Control Circuit
Operating Principles 1600 Service Manual 2.1.2.2 Paper Take-Up Sensor and Paper Exit Sensor The paper take-up sensor has three functions: 1. To detect the top edge of paper. The engine starts printing when the detection signal is received. 2. To detect paper size. The printer detects the time it tak...
Page 64 - Control Procedure; Figure 2-21. Scanner Motor Control Circuit; Main Motor On; Figure 2-22. Scanner Motor Driving Start Timing
The following shows the temperature procedure. Figure 2-20. Temperature for Control Procedure If the following renditions are detected, the printer indicates a error (the LCD displays SERVICE REQ. EOO03). . The thermistor temperature not C (131° within 15 . The warm-up period doesnotend within 120 s...
Page 65 - Diode Drive; Forced Laser Diode ON; Figure 2-25. Laser Emission Power Adjustment Timing
Operating Principles 1600 Service 2.1.2.5 Diode Drive Figure 2-23 shows the laser diode drive circuit. Laser diode emission is controlled by three signals (L DATA, and from the engine controller board S SCAN c o L DATA Engine ControllerBoard LD Sos Laser Diode — SOS Mirror SOS sensor Figure 2-23. La...
Page 66 - a laser diode; Diode; liming
If the SCAN signal is not detected, the printer indicates a laser diode malfunction. If scanner mirror motor (M2) does not rotate, the printer also indicates a laser diode “on. Scanner Motor On 4 0.2 Figure 2-26. Diode Detection 2.1.2.6 Biaa and Drive liming Figure 2-27 is a diagram of the drum char...
Page 68 - Figure 2-32. Fan Motor Speed Control Timing; Circuit Function and Safety Protection; Interlock; Figure 2-34. Power Supply Circuit Block Diagram
Manual Figure 2-31 is the end of the print sequence. The printer stops the main motor (Ml) from rotatingwhen the paper exit sensor turns off after 2.53 seconds. Paper Exit Off Main Motor Off [sec.] Drum 1.27 1.26 Charge b Laser (LO) Development ) Figure 2-31. Print Sequence (End) 2.1.2.7 Fan Motor C...
Page 69 - Video Controller Section; MAIN Board Block Diagram
Operating Principles 1600 Service Manual 2.2 VIDEO CONTROLLER OPERATION The video controller section generates the video signals for the received data. video controller section is separate in the MAIN board and the control panel. The control panel is to the engine controller board but is controlled ...
Page 70 - MAIN Board Main Elements; Element; Video signal
Table 2-2 lists the functions of the MAIN main elements. Table 2-2. Functions MAIN Board Main Elements Element Location Function MB86930 RISC ICI The CPU, whch operates at 17.6 MHz, manages the video CPU controller operation. This contains the following functions: . Address decoding. DRAM management...
Page 72 - OUT; Bus Control Circuit; READY
Manual 2.2.1.1 Reset Circuit The entire system (the CPU and the external devices) can be initialized if the RESET signal (CPU pin 113) are active simultaneously. This circuit uses an to monitor the supply voltage if a voltage level less than 425 V is detected. The reset time is approximately 128 ma....
Page 73 - DRAM Management; RASO; DRAM
Operating Principle Service 2.2.1.3 Interrupt Control The determines the priority level of the interrupt and outputs it to terminals - IRL3. Then an interrupt is sent to the CPU. When the value is the CPU process is a non-maskable interrupt process. When the value is the CPU process is a standard pr...
Page 74 - so that the printer; host; Circuit
. . . . 2.2.1.5 Figure 2-41 shows the parallel block diagram. Data sent from the host is latched within the by the signal. outputs the BUSY signal automatically to stop the host computer from sending additional data. CPU resets the BUSY signal after reading the data from the so that the printer is r...
Page 75 - Serial; MAIN
Operating Principles Service Manual 2.2.1.7 Circuit This circuit uses the receiver/driver IC to change the signal level from the signal level to the signal level (O V or +5 V) or from the signal level to the signal level. The standard cell changes serial data to parallel data. Parallel Data Serial D...
Page 76 - Interface
1600 Manual 2.2.1.10 Interface The maps the into a memory space different from the system memory. The CPU transmits data from the V-RAM (in the system RAM) to the using the The cell converts the image data in the from parallel to serial, synchronizes it, and then transmits it to the engine controlle...
Page 77 - Chapter3 Disassembly and Assembly; GENERAL INFORMATION
. . . ’ - Chapter3 Disassembly and Assembly Table of Contents 3.1 GENERAL INFORMATION 3-1 3.1.1 Precautions for Disassembly/Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3.1.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-...
Page 79 - the main; unit is not; Use the tools listed in Table 3-1 for; Name; Yes
and . 3.1 GENERAL INFORMATION This chapter describes the disassembly/assembly procedures to be used for the main assemblies of the 16(X). 3.1.1 Precautions for Disassembly/Assembly Follow the precautions below when disassembling/assembling the printer. ■ Disconnect the power before ■ Be sure to hand...
Page 81 - repaired unit using the following list on completion of; Item
1600 3.1.4 Service Checks after Repair Check the repaired unit using the following list on completion of 3-4. Checks after Repair Item Location Check Point Check Control panel Do all LEDs, LCD, and buttons function normally? Heater lamp Does the heater turn ON normally? Test print (status Operation ...
Page 82 - Disassembly and Assembly; DISASSEMBLY AND ASSEMBLY; the Video Controller Section; Video Controller Board; as the cartridge or card itself.; the Interface; the Video
Disassembly and Assembly 1600 Service Manual 3.2 DISASSEMBLY AND ASSEMBLY section describes and illustrates the procedures for removing and disassembling the components of the Cleaning is described in Chapter 6. The assembly procedures are not described, except for special notes where necessary, bec...
Page 83 - the LocalTalk; CC; Removing the
Manual and 3.2.1.2 LocalTalk Module I/F Board) Removal 1. Remove the video controller board MAIN board). (Refer to Section 3.2.1.1.) Remove 2 screws x5) from the module. 3. Remove the LocalTalk module from board MAIN board). CP X 5) Figure 3-5. Removing the 2 Screws Figure 3-6. the LocalTalk . . . 3...
Page 84 - Housing; Removal
Disassembly and Assembly 1600 Manual 3.2.2 Housing Removal This section describes how to remove the cases and the rear frame. 3.2.2.1 Case Removal 1. 2. 3. 4.5.6. 7. 8.9. Remove the video controller board MAIN board). (Refer to Section 3.2.1.1.) Open the top cover. Remove the imaging cartridge. Cove...
Page 86 - Disassembling the Engine; c c; Figure 3-10. Removing the Engine Controller Board
Disassembly and Assembly 1600 Service Manual 3.2.3 Disassembling the Engine This section describes disassembling the engine, including the engine controller board and power supply board 3.2.3.1 Engine Controller Board Removal 1. 2. 3.4.5.6. 7. 8. Remove thevideocontroller board MAIN board). (Refer t...
Page 87 - the Power Supply Unit
Manual and 3.2.3.2 Power Supply Unit Removal 1. 2. 3. 4.5. 6. 7. Open the top cover. the imaging cartridge. Cover the imaging cartridge to protect it from light or place it in a dark area. Remove the control panel. to Section 3.2.13.) Remove the paper cover. Remove the right cover. (Refer to Section...
Page 89 - Paper Empty Sensor
Manual and 3.2.3.5 Paper Empty Sensor Removal 1. Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from light or place it in a dark area. 2. Remove panel. 3.2.1.3.) 3. Remove the paper cover. 4. Remove the paper guide case. to Section 3.2.2.1.) 5. Remove the...
Page 91 - Fan Motor; Fan; Unit Removal
Service 3.2.3.8 Fan Motor Removal 1. Open the top cover. Remove the imaging cartridge. Cover the imaging to protect it from light or place it in a dark area. 2. Remove the control panel. (Refer to Section 3. Remove the paper cover.4. Remove therightcoverand (Refer to Section 5. Remove the top cover....
Page 92 - Disassemble and Assembly; of the lamp with your bare hands.; Disassembling the Fusing Unit -1
Disassemble and Assembly 1600 Service Manual 3.2.3.10 Fusing Unit Disassembly This section describes how to remove the paper exit sensor, heater lamp, cleaning, lower fusing roller, and upper fusing roller. 1. Remove the fusing unit. (Refer to Section 3.2.3.9.) 2. Remove the paper exit sensor. 3. Re...
Page 93 - Transfer Roller Removal; from light or place it in a dark area.; Figure 3-21. Removing the Image Transfer Assembly; Figure 3-22. Removing the Image Transfer Roller
Manual Disassembly and Assembly 3.2.3.11 Transfer Roller Removal 1. Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from light or place it in a dark area. 2. Remove the control panel. Section 3. Remove the paper cover.4. Remove the right covers. (Refer 3.2...
Page 98 - After the engine; Removing 1 Screw
Manual 4.1 ADJUSTMENT This section describes the adjustment procedure for the and 1600. adjustment must be performed after every servicing operation, especially when any component orpart is 4.1.1 Print Position Adjustment You can adjust the vertical print position on a sheet of paper by turning the ...
Page 99 - ure; and Adjusting; and the Upper
Adjustment 1600 Service 6. 7. 8.9. 10. While holding the control panel, adjust the image synchronizing adjustment volume on the engine controller board so that the gap for the print position of the horizontal line (vertical print position) becomes 19.1 mm (0.75 inch) for or 14.3 mm (0.56 inch) for A...
Page 100 - Chapter 5 Troubleshooting; TROUBLESHOOTING TOOL; Messages Requiring; LCD Displays SERVICE REQ.
Chapter 5 Troubleshooting Table of Contents 5.1 OVERVIEW 5-1 5.2 SELF-DIAGNOSTIC FUNCTION 5-1 5.3 TROUBLESHOOTING TOOL 5-2 5.4 TROUBLESHOOTING 5-2 5.4.1 Troubleshooting of Abnormal Operation . . . . . . . . . . . . . . . . . . . . . . . . . 5-25.4.2 Print Quality Anomaly . . . . . . . . . . . . . . ...
Page 101 - Maintenance
161X) 5.1 OVERVIEW The and ActionLaser have a sophisticated, built-in, function that reduces time by identifying failed parts or components. This test overcomes the problems for page printers, in which even a trivial failure can result in a serious print quality problem. 5.2 SELF-DIAGNOSTIC FUNCTION...
Page 102 - Troubleshooting; remove the video controller board; TROUBLESHOOTING; Troubleshooting of Abnormal Operation; troubleshooting table.; Symptom
Troubleshooting 1600 Service Manual 5.3 TROUBLESHOOTING TOOL There is an extension cable provided for this printer to check the waveforms of the video controllerboard. You remove the video controller board MAIN board) from the board slot and still check its waveforms by connecting the board to the e...
Page 103 - or; Not; Operate at
Service Table 5-3. Symptoms and Reference Tables (Continued) Symptom Printer Condition SERVICE REQ. The LCD displays SERVICE REQ. 5-21 SERVICE REQ. The LCD displays SERVICE REQ. 5-22 SERVICE REQ. The LCD displays SERVICE REQ. 5-23 SERVICE REQ. Cl 110 The LCD displays SERVICE REQ. Cl 110. 5-24 SERVIC...
Page 104 - Table 5-5. The Printer Does Not Start RAM Check; cause; with; Table; maybe
Troubleshooting 1600 Service Table 5-5. The Printer Does Not Start RAM Check I Cause Step Checkpoint Finding Solution The video controller board If you change the MAIN MAIN board) maybe 1 board, does the printer Yes Replace the dead. the RAM check? MAIN board. The control panel may be 2 — Replace th...
Page 105 - Cause; step; Checkpoint
1600 Service Manual Table 5-9. The LCD Displays FEED JAM Cause step Checkpoint Finding Solution Connector for paper take-upsolenoid may be 1 Is connector disconnected? Connect it. disconnected. Disconnect connector on the board and check coil resistance between pin 7 and pin 8 on the disconnected ca...
Page 106 - Displays FEED JAM for Lower Paper Cassette; Table 5-11. The LCD Displays PAPER JAM at Power On; Is
Troubleshooting 1600 Service Manual Table 5-10. The LCD Displays FEED JAM for Lower Paper Cassette Cause Step Checkpoint Finding Solution Disconnect connector on the lower paper cassette circuit board and check the coil resistance between pin 1 and pin 2 on the No Replace the paper disconnected cabl...
Page 107 - PAPER JAM during Paper Feeding; checkpoint; Finding; Replace the paper; Table 5-14. The LCD Displays EEPROM ERROR
1600 Service Table 5-12. The LCD PAPER JAM during Paper Feeding be bad. The fusing unit may be bad. 4 checkpoint Finding Is the imaging installed? No Does paper always jam in paper take-up roller area? Does paper always jam in the image transfer roller area? Does paper always jam in the fusing unit?...
Page 109 - Service Manual; OK after
Service Manual Table 5-20. The LCD Displays SERVICE REQ. EO014 Cause Step Checkpoint Finding Solution The board , — Replace the bad. — board. The MAIN — Replace the be bad. — board. Table 5-21. The LCD Displays SERVICE REQ. Cause Step Checkpoint Finding The MAIN — Replace the be bad. — MAIN board. T...
Page 110 - board
Troubleshooting 1600 Service Table 5-27. The LCD Displays SERVICE REQ. Cause Step Checkpoint Finding Solution The ROM or on Is the operation OK after Replace the ROM the MAIN board may 1 you replace the ROM? — or on the be bad. Cl 25 MAIN board. The MAIN board — Replace the be bad. — MAIN board. Tab...
Page 111 - Another SERVICE REQ. Error
. . ”’, Table 5-33. The LCD SERVICE REQ. of CI21O step Checkpoint The (IC1O) on the MAIN board be 1 — bad. The MAIN — be bad. Finding Solution Replace the — on the the — MAIN board. 5-34. The LCD SERVICE REQ. C1300 Step Checkpoint Finding Solution optional interface — Replace the optional may be bad...
Page 113 - optical
1600 Manual Troubleshooting Table 5-38. Quality Anomaly (Continued) Symptom Possible Cause Part Name Remedy Blank print Imaging Check whether the imaging cartridge is Reinstall the imaging Poor cartridge properly. cartridge. development board — Replace the board. Improper board — Replace the Check t...
Page 114 - A B C ’
Troubleshooting 1600 Service Manual Table 5-38. Print Quality Anomaly (Continued) Symptom Possible Cause Part Name Check ftem Remedy of missing Check the surface the Image transfer the Poor image roller transfer roller. transfer roller. _ transfer board — Replace the board. A B C ’ Shake the imaging...
Page 116 - optimal print quality.
Manual 6.1 MAINTENANCE The and ActionLaser 1600 are page printers that use an printing method. Unlike with most impact or ink-jet printers, the key components in the process are integrated into an expendable cartridge (the imaging cartridge). replacement of the imaging cartridge is essential to ensu...
Page 117 - Cartridge; Insert the imaging cartridge into the printer; the Clear; Inserting the Imaging
Maintenance 1600 Service Manual 6.1.1.2 Consumable Replacement This printer uses consumable imaging cartridge SO51O16. The life of this cartridge is 6000 pageswhen printing on A4 or letter size pages with a print ratio. If printed images become faint, remove the cartridge and gently shake it. This w...
Page 118 - Unit; Interval; service; Cleaning; parts
Service Manual Maintenance 6.1.2 Maintenance This section describes the periodic service maintenance and cleaning required. 6.1.2.1 Periodic Maintenance The following units require periodic service maintenance because they are subject to deterioration as the total number of printed pages increase, r...
Page 120 - CONNECTOR PIN ASSIGNMENTS; CIRCUIT DIAGRAM
Appendix A Reference Materials Table of Contents CONNECTOR PIN ASSIGNMENTS A-1 Video Controller Board MAIN Board) . . . . . . . . . . . . . . . . . . . . . . A-4 Engine Controller Board Board) ._. . . . . . . . . . . . . . . . . . . . . . A-1 1 Power Supply Board Board) . . . . . . . . . . . . . . ....
Page 122 - PIN ASSIGNMENTS; and a description of each connector.; the Video Controller
A.1 CONNECTOR PIN ASSIGNMENTS Figures A-1 and A-2 illustrate the interconnection of the primary components. Table A-1 gives the and a description of each connector. Video Controller Board Parallel l/F Serial Beard HP font cartridge ● , ● ● . ●● * * * . , ● , ● , * * . ● ● ● 1 . . . . . . . . . . . ....
Page 123 - Appendix A; Figure A-2. Cable Connections for the Engine Section
Appendix A 1600 Service Manual mo L–__. –_. __. J Figure A-2. Cable Connections for the Engine Section A-2 Rev.
Page 126 - Reset; Data
Manual A Table A-2. CN3 Pin Assignments (Continued) Pin No. 52 5354 555857 58 5960 6162 63 64 65666768 69,70 71 7273 74 75,76 77 7879 80 81,82 83848586 878889909192 939495 96 979899 100101102103 Signal Nams NC NC NC MCLKNC NC VCLK RESET +5 v NC +5 v — A24 o 0 0 I — o — o — o — — o 0 0 — I o — ——— o ...
Page 127 - Pin Assignments
Appendix A 1600 Service Table A-2. Pin Assignments (Continued) Pin No. 105 106107108 109110 111112113 114115116117118 119120 Pin No. 1,2,3,4 567 89 101112131415 16, 1718, 19 2021 22 23 24252627282930 Signal Name A25 NC BGRNTBGAT RDYOT I/o o 0 — I o 0 0 0 II — I o0 Description Address bus bit 25 Byte...
Page 128 - Service Manual; AlO; Signal Name; ascription; Address bus bit 4; bus bit
Service Manual A Pin No. A3 A4 /49 AlO 1 A21 A22, 23 A24, 25 B2 B3 B4 B708 Table A-4. CN5 Pin Assignments Signal Name ASX NC A2 A6 A8 D3 D5 D7 +5 UDSX A3AS A l l Do D2D4 Da RWXFCEX MCLK o0 — o0 0 00 00 0 0 0 0 —— o0 — o 0 0 000 0 0 0 0 f/o o 0 0 ascription Address strobe Lower data strobeNot connect...
Page 129 - NC
1600 Service Table A-5. CN6 Pin Assignments Pin No. 1-6 7 9 1011 12 13 14 15 16 17 18 19-24 25-28 Signal Name TXD READYRXD NC RESET WR GNDA3-AO D7-DO I/o o0 I — o0 III o00 — o Description +5 VDC Transmitted data Ready signalReceived data Not connected Reset signall/F disabled Request commandl/F read...
Page 130 - Write enable to LED
Service Manual A .“ Table A-6. CN7 Pin Assignments Pin No. Name Description 1 I Switch interrupt 2 — 3 o Write strobe to LCD 4 o to LCD 5 SWRDX o Read strobe to 6 o Write enable to LED 7 Data bus bit O 8 Al o Address bus bit 1 9 Data bus bit 2 10 Data bus bit 1 11 — +5 12 Data bus bit 3 13,14 — Grou...
Page 133 - Pin Assignments (Also
Appendix A 1600 Service Manual Pin No. 1 234 678 Pin No. 2 34 5678 Table A-10. Pin Assignments Signal Name 5 5 24 1 “ —— I — o Description +5 Ground Paper empty +5 Ground Paper exit +24 Paper take-up solenoid drive Table A-11. Pin Assignments Signal Name DC5V DC24V CH1 CH2:ON DB:CNTM3:CNT I —.— o 0 ...
Page 134 - II Ii; l/F Board Circuit Diagram
EPL-5600 1600 Service Manual Appendix A II Ii I I I 1 I I I I I I I I I 1 Figure A-4. l/F Board Circuit Diagram Rev.
Page 135 - Figure A-5. Control Panel Circuit Diagram
A 1600 Service Manual , -1 X ● ● Inu , 0 - — — — — — . u I 1 I ! , . - - , + —------ - 1 . A Figure A-5. Control Panel Circuit Diagram A-18 Rev.
Page 136 - Board Circuit Diagram
1600 Service Manual Appendix A > Figure A-6. Board Circuit Diagram Rev. A-19
Page 138 - A.3 CIRCUIT BOARD COMPONENT LAYOUT; Figure A-8. C125 MAIN Board Component Layout
EPL-5600 1600 Service Appendix A A.3 CIRCUIT BOARD COMPONENT LAYOUT r J --1 —.—. — m z I o0 t [ ii 2 1 II r II Figure A-8. C125 MAIN Board Component Layout (Front Side) Rev.