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EPSON EPL-5900/EPL-5900L

Revision B

Operating Principles

Operating Principles of Electric Circuitry

2.3 Operating Principles of Electric Circuitry

2.3.1 Operation Overview of the Main Control Circuit

Board

<EPL-5900>

EPL-5900 succeeds to major features of EPL-5800, but its performance is improved in the
following points:

Processing speed enhanced by use of Toshiba CPU “TMPR4955A”

Totally improved memory control and I/O control integrated ASIC: DLC

Data bus clock of 66.7MHz

8 MB standard memory

Totally improved ROM ensures higher-speed access to ROM

USB mounted

CONSTITUTION OF MAIN CONTROL CIRCUIT BOARD

Main Board Assy:
C427MAIN (WW spec)

Memory Board Assy:
C427PROG (IPL+ code + font) (initial products)
C427PROG-B (IPL+ code + font) (by stable production)

MAJOR ELEMENTS

Table 2-10. Major Elements

Name

Location

Remarks

CPU / Clock

IC100

TMPR4955AF-200 / 200MHz

ASIC

DLC:
E05B96BA

IC101

Memory control and I/O control integrated
ASIC

ROM
DIMM

Standard ROM
DIMM

IC5

IPL, code, font, SDRAM

OPTION

CN301

Option
1 slot for local language and extension ROM,
ConvROM (Board C). +3.3V DIMM.

onboard SDRAM

IC7

Mounted on the DIMM for code.
64Mbit(x32): one 8MB

SDRAM DIMM

CN201

For printer memory expansion (1 slot)
New 90pin. 16, 32, 64, 128 MB

EEPROM

IC102

128Kbit, serial type, for storage of printer
settings

Summary of Contents for EPL-5900

Page 1: ...EPSON EPL 5900 EPL 5900L Monochrome Page Printer SERVICE MANUAL SEPG01005 ...

Page 2: ...ce All effort have been made to ensure the accuracy of the contents of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other p...

Page 3: ...E MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS 4 WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE LISTED...

Page 4: ...he following additional information for reference Connector pin assignments Electric circuit boards components layout Electrical circuit boards schematics Exploded diagram Parts List Symbols Used in this Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action Be aware o...

Page 5: ...observe precautions Parts requiring special attention in this product will include a label containing the mark shown on the left plus precautionary notes Be sure to observe the precautions Be sure to observe the Safety Information given in the Operator s Manual 2 Before starting the procedures be sure to unplug the power cord This product contains a high voltage unit and a circuit with a large cur...

Page 6: ...ult in a burn Wait until these parts have cooled down before replacing them or any surrounding parts 8 Maintain a grounded connection at all times This item may not apply in the USA Be sure to connect the ground wire to the ground terminal even when performing an inspection or repair Without proper grounding electrical leakage could result in an electric shock or fire Never connect the ground wire...

Page 7: ... the mechanism could result in an electric shock or fire Never use a flammable spray near the product This could result in a fire Make sure the power cord is unplugged before removing or installing circuit boards or plugging in or unplugging connectors Always use the interlock switch actuating jig to actuate an interlock switch when a cover is opened or removed The use of folded paper or some othe...

Page 8: ...5 Precautions for the Laser Beam Only for Products Employing a Laser Removing the cover marked with the following caution label could lead to possible exposure to the laser beam resulting in eye damage or blindness Be sure to unplug the power cord before removing this cover If removing this cover while the power is ON is unavoidable be sure to wear protective laser goggles that meet specifications...

Page 9: ...le PWB or functional unit and does not give troubleshooting procedures applicable within the defective unit All troubleshooting procedures contained herein assume that there are no breaks in the harnesses and cords and all connectors are plugged into the right positions The procedures preclude possible malfunctions due to noise and other external causes PRECAUTIONS FOR SERVICE Check the area surro...

Page 10: ...a board be sure to use one of the rating marked on the blown fuse Always note the rating marked on the fuse as the rating and mounting site or number used are subject to change without notice PRECAUTIONS FOR CIRCUIT INSPECTION Never create a closed circuit across connector pins except those specified in the text and on the printed circuit When creating a closed circuit and measuring a voltage acro...

Page 11: ...RUM Only for Products Not Employing an Imaging Cartridge During Transportation Storage Use the specified carton whenever moving or storing the PC Drum The storage temperature is in the range between 20 C and 40 C In summer avoid leaving the PC Drum in a car for a long time Handling Ensure that the correct PC Drum is used Whenever the PC Drum has been removed from the copier store it in its carton ...

Page 12: ...edge and off the surface of the PC Drum B Turn the PC Drum slightly and wipe the newly exposed surface area with a CLEAN face of the Dust Free Cotton Pad Repeat this procedure until the entire surface of the PC Drum has been thoroughly cleaned At this time always use a CLEAN face of the dry Dust Free Cotton Pad until no toner is evident on the face of the Pad after wiping 3 Soak a small amount of ...

Page 13: ...ridge in a place that is not exposed to direct sunlight Precautionary Information on the PC Drum Inside the Imaging Cartridge Use care not to contaminate the surface of the PC Drum with oil base solvent fingerprints and other foreign matter Do not scratch the surface of the PC Drum Do not attempt to wipe clean the surface of the PC Drum WARNING Do not throw the toner cartridge or toner into an ope...

Page 14: ...ter for Devices and Radiological Health CDRH of the U S Food and Drug Administration of the U S Department of Health and Human Services DHHS This means that the device does not produce hazardous laser radiation The label shown to page 15 indicates compliance with the CDRH regulations and must be attached to laser products marketed in the United States All Areas semiconductor laser Maximum average ...

Page 15: ... 1 LASERLAITE KLASS 1 LASER APPARAT VAROITUS Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle puolijohdelaser Laserdiodin suurin teho 5 mW aallonpituus 770 810 nm VARNING Om apparaten används på annat sätt än i denna bruksanvisning specificerats kan användaren utsättas för osynlig las...

Page 16: ...select ones with a lens conforming to the above specifications When a disassembly job needs to be performed in the laser beam path such as when working around the printerhead and PC Drum be sure first to turn the printer OFF If the job requires that the printer be left ON take off your watch and ring and wear laser protective goggles A highly reflective tool can be dangerous if it is brought into ...

Page 17: ... Chapter4 provisional A September 20 2001 Formal first release B February 7 2002 Revised The sections listed below are revised Chapter 1 Table 1 47 Printer Messages Only with EPL 5900 Chapter 3 Table 3 1 Service Call Error Engine Related Chapter 7 7 4 Exploded Diagrams Chapter 7 7 5 ASP List ...

Page 18: ...4 Names of Parts of EPL 5900L 29 1 4 Controller Specification 31 1 4 1 Basic Controller Specifications 31 1 4 2 External I F Specifications 32 1 4 2 1 Parallel Interface Specifications 33 1 4 2 2 USB Interface 34 1 4 2 3 Type B Interface Not Available with EPL 5900L 34 1 5 Control Panel 36 1 5 1 External Appearance and Names of Parts 36 1 5 2 List of Panel Settings Only with EPL 5900 38 1 5 2 1 Se...

Page 19: ...Detection of Abnormal Operations 86 3 2 Troubleshooting for Paper Jam 87 3 2 1 Paper Jam when the Power is ON 87 3 2 2 Paper Jam in Paper Feed to Paper Transport 87 3 2 3 Paper Jam in Paper Transport to Paper Eject 88 3 3 Troubleshooting for Abnormal Operations 89 3 3 1 Abnormal Laser 89 3 3 2 Abnormal Polygon Motor 89 3 3 3 Abnormal Main Motor 89 3 3 4 Abnormal Fusing 89 3 3 5 Power Cannot be Tur...

Page 20: ... Switch SW21 Removal 119 4 4 5 Second Paper Feed Solenoid SL21 Removal 120 Chapter 5 Adjustment 5 1 Overview 122 5 2 USB ID Input 123 5 2 1 Installation Procedure for Program 123 5 2 2 Procedure for Program Operation 123 5 2 3 USB ID Confirmation 125 Chapter 6 Maintenance 6 1 Overview 127 6 1 1 Cleaning 127 6 1 2 Maintenance 127 Chapter 7 Appendix 7 1 Connectors 129 7 1 1 Circuit Boards 129 7 1 1 ...

Page 21: ...C H A P T E R 1 PRODUCTDESCRIPTION ...

Page 22: ...chment is available as an option Note This attachment is not a general option It is supplied on user request or tender request The capacity depends on user environment This attachment is not described in manuals or catalogs CONTROLLER FEATURES EPL 5900 High speed controller employing new CPU CPU TMPR4955AF Clock 200 MHz 8 MB fitted as standard RAM and Expandable up to 136 MB Max PCL6 emulation ins...

Page 23: ...host computer almost all data can be printed only with the standard memory High speed processing is realized by use of the expansion circuit hardware Expansion of RAM will enhance the following functions and speed up printing EnhancedMicroGray printing Increasing the size of the receiving buffer High speed printing SOFTWARE FEATURE ONLY WITH EPL 5900 The following modes and resolution are supporte...

Page 24: ...d as options In image printing output results may differ since the ROP and filling methods as well as the half tone screen etc differ 1200 dpi resolution is not supported Only EDO RAM SIMM with an access speed of 60 ns or less is supported for expansion RAM Not compatible with direct connection to a network Can be used as a Shared Printer in both Windows environments and Macintosh environments The...

Page 25: ...n when 16 32 MB RAM SIMM is installed EPL 5900L can not be used in a system incorporating a terminal server or any other device which does not support bidirectional communication 1 2 Basic Specifications 1 2 1 Process Specifications Printer Type Semi conductor laser beam scan and dry one component electromagnetic toner electrophotography Light Source Semi conductor laser Photoconductor Unit OPC or...

Page 26: ...aper Size 600dpi 1200dpi Main Unit Lower Cassette Unit Main Unit Lower Cassette Unit A4 15 sec maximum 16 sec maximum 24 sec maximum 26 sec maximum LGL 16 sec maximum 25 sec maximum LT 15 sec maximum 16 sec maximum 24 sec maximum 26 sec maximum B5 15 sec maximum 23 sec maximum A5 14 sec maximum 22 sec maximum Table 1 5 First Printing Time with EPL 5900L Paper Size 600dpi A4 15 sec maximum LGL 16 s...

Page 27: ...akugata 3 4 70 105 g m2 50 sheets 3 Japanese official postcard 2 Japanese official prepaid postcard 2 190 g m2 Manual feed slot 1 sheet Standard paper plain paper special applications A4 A5 Letter GLT Executive LGL GLG F4 Half Letter B5 Monarch Com 10 DL C5 C6 ISO B5 Yokei 0 4 Yokei 4 4 Yokei 6 4 Chokei 3 4 Chokei 4 4 Kakugata 3 4 Custom size paper 60 163 g m2 500 sheet lower cassette paper size f...

Page 28: ... 8 50 SEF LGL 215 90 355 60 8 50 14 00 SEF EXE 184 15 266 70 7 25 10 50 SEF GLG 215 90 330 20 8 50 13 00 SEF GLT 203 20 266 70 8 00 10 50 SEF F4 210 00 330 00 SEF Japanese official postcard 4 100 00 148 00 SEF Japanese official prepaid postcard 4 200 00 148 00 SEF Transparencies A4 210 00 297 00 LT 215 90 279 40 SEF Labels A4 210 00 297 00 LT 215 90 279 40 SEF Plain Paper Special Applications Mona...

Page 29: ...5 10 50 SEF GLG 215 90 330 20 8 50 13 00 SEF GLT 203 20 266 70 8 00 10 50 SEF F4 210 00 330 00 SEF Japanese official postcard 4 100 00 148 00 SEF Japanese official prepaid postcard 4 200 00 148 00 SEF Transparencies A4 210 00 297 00 LT 215 90 279 40 SEF Labels A4 210 00 297 00 LT 215 90 279 40 SEF Plain Paper Special Applications Monarch 98 43 190 50 3 7 8 7 1 2 SEF 2 Com 10 104 78 241 30 4 1 8 9 ...

Page 30: ...kness 60 to 163 g m2 Lower cassette unit option Supported paper size Either A4 or Letter fixed to only one size Paper thickness 60 to 90 g m2 EPL 5900L Paper tray Regular types of paper or custom size paper within the following feedable paper size range Paper width 76 00 to 216 00 mm Paper length 127 00 to 356 00 mm Paper thickness 60 to 163 g m2 Output Paper Capacity 1 In Environment A see p 55 W...

Page 31: ...sition 399 435 378 7 5 Optional Face up tray 248 32 248 0 2 Lower cassette unit 382 444 137 4 Table 1 13 Stand Alone Outline Dimensions and Weights of EPL 5900L Width mm Depth mm Height mm Weight kg Standard Face down tray in storage position 399 263 256 7 Face down tray and Paper tray in use position 399 406 368 7 Optional Face up tray 248 32 248 0 2 Table 1 14 Outline Dimensions and Weights with...

Page 32: ...e 100 120 V and 220 240 V only Power Consumption Product Lifetime Main Unit 180 000 printed pages or 5 years whichever comes first with periodic part replacement See Table 6 2 Regular Replacement Parts and Consumables Table 1 15 Outline Dimensions and Weights with Options Installed of EPL 5900L Width mm Depth mm Height mm Weight kg Main Unit Face up tray Face down and Face up trays and Paper tray ...

Page 33: ...ith Standards and Regulations 1 2 3 Various Sensors Table 1 17 Noise During standby During printing Main Unit only 30 0dB A 49 0dB A Table 1 18 Various Sensors of EPL 5900 Unit Detectable Matter Sensors Remarks Standard Paper Tray Out of paper Automatic detection by sensor Lower Cassette Unit Out of paper Automatic detection by sensor Paper size Automatic setting with projection on cassette Casset...

Page 34: ...ecial applications super fine glossy glossy film etc Paper that was previously used in a thermal or ink jet printer Transparencies for color photocopiers or color laser printers Sheets already printed on other color monochrome laser printers or photocopiers Sheets of paper stuck together Four leaf printed postcard postcards made for inkjet printing or press sealed postcards Iron print coated paper...

Page 35: ... occurring after paper is replenished 3 Includes 1 mm or more corner fold but does not include less than 1 mm corner fold NOTE 1 Based on use of paper taken from a newly opened package that is free from curls and any deterioration 2 This reliability also applies to 1200 dpi printing with EPL 5900 3 This reliability applies to all the relevant paper feeders Printing Start Position Accuracy With sta...

Page 36: ...personnel to locate and correct the malfunction Table 1 22 Skew Scanning Direction A4 Main scanning direction a b 1 5 mm Sub scanning direction c d 2 0 mm Table 1 23 Skew A4 Between a and b 2 08 Between c and d 1 51 a b c d e f P a p e r f e e d i n g d i r e c t i o n P r i n t a b l e a r e a Printable area Table 1 24 Height of Curl of Printed Pages Paper Size Height Plain paper 30 mm or less Tr...

Page 37: ... not expose to direct sunlight Space Requirements In order to ensure that the printer operates properly provide at least as much space as shown in Figure 1 3 for EPL 5900 and Figure 1 4 for EPL 5900L EPL 5900 Figure 1 3 Required Surrounding Space for EPL 5900 NOTE The space height required is 550 mm or more Table 1 25 Temperature and Humidity Conditions Temperature C Humidity RH Others Printer is ...

Page 38: ... 61 3 101 3 kPa or more 460 760 m Dropping No abnormalities according to JIS Z0200 1994 Level 1 Vibration Frequency 5 100 Hz Sweep time 10 minutes Acceleration 1 G Direction of application 3 dimensional Time of application 60 minutes along each X Y Z axis total of 180 minutes Table 1 26 Temperature and Humidity Conditions Option Temperature C Humidity RH Warranty Period Others Normal Conditions 0 ...

Page 39: ...s Safety Standards Laser Transmission JIS C 6802 1997 21CFR Chapter I Subchapter J Part1040 IEC60825 1 A1 1997 EN60825 1 A11 1996 EMI Electrical Power High Frequency Complies with high frequency control guidelines EN61000 3 2 Class A Electrical Power Consumption Conforms to International Energy Star Program standards Others Toner Conforms to OSHA TSCA and EINECS No materials hazardous to human hea...

Page 40: ...ittent printing density and toner save mode 2 When the handle has been folded 3 The external shape varies with the lives and intended markets Table 1 31 Consumable Specifications for EPL 5900 Name Contents Life 1 Size mm Weight kg Imaging Cartridge Developer Black one component non magnetic toner Pre installed 3 000 sheets 3 W 275 D 97 72 2 H 114 0 4 Replaced 6 000 sheets 3 0 5 Drum Cartridge OPC ...

Page 41: ...ncy 10 100 Hz Sweep time 5 minutes Acceleration 1 G Direction of application 3 dimensional Time of application 60 minutes along each X Y Z axis total of 180 minutes C H E C K P O I N T Neither the pre mounted Imaging Cartridge nor replaced Imaging Cartridge is interchangeable between EPL 5900 and EPL 5900L The Drum Cartridge is interchangeable between EPL 5900 and EPL 5900L common to EPL 5900 and ...

Page 42: ...1 Overall Dimensions of EPL 5900 Figure 1 5 to Figure 1 8 show the overall dimensions of EPL 5900 Figure 1 5 Top View of EPL 5900 Figure 1 6 Right Side View of EPL 5900 Figure 1 7 Right Side View of EPL 5900 with Optional Components Installed Figure 1 8 Right Side View of EPL 5900 with Paper Eject Tray Attachment Installed ...

Page 43: ...re 1 9 to Figure 1 12 show the overall dimensions of EPL 5900L Figure 1 9 Top View of EPL 5900L Figure 1 10 Right Side View of EPL 5900L with Top Cover and Tray Open Figure 1 11 Right Side View of EPL 5900L with Optional Component Installed Figure 1 12 Right Side View of EPL 5900L with Paper Eject Tray Attachment Installed ...

Page 44: ...900 Figure 1 13 Top View of EPL 5900 Figure 1 14 Front View of EPL 5900 Figure 1 15 Right Side View of EPL 5900 Figure 1 16 Left Side View of EPL 5900 Face down Tray Manual Feed Slot Paper Tray Control Panel Top Cover Paper Eject Change Lever Paper Tray Front Cover Right Cover for adding option Paper Tray Paper Tray Front Cover Face down Tray Lock Button Power Switch ...

Page 45: ...Components Installed Figure 1 19 Right Side View of EPL 5900 with Paper Eject Tray Attachment Installed Parallel I F Connector AC Inlet Optional I F mounting slot cover GND screws USB I F Connector Lower Cassette Unit Feeder option Lower Cassette Unit Feeder option Lower Cassette Unit Paper Cassette option Face up Tray option Face down Tray Paper Eject Tray Attachment ...

Page 46: ...es of parts of EPL 5900L Figure 1 20 Top View of EPL 5900L Figure 1 21 Front View of EPL 5900L Figure 1 22 Right Side View of EPL 5900L Figure 1 23 Left Side View of EPL 5900L Face down Tray Paper Eject Change Lever Top Cover LED Panel Paper Tray Paper Tray Right Cover for adding optional component Paper Tray Lock Button Face down Tray Power Switch ...

Page 47: ...iew of EPL 5900L Figure 1 25 Right Side View of EPL 5900L with Optional Component Installed Figure 1 26 Right Side View of EPL 5900L with Paper Eject Tray Attachment Installed Parallel I F Connector AC Inlet GND screws USB I F Connector Face up Tray option Face down Tray Paper Eject Tray Attachment ...

Page 48: ...ndard Parallel IEEE1284 compliant bi directional interface Type B connector Compatibility Nibble ECP Serial USB Option Type B slot 1 slot Control Panel 3 switches and 6 LEDs Installation Format Fixed to the printer body Other A mechanical control function is incorporated Installed emulations PCLXL PCL5e GL 2 FX ESCP2 1239X ESC Page PostScrtipt3 1 1 PostScript3 is optional EPL 5900L CPU TMP95C001 2...

Page 49: ...gure 1 27 Rear View Interface bracket of EPL 5900 EPL 5900L EPL 5900L has the following two external interfaces IEEE1284 parallel interface USB interface NOTE Switching between host interfaces is automatic only Each interface cannot be switched on and off individually Figure 1 28 Rear View Interface bracket of EPL 5900L Type B I F card slot Parallel I F connector IEEE1284 B connector USB connector...

Page 50: ...onds with the defined character string only when redefined Device ID when redefined is as follows xxxxx is user defined character string 1 MFG xxxxx CMD PJL EJL ESCPL2 ESCP9 PRPXL24 01 PCL HPGL2 01 ESCPAGE 04 PCLXL 2 MDL xxxxx CLS PRINTER DES xxxxx CID xxxxx NOTE 1 The hexadecimal value the total number of Device ID characters 2 is input 2 Following text string is added when Adobe PS 3 kit ROM DIM...

Page 51: ...so the PC requires the USB port driver to be installed again 1 4 2 3 Type B Interface Not Available with EPL 5900L EPL 5900 is equipped with one Type B option I F slot as standard Main System Type MTP1200dpi PW10200dt1200dpi PRG rev AP500ma SPD0fast D4 ROM version Printer Name Factory default setting is the same as Product Name Product Name EPL 5900 Emulation Type See Table 1 34 Entity Type See Ta...

Page 52: ...ion Controller Specification 35 Emulation Type When Emulation is set to Auto PS3 not started AUTO Emulation Type 1 2 3 PS3 started EJL POSTSCRIPT 00 other Emulation Type 1 2 3 When Emulation is fixed EJL Default Emulation Type other Emulation Type 1 2 3 ...

Page 53: ...gure 1 29 Control Panel of EPL 5900 1 8 5 6 2 3 7 9 4 Table 1 35 Buttons and LEDs of EPL 5900 No Name Note 1 Information Switch Color Gray 2 Ready LED Color Green 3 Data LED Color Yellow 4 Error LED Color Red 5 Start Stop Switch Color Pale green 6 Job Cancel Switch Color Brick red 7 Memory LED Color Red 8 Toner LED Color Red 9 Paper LED Color Red ...

Page 54: ...rning Check Paper Size error or Optional RAM error Table 1 36 LEDs of EPL 5900L No Name Note 1 Ready LED Color Green 2 Error LED Color Red 1 2 Table 1 37 Meaning of LED Flashing on EPL 5900L Ready LED Error LED Supplement Meaning Off Off Power off On Off Ready to print Flashing Off Warming up receiving data Off Flashing Recoverable Errors Cover Open Out of Paper Replace paper error Paper jam Under...

Page 55: ...re display only Table 1 38 Function Setting 1 Only with EPL 5900 Menu Item Value Information Menu Status Sheet AUX Status Sheet 3 PS3 Status Sheet 1 PS3 Font Sample 1 ESC Page Font Sample 2 LJ4 Font Sample ESCP2 Font Sample FX Font Sample I239X Font Sample Toner E F E F E F E F E F Photocondctr 100 Total Pages 0 99999999 Tray Menu MP Tray Size A4 A5 B5 LT HLT LGL GLT GLG EXE F4 MON C10 DL C5 C6 IB...

Page 56: ...EPL 5900 Menu Item Value Setup Menu Lang English Française Deutsch ITALIANO ESPANOL SVENSKA Dansk Nederl SUOMI Português Time out 0 5 60 300 1 increments Paper Source Auto MP LC 1 MP Mode Normal Last Manual Feed Off On Copies 1 999 Quantity 2 1 999 Paper Type Normal Thick W Thick N Trnsprnc Skip Blank Page 3 Off On Auto Eject Page Off On Size Ignore Off On Auto Cont Off On Page Protect Auto On Ton...

Page 57: ...pecified by Font number setting has not the setting symbol set Font Source Resident Font Number 0 setting is automatically made and therefore to print this symbol set a font must be selected for which the Font Source and Font Number Value are supported by this symbol set Table 1 41 Function Setting 4 Only with EPL 5900 Menu Item Value ESC Page Menu 1 Auto CR On Off Auto FF On Off CR Function CR CR...

Page 58: ...0 mm 0 05 mm Increments Pen6 1 0 05 0 35 5 00 mm 0 05 mm Increments PS3 Menu 2 Error Sheet Off On Table 1 43 Function Setting 6 Only with EPL 5900 Menu Item Value ESCP2 Menu Font Courier Prestige Roman Sans serif Roman T Orator S Sans H Script OCR A OCR B Pitch 10cpi 12cpi 15cpi Prop Condensed Off On T Margin 0 40 0 50 1 50 inch 0 05 inch increments Text 1 66 available Max 81 Lines CGTable PcUSA I...

Page 59: ...ish2 PcIcelandic PcE Europe BpBRASCII BpAbicomp Roman 8 PcEur858 ISO Latin1 8859 15 ISO Country USA France Germany UK Denmark Sweden Italy Spain1 Japan Norway Denmark2 Spain2 LatinAmeric Auto CR On Off Auto LF Off On Bit Image Dark Light BarCode ZeroChar 0 φ I239X Menu Font Courier Prestige Gothic Orator Script Presentor Sans serif Pitch 10cpi 12cpi 15cpi 17cpi 20cpi 14cpi Prop Code Page 437 850 8...

Page 60: ... Plain is selected is performed Transpmcy and Label cannot be set to LC1 Type Other parameters are common to MP Type The correspondence of Paper Type and MP Type setting and the printing media is as follows PARALLEL I F USB I F AUX I F Only interfaces that are set to On by the panel setting can be used by the automatic selection All interfaces are set to On at the factory default setting To use a ...

Page 61: ... X Only parallel is used X X Only USB is used X X Only Type B is used I F automatic selection Automatic selection all interfaces X Automatic selection Parallel and USB X Automatic selection Parallel and Type B X Automatic selection USB and Type B Not effective X X X Returns to the factory default after the Reset All is performed or the power is turned on again ...

Page 62: ...ff Blink 1 Unable Clear Error 3 Status Off Off Exiting Paper Jam Error 4012 On Off Off On Off Paper Jam Error 4008 On Off Off On Off Feed Jam Error 4009 On Off Off On Off Printer Open Error 4002 On Off Off Off Off Manual Feed ssss tttt Error 1013 Blink 2 Off Off Blink 2 Blink 2 Paper Out sssss tttt Error 4010 On Off Off Blink 1 Off Toner Out Error 4001 Blink 2 Off On Off Off Paper Set sssss tttt E...

Page 63: ... relevant printer status This LED can flash or light up if a printer status of a lower priority occurs Collate was disabled Warning 2013 Off Blink 1 Check Paper Size Warning 2004 Off Blink 1 Image Optimum Warning 2002 Off Blink 1 Check Paper Type Warning 2008 Off Blink 1 Need Memory Warning 2003 Off Blink 1 Format Error ROM A Warning 2000 Off Form Feed Status 1008 Off Blink 1 Printing Status Sheet...

Page 64: ...a 1 and Data 2 the Data 2 will be printed in normal mode When the data are sent in the order of Data 2 and Data 1 the Data 1 will be printed in Manual Feed mode Data 1 Page to be printed in Manual Feed mode Data 2 Page to be printed in normal mode Operation Before starting to print the first page of the job in Manual Feed mode the printer displays Manual Feed mode and wait user s pressing of the S...

Page 65: ... NOTE In the 2nd or subsequent Manual Feed mode in a job sheets will be fed from the paper source which was selected by user s operation in the previous Manual Feed mode In the case of double sided printing Printing is carried out in a mode selected for the first page In the case of n up printing set by printer driver Printing is carried out as specified for the first page Others MP Mode SelecType...

Page 66: ...PL 5900L If a problem with insufficient memory occurs in EPL 5900L an underrun error is displayed on the host computer s screen In this case it is necessary to install additional memory Depending on use conditions the recommended RAM capacity is as shown below However there are some cases where an underrun error is displayed even when memory has been expanded if an image of an extremely low compre...

Page 67: ...hes the interface such as a Parallel USB converter is not covered by the warranty When connecting through a USB port operation under Windows 95 is not covered by the warranty 2 Windows ME depends on Microsoft product shipping conditions Table 1 51 Windows System Requirements Windows Minimum Recommended CPU Pentium Clock 100 MHz 233 MHz Memory 16 MB 64 MB Interface IEEE1284 Parallel Standard USB 1 ...

Page 68: ... the Start Stop switch pressed 1 Toner level reset Turn power on with the Start Stop Job Cancel switches pressed 1 2 Photoconductor life reset Turn power on with the Start Stop Information Switches pressed 1 2 Table 1 54 Special Operation 2 Function Methods of operation Initializing EEPROM Turn power on with the Start Stop Job Cancel Information Switches pressed 1 2 Initializing the panel setting ...

Page 69: ...ed When the Paper Out error occurs Undefined However if paper runs out during continuous printing previous value remains When User setting size is the User defined size No modification is added to the paper size NOTE Refer to 1 9 3 Case List 1 9 2 Paper Feed Specifications Paper Set error occurs only once in one document NOTE Refer to 1 9 3 Case List Table 1 55 Paper Feed Specifications Items Spec...

Page 70: ...Paper Size error does not occur However printing speed in continuous printing is reduced due to cleaning after printing When the Printer paper size is undefined the Check Paper Size error occurs in some cases Table 1 56 Case List User setting size A Printer paper size B MP Tray paper size C Relation between B and C Paper Set error Check Paper Size error Printer paper size after printing User defin...

Page 71: ...fuser unit inside the printer is heated to high temperatures once the printer cover is opened to clear paper jam or for some reasons take care not to touch the fuser unit 1 10 3 About the Moist Environment Mode Select Jumper EPL 5900L Jumper switch JP9 on the controller board is a jumper for selecting the moist environment mode This is a switch to be operated to lower the print density in a high h...

Page 72: ...rd 1st print time mode This setting cannot be changed Paper Wave control mode Paper Wave control mode 2 This setting cannot be changed 1 12 Ambient Conditions The ambient conditions to ensure the performance of EPL 5900 EPL 5900L are as follows Environment A Range of ambient conditions to guarantee image quality and paper feed Environment B Range of ambient conditions to guarantee paper feed Envir...

Page 73: ...nting Speed 1200dpi 6ppm 600dpi 12ppm 300dpi 12ppm 600dpi 12ppm Toner Life Pre installed 3000 sheets Replaced 6000 sheets Pre installed 3000 sheets Replaced 6000 sheets 3000 sheets Standard RAM 8 MB 2 MB RAM Expansion 136 MB max 13 MB max Optional ROM Slot 1 slot for PS or IPDS option None None None Type B Slot Supported None None Control Panel 3 switches and 6 LEDs 2 LEDs Main Board Assy C427MAIN...

Page 74: ...streemFont availability Installed Not available Not installed Available WW No setting J OEM Brand Installed OEM Not installed Brand Transfer current setting normal high humidity Open Normal Short High humidity WW spec setting Not installed A4 Not installed default Open normal J spec setting Not installed Font available Not installed brand Open normal Table 1 59 Jumper Setting on C428MAIN DIC Jumpe...

Page 75: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Page 76: ...L 5900 Table 2 1 EPL 5900 Major Components No EPL 5900 Major Components 1 Imaging Cartridge 2 Drum Cartridge 3 Paper Eject Changeover Lever 4 Face up Tray 5 Fusing Separation Claw 6 Paper Eject Sensor PS3 7 Backup Roller 8 Heat Roller 9 Photoconductor OPC Drum 10 Transfer Roller 11 Paper Feed Sensor PS1 12 Lower Cassette Unit 13 Paper Feed Roller 14 Second Paper Feed Roller 15 Paper Empty Detectio...

Page 77: ... 2 2 EPL 5900L Major Components No EPL 5900L Major Components 1 Imaging Cartridge 2 Drum Cartridge 3 Paper Eject Changeover Lever 4 Face up Tray 5 Fusing Separation Claw 6 Paper Eject Sensor PS3 7 Backup Roller 8 Heat Roller 9 Photoconductor OPC Drum 10 Transfer Roller 11 Paper Feed Sensor PS1 12 Paper Feed Roller 13 Paper Empty Sensor PE1 14 Print Head Unit 15 Face Down Tray 16 Paper Tray ...

Page 78: ... Unit 1 EPL 5900L is not equipped with any of the components 11 12 and 13 Figure 2 3 Drive System Table 2 3 Drive System Components No Description 1 Paper Eject Roller Face up 2 Backup Roller 3 Paper Eject Roller Face down 4 Heat Roller 5 Transfer Roller 6 Charging Brush 7 Photoconductor OPC Drum 8 Sleeve Roller 9 Toner Sending Roller 10 Paper Feed Roller 11 1 Connecting Gear 12 1 Lower Cassette U...

Page 79: ...al so that it hits a corresponding position on the OPC drum S1 Power Switch Turns power on off S2 Interlock Switch Turns off all the output power except DC 2V when detecting the opening of the Top Cover PE1 Paper Empty Sensor Detects the absence of paper L when no paper is detected PS1 Paper Feed Sensor Detects feeding of paper L when no paper is detected PS3 Paper Eject Sensor Detects ejection of...

Page 80: ...Function SL21 Paper Feed Solenoid Controls the gear clutch to transmit the driving force from the main motor to the Paper Feed Roller Solenoid ON Driving force is transmitted SW21 Cassette Type Sensor Switch This triple pushbutton switch detects the cassette type determined by the paper size PI2 Paper Empty Sensor on PWB A Detects the absence of paper L when there is paper PWB A Relay Board Relays...

Page 81: ...EPSON EPL 5900 EPL 5900L Revision B Operating Principles Overview 64 2 1 6 Timing Chart At Printing Start At Printing End ...

Page 82: ...talled so that three paper feed methods are available EPL 5900L 1 paper feed method Paper Tray 150 sheets Paper once fed by the paper feed roller is carried through transfer roller fusing roller paper exit roller and ejected to the paper eject tray Figure 2 6 Paper Path EPL 5900 Face down Paper Eject Lower Cassette Unit EPL 5900 Option Print Head Paper Tray Face up Paper Eject Option OPC Drum Ejec...

Page 83: ...hanism in the paper tray the printer detects the length of paper by the ON period of paper feed sensor PS1 and judges the paper size So when sheets of paper have the same length the printer judges the sheets to have the same size even if they are different in width PAPER EMPTY SENSOR Paper empty sensor PE1 is mounted on the upper part of the paper tray and it detects the absence of paper in the pa...

Page 84: ...er separator claw installed at the paper cassette and the elasticity of paper Only one sheet of paper is fed by one paper feed operation The paper feed solenoid SL21 is controlled from the printer side via the relay board PWB A of the Lower Cassette Unit PAPER EMPTY SENSOR The paper empty sensor PI2 is mounted on the relay board PWB A of the Lower Cassette Unit and it detects paper empty absence o...

Page 85: ... to the paper size and it turns the cassette type sensor ON These triple switches enable the printer to distinguish the cassette types paper sizes by ON OFF combinations of the switches Figure 2 10 Cassette Type Sensor Mechanism Table 2 6 Cassette Type Sensor Switches Cassette Type SW21 1 SW21 2 SW21 3 A4 OFF OFF ON B5 ON ON OFF Letter OFF ON OFF Legal ON OFF OFF Exective OFF ON ON No cassette or ...

Page 86: ...s charging method requires a low voltage and excels in homogeneity and stability of the electric potential The pre charging film performs preliminary charging before charging with the rotary brush charging brush to enhance efficiency of charging The rotary brush charging brush is rotated by the driving force which is transmitted from the main motor M1 to the gear of the brush The electric potentia...

Page 87: ...nd printing starts When moving on from the first line to the second line the print starting position is shifted down by delaying the VIDEO signal sending time MAIN SCANNING DIRECTION HORIZONTAL SCANNING DIRECTION The laser diode control board PWB D is equipped with the SOS sensor to unify the timing of the laser emission for every one line of main scanning PRINTABLE AREA The main control board sen...

Page 88: ... sleeve 5 Resin sleeve Conveys toner to the surface of the OPC drum 6 Photoconductor OPC Drum Creates the latent image on the surface by the laser beam Develops the image by the resin sleeve and carries the developed image to the paper surface 7 Toner blade Puts toner in a thin and even layer on the resin sleeve Gives negative charge to toner while the toner is passing through between the toner bl...

Page 89: ...hod ozone generation resulting from corona discharge rarely occurs and the transferred image is little dislocated because the paper is always retained between the drum and the transfer roller during printing A reversed bias is applied to the transfer roller during cleaning of the transfer roller prior to printing The residual electric potential on the paper is removed by the discharge needle Figur...

Page 90: ...e surface temperature of the fusing heat roller and inputs the analog voltage to IC1A 78 Based on the thermistor detected temperature IC1A 55 outputs the heater lamp ON OFF signal According to this signal the heater lamp H1 turns ON lights up and OFF goes out to control the temperature of the fusing components If the heater lamp does not turn OFF even when the thermistor detects too high temperatu...

Page 91: ...roller reaches about 155 C Then the following temperature controls are performed Temperature control mode 1 Keeps temperature at 155 C during printing and at 115 C during standby After continuance of this mode for 90 seconds the printer enters the mode 2 Temperature control mode 2 After continuance of this mode for 208 seconds the printer enters the mode 3 Printing temperature of the fusing roller...

Page 92: ...r either face up ejection or face down ejection Face down ejection Paper is ejected to the face down tray which is located on the top of the printer Face up ejection Paper is ejected to the optional face up tray Face up ejection is available even without optional face up tray Figure 2 19 Face up Face down Changeover Mechanism Table 2 9 Capacity of Paper Exit Trays Capacity of Paper Exit Trays plai...

Page 93: ...peed access to ROM USB mounted CONSTITUTION OF MAIN CONTROL CIRCUIT BOARD Main Board Assy C427MAIN WW spec Memory Board Assy C427PROG IPL code font initial products C427PROG B IPL code font by stable production MAJOR ELEMENTS Table 2 10 Major Elements Name Location Remarks CPU Clock IC100 TMPR4955AF 200 200MHz ASIC DLC E05B96BA IC101 Memory control and I O control integrated ASIC ROM DIMM Standard...

Page 94: ...The table below shows the major specifications for the controller CONSTITUTION OF MAIN CONTROL CIRCUIT BOARD Main Board Assy C428MAIN Table 2 11 Major Specifications for Controller Item EPL 5800L EPL 5800i EPL 5900L CPU Toshiba TMP95C001 System Clock 23 8436MHz 22 74525MHz ROM 0 5MB Standard RAM 2MB Maximum RAM Size 13MB RAM SIMM Slot 1 slot Engine MLT made SP 501 10ppm MLT made SP 601 12ppm Video...

Page 95: ...ray function control Control of LEDs on the control panel Package 208 pin QFP Power voltage 5 3 3V Operation frequency DMAC max 25MHz PIF max 25MHz DCMP max 60MHz PIT max 100MHz TUSB E05B69NB IC21 Control of USB I F Package 64 pin QFP Supply voltage 5V 3 3V Operation frequency max 48MHz TTL SN74LV161284DGG IC7 1284 driver Receiving and transmission of parallel I F signals Power voltage 5V on board...

Page 96: ...C H A P T E R 3 TROUBLESHOOTING ...

Page 97: ... if any such as paper clips staples bits of paper paper dust or toner Clean the inside of the printer and the rubber rolls 3 1 3 Printer Messages EPL 5900 Messages of EPL 5900 are given in the following four types Status Indicates an operation state of the printer Status messages are displayed only when no error is occurring or during initialization Error Indicates that any error has occurred Warn...

Page 98: ...elated Error Code Eggg Explanation Paper LED Toner LED Memory LED Ready LED Data LED Error LED 001 Fuser warming up problem z z 002 Main Motor problem z z 003 Fan problem z z z 004 Polygon Motor problem z z 005 Laser problem z z z 006 High voltage circuit problem z z z 007 Fuser low temperature problem z z z z 008 Fuser high temperature problem z z 014 Engine communication error z z z z ...

Page 99: ... CPU Error Bus error exception Fetch z z z z 0087 CPU Error Bus error exception Load Store z z z z 0088 CPU Error SYSCALL exception z z z 0089 CPU Error Break exception z z z 0090 CPU Error Reservation command exception z z z 0091 CPU Error Coprocessor unused exception z z z z 0092 CPU Error FPU exception z z z z 0093 CPU Error TLB exception z z z 0094 CPU Error XTLB exception z z z 0095 CPU Error...

Page 100: ...1120 ROM Checksum Error bit0 7 program z z z 1121 ROM Checksum Error bit8 15 program z z z 1122 ROM Checksum Error bit16 23 program z z z 1123 ROM Checksum Error bit24 31 program z z z 1180 Optional ROM module A checksum error z z 1181 Optional ROM module B checksum error z z 1185 Unsupported ROM module z z 1200 EEPROM writing error z z z 1210 EEPROM writing limit z z z 1400 Engine initialization ...

Page 101: ...ting Job Collate Printing Standby Warming Up Printing Succeeded Optional RAM Check Error Collate Was Disabled Check Paper Size warning Toner Low Invalid Size Paper Set Front Cover Open Paper Out Toner Cart Out Paper Jam History Exiting Paper Jam Paper Jam Feed Jam Print Underrun Software Error EEPROM Access Error Standard RAM Check Error Data Expansion Error Video Error Engine Error Protocol Error...

Page 102: ... at 1200dpi after the second paper feed unit starts feeding paper 2 The paper feed sensor PS1 is not turned ON between about 0 2 seconds and 1 48 seconds between about 0 4 sec and 2 96 sec at 1200dpi after the multi paper feed tray starts feeding paper the paper feed solenoid is turned ON so that the paper feed roller starts rotating or between about 0 45 seconds and 1 97 seconds between about 0 9...

Page 103: ...y of the following cases If during temperature control the thermistor detects that the temperature exceeds 220 C for 50 msec it is detected as abnormal fusing high temperature The temperature detected by the thermistor within a period from 8 seconds after to 12 seconds after warming up is found below the standard value for 50 msec the thermistor is determined to be in trouble This detection applie...

Page 104: ...r Feed to Paper Transport Step Check Item Remedy 1 Checking the rotation of paper feed rollers 1 Paper feed roller 2 Second paper feed roller Do the paper feed rollers above operate properly Yes Go to Step 2 No Replace the appropriate one of the following parts Paper feed solenoid SL1 p 122 Second paper feed solenoid SL21 p 137 2 Checking the paper Is a specified type of paper used Yes Go to Step ...

Page 105: ...ller expired Yes Replace the transfer roller p 117 No Go to Step 2 2 Fusing roller Is the fusing roller deformed Or is it worn out by friction or is there any dirt Yes Replace the fuser unit p 125 No Go to Step 3 3 Checking the paper eject roller Does the paper eject roller rotate Yes Go to Step 4 No Replace the top cover assembly p 124 4 Lever of eject sensor Does the lever of the paper eject sen...

Page 106: ...ssy p 120 Table 3 6 Abnormal Main Motor Cause Remedy Main Motor M1 does not rotate Replace the main motor M1 p 132 Replace the Main Board Assy p 120 Table 3 7 Abnormal Fusing Step Check Item Remedy 1 Checking the temperature Is the fusing unit warmed up Yes Replace the appropriate one of the following parts Thermistor TH1 p 129 or fuser unit p 125 Main Board Assy p 120 No Go to Step 2 2 Continuity...

Page 107: ...power switch S1 ON Yes Go to Step 2 No Turn the power switch ON 2 Power cord Is the power cord plugged in properly Yes Go to Step 3 No Connect the power cord properly 3 Fuses on the power supply board 1 Fuse F1 2 Fuse F2 Is the fuse F1 or F2 in the power unit PU1 blown Yes Replace the fuse F1 or F2 p 130 No Replace the appropriate one of the following parts Power supply unit PU1 p 130 Main Board A...

Page 108: ...mm OPC Drum φ 30 mm Drum Cartridge p 116 50 3 mm Transfer Roller φ 16 mm Transfer Roller p 117 62 8 mm Heat Roller φ 20 mm Fuser Unit p 125 67 8 mm Backup Roller φ 21 6 mm Table 3 10 Print Quality Problem All White Print Quality Problem Cause Remedy No Imaging Cartridge Install the Imaging Cartridge No toner in Imaging Cartridge Replace the Imaging Cartridge No Drum Cartridge Install the Drum Cart...

Page 109: ...sing roller is dirty Replace the Fuser Unit fusing roller p 125 Transfer roller is dirty Replace the transfer roller p 117 Paper path is dirty Clean the paper path Table 3 14 Print Quality Problem Low Image Density Print Quality Problem Cause Remedy No toner in Imaging Cartridge Replace the Imaging Cartridge Defective OPC drum life has expired Replace the Drum Cartridge Defective developing bias R...

Page 110: ... Line Print Quality Problem Cause Remedy There is scar or damage on the OPC drum Replace the Drum Cartridge Defective print head Replace print head p 123 Replace the Main Board Assy p 120 Table 3 17 Print Quality Problem Offset Image Print Quality Problem Cause Remedy Defective fusing roller Replace the Fuser Unit fusing roller p 125 Defective transfer roller Replace the Transfer Roller p 117 ...

Page 111: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...

Page 112: ...before disassembling or assembling the printer If you need to work on the printer with power applied strictly follow the instructions in this manual Always wear gloves for disassembly and reassembly to avoid injury from sharp metal edges To protect sensitive microprocessors and circuitry use static discharge equipment such as anti static wrist straps when accessing internal components Do not expos...

Page 113: ... the specified torque when tightening screws Apply lubricants and adhesives as specified See Chapter 6 for details Make the specified adjustments when you disassemble the printer See Chapter 5 for details Take following precautions when connecting or disconnecting flat cables 1 To disconnect a flat cable unlock the connector first and then pull out the cable 2 Connect each flat cable with its term...

Page 114: ...wdriver No 1 Available B743800100 Phillips screwdriver No 2 Available B743800500 Mini Phillips screwdriver Slotted screwdriver Available B743000100 Table 4 18 Screws Ref No Nominal Size Name and Specification Appearance 1305 3x6 Pan Head Screw with Spring Washer and Plain Washer Sems 1308 3x8 3501 3x6 Cup Screw 3504 3x8 3907 3x8 Bind B tite Screw 1112 3x6 Bind S tite Screw 3704 3x8 Cup B tite Scre...

Page 115: ...Cartridge Removal p99 Note The components shown with an underline are Regular Replacement Parts Open the Top Cover 4 3 6 Interface Board C409I F Removal p104 4 3 4 Control Panel Removal p102 4 3 7 Left Cover Removal p105 4 3 8 Front Cover Removal p105 4 3 12 Top Cover and Rear Cover Removal p107 4 3 13 Fuser Unit Removal p108 Paper Feed Sensor PS1 Heater Lamp H1 Thermistor TH1 Thermostat TS1 4 3 1...

Page 116: ...low must be removed Imaging Cartridge Drum Cartridge Paper Tray Only with EPL 5900 Face up Tray 4 2 2 Imaging Cartridge and Drum Cartridge Removal 1 Press the Top Cover Release Button and open the Top Cover into the full open position 2 Take out the Imaging Cartridge 3 Take out the Drum Cartridge Figure 4 2 Removal of Minimum Units Imaging Cartridge Face up Tray Paper Tray Drum Cartridge ...

Page 117: ...aft supports and the gear from the removed Transfer Roller and install them on the new Transfer Roller See Figure 4 4 Figure 4 3 Transfer Roller Replacement 1 Figure 4 4 Transfer Roller Replacement 2 C A U T I O N Do not touch the surface of the Transfer Roller nor stain it with chemicals or toner for the dents or dirt on the surface of the Transfer Roller badly affects the print quality When hand...

Page 118: ...dy with its rear side down and remove the Paper Separator Unit Four screws See Figure 4 5 4 3 3 Right Cover Removal 1 Remove the Right Cover Two screws and five hooks See Figure 4 6 Figure 4 5 Paper Separator Unit Removal Figure 4 6 Right Cover Removal Engage the three hooks of the Right Cover with the printer body frame first Paper Separator Unit 3704 3501 Hooks Hooks ...

Page 119: ...embly and Assembly Disassembly and Reassembly of the Printer Body 102 4 3 4 Control Panel Removal 1 Remove the Right Cover See 4 3 3 Right Cover Removal p 101 2 Remove the Control Panel One screw See Figure 4 7 Figure 4 7 Control Panel Removal ...

Page 120: ...r See 4 3 3 Right Cover Removal p 101 2 Remove the Type B Guide Rail and the Type B Cover Two screws NOTE Type B interface is not available with EPL 5900L 3 Disconnect all the connectors on the Main Board Assy first and then remove the Main Board Assy See Figure 4 8 NOTE For connection of connectors refer to 7 1 Connectors p 129 Figure 4 8 Main Board Assy Removal 8 Screws Two Screws Main Board Ass...

Page 121: ...ver Removal p 101 2 Remove the Type B Guide Rail and Type B Cover Two screws NOTE Type B interface is not available with EPL 5900L 3 Disconnect the flat cable first and then remove the Interface Board C409I F Five screws See Figure 4 9 Figure 4 9 Interface Board C409I F Removal Two Screws Type B Guide Rail EPL 5900 Type B Cover EPL 5900 Two Screws Interface Board C409I F Two Screws One Screw ...

Page 122: ...eft Cover and the Paper Separator Unit See 4 3 2 Paper Separator Unit Removal p 101 See 4 3 3 Right Cover Removal p 101 See 4 3 4 Control Panel Removal p 102 See 4 3 7 Left Cover Removal p 105 2 Disengage the two upper hooks of the Front Cover and lift the printer front slightly and disengage the two lower hooks See Figure 4 11 Figure 4 10 Left Cover Removal Figure 4 11 Front Cover Removal C A U T...

Page 123: ... the shaft support 4 Remove the Paper Feed Roller 4 3 10 Printing Head Unit Removal 1 Remove the Right Cover Left Cover Paper Separator Unit and Front Cover See 4 3 2 Paper Separator Unit Removal p 101 See 4 3 3 Right Cover Removal p 101 See 4 3 4 Control Panel Removal p 102 See 4 3 5 Main Board Assy Removal p 103 See 4 3 7 Left Cover Removal p 105 See 4 3 8 Front Cover Removal p 105 2 Pull the co...

Page 124: ...ol Panel Removal p 102 See 4 3 7 Left Cover Removal p 105 See 4 3 8 Front Cover Removal p 105 See 4 3 10 Printing Head Unit Removal p 106 2 Remove the Paper Empty Sensor PE1 and pull out the connector See Figure 4 14 4 3 12 Top Cover and Rear Cover Removal 1 Remove the Right Cover and Left Cover See 4 3 3 Right Cover Removal p 101 See 4 3 7 Left Cover Removal p 105 2 Remove the Top Cover and Rear ...

Page 125: ... Cover Left Cover Top Cover and Rear Cover See 4 3 3 Right Cover Removal p 101 See 4 3 7 Left Cover Removal p 105 See 4 3 12 Top Cover and Rear Cover Removal p 107 2 Remove the Fuser Unit Three screws and three connectors See Figure 4 16 If you need to disassemble the fuser unit because of image quality problems and defective components follow the procedure described in 4 3 14 Fuser Unit Disassemb...

Page 126: ...nd Reassembly of the Printer Body 109 4 3 14 Fuser Unit Disassembly 1 Remove the Paper Eject Sensor PS3 See Figure 4 17 2 Remove the Heater Lamp Holder Cover One screw See Figure 4 18 Figure 4 17 Paper Eject Sensor PS3 Removal Figure 4 18 Heater Lamp Holder Cover Removal 3704 ...

Page 127: ...hooks and separate the Fuser Unit into the upper and lower parts 5 Remove the Backup Roller See Figure 4 20 6 Shift the Front Fusing Guide to the left once and take out the right side of the Front Fusing Guide first and then pull out the left side of the Front Fusing Guide and remove it Figure 4 19 Fuser Unit Separation Figure 4 20 Front Fusing Guide Removal 3704 Front Fusing Guide Backup Roller ...

Page 128: ...d pull the roller out in the 3 direction Figure 4 21 Heater Lamp Removal Figure 4 22 Heat Roller Removal C A U T I O N Do not touch the glass of the lamp with bare hands When installing the Heater Lamp install it so that the Voltage Indicator faces the gear side C A U T I O N To avoid scratching the heat roller surface by the fusing separation claw when removing or installing the roller keep the f...

Page 129: ...ody 112 11 Remove the four Fusing Separation Claws 12 Remove the thermistor TH1 One screw See Figure 4 23 13 Remove the thermostat TS1 Two screws Figure 4 23 Thermistor TH1 Removal When installing the thermistor lead the harness as shown here Back of the Fuser Unit Thermostat TS1 1305 Thermistor TH1 3923 ...

Page 130: ...r and Fuser Unit See 4 3 3 Right Cover Removal p 101 See 4 3 7 Left Cover Removal p 105 See 4 3 12 Top Cover and Rear Cover Removal p 107 See 4 3 13 Fuser Unit Removal p 108 2 Pull the connectors CN807 and CN813 out of the controller board and release the wiring from the cord holder See Figure 4 24 3 Remove the Power Unit Assy Six screws and two connectors Figure 4 24 Power Unit Assy Removal 3704 ...

Page 131: ...PU1 Four screws See Figure 4 25 5 Remove the High Voltage Board HV1 One screw 6 Remove the Fan Motor Two screws 7 Remove the Paper Feed Sensor PS1 One connector See Figure 4 26 Figure 4 25 Power Supply Unit and High Voltage Board Removal Figure 4 26 Paper Feed Sensor PS1 Removal Fan Motor M2 3501 Power Supply Unit High Voltage Board 3504 3501 ...

Page 132: ...moval p 101 See 4 3 3 Right Cover Removal p 101 See 4 3 7 Left Cover Removal p 105 See 4 3 8 Front Cover Removal p 105 See 4 3 12 Top Cover and Rear Cover Removal p 107 See 4 3 13 Fuser Unit Removal p 108 See 4 3 15 Power Supply Unit and High Voltage Board Removal p 113 2 Remove the Gear Plate Four screws See Figure 4 27 3 Remove the two gears 4 Remove the Left Side Plate Two screws and one connec...

Page 133: ... and Reassembly of the Printer Body 116 5 Remove the Cartridge Positioning Plate Four hooks See Figure 4 29 6 Remove the Main Motor Assy M1 Four screws and one connector See Figure 4 30 Figure 4 29 Cartridge Positioning Plate Removal Figure 4 30 Main Motor Assy Removal 3704 ...

Page 134: ...ptional 117 4 4 500 sheet Lower Cassette Unit Optional 4 4 1 Second Paper Feed Roller Removal 1 Separate the optional 500 sheet Lower Cassette Unit from the printer 2 Lift the tab of the Paper Feed Roller shift the roller to the right and remove it Figure 4 31 Second Paper Feed Roller Removal ...

Page 135: ...it Optional 118 4 4 2 Second Paper Feed Unit Removal 1 Remove the black cover Two hooks See Figure 4 32 2 Remove the actuator 3 Remove the Second Paper Feed Unit Six screws See Figure 4 33 Figure 4 32 Actuator Removal Figure 4 33 Second Paper Feed Unit Removal Actuator 3704 3704 3501 3501 ...

Page 136: ...moval 1 Remove the cover One screw and two connectors See Figure 4 34 2 Remove the Relay Board PWB A Two screws 4 4 4 Cassette Type Detect Switch SW21 Removal 1 Remove the Cassette Type Detect Switch SW21 See Figure 4 35 Figure 4 34 Relay Board PWB A Removal Figure 4 35 Cassette Type Detect Switch SW21 Removal Relay 3501 3501 3501 ...

Page 137: ...sette Unit Optional 120 4 4 5 Second Paper Feed Solenoid SL21 Removal 1 Remove the cover One screw See Figure 4 36 2 Remove the Second Paper Feed Solenoid SL21 One screw and one connector Figure 4 36 Second Paper Feed Solenoid SL21 Removal Second Paper Feed Solenoid SL21 3501 3501 ...

Page 138: ...C H A P T E R 5 ADJUSTMENT ...

Page 139: ...vision B Adjustment Overview 122 5 1 Overview This printer does not require any adjustment on hardware side However the USB ID must be written after replacing the Main Board Assy The next section describes how to write the USB ID ...

Page 140: ...ram file USBID_EJL exe onto the desktop or into a folder 5 2 2 Procedure for Program Operation 1 When you execute the program USBID_EJL exe the menu window shown below will appear 2 Select the model name EPL 5900 EPL 5900L then click the OK button Figure 5 1 Program Start Window C A U T I O N When you repair the printer and re define the USB ID information you have to tell the user to uninstall th...

Page 141: ...put Window 1 4 When the window as shown below appears input the serial number 10 digits of the printer and click Ok button to store the USB ID information 18 digits in total in EEPROM on the main board of the printer The USB ID value will be displayed in the status window in the bottom area of the program for your later check of the inputted USB ID Figure 5 3 USB ID Input Window 2 ...

Page 142: ...SB ID and click the OK button Figure 5 4 USB ID Confirmation Window 1 3 The window as shown below will appear and a status sheet will be printed automatically Figure 5 5 USB ID Confirmation Window 2 4 Check that the USB ID printed on the status sheet is identical with that shown on the window After completion of confirmation press the Return button C A U T I O N Once you have input a new USB ID ne...

Page 143: ...C H A P T E R 6 MAINTENANCE ...

Page 144: ...or nearby parts be sure to wait until the temperature of the parts cool down to a safe level After stopping operation of the printer wait at least 40 minutes and then start working on the printer To avoid dust explosion or ignition never bring any consumables close to flame or throw them into fire C A U T I O N Do not use alcohol paint thinner or other such solvents Do not clean the surface of the...

Page 145: ...C H A P T E R 7 APPENDIX ...

Page 146: ...N300 Slot for standard ROM DIMM 90 CN301 Slot for optional ROM DIMM 90 CN403 Interface Board FFC CN3 CN405 Control Panel FFC CN406 Type B slot CN802 Fuser Unit Thermistor TH1 2 CN803 Second Paper Feed Solenoid SL21 2 CN804 High Voltage Unit HV1 10 CN1 CN805 Print Head Unit 8 CN806 Main Motor Assy 9 CN1 CN807 Power Supply Unit 7 CN2 CN808 Fuser Unit Paper Eject Sensor PS3 3 CN809 Print Head Unit 5 ...

Page 147: ...lot for memory expansion EDO RAM SIMM 72 CN2 Interface Board FFC CN3 CN4 Control Panel CN802 Fuser Unit Thermistor TH1 2 CN803 Second Paper Feed Solenoid SL21 2 CN804 High Voltage Unit HV1 10 CN1 CN805 Print Head Unit 8 CN806 Main Motor Assy 9 CN1 CN807 Power Supply Unit 7 CN2 CN808 Fuser Unit Paper Eject Sensor PS3 3 CN809 Print Head Unit 5 CN810 Paper Feed Sensor PS1 2 CN811 Not used with EPL 59...

Page 148: ... FFC Table 7 4 PU1 Power Supply Unit Board Component F1 Fuse Rating 5A 125V F2 Fuse rating 12A 250V VR61 Variable Resistor for adjustment at the factory adjustment prohibited Table 7 5 HV1 High Voltage Unit Board Component C Charging voltage output terminal DC 1286V AC 811V B Development voltage output terminal DC 240V DC 340V max SS Under development seal voltage output terminal DC 240V DC 340V m...

Page 149: ...section shows the component layout drawings for various circuit boards Table 7 6 Component Layout Drawing List Model Circuit Board Name Description See EPL 5900 C427MAIN Main Board Assy p 133 C427PROG C427PROG B Memory Board Assy ROM DIMM EPL 5900L C428MAIN Main Board Assy p 135 EPL 5900 EPL 5900L C409I F Interface Board ...

Page 150: ...EPSON EPL 5900 EPL 5900L Revision B Appendix Circuit Board Component Layout 133 Figure 7 6 EPL 5900 Main Board Assy C427MAIN Front Side ...

Page 151: ...EPSON EPL 5900 EPL 5900L Revision B Appendix Circuit Board Component Layout 134 Figure 7 7 EPL 5900 Main Board Assy C427MAIN Back Side ...

Page 152: ...EPSON EPL 5900 EPL 5900L Revision B Appendix Circuit Board Component Layout 135 Figure 7 8 EPL 5900L Main Board Assy C428MAIN Front Side ...

Page 153: ...EPSON EPL 5900 EPL 5900L Revision B Appendix Circuit Board Component Layout 136 Figure 7 9 EPL 5900L Main Board Assy C428MAIN Back Side ...

Page 154: ... electric control circuit diagrams of EPL 5900 EPL 5900L Table 7 7 Circuit Diagrams List Model Circuit Board Name Description See EPL 5900 C427MAIN Main Board Assy p 133 C427PROG C427PROG B Memory Board Assy ROM DIMM p 142 EPL 5900L C428MAIN Main Board Assy p 143 EPL 5900 EPL 5900L C409I F Interface Board ...

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Page 162: ... Diagrams This section shows exploded diagrams of EPL 5900 EPL 5900L The exploded diagrams consist of the following components Housing components Electrical components Engine Paper transport mechanism Engine Drive mechanism Engine Fusing Paper ejection mechanism Packing materials ...

Page 163: ... be available as after sale service parts C427 CASE 001 Rev 01 C427 3705 3704 1 29 1 27 1 2 1 5 1 3 1 4 1 7 1 6 1 6 1 6 1 6 1 4 1 10 1 9 1 11 1 12 1 25 1 24 1 8 1 13 1 13 1 14 1 16 1 15 1 15 1 18 1 17 1 19 1 22 1 20 1 21 1 26 1 1 1 28 FOR LP 2200 EPL 5900 NO 01 ...

Page 164: ...ll not be available as after sale service parts C427 ELEC 001 FOR LP 2200 EPL 5900 NO 05 1305 3541 3727 M2 PU1 HV1 P H 3541 3544 3544 3544 2902 3501 1305 3504 1318 3504 3501 5 10 5 201 5 6 5 9 5 8 5 200 5 201 5 7 5 11 5 2 5 3 5 1 5 4 5 5 5 200 Rev 01 C427 ...

Page 165: ...able as after sale service parts C427 MECH 001 FOR LP 2200 EPL 5900 NO 02 Rev 01 C427 PE1 SL1 3704 3704 3704 2 26 2 25 2 24 2 23 2 22 2 21 2 21 2 27 2 12 2 17 2 18 2 19 2 16 2 16 2 15 2 15 2 14 2 14 2 13 2 20 2 11 2 9 2 10 2 9 2 8 2 7 2 4 2 6 2 5 2 3 2 2 2 1 Rev 01 C427 ...

Page 166: ...able as after sale service parts C427 MECH 002 FOR LP 2200 EPL 5900 NO 03 TH1 H1 TS1 PS3 3704 1305 3704 3504 3923 1305 3504 3704 1305 1305 3704 3704 3 15 3 15 3 18 3 16 3 17 3 2 3 5 3 3 3 4 3 5 3 6 3 13 3 12 3 11 3 9 3 9 3 9 3 9 3 8 3 7 3 7 3 8 3 1 3 10 3 14 Rev 01 C427 ...

Page 167: ... reference number is assigned will not be available as after sale service parts C427 MECH 003 FOR LP 2200 EPL 5900 NO 04 S2 PS1 M1 3704 3704 3704 3501 3501 4 12 4 11 4 10 4 3 4 2 4 1 4 9 4 8 4 7 4 7 4 6 4 5 4 4 Rev 01 C427 ...

Page 168: ...C427 PACK 001 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 2200 EPL 5900 NO 06 Rev 01 C427 09 03 04 05 08 12 02 10 07 11 06 01 ...

Page 169: ...assigned will not be available as after sale service parts C428 CASE 001 FOR LP 1200 EPL 5900L NO 01 3704 1 29 1 27 1 2 1 5 1 3 1 4 1 7 1 6 1 6 1 6 1 6 1 4 1 10 1 9 1 11 1 12 1 25 1 24 1 8 1 13 1 13 1 14 1 15 1 15 1 26 1 1 1 23 1 28 Rev 01 C428 ...

Page 170: ... will not be available as after sale service parts C428 ELEC 002 FOR LP 1200 EPL 5900L NO 05 Rev 02 C428 1305 3541 3727 M2 PU1 HV1 P H 3541 3544 3544 3544 2902 3501 1305 3504 1318 3504 3501 5 10 5 201 5 6 5 200 5 201 5 11 5 2 5 3 5 1 5 4 5 5 5 200 5 10 ...

Page 171: ...vailable as after sale service parts C428 MECH 001 FOR LP 1200 EPL 5900L NO 02 PE1 SL1 3704 3704 3704 2 26 2 25 2 24 2 23 2 22 2 21 2 21 2 27 2 12 2 17 2 18 2 19 2 16 2 16 2 15 2 15 2 14 2 14 2 13 2 20 2 11 2 9 2 10 2 9 2 8 2 7 2 4 2 6 2 5 2 3 2 2 2 1 Rev 01 C428 ...

Page 172: ...no reference number is assigned will not be available as after sale service parts C428 MECH 003 FOR LP 1200 EPL 5900L NO 04 S2 PS1 M1 3704 3704 3704 3501 3501 4 12 4 10 4 3 4 2 4 1 4 9 4 8 4 7 4 7 4 6 4 5 4 4 Rev 01 C428 ...

Page 173: ...s after sale service parts C428 MECH 004 FOR LP 1200 EPL 5900L NO 03 TH1 H1 TS1 PS3 3704 1305 3704 3504 3923 1305 3504 3704 1305 1305 3704 3704 3 15 3 15 3 18 3 16 3 17 3 2 3 5 3 3 3 4 3 5 3 6 3 13 3 12 3 11 3 9 3 9 3 9 3 9 3 8 3 7 3 7 3 8 3 1 3 10 3 14 Rev 02 C428 3 19 3 19 ...

Page 174: ...FOR LP 1200 EPL 5900L NO 06 The parts to which no reference number is assigned will not be available as after sale service parts C428 PACK 001 09 03 04 05 12 02 10 07 06 01 Rev 01 C428 ...

Page 175: ...EPSON EPL 5900 EPL 5900L Revision B Appendix ASP List 158 7 5 ASP List This section shows the ASP list of EPL 5900 EPL 5900L ...

Page 176: ... 9 1 TORSION SPRING 3704 TAPPING SCREW 3705 TAPPING SCREW 1318 SCREW 2902 SCREW 3541 TAPPING SCREW 3544 TAPPING SCREW 3727 TAPPING SCREW 1 5 HV TRANSFORMER 10 5 WIRE HARNESS 11 5 POWER CORD 2 5 FAN MOTOR 5 200 BOARD ASSY 5 201 BOARD ASSY 3 5 HOLDER 4 5 POWER SUPPLY 100V 5 5 PRINT HEAD ASSY 6 5 WIRE HARNESS ASSY 7 5 GUIDE RAIL 8 5 GROUNDING SPRING 9 5 COVER B101 BEADS CORE B102 BEADS CORE B500 BEAD...

Page 177: ...IC400 CMOS IC IC500 HYBRID IC IC501 RESET IC IC502 VOLTAGE REGULATOR Table 7 8 ASP List EPL 5900 Ref No Part Name IC503 VOLTAGE REGULATOR IC802 CMOS IC JP102 JUMPER CONNECTOR X601002000 JP102 JUMPER CONNECTOR X601002200 Q400 TRANSISTOR Q801 TRANSISTOR Q802 TRANSISTOR Q803 TRANSISTOR Q804 TRANSISTOR Q805 TRANSISTOR QF400 FET QM801 TRANSISTOR ARRAY VR801 POTENTIOMETER 1305 SCREW 1 2 TENSION SPRING 1...

Page 178: ... 8 3 SEPARATOR 9 3 PRESSURE SPRING Table 7 8 ASP List EPL 5900 Ref No Part Name 3501 TAPPING SCREW 3504 TAPPING SCREW 3923 TAPPING SCREW 1 4 TORSION SPRING 10 4 WIRE HARNESS ASSY 11 4 WIRE HARNESS ASSY 12 4 WIRE HARNESS ASSY 2 4 SWITCH 3 4 I C GUIDE ASSY 4 4 DRIVE GEAR ASSY 5 4 MOTOR 6 4 MICRO SWITCH 7 4 ROLL 8 4 TRANSFER ROLLER 9 4 TRANSFER GUIDE ASSY 1 1 INDIVIDUAL CARTON BOX Latin120V ETT 2 1 A...

Page 179: ... SCREW 3544 TAPPING SCREW 3727 TAPPING SCREW 1 5 HV TRANSFORMER 10 5 WIRE HARNESS 11 5 POWER CORD 2 5 FAN MOTOR 5 200 BOARD ASSY 5 201 BOARD ASSY 3 5 HOLDER 4 5 POWER SUPPLY 100V 5 5 PRINT HEAD ASSY 6 5 WIRE HARNESS ASSY C3 ALUMINIUM ELECTROLYTIC CAPACITOR C37 ALUMINIUM ELECTROLYTIC CAPACITOR C38 ELECTRIC ALMI CAPACTOR C801 ELECTRIC ALMI CAPACITOR CN1 CONNECTOR CN2 CONNECTOR CN4 CONNECTOR CN802 CO...

Page 180: ...NSISTOR Q803 TRANSISTOR Q804 TRANSISTOR Q805 TRANSISTOR QM801 TRANSISTOR ARRAY VR801 POTENTIOMETER 1305 SCREW 1 2 TENSION SPRING Table 7 9 ASP List EPL 5900L Ref No Part Name 10 2 SOLENIOD 11 2 ACTUATOR 12 2 PHOTO INTERRUPTER 13 2 PRESSURE SPRING 14 2 GUIDE 15 2 STOPPER 16 2 PRESSURE SPRING 17 2 REGULATING PLATE ASSY 18 2 TENSION SPRING 19 2 LEVER 2 2 CAM 20 2 SEPARATOR PAD 21 2 HOLDER 22 2 WIRE H...

Page 181: ...W 3923 TAPPING SCREW 1 4 TORSION SPRING 10 4 WIRE HARNESS ASSY 12 4 WIRE HARNESS ASSY 2 4 SWITCH 3 4 I C GUIDE ASSY 4 4 DRIVE GEAR ASSY 5 4 MOTOR 6 4 MICRO SWITCH 7 4 ROLL 8 4 TRANSFER ROLLER 9 4 TRANSFER GUIDE ASSY 1 1 INDIVIDUAL CARTON BOX Table 7 9 ASP List EPL 5900L Ref No Part Name 2 1 ACCESSORIES PAD 3 1 GUIDE FIX PARTS 4 1 CUSHION UL 5 1 CUSHION UR 6 1 CUSHION BL 7 1 CUSHION BR 9 1 PROTECTI...

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