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Epson EPL-5000 Service Manual
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Epson EPL-5000 Service Manual

Epson terminal printer epl-5000/5200/5200+, actionlaser 1000/1500
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EPSON TERMINAL PRINTER
EPL-5000/5200/5200+
1000 I15OO

SERVICE MANUAL

EPSON
4001962

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Summary of Contents for Epson EPL-5000

  • Page 1: Service Manual

    EPSON TERMINAL PRINTER EPL-5000/5200/5200+ 1000 I15OO SERVICE MANUAL EPSON 4001962...
  • Page 2 THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS. WARNING REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLT- AGE, LISTED THE SERIAL NUMBER/RATING PLATE.

  • Page 3: 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 within protective housings, the laser beam escape from the machine during any phase of user operation.
  • Page 4 Users; For Finland, Sweden k u i n aattaa annat an i For Norway Users; Dersom brukes annen em spesifisert i som overskrider laser er en laser. laserdiode er 5.7x 10” er 780 nm. Laser Safety Labels [Label on rear printer case] A laser safety labels is attached on the outside of the printer shown below.
  • Page 5 For Europe [Label inside printer] The following laser safety label will be attached inside the printer as shown below.

  • Page 6: General Description

    Includes a step-by-step guide for product disassembly and assembly. CHAPTER 4. ADJUSTMENTS Includes a step-by-step guide for adjustment. CHAPTER 5. TROUBLESHOOTING Provides Epson-approved techniques for adjustment. CHAPTER 6. MAINTENANCE Describes preventive maintenance techniques and lists lubricants and adhesives required to service the equipment. APPENDIX Describes connector pin assignments, circuit diagrams, circuit board component layout and exploded diagram.
  • Page 7 REVISION SHEET Revision Page Revision Issue Date Rev. A January 8, 1993 1st issue Page 1-23, 1-31,2-22,3-11 ,4-1 Rev. B June 28,1993 Added information for the Cl 08 Rev. C August 5, 1993 MAIN-B board: Page B-i, B-1, through B-10 February 28, 1994 Page 1-33 Rev.
  • Page 8 TABLE OF CONTENTS CHAPTER 1. GENERAL DESCRIPTION CHAPTER 2. OPERATING PRINCIPLES CHAPTER 3. DISASSEMBLY AND ASSEMBLY CHAPTER 4. ADJUSTMENTS CHAPTER 5. TROUBLESHOOTING CHAPTER 6. MAINTENANCE APPENDIX...

  • Page 9: Table Of Contents

    General Description Chapter 1 Table of Contents 1.1 FEATURES 1.2 SPECIFICATIONS 1.2.1 Basic Specification .......... .1-5 1.2.2 Electrical Specifications .
  • Page 10 Menu Map ....1-21 Figure l-7. in Epson GU2Mode Menu Map ...1-22 Figure l-8. Menu Map ... . 1-22 Figure l-9.
  • Page 11 Table 1-11. Built-in Fonts with GQ Chip Option and with Board and GQ Chip) ........1-12 Table 1-12.

  • Page 12: Features

    1500 has HP emulation mode 1 0 0 0 c a n b e u p g r a d e d f r o m H P ‘ . emulation mode with the optional Epson PCL5 Upgrade Board card...
  • Page 13 Laser Service Manual General Description Table 1-1 shows the differences in 1000, with the 1000 with the optional Epson optional Epson Upgrade Board, Upgrade Table 1-1. Differences in Features Action Laser Action 1000 with with Action Laser Function/ Laser Specification...
  • Page 14 Ill mode (Note 3) ‘ e s ‘ e s supports Postscript’” card language (Note 4) (Note 4) (Note 4) (Note EPSON GL Identity Supports HP-GL commands (Note 4) (Note 4) (Note 4) (Note 4] Epson 111/l emulation Upgrade mode (includes...
  • Page 15 GQ mode can be used, if the optional GQ chip is installed. 2. The ActionLaser 1000/1500 uses only card 5400. 3. Scalable fonts for HP LaserJet III mode can used, if the optional Epson Upgrade Board is installed. Requires added memory (RAM) over a total 1.5 MB (including standard RAM).

  • Page 16: Specifications

    1.2 SPECIFICATIONS This section provides statistical data for the and ActionLaser Basic Specifications Laser beam scanning and dry Printing method: (dots per inch) Resolution: Printing speed: 6 PPM (pages per minute) Less than 19 seconds (facedown output) First printing time Less than 20 seconds (face-up output) Less than 35 seconds (at rated current and 23°...

  • Page 17: Figure 1-2. Printable Area

    /Action Laser 1000/1500 Service Manual General Description See Table 1-5. Usability special papers: Table 1-5. Usability of Special Papers output Envelopes Labels Stock Letterhead input Face down Standard ‘ built-in paper Face up Face down Lower paper cassette Face up R: Reliable feeding and good image quality.

  • Page 18: Electrical Specifications

    /Action Laser Manual General 1.2.2 Electrical Specifications Table 1-6. Electrical Specifications 100 V Version 200 V Version Description 100-120 220-240 Rated voltage 198-264 Input voltage range 90-132 Rated frequency range 50-60 Hz Input frequency range 47-63 Hz 5.5 A 3.3 A Rated current Less than 600 W Power consumption...

  • Page 19: Environmental Conditions For Storage And Transportation

    Laser 1000/1500 Service Manual General Description 1.2.6 Applicable Standards UL 1950, CSA 22.2 Deviation 220 model: EN 60950 220/240 model: Regulations (Laser radiation) Class 1 model: O&37 (Laser Class model: FCC Part 15 Subpart B Class B 220/240 0871 Class B, 0875 Part 1), model: Others No effect human health.

  • Page 20: Software Specifications

    9-pin emulation mode 24-pin mode mode is similar mode included The Epson in the HP emulation. 1-7 shows the differences between Epson mode and Table emulation. in Epson mode, mode in the the operator can enter mode without sending the...
  • Page 21 Medium Upright EPSON Roman T Bold Upright EPSON Roman T Medium Italic EPSON Roman T Bold Italic EPSON Saris Serif U Medium Upright EPSON Saris Serif U Bold Upright EPSON Saris Serif U Medium Italic EPSON Saris Serif U Italic...
  • Page 22 Table 1-10. Built-in Fonts (EPL-5000 with GQ Chip) Applicable Mode Resident Fonts Bitmap fonts Courier Medium Upright 10 cpi Portrait Courier Bold Bold Upright 10 cpi Portrait Medium Italic 10 cpi Portrait Courier Italic Medium Upright 10 cpi Courier Courier Bold...

  • Page 23: Board And Gq Chip

    Laser 1000/1500 Service Manual General Description Chip Option and EPL-5000 Table 1-11. Built-in with Board and GQ Chip) Applicable Mode Resident Fonts HP LJ3 Bitmap fonts Courier Medium Upright Portrait Bold Upright Portrait Courier Italic Portrait Courier Medium Medium Upright...
  • Page 24 General Description Laser 1000/1500 Service Manual Font Symbol Sets HP LaserJet 11P Mode: 26 symbol sets 21,25,57,60,61,69,84, 85 1S02, 4,6,10,11,14,15,16,17, ISO1OO(ECMA94-1 ) Roman Extension HP Spanish HP German HP Legal HP Roman-8 IBM-US IBM-DN PcMultilingual HP LaserJet III/IIIP/IIISi Mode: 41 symbol sets 1S02, 4,6,10,11,14,15,16,17, 21,25,57,60,61,69,84, 85 ISO1OO(ECMA94-1) Venture Math...

  • Page 25: Interface Specifications

    Laser 1000/1500 Service Manual General Description 1.3 INTERFACE SPECIFICATIONS 1500 are equipped with the following external interfaces: parallel interface interface Optional Type B interface (except for 1000 is equipped with the following external interfaces: parallel interface Optional Type B host interface (including Parallel Interface 1.3.1 Type:...

  • Page 26: Parallel Interface Pin Assignment

    Laser Service Manual Table 1-13. Parallel Interface Pin Assignment Description Signal Name STROBE is a strobe pulse used to read data from the host computer. The pulse width must be more than 0.5 STROBE Normally it is HIGH, and data is latched at the edge of this signal.

  • Page 27: Serial Interface (Except For The Action Laser 1000)

    Laser 1000/1500 Service Manual General Description Table 1-13. Interface Pin Assignment (Continued) Description Signal Name If the signal is LOW when the printer is turned on or initialized, the printer enters the state. In this state, control codes are ignored. If the signal is HIGH when the printer is turned on or initialized, the select/deselect control by is valid.
  • Page 28 It is sent only once, even if there are multiple errors. The printer goes on line automatically at of X-ON/X-OFF codes can be defined by power and outputs an X-ON code. Transmission Protocol the EPSON GL is selected, protocol is also supported. mode 1-17...

  • Page 29: Optional Interface (Action Laser 1000 Only)

    General Description Laser Service Manual 1.3.3 Optional Interface 1000 Only) 1000 can use the non-intelligent serial interface card Type: RS-232C or current loop Asynchronous start-stop system Synchronization: Start bit: Stop bit: Data length: 7 bits or 8 bits Parity: Odd, even, or none Protocol: X-ON/X-OFF (cannot be combined with control)

  • Page 30: Operating Instructions

    General Service Manual 1.4 OPERATING INSTRUCTIONS This section describes through the control panel, such as test print, the functions performed hexadecimal dump, and functions. 1.4.1 Control Panel The printer control panel gives you easy control over most common printer operations. The panel consists of a liquid crystal display (LCD), indicator lights, and buttons.
  • Page 31 Holding down this button while turning on the printer, causes FACTORY RESET to appear on the display, and all settings return to the factory settings. COPY END/ (P, S, or O) (EPL-5000/5200, 1500) CH (P or O) 1000) COPY END:...
  • Page 32 General Description EPL-5000/5200/Action Laser 1000/1500 Service Manual 1.4.2 SelecType Functions This printer has two levels of SelecType, Level 1 and Level 2. Either level can be selected by pressing the Level 1 or Level 2 button. SelecType Level 1 is called Mode Configuration. SelecType Level 2 is called Printer Configuration.
  • Page 33 Laser 1000/1500 Service Manual General Description Mode Epson Level 1 in ORIENT . Not shown FONT Not shown - 1 ike PORT “NO A2, A3, A4 or AL — AO, Al, ‘G’, GLT, GLG, EXE, F4, MON, C1O, CORNER CENTER 0.05...
  • Page 34 Laser 100W15OO Service Manual Level 2 FEATURE PRINT Laser 1000 Laser 1500 EMULATION/CH X mode EPSON CH P I/F. INTERFACE PARALLEL WORD LENGTH BAUDRATE PARITY STOP BIT — RX-BUFFER SIZE S E R ‘ P, s, o to 600 TIMEOUT AUTO CONT.

  • Page 35: Displayof Messages

    Laser 1000/1500 Service General Description Display of Messages 1.4.3 This printer displays three types messages on the LCD: status messages, error messages, and power on messages. 1.4.3.1 Status Messages The LCD panel normally indicates the printer’s status and the software mode. Table 1-15.

  • Page 36: Error Messages

    Error Messages 1.4.3.2 If any of the following errors occurs, it will displayed on the LCD panel. The error must be cleared immediately using the measures shown in the following table. Table 1-16. Error Messages Message Status Measures SAVE MEMORY EEPROM capacity is insufficient to Delete unnecessary MACRO and ther repeat SAVE.

  • Page 37: Power On Display

    Laser 100011500 Service Manual General Description Table 1-16. Error Messages (Continued) Status Message Measures The optional lower cassette has Connect the optional lower cassette, been selected, but it’s not and press the CONTINUE button. RESELECT TRAY connected. *1 Or press the CONTINUE button. *3 Remove the jammed paper.

  • Page 38: Printer Sharing

    Manual 1.4.4 Printer Sharing This printer has two methods of printer sharing. This section describes printer sharing and the data receive buffer. 1.4.4.1 Individual Mode on the RAM partition method, allocate the various modes to either CH possible, depending P, CH S, O.

  • Page 39: Auto Sense Mode

    Laser 1000/1500 Service Manual General Description Auto Sense Mode 1.4.4.2 CH P, O. The is Possible to allocate each mode to entire user memory will be allocated to the channels that are used. The channel that receives the data first will print first. Mode Assign Channel P User 1...

  • Page 40: Controller Ram Status

    The usable RAM size depends on shown user operation in the following cases: The size of received data (except in optional EPSON CL and PostScript modes). The FULL PRINT setting made in The RX-BUFFER SIZE setting made in Font downloading.

  • Page 41: Optional Memory

    Laser 1000/1500 Service Manual General Description 1.4.6 Optional Memory If you have difficulty printing complex, pages of you regularly use downloaded fonts, you may need on this printer’s sets controller board. The printer’s board comes either of RAM installed (for the 1000) or of RAM installed (for 1500).

  • Page 42: Emulation Mode Switch Function

    (Shared Printer Language). EPSON Job Language This is Epson’s original language system. It is able to skip among various destinations, as shown in Figure 1-13. Printer Job Language This is HP’s original language, which is available with the LaserJet”...

  • Page 43: Resolution Improvement Technology

    Laser 1000/1500 Service Manual General Description Resolution Improvement Technology 1.4.8 1500 and the 1000 with the optional Epson Upgrade board have (Resolution Improvement Technology), which is to improve print quality. By this the dot map data extracted from the image data is reassembled improve print data.
  • Page 44 General Manual Laser 100W75OO Service 1.4.9 Reset reset operations are only required when the main board replacement, replacement, or firmware version is revised, and these operations are specified in the accompany- ing documentation. memory reset (excluding clearing of the page counter and toner counter) Turn on the power while pressing the ON LINE, FEED, and CONTINUE buttons simultaneously, the printer enters clear mode, and the message STARTUP ERROR is...

  • Page 45: Main Components

    Description Laser Manual 1.5 MAIN COMPONENTS To simplify maintenance and repair, the main components of the have been designed for easy removal and replacement. The main components are: MAIN Board circuit board ROM-B Board program and fonts ROM board Control Panel Board Engine controller circuit board Board...

  • Page 46: Main Board

    General Description Laser Manual 1.5.1 MAIN Board MAIN board is video controller board. The functions this board main are receiving print data from host, generating the print image (video), and sending the image to the engine controller via the video interface. A 16-bit MHz CPU is used, and the following memory chips...
  • Page 47 MAIN board. In the 1500, this board is standard. In the EPL-5000/ActionLaser 1000, this board is optional. Memory chips MASK ROM EPROM or two EPROM...
  • Page 48 P R I N T U L L TONER pAGE ON LINE LINE LEVEL 1 LEvEL 2 LEVEL 1 LEVEL 2 RESET CONTINUE EPL-5000 Action Laser 1000 LEVEL 1 LEvEL 2 INPUP TRAY FEATURE PRINT PAOE EMULATION INTERFAcE RECEIVE USER STATUS...

  • Page 49: Board

    Laser 1000/1500 Service Manual General Description Board 1.5.4 This is the engine controller board. It consists of an M37451M4 8-bit CPU (including a MASK ROM) and a array. The board controls seaming (the polygon mirror drive motor), image pulse width, and power. Figure 1-21.

  • Page 50: Board

    Manual Board 1.5.6 is the high voltage supply circuit board. converts the development bias, drum charge bias, and image transfer bias. touch on the board. These volumes are for factory setting Do not only. Figure 1-23. Board 1.5.7 UNIT unit consists of the laser diode (semi-conductor laser), the scanner motor which drives the polygon mirror for laser scanning, and several mirrors and lenses.
  • Page 51 Laser 100W15OO Service Manual General Description 1.5.8 FUSING UNIT The fusing unit fixes the toner to the paper using heat and pressure. This unit has a heater lamp, thermistor, and thermal fuse. There are two types of fusing units, the 120 V type and the 220/240 V type.

  • Page 52: Lower Paper Cassette

    General Description Laser 1000/1500 Service Manual Lower Paper Cassette 1.5.11 The optional lower paper cassette you to feed up to additional 250 sheets of A4 or letter-size paper into this printer. Figure 1-28. Lower Paper Cassette Face Up Output Tray 1.5.12 The face-up output tray is an optional tray useful for feeding single sheets of paper types, such as envelopes, transparencies, labels, or heavy paper.
  • Page 53 Principle Operating Chapter 2 Table of Contents 2.1 ENGINE OPERATION 2.1.1 Print Posses ..........2-2 2.1.1.1 Paper Feeding .
  • Page 54 Figure 2-13. Development Device Section ......2-8 Figure2-14. Fusing Drive Section ........2-8 Figure 2-15.

  • Page 55: Engine Operation

    Manual 2.1 ENGINE OPERATION This section describes the functions and operating principles of the ActionLaser 1000/1500 engine. Figure 2-1 shows the locations and names of the main engine components. Lower fusing roller Paper tray Fusing cleaning roller Paper guide cooling fan Printhead unit Image transfer roller Imaging cartridge...
  • Page 56 Laser 1000/1500 Service Manual Operating Principles Process 2.1.1 Print This section describes the print process from paper feeding to paper exit. Figure 2-2 shows a diagram of the process. Exit E x i t ( F / U ) F u s i n g E x p o s u r e --- —.

  • Page 57: Paper Feeding

    Operating Manual 2.1.1.1 Paper Feeding There are 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 250-sheet lower paper cassette. sensor, located above the paper tray or the Paper-out conditions are detected by the paper empty cassette.

  • Page 58: The Lower Paper Cassette

    Laser 1000/1500 Service Manual Operating Principles Lower Paper Cassette of 250 sheets can be loaded in the 250-sheet lower paper cassette (option). The cassette capable of handling the paper size, however. (The lower paper cassette unit can hold must letter, A4, or paper.) force for paper feeding and transport is from the transmission gear.

  • Page 59: Laser Exposure

    Manual 2.1.1.3 Laser Exposure Laser exposure is the process of creating an invisible static electric image on the PC drum with laser beams emitted from the printhead unit. mirror motor (scanner motor) rotates the four-sided mirror mirror counterclockwise to produce a laser light scan. (One side of the produces one scan.) The SOS (start of scan) sensor detects the laser rays from the SOS mirror and outputs the SOS signals to make the starting position of each line of the image uniform.

  • Page 60: Image Transfer

    Laser 1000/1500 Service Manual Operating Principles Image Transfer 2.1.1.6 Image transfer is the process of transferring the toner image created on the PC drum during the developing process to the paper. This printer uses the roller image transfer method, instead of corona image transfer, as the image transfer process.

  • Page 61: Engine Control

    Operating Laser Service Manual 2.1.2 Engine Control This section describes engine control, the power supply board, and the high voltage supply board. The engine is controlled by engine controller board board). Figure 2-10 shows an engine controller diagram. Fan Motor ) Doctor Blade Bias Transfer Roller Engine...

  • Page 62: Main Motor Functionsand Control

    Laser 1000/1500 Manual Operating Principles Main Motor Functions and Control 2.1.2.1 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) rollers.

  • Page 63: Figure 2-17. Main Motor Drive Circuit

    Operating Manual Table 2-1. Gears and Rollers No. of Gear No. of Gear Roller Name Roller Name Teeth Teeth Main Motor (Ml ) Upper Fusing Roller 2 8 / 3 8 / 1 2 6 Face-Down Exit Roller 14139 39/48 Exit Roller Face-Up P/C Drum...

  • Page 64: Fusing Unit

    /Action Laser 1000/1500 Service Manual Operating Principles Paper Take-Up Sensor and Paper Exit Sensor 2.1.2.2 sensor has three functions: the top edge of paper. The engine starts when the detection signal is received. To detect paper size. The printer detects the time it takes for paper to pass the paper take-up sensor during paper feeding.

  • Page 65: Scanner Mirror Motor Control

    Manual following figure shows the temperature control procedure. Power On [See ] 1A-1) degree C) Figure 2-20. Temperature for Control Procedure If the following conditions are detected, the printer indicates a error (the LCD displays SERVICE REQ. . The thermistor temperature does notreach55°C within 15 sec.

  • Page 66: Laserdiode Drive

    Laser 1000/1500 Service Manual Operating Principles Laser Diode Drive 2.1.2.5 drive circuit. Laser diode emission is controlled by three signals Figure 2-23 shows the laser diode DATA, DA1, from the engine controller board Laser Diode S SCAN SOS Mirror L DATA SOS sensor Engine Controller Board...

  • Page 67: Bias Voltage And Laserdrivetiming

    Operating /Action Laser 100W15OO Manual If the is not detected, printer diode malfunction. the scanner also indicates a diode malfunction. motor (M2) does not rotate, the printer Scanner Motor On [sec.] LDATA Figure 2-26. Laser Diode Error Detection 2.1.2.6 Bias Voltages and Laser Drive Timing Figure 2-27 is a diagram of the drum charge bias voltage, image transfer bias voltage, doctor blade bias voltage, and the developing bias voltage control circuit.

  • Page 68: Figure 2-28. Print Process

    Laser 1000/1500 Service Manual Operating Principles power sequence. During the power 2-28 is process, Figure 2-29 is the sequence (initialization), the printer detects mechanical errors. Brush Charging Laser Exposure Development Figure 2-28. Print Process Temperature 165 degree C Power On [sec.] 1.61 Polygon Motor...

  • Page 69: Fan Motor Control

    Laser 100WI5OO Service Manual Principles Figure 2-31 is the end of the print sequence. printer stops the main motor (Ml) from rotatin& when the paper exit sensor turns off after 2.53 seconds. Main Paper Exit Sensor Off [Sec.] Drum 1.27 1.26 >...

  • Page 70: Video Controller Operation 2-16 2.2.1

    Laser 1000/1500 Service Manual Operating Principles 2.2 VIDEO CONTROLLER OPERATION video controller section generates the video signals for the received data. The video controller section is separate in the board, the ROM-B board (if installed), and the The control panel is to the engine controller board but is control panel.
  • Page 71 Operating Principles /Action Laser 100LV15OO Service Manual Table 2-2 lists the functions of the MAIN board main elements. Table 2-2. Functions of MAIN Board Main Elements Location Function Element The CPU, which operates at 16.67 MHz, manages the video 68000 controller operation.
  • Page 72 Laser 1000/1500 Service Manual Operating Principles Print data and commands transmitted from the host computer via parallel, serial, or optional interfaces are read using the interrupt process of the CPU and stored in the DRAM input buffer. The capacity of the input buffer can be specified by setting.

  • Page 73: Bus Control Circuit

    Laser 100W15OO Service Manual Operating Principles 2.2.1.1 Reset Circuit CPU contains the reset terminal, which is bidirectional and initialize the system either from inside or outside the CPU. The entire system (the CPU and the external devices) can be initialized if both the HALT (CPU pin 20) signal and the RESET signal (CPU pin 21) are active simultaneously.

  • Page 74: Interrupt Control

    Laser 1000/1500 Service Manual Operating Principles 2.2.1.3 Interrupt Control priority of the interrupt and outputs it to terminals standard cell determines the Then an interrupt is sent to the CPU. If the CPU accepts the interrupt, terminals all go HIGH to indicate the interrupt acceptance to the standard cell.

  • Page 75: Parallel Interface Circuit

    ActionLaser 1500) cannot use the non-intelligent optional serial interface (model C82305*/C82306*). Data Interface Transmit Signal Interface Figure 2-42. Circuit 2.2.1.7 Optional Type-B Interface This printer supports an Epson Type-B interface, is controlled by the and BIF optional which signals from the standard 2-21 Rev.

  • Page 76: Operating Principles

    Table 2-3 lists the functions of the main elements of the ROM-B board. Table 2-3. Functions of ROM-B Board Element Location Function Working area for This ROM stores the following: 8M or PCU5 (EPSON mode 4M ROM fonts for map fonts (Landscape) From Data MAIN PAL16R4 (Not (Not >...

  • Page 77: Disassembly And Assembly

    Disassembly and Assembly Chapter 3 Table of Contents GENERAL INFORMATION 3.1.1 Precautions for Disassembly/Assembly ......3-1 3.1.2 , .............3-1 3.1.3 Small Parts .

  • Page 78: List Of Tables

    Figure 3-17. Removing the Fan Motor .......3-15 Figure 3-18. Removing the Fusing Unit ......3-15 Figure 3-19.

  • Page 79: General Information

    Laser 100W5OO Service Manual 3.1 GENERAL INFORMATION This chapter describes the disassembly/assembly procedures to be used for replacing the main of the 3.1.1 Precautions for Disassembly/Assembly Follow the precautions below when disassembling/assembling the printer. Disconnect the power cord before Be sure to handle unit because the is still hot for a while...

  • Page 80: Small Parts

    Laser 100WI5OO Service Manual Assembly 3.1.3 Small Parts following sections, abbreviations are used for parts, such as screws and washers. Tables In the 3-2 and 3-3 list these abbreviations. Table 3-2. Abbreviations Used for Screws Part Name Abbreviation Cross-recessed Pan head CP screw Cup head CC screw...

  • Page 81: Adjustments

    Is the gap between the top edge of the paper and line in the feature print exactly 32.4 Print position Adjustment mm (EPL-5000 or ActionLaser 1000) or 33.5 mm 1500)? IS it the ROM version Is toner and dust removed from the paper path?

  • Page 82: Disassembly And Assembly

    3.2 DISASSEMBLY AND ASSEMBLY This section describes and illustrates the procedures for removing and disassembling the components of the EPL-5000/5200 and ActionLaser 1000/1500. Cleaning is described in Chapter 6. The assembly procedures are not described, except for special notes where necessary, because assembly can be accomplished by performing disassembly in reverse.

  • Page 83: Upgrade Board Rom-B) Removal

    EPL-&XXV52iXl/Action Laser Manual 3.2.1.2 Upgrade Board ROM-B) Removal Remove the video (C108 MAIN board). (Refer to Section 2. Remove3CP screws from the upgrade board. 3. Remove the upgrade board from board ure 3-6. Figure 3-5. Removing the 3 Screws Upgrade oard 3.2.1.3 Control Panel Removal cartridge.

  • Page 84: Housing Removal

    Laser 100W15OO Service Manual Disassembly and Assembly 3.2.2 Housing Removal This section describes how to remove the cases and the rear frame. Case Removal 3.2.2.1 Remove the video controller board (C108 MAIN board). (Refer to Section Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or place it in a dark area.

  • Page 85: Rear Frame Removal

    Laser Service Manual 3.2.2.2 Rear Frame Removal Remove board MAIN board). (Refer to Section Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or place it in a dark area. Remove the control panel. (Refer to Section 3.2.13.) Remove the paper cover.

  • Page 86: Disassemblingthe Engine

    Laser 1000/1500 Service Manual Disassembly and Assembly 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 Remove the video controller board (C108 MAIN board). (Refer to Section Open the top cover.

  • Page 87: Power Supply Unit Removal

    Laser 10LW15OO Service Manual Disassembly and Assembly 3.2.3.2 Power Supply Unit Removal Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or place it in a dark area. Remove the control panel. (Refer to Section Remove the paper cover.

  • Page 88: Interlock Switch Removal

    Laser 1000/1500 Service Manual Disassembly and Assembly Interlock Switch Removal 3.2.3.3 Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or place it in a dark area. 2. Remove the control panel. (Refer to Section 3.2.1.3.) 3.

  • Page 89: Unit Removal

    Laser Service Unit Removal 3.2.3.4 Do not touch the unit except at the time of replacement. Do not open the unit under any conditions. Do not remove the unit any condition. Do not loosen the 2 screws that secured with a black paint (shown in position A in the Do not loosen the 2 screws (shown in position the figure) 1.

  • Page 90: Paper Empty Sensor Removal

    Laser 1000/1500 Service Manual Disassembly and Assembly 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 the or place it in a dark area. 2. Remove the control panel. (Refer to Section 3.2.1.3.) 3.
  • Page 91 Disassembly and Laser Service Manual High Voltage Supply Board Removal 3.2.3.6 1. Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or place it a dark area. 2. Remove the control (Refer to Section 3.

  • Page 92: Main Motor (Ml) Removal

    Laser 1000/1500 Service Manual Assembly 3.2.3.7 Main Motor (Ml) Removal Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or it in a dark area. Remove the control panel. (Refer to Section Remove the paper cover.

  • Page 93: Fan Motor (M3) Removal

    Laser Service Manual 3.2.3.8 Fan Motor Removal Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or place it in a dark area. 2. Remove the control panel. (Refer to Section 3. Remove the paper cover. 4.

  • Page 94: Unit Disassembly

    Laser 1000/1500 Service Manual Disassembly and Assembly 3.2.3.10 Fusing Unit Disassembly This section describes the removing the paper exit sensor, heater lamp, cleaning, lower fusing roller, and upper fusing roller. Remove the fusing unit. (Refer to Section 3.2.3.9.) 2. Remove the paper exit sensor. 3.

  • Page 95: Image Transfer Roller Removal

    3.2.3.11 Image Transfer Roller Removal the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or place it in a dark area. Remove the control panel. (Refer to Section Remove the paper cover. Remove the left and right covers.

  • Page 96: Papertake-Up Roller Removal

    Disassembly and Assembly Laser 1000/1500 Service Manual 3.2.3.12 Paper Take-Up Roller Removal Open the top cover. Remove the imaging cartridge. Cover the imaging cartridge to protect it from the light or place it in a dark area. Remove the control panel. (Refer to Section 3.2.1.3.) Remove the paper cover, Remove the left and right covers.
  • Page 97 Disassembly and Assembly Laser 1000/1500 Service Manual the roller cover. 17. Remove 1 E-ring on the paper take-up clutch, and remove the paper take-up clutch. Remove 2 E-rings and left bushings on the paper take-up roller shaft. Remove the paper take-up roller. Paper Take-Up Clutch Figure 3-24.
  • Page 98 Chapter 4 Adjustment Table of Contents 4.1 ADJUSTMENT 4.1.1 Print Position Adjustment ........4-1 List of Figures Figure 4-1. Print Position Adjustment ........4-1 Figure 4-2.
  • Page 99 Laser 100W15OO Manual Adjustment 4.1 ADJUSTMENT This section describes the adjustment procedure for the 1000/1500. This adjustment must be performed after every servicing operation, especially when any component or part is replaced. 4.1.1 Print Position Adjustment You can adjust the vertical print position on a sheet of paper by turning the image synchronizing volume control on the engine controller board After the engine driver board replaced, be sure to adjust the print position following the procedure below.
  • Page 100 Laser 1000/1500 Service Manual Adjustment While holding the control panel, adjust the image synchronizing adjustment volume the engine controller board so that the gap for the print position of the horizontal line (vertical print position) becomes 32.4 mm (1.27 inch) for the 1000 or 33.5 mm (1.32 inch) for the 1500.
  • Page 101 Chapter 5 Troubleshooting Table of Contents 5.1 OVERVIEW 5.2 SELF-DIAGNOSTIC FUNCTION 5.3 TROUBLESHOOTING TOOL 5.4 TROUBLESHOOTING 5.4.1 Troubleshooting of Abnormal Operation ......5-2 5.4.2 Print Quality Anomaly .

  • Page 102: Self-Diagnostic Function

    Laser Service Manual 5.1 OVERVIEW Troubleshooting most other page printers is difficult to perform, since there maybe wide variety of problems. Unlike with most impact or other types of non-impact printers, with a page printer, even a trivial failure may result a serious quality ActionLaser 1000/1500 have a...

  • Page 103: Troubleshooting

    Laser 1000/1500 Service Manual Troubleshooting 5.3 TROUBLESHOOTING TOOL There is an extension cable provided for this printer to check the waveforms of the video controller board. You can remove the video controller board (C108 MAIN board) from the board slot and still check its waveforms by the board to this cable.

  • Page 104: Table 5-4. The Printer Does Not Operate At All

    Laser Service Manual Table 5-3. Symptoms and Reference Table (Continued) Reference Symptom Printer Condition Table 5-17 SERVICE REQ. The LCD displays SERVICE REQ. The LCD displays SERVICE REQ. 5-18 SERVICE REQ. The LCD displays SERVICE REQ. 5-19 SERVICE REQ. The LCD displays SERVICE REQ. 5-20 SERVICE REQ.

  • Page 105: Table 5-6. The Lcd Displays Cover Open

    Laser 1000/1500 Service Manual Troubleshooting Table 5-5. The Printer Does Not Start RAM Check Solution Cause Step Checkpoint Finding Replace the MAIN The video controller board Replace the board, does the printer start MAIN board) maybe MAIN board. the RAM check? dead.
  • Page 106 Troubleshooting Laser Service Manual Table 5-9. LCD Displays FEED JAM Finding Cause Step Checkpoint Solution Connector for paper take-up Connect it. Is connector disconnected? solenoid may be disconnected. Disconnect connector on the board and check coil resistance between pin 7 and pin 8 on Replace the paper the disconnected cable side solenoid.

  • Page 107: Table 5-10. The Lcd Displays Feed Jam For Lower Paper Cassette

    Laser 1000/1500 Service Manual Troubleshooting Table 5-10. The LCD Displays FEED JAM for Lower Paper Cassette Checkpoint Finding Solution Cause Step Disconnect connector on the lower paper cassette circuit board and check the coil resistance between pin 1 and pin 2 on the Replace the paper take-up solenoid.

  • Page 108: Table 5-16. The Lcd Displays Service Req

    Laser 1000/1500 Service Manual Table 5-16. The LCD Displays SERVICE REQ. Checkpoint Finding Solution Cause Step The connector for the the connector for the Connect it. thermistor may be thermistor disconnected? disconnected. Does the heater lamp Replace the board maybe remain lit up until an error board.
  • Page 109 Lasar Service Manual Table 5-18. LCD Displays SERVICE REQ. Step Solution Cause Checkpoint Finding Connector Is connector on the board may be board disconnected? disconnected. The fan motor may be — — Replace it. dead. Table 5-19. The LCD Displays SERVICE REQ. Step Checkpoint Finding...

  • Page 110: Table 5-28. The Lcd Displays Another Service Req. Error

    Laser 1000/1500 Service Manual Troubleshooting Table 5-24. The LCD Displays SERVICE REQ. Step Checkpoint Finding Solution Cause Replace ROM The ROM on the — — on the MAIN MAIN board may be board. bad. Replace MAIN The Cl 08 MAIN board —...

  • Page 111: Print Quality Anomaly

    Laser Service Manual 5.4.2 Print Quality Anomaly This section describes how to isolate a print quality problem from the possible causes. Table 5-29. Print Quality Anomaly Remedy Symptom Possible Cause Part Name Check Item Shake the imaging Low image density. Check the toner Imaging in the imaging...
  • Page 112 Laser Manual Table 5-29. Print Quality Anomaly (Continued) Remedy Check Item Part Name Possible Cause Symptom Check whether the Reinstall the imaging Imaging print imaging cartridge is cartridge. cartridge Poor installed development Replace the — board board. Replace the Improper —...
  • Page 113 Laser 100W5OO Service Manual Table 5-29. Print Quality Anomaly (Continued) Remedy Parts Name Check ttem Possible Cause Symptom Clean the fusing lines Fusing roller roller. and bands. Improper fusing Replace the Thermistor — thermistor. Replace the Defective unit — unit. unit Check the Replace the image...
  • Page 114 Laser 100WI5OO Service Manual Troubleshooting Table 5-29. Print Quality Anomaly (Continued) Check Item Remedy Possible Cause Parts Name Symptom Black specks or dots Shake the imaging Imaging cartridge. Replace the cartridge Poor imaging cartridge. ABC DE. development Replace the board board.
  • Page 115 Maintenance Chapter 6 Table of Contents 6.1 MAINTENANCE 6.1.1 User Maintenance ......... 6.1.1.1 Cleaning .

  • Page 116: Maintenance

    Maintenance Service Manual 6.1 MAINTENANCE 1000/1500 are page printers that use an printing method. Unlike with most impact or ink-jet the key components in the process are integrated into an expendable cartridge (the imaging cartridge). Therefore, periodic replacement of the imaging cartridge is essential to ensure output.

  • Page 117: Consumable Replacement

    EPL-5000/5200 Action Laser 1000/1500 Service Manual Maintenance 6.1.1.2 Consumable Replacement This printer uses consumable imaging cartridge SO51O11. The life of this cartridge is 6000 pages, when printing on A4 or letter size pages with a print ratio. If printed images become faint, you may recover darker printing by shaking the imaging cartridge.
  • Page 118 Maintenance Manual Reset the TONER Setting This printer does not have a toner out sensor, but it does have toner counter in on the MAIN board. Y must reset the this counter when replacing the counter reset procedure has the two options below: LCD displays -- YES, PRESS RESET –...

  • Page 119: Service Maintenance

    1000/1500 Service Manual Maintenance 6.1.2 Service Maintenance This section describes the periodic service maintenance and cleaning required. 6.1.2.1 Periodic Service Maintenance The following units require periodic service maintenance, because they are subject to functional deterioration as the total number of printed pages increase, resulting in bad print quality. Table 6-2.

  • Page 120: List Of Figures

    Appendix Table of Contents A.1 CONNECTOR PIN ASSIGNMENTS A.1.1 Video Controller Board (C108 MAIN Board) ..... . A-4 A.1.2 Engine Controller Board (PWB-A Board) ......A-9 Power Supply Board (PWB-E Board) .
  • Page 121 List of Tables A-1. Board Connector ......’..A-3 A-2. Assignment ........Table A-3.
  • Page 122 Laser Service Manual A.1 CONNECTOR PIN ASSIGNMENTS Figures A-1 and A-2 illustrate the interconnection of the components. Table A-1 gives primary size and a description of each connector. Video Controller Board (C108 MAIN Board) Parallel l/F Option ....
  • Page 123 Laser 1000/1500 Service Manual Appendix Figure A-2. Cable Connections for the Engine Section Rev.
  • Page 124 Service Manual Table A-1. Board Connector Summary ..Description Pins Reference Video Controller MAIN parallel interface 36 pins Table 1-13 Serial interface 25 pins Table 1-14 Connector for upgrade board ROM-B Table A-2 board) Connector for upgrade board...
  • Page 125 Laser 1000/1500 Service Manual Appendix Video Controller Board (C108 MAIN Board) Table A-2. CN3 Pin Assignment Description Pin No. Signal Name Ground 3 , 4 Data bus bit 2 Data bus bit 3 Data bus bit O Data bus bit 1 Data bus bit 6 Data bus bit 7 Data bus bit 4...
  • Page 126 Manual Table A-2. Pin Assignment (Continued) Signal Name Description Pin No. Read/write signal type signal 1 type signal 2 Data acknowledge signal type signal O Font 1 select ROM select Program PROGENB Read enable HALT signal Clock from CPU MCLK SCLK I DO Board identification O...
  • Page 127 Laser 1000/1500 Service Manual Appendix Table A-4. CN5 Pin Assignment Description Signal Name Pin No. Address strobe LDSX Lower data strobe — Not connected Font cartridge enable Address bus bit 2 Address bus bit 4 Address bus bit 6 Address bus bit 8 Address bus bit 10 Address bus bit 12 Address bus bit 14...
  • Page 128 Appendix ion Laser Manual Table A-5. Pin Assignment Pin No. Signal Name Description — Transmitted data READY Ready signal Received data — Not connected RESET signal l/F disabled Request command l/F ready Data read request Write enable Read enable Chip select —...
  • Page 129 Laser 1000/1500 Service Manual Appendix Table A-7. CN8 Pin Assignment Pin No. Signal Name Description Switch interrupt — ‘ Ground LCDWRX Write strobe to LCD Clock to LCD SWRDX Read strobe to switch LEDWRX Write enable to LED Data bus bit O Address bus bit 1 Data bus bit 2 Data bus bit 1...

  • Page 130: Pin Assignment

    Appendix Lacer Service Manual A.1.2 Engine Controller Board (PWB-A Board) Table A-8. Pin Assignment Description Pin No. Signal Name M2 drive clock M2 look signal drive — Ground — — Laser data LDATA — Ground Laser power adjust 1 Laser power adjust 2 Laser power signal Horizontal synchronous signal SSCAN...
  • Page 131 Appendix Laser 100W15OO Service Manual Table A-1 1. Pin Assignment Description Signal Name Pin No. Ml phase B control Ml phase A control Ml phase B clock Ml phase A clock — Ground 5 , 6 — 7 , 8 —...
  • Page 132 Appendix Laser 1000/1500 Service Manual High Voltage Supply Board Board) A.1.4 Table A-16. Pin Assignment Description Signal Name Pin No. — M3 control Table A-17. Pin Assignment Signal Name Description Pin No. — Ground GND1 A-11 Rev.
  • Page 133 Appendix Laser 100W15OO Service Manual --0- ..- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - .
  • Page 134 Manual . — — — — — — . >* 1 1 1 1 1 [ 1 1 ‘ 1 — Figure A-5. Control Panel Circuit Diagram Rev. A-14...
  • Page 135 Laser 100W15OO Service Manual Appendix , , , . “ Figure A-6. PWB-A Board Circuit Diagram Rev. A-15...
  • Page 136 Laser 100LW5OO Service Manual Appendix .--m > > — u > Figure A-7. Basic Circuit Diagram Rev. A A-16...
  • Page 137 Appendix 1000/1500 Service Manual A.3 CIRCUIT BOARD COMPONENT LAYOUT Figure A-8. C108 MAIN Board Component Layout (Front Side) A-17 Rev.
  • Page 138 Laser Service Manual Appendix “ o Figure A-9. C108 MAIN Board Component Layout (Back Side) Rev. A...
  • Page 139 Laser 10QW15OO Manual Appendix Figure A-10. ROM-B Board Component Layout (Front Side) – ‘ 200934600 Figure A-Il. ROM-B Board Component Layout (Back Side) A-19 Rev.
  • Page 140 Appendix Table of Contents GENERAL INFORMATION MAIN COMPONENTS MAIN-B Board........B-1 MAIN-B BOARD OPERATION CONNECTOR PIN ASSIGNMENTS CIRCUIT DIAGRAM...
  • Page 141 Appendix B 100WI5OO Manual GENERAL INFORMATION This chapter describes only differences between the current 1500 and 1500. 1500 is changed Video Controller Board. The current 1500 used Video controller boards for MAIN board and ROM-B board, and the new 1500 used board only.
  • Page 142 Appendix B 100W15OO Service Manual There are two types of MAIN-B boards used as after service parts. The following table shows differences in Table B-1. Differences in Components for the MAIN-B Board Taiwan Action Laser 1S00 Serial interface Milli type Inch screw type Mini screw type connector...
  • Page 143 . DRAM management, with the cell . Video signal switching This ROM stores the following: . Basic operating program . PCU5 EPSON emulation mode program 16M ROM emulation mode program . Fonts This ROM is the GQ (GQ mode program and GQ...

  • Page 144: Pin Assignments

    Appendix B 100WI5OO Manual PIN ASSIGNMENTS B.4 CONNECTOR Figures B-2 illustrate the of the primary components. Table B-3 gives the size and a description of each comector. Video Controller (C108 MAIN-B Board) Parallel l/F Option l/F ....Optional Board Card .
  • Page 145 Appendix B 1000I15OO Manual Table B-3. Board Connector Summary Description Connector Pins Reference Controller Board MAIN-B parallel interface 36 pins Table 1-13 Serial interface 25 pins Table for optional board 84 pins Table Connector for optional board 16 pins Connector Table for HP font cartridge Connector...
  • Page 146 Appendix B 1000/1500 Service Manual B.6 CIRCUIT BOARD COMPONENT LAYOUT - - - - - - - — -— Figure B-4. CI08 MAIN-B Board Component Layout (Front) Rev. C...
  • Page 147 Service Manual Appendix B ---- Figure B-5. CI08 MAIN-B Board Component Layout (Back) Rev. C B-10...
  • Page 148 Appendix C Table of Contents GENERAL INFORMATION FEATURES SPECIFICATIONS INTERFACE SPECIFICATIONS OPERATING INSTRUCTIONS Control Panel ..........C-3 Optional .
  • Page 149 Service Manual Appendix C GENERAL INFORMATION This chapter describes only differences between the current is changed Video Controller Board and Control Panel. supports (HP LaserJet 4L emulation). FEATURES This section describes the features. 1000 has HP 4L emulation mode 22built-unscalable fonts (14 Windows True Type and 8Agfafonts) (PostScript”...
  • Page 150 Service Manual Appendix C SPECIFICATIONS This section provides statistical data for the Built-in modes HP LaserJet 4L emulation EPSON GL/2 mode mode and mode) ) emulation mode LQ (LQ-2500) emulation mode EpsonScript level 2 (PostScript level 2) emulation Optional modes: See Table C-2.

  • Page 151: Indicator Lights

    Appendix C Service Manual INTERFACE SPECIFICATIONS is equipped with the following external interfaces: parallel interface Type B interface parallel interface specifications of is same as (Please refer SERVICE MANUAL) OPERATING INSTRUCTIONS This section describes the functions performed through the control panel, such as test print, hexadecimal dump, and functions.
  • Page 152 Manual Appendix C Buttons ON LINE/EXIT This button is ON LINE: This button switches the printer between on line and off line mode. invalid in mode, but is effective in the hex dump mode. EXIT: Exits mode. Enters Level 1. LEVEL 1: LEVEL 2: Enters...
  • Page 153 By installing additional you can increase the printer’s memory to a total 5MB, including the resident memory. EPSON supplies several types of SIMM memory options. Other can be purchased from other vendors. Be sure that the SIMM meets the requirements listed below.
  • Page 154 Service Manual Appendix C DIFFERENCES IN COMPONENTS The different components are main board and control panel. The is used MAIN-B board, and the is used MAIN-B board. MAIN-B board and the MAIN-B board are same function. The differences between parts in the MAIN-B board and the MAIN-B board areas following table.
  • Page 155 Appendix C Service Manual - - - ml-10 0 0 0 0 0 0 0 0 - - - - - - - - Figure C-2. C154 MAIN-B Component Layout (Front) Rev. E...
  • Page 156 Service Manual Appendix C ‘ C154MAIN-B ..— - — ..— . — . . ’ M27C4OOI-1OXFIL ‘ I’I27C4OO1-1OXF1L — — –1 Rn30 — - - 1 Figure C-3. C154 MAIN-B Component Layout (Rear) Rev.

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