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Epson AcuLaser C1900, Service Manual

The Epson AcuLaser C1900 is a high-quality laser printer with exceptional performance and versatility. To ensure a hassle-free setup, make sure to download the free setup sheet and user manual from our website. These comprehensive resources will guide you through the installation process and provide valuable instructions for optimal usage and maintenance.

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EPSON AcuLaser C1900/AcuLaser C900

Revision B

Troubleshooting

Status Display (AcuLaser C1900)

126

ERROR CODE: E005 “FLASH ROM PROBLEM”

†

Detection Timing
When an abnormality in contents of flash ROM on the Engine Board (PWB-A) is 
detected.

†

Solution

„

Parts which can cause the alarm:

•

Engine Board (PWB-A)

ERROR CODE: E008 “MAIN MOTOR PROBLEM”

†

Detection Timing
When the Main Motor (M1) does not operate at turning on the power switch.

†

Solution

„

Parts which can cause the alarm:

•

Main Motor (M1)

•

Engine Board (PWB-A)

•

Power Supply Unit (PU)

ERROR CODE: E011 “SIROCCO FAN PROBLEM”

†

Detection Timing
When the Exhaust Fan Motor (M6) does not operate at turning on the main switch.

†

Solution

„

Parts which can cause the alarm:

•

Exhaust Fan Motor (M6)

•

Engine Board (PWB-A)

•

Power Supply Unit (PU)

ERROR CODE: E012 “POWER SUPPLY COOLING FAN PROBLEM”

†

Detection Timing
When the Power Coolant Fan Motor (M4) does not operate at turning on the main switch.

†

Solution

„

Parts which can cause the alarm:

•

Power Supply Cooling Fan Motor (M4)

•

Engine Board (PWB-A)

•

Power Supply Unit (PU)

Table 3-4.

Step

Action

Refer to

WARNING DIAGRAM

Control Signal

1

Replace the PWB-A.

-

-

Table 3-5.

Step

Action

Refer to

WARNING DIAGRAM

Control Signal

1

Check the operation of M1.

p.163

M1_REM

2

Replace the PU.

-

-

3

Replace the PWB-A.

-

-

Table 3-6.

Step

Action

Refer to

WARNING DIAGRAM

Control Signal

1

Check the operation of M6.

p.163

M6_REM

2

Replace the PU.

-

-

3

Replace the PWB-A.

-

-

Table 3-7.

Step

Action

Refer to

WARNING DIAGRAM

Control Signal

1

Check the operation of M4.

p.163

M4_REM

2

Replace the PU.

-

-

3

Replace the PWB-A.

-

-

Summary of Contents for AcuLaser C1900

Page 1: ...EPSON AcuLaserC1900 AcuLaserC900 A4 Color Page Printer SERVICE MANUAL ROSCO SEPG02003 ...

Page 2: ...ate being informed of them The contents of this manual are subject to change without notice 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 product names used herein are for identification purpose only and may be trademarks or reg...

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: ...bserve 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 curr...

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: ... on 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 ...

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: ...eted in the United States and is reported to the Center 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 S...

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 770 795 nm VARNING Om apparaten används på annat sätt än i denna bruksanvisning specificerats kan användaren utsättas för osynlig las...

Page 16: ...sed 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 i...

Page 17: ...release B June 19 2003 Revised Chapter 1 1 2 9 2 Lives of Components Page 38 Additional note is added Chapter 1 1 3 2 Differences in Jumper Settings between Designated Markets Page 41 Description about jumper setting for Network I F Link mode is added Chapter 2 2 4 6 2 Fusing Loop Control Page 110 Description about the mechanism is added ...

Page 18: ...st of Panel Settings Only with AcuLaser C1900 49 1 4 3 Explanation of Each Setting Menu and Items Only with AcuLaser C1900 56 1 4 4 Special Operations Only with AcuLaser C1900 58 1 4 5 Printer Setting Items Only with AcuLaser C900 59 1 4 5 1 Setting Items stored on the Printer Side 59 1 4 5 2 Setting Items which are Valid only in the Job and are not Stored in Printer 60 1 4 5 3 Setting Items Requi...

Page 19: ...ew 123 3 2 Status Display AcuLaser C1900 124 3 2 1 Service Call Error Status 124 3 2 1 1 Details of Service Call Errors and Remedy 125 3 2 2 Printer Status 131 3 2 3 Details of Status Messages and Treatment Method 133 3 2 4 Details of Error Status and Remedy 135 3 2 5 Details of Warning Status and Remedy 140 3 3 Status Display AcuLaser C900 143 3 3 1 Service Call Error Status 143 3 3 1 1 Details o...

Page 20: ...sassembly and Assembly 204 4 6 1 The 2nd Paper Load Roller 204 4 6 2 500 sheet Cassette Unit Control Board PWB A 205 4 7 Duplex Unit Disassembly and Assembly 206 4 7 1 Duplex Unit Control Board PWB A 206 4 7 2 Paper Feed Sensor 206 4 7 3 Reverse Motor Transfer Motor 207 Chapter 5 Adjustment 5 1 Overview 209 5 2 USB ID Input 210 5 2 1 Installation Procedure for Program 210 5 2 2 Procedure for Progr...

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

Page 22: ... CPU PowerPC 300 MHz SPC603ei RAM Standard 32MB Expandable up to a maximum of 1GB SDRAM DIMM supporting standard PC100 and PC133 32 64 128 256 or 512 MB can be used For memory expansion of 544 MB or more the standard 32 MB DIMM must be replaced Color technologies AcuLaser Color Halftoning installed Three types of standard interfaces installed 10 100baseTx Ethernet IEEE1284 parallel interface Compa...

Page 23: ...900 Emulation included as standard ESC Page Color mode LJ4 GL2 ESC P2 FX I239X ESC Page monochrome mode Optional emulation Adobe PostScript 3 Ability to update the firmware Supply of program on Flash DIMM makes update of firmware possible no MASK during mass production Ability to update the engine controller program This function is only supported for the evaluation sample DCC command support Diag...

Page 24: ...transfer method Fixing Heated roller fuser method Density Adjustment Automatic adjustment not adjustable by user 1 2 2 Printer Basic Specifications Resolution 600 dpi Warming Up Time 100 V 120 V 180 seconds or less in 23 C 55 RH rated voltage 220 240 V 180 seconds or less in 23 C 55 RH rated voltage Printing Mode B W mode A regular monochrome mode that prints fastest Color mode A color mode that u...

Page 25: ...Japanese official postcard 22 0 Japanese official returned postcard 23 0 Table 1 3 First Printing Time Unit seconds max Printing mode Paper size Simplex printing Duplex printing 2 Standard mode Low speed 2 mode Low speed 3 mode Standard mode A4 25 0 34 0 40 0 39 0 A5 25 0 34 0 B5 25 0 34 0 Letter 25 0 34 0 40 0 39 0 Japanese official postcard 33 0 Japanese official returned postcard 34 0 Table 1 4...

Page 26: ...oth way postcard 2 0 Envelope C6 2 3 Envelope MON C5 Com 10 DL Yokei 0 Yokei 4 Yokei 6 2 2 User defined 148 mm L 210 mm 2 0 User defined 210 mm L 297 mm 4 0 2 0 User defined 297 mm L 356 mm 2 0 2 0 Table 1 6 Paper Feed Paper source Capacity Height Paper size for paper feed Applicable paper type Standard MP tray 200 sheets 23mmMax A4 A5 B5 Letter GLT HLT Exective Plain paper 60 90 g m2 50 sheets Tr...

Page 27: ...in paper A4 297 00 210 00 SEF A5 210 00 148 00 SEF B5 257 00 182 00 SEF Letter 279 40 11 00 215 90 8 50 SEF Half Letter 215 90 8 50 139 70 5 50 SEF EXECUTIVE 266 70 10 50 184 15 7 25 SEF G Letter 266 70 10 50 203 20 8 00 SEF Special applications Japanese official postcard 4 148 00 100 00 SEF Japanese official returned postcard 4 200 00 148 00 SEF Transparency A4 297 00 LT 279 40 A4 210 00 LT 215 9...

Page 28: ...onal 500 sheet cassette unit Paper size Fixed on A4 or Letter Paper thickness 60 g m2 90 g m2 Output Paper Capacity Face down FD tray only 200 sheets Dimensions and Weights Note 1 This value includes the height of the right side paper path 2 This value includes the weight of the consumables controller circuit board and operation panel Note Dimensions have a tolerance of 5mm and weights have a tole...

Page 29: ...Consumed Rating Table 1 9 Power Consumption AcuLaser C1900 100 V 120 V 230 V Maximum current rated 100 V 13 A or less 11 A or less 7 A or less Power Consumption Maximum 1100 W 1100 W 1100 W Average at continuous printing in B W 372 Wh 352 Wh Average at continuous printing in color 247 Wh 241 Wh Average during standby with heating ON 108 Wh 107 Wh Average during sleep mode with heater OFF 30 W or l...

Page 30: ... paper for color printers with processed surfaces Papers that are too smooth slick and slippery or too rough on its surfaces Papers with significantly different roughness on each surface of front and back side Papers with punch holes for binders or perforations Creased curled or torn paper Irregularly shaped paper or paper with non perpendicular corners Labels that peel off easily Papers with glue...

Page 31: ...l area of a sheet which is up to the paper size 216 mm 297 mm or less except 4 mm of vertical and horizontal margins NOTE A Paper that exceeds the paper length 297 mm is not supported refer to the diagram below Figure 1 2 Guaranteed printing area NOTE The printing area may differ depending on each printer product specification emulation mode Table 1 13 Paper Feeding Paper source Recommended paper ...

Page 32: ...y Simplex printing Duplex printing Paper jam rate 1 2000 sheets or less 1 1000 sheets or less Miss feed 1 2000 sheets or less Multiple sheet feed rate 2 1 500 sheets or less Wrinkled paper 1 1000 sheets or less 1 500 sheets or less Creased paper at the top edge for 1 c or more 3 1 1000 sheets or less 1 500 sheets or less Simplex printing Main scanning direction reference position c 2 0mm Sub scann...

Page 33: ...andard mode provides print ratio between color 2P J and monochrome 3P J as color monochrome 1 3 1 2 4 3 Maintenance MTTR Within 30 minutes in average Time required for service personnel to determine and correct the cause of the malfunction 1 2 5 Operating Conditions Including Consumables Air Temperature and Humidity Air Pressure Altitude 741 hPa or more 2 500 m or less Level 1 difference or less i...

Page 34: ... the printer operates properly provide at least as sufficient space as shown in the figure below NOTE The space height required above the top cover is 200 mm or more Figure 1 3 Required Surrounding Space Front View Figure 1 4 Required Surrounding Space Top View 406 mm 426 mm 200 mm 521 mm 500 mm 700 mm 150 mm 300 mm 1225 mm 1372 mm ...

Page 35: ...t AC Line Noise The following conditions shall be met in the IEC61000 4 4 compliant evaluation 1kV No error excepting minor dot errors 1 8kV No Component damaged Instantaneous Outages DIP 100 of instantaneous outages at rated voltage 10 for 1 cycle No deterioration in the printing quality The following condition shall be met in the IEC61000 4 11 compliant evaluation 95 lowered 0 5 cycle No error e...

Page 36: ... with the Higher Harmonics Restraint Guidelines 100 V Compliant with JBMG 3 1995 200 V Compliant with EN61000 3 2 Class A Electrical Power Consumption Conforms to the International Energy Star Program standards Table 1 20 Withstand Voltage Across primary and chassis For 100 120 V system models AC1 000 V For 220 V system models AC1 500 V 100 V 120 V UL1950 3rd Edition CSA C22 2 No 950 95 3rd 200 V ...

Page 37: ...rs by number of times of powering on and off and media used The lifetime is shortened in printing on special applications such as thick paper postcard envelope transparency 3 Average number of printed pages in printing with 5 of image occupation rate A4 The lifetime differs according to printing occupation rate 4 See 1 2 9 2 Lives of Components p 38 Table 1 21 Consumable Specifications Name Compon...

Page 38: ...2 120k 120k 120k Low speed 3 120k 120k 120k Second Transfer roll 120k pages Standard 120k 120k 120k Low speed 2 120k 120k 120k Low speed 3 120k 120k 120k Table 1 24 Lives of Components Color mode Component Specification Speed Mode Continuous Printing Unit Pages 4P J Unit Pages 1P J Unit Pages Developer Cartridge 4 5k images 1 Y M C Standard 4 5k 4 5k 4 5k Low speed 2 4 5k 4 5k 4 5k Low speed 3 4 5...

Page 39: ...3 Storage and Transport Environments for Packages Temperature and Humidity Conditions Note 1 Condensation must be avoided 2 Storage period after unsealing is up to 12 months under operating environments Condensation must be avoided Barometric Pressure in Storage Altitude 740 1013 hPa Dropping for Packages No damage in JIS Z0200 1999 Level 1 Vibration for Packages No damage in the following conditi...

Page 40: ...d IEEE1284 parallel ECP Nibble Compatibility B Type connector Type B 1 slot Level 3 supported HDD Installable as an option which is common with AcuLaser C8600 Printer Mode ESC Page Color mode ESC Page B W mode LJ4 GL 2 ESC P2 FX I239X EJL PJL RCC DIAG mode Adobe PostScript 3 Optional Installation Format Fixed to the printer body AcuLaser C900 CPU VR4305 48MHz Enhanced technology CPGI supporting mo...

Page 41: ...ink Mode JP702 Open Table 1 27 Jumper Setting for Network I F Link Mode JP701 JP702 Link Mode Open Open Auto negotiation 10 100M Full Half 1 2 1 2 Auto negotiation 10M Full Half 1 2 2 3 Auto negotiation 100M Full Half 2 3 1 2 Auto negotiation 10 100M Half 2 3 2 3 Auto negotiation 10M Half 1 2 Open 10M Half 2 3 Open 10M Full Open 1 2 100M Half Open 2 3 100M Full C A U T I O N The jumper setting for...

Page 42: ... Option Type B interface Level 3 supported Figure 1 5 Position of host interface AcuLaser C900 AcuLaser C900 has the following host interfaces as standards IEEE1284 parallel interface USB interface Optional Type B I F 1slot Option NOTE Switching between host interfaces is automatic only Each interface cannot be switched on and off individually Figure 1 6 Position of host interface USB I F Parallel...

Page 43: ...ond with the default value but responds with the defined character string only when redefined Device ID when redefined is as follows xxxxx is the user defined character string MFG CMD PJL EJL ESCPL2 ESCP9 PRPXL24 01 PCL HPGL2 01 ESCPAGE 04 ESCPAGECOLOR 01 2 MDL CLS PRINTER DES CID Note 1 Contains a hexadecimal value od Device ID s total number of characters 2 2 POSTSCRIPT is added only when the Po...

Page 44: ...et The numbers are displayed on the bottom left of the Status Sheet next to the ROM version 1 3 3 3 Ethernet Interface Specifications AcuLaser C1900 Interface Types 10Base T 100Base TX Half Duplex Full Duplex auto switching when the power is turned On Printing Protocols TCP IP LPR FTP IPP PORT2501 PORT9100 Microsoft Network SMB Netware Operating mode Standby factory default NDS Print Server Binder...

Page 45: ...ame as Product Name Product Name AcuLaserC1900 Emulation Type See Table 1 31 Entity Type See Table 1 31 Note 1 Added when the PostScript 3 module is installed Emulation Type If Emulation is set to AUTO When PS is not started AUTO Emulation Types 1 2 3 When PS is started EJL POSTSCRIPT 00 other Emulation Types 1 2 3 If Emulation is Fixed EJL Default Emulation Type other Emulation Types 1 2 3 Table ...

Page 46: ...e list If Emulation is Fixed The Default Emulation Type and EPSONPAGECOLOR1 are returned AcuLaser C900 Only Leo2 1 can be used for the Type B optional interface of AcuLaser C900 Main System Type MTP600dpi PW5100dt600dpi PRG rev AP800ma SPD0fast GDI NOTE ROM version Printer Name AL C900 Product Name AL C900 Emulation Type ESCPAGES 02 Entity Type EPSONPAGES2 ...

Page 47: ...nt of passwords in indicated embedded on the case c d e h g j f i l k Table 1 32 Control Panel Description of AcuLaser C1900 No Name Note c LCD Panel 1 line x 20 characters d Ready LED Color Green e Data LED Color Yellow f Error LED Color Red g Start Stop Button h Cancel Job Button i Enter Button 3 for password input 1 j Back Button 1 for password input 1 k Up Button 2 for password input 1 l Down ...

Page 48: ...Table 1 34 Meaning of LED Flashing on AcuLaser C900 Ready LED Error LED Supplement Meaning Off Off Power off Off On Controller fatal errors Video error Data expansion error EEPROM access error Software error Blink 1 Off Warming up and Data receiving Reset Calibrating Printer Cooling Down Please Wait Blink 3 Off Warning of consumables 4 types Blink 1 Blink 1 Blink alternately Engine error Blink 1 B...

Page 49: ...tory 11 Displayed only when the optional Cassette Unit is installed 12 Set the paper size of Paper Cassette Unit to use The factory default is not depend on the controller configuration and always set to A4 13 Can be automatically set to Envelope by the engine if MP Tray Size is set to Envelope MON C10 DL C5 C6 IB5 The print speed for Envelope is approximately 2 ppm Letter Head Transparency and La...

Page 50: ...s case the print quality is not guaranteed Note when this setting is used with Continue Table 1 36 Function Setting 2 Menu Item Value Emulation Menu Parallel Auto LJ4 ESCP2 FX I239X PS3 1 GL2 USB Auto LJ4 ESCP2 FX I239X PS3 1 GL2 Network Auto LJ4 ESCP2 FX I239X PS3 1 GL2 AUX 2 Auto LJ4 ESCP2 FX I239X PS3 1 GL2 Printing Menu Page Size A4 3 A5 B5 LT 3 HLT GLT EXE MON C10 DL C5 C6 IB5 CTM 5 Wide A4 O...

Page 51: ...ob Job name is selected After its execution the control returns after exiting the SelecType mode 9 By executing Delete the menu changes to Job User is displayed when no job is registered When there is no User quit the SelecType menu 10 Use this function when replacing a toner cartridge before Replace Toner uuuu occurs The selected toner cartridge moves to the replacing position 11 The value is ref...

Page 52: ...this reason when the value of the setting is changed if AUX Status Sheet of the Information menu is executed before exiting the panel setting menu the previous value of the setting before the change is printed 9 Not displayed when AUX menu Get IPAddress Auto 10 Displayed only when Type B Level 3 is installed and when AUX menu AUX Config Yes 11 Not displayed on the panel and not included in the Sta...

Page 53: ...94 1 8859 2 ISO 8859 9 ISO 8859 10ISO 8859 15ISO PcBlt775 IBM DN PcMultiling PcE Europe PcTk437 PcEur858 Pc1004 WiAnsi WiE Europe WiTurkish WiBALT DeskTop PsText VeInternati VeUS MsPublishin Math 8 PsMath VeMath PiFont Legal UK ANSI ASCII Swedis2 Italian Spanish German Norweg1 French2 Windows McText PcIcelandic 4 PcLt774 4 PcTurk1 4 PcPortugues 4 PcEt850 4 PcTurk2 4 PcCanFrench 4 PcSl437 4 PcNordi...

Page 54: ...ISO PcSl437 PcTurkish1 8859 9 ISO Mazowia CodeMJK PcGk437 PcGk851 PcGk869 8859 7 ISO PcCy855 PcCy866 PcUkr866 PcLit771 Bulgarian Hebrew7 Hebrew8 PcHe862 PcAr864 Country USA France Germany UK Denmark Sweden Italy Spain1 Japan Norway Denmark2 Spain2 LatinAmeric Korea Legal Auto CR On Off Auto LF Off On Bit Image Dark Light BarCode ZeroChar 0 Ø FX Menu Font Courier Prestige Roman Sans serif Script Or...

Page 55: ...mode has been activated by the hidden operation when the power is turned on Displayed always in English regardless of the value of Setup Lang A list of user setting items which are not included in the setup menu are shown below Depending on the panel initialization menu these are not cleared when the settings are initialized Table 1 41 Function Setting 7 Menu Item Value Support Menu 1 HDD Format 2...

Page 56: ... replacement components are cleared now Clear All Warnings All warnings are cleared now Change Toner C Change Toner M Change Toner Y Change Toner K Use them when replacing a toner cartridge before uuuu Toner Cart Out occurs When the toner cartridge to replace is specified and the Enter button pressed the panel displays Please Wait and the printer moves to the position for replacing the toner cartr...

Page 57: ...led automatically Use this function for the adjustment manually Thick Back is the transfer current adjustment for printing the back side of thick paper Maintenance Menu This setting menu is displayed and can be selected only when the maintenance mode has been activated by the hidden operation when the power is turned on This setting is used for maintenance by service persons Engine Status Sheet Pr...

Page 58: ... the power while pressing the Job Cancel button Forced Deleting of the Flash ROM A Module Turn on the power while pressing the Up Down Enter and Job Cancel buttons Program ROM Update Turn on the power while pressing the Down Job Cancel and Start Stop buttons ROM Module Copy Turn on the power while pressing the Enter Job Cancel and Start Stop buttons Maintenance Mode Turn on the power while pressin...

Page 59: ...per which matches the target paper size papers are fed from the paper sources in the order of MP tray cassette The default setting differs depending on the destinations MP tray for worldwide models NOTE The printer can set LC only but the driver cannot select it since the same function is can be achieved by selecting a cassette from the paper source MP Tray Size Assign a paper size for the MP tray...

Page 60: ... not available According to the priority order paper feeders are selected among the feeders which have papers NOTE By the driver when Paper Type Normal or Paper Size F4 or envelope the MP tray can be selected Paper Size A paper size for printing is selected by the paper size setting Like the MP tray Size paper size permits the setting of paper sizes supported by the driver Undefined means the pape...

Page 61: ... necessary settings are determined for the paper type for use When the paper type is Envelope an envelope is printed using an undefined paper size Printing becomes 2 3 faster than the Thick paper setting Page Side In the manual duplex printing mode this setting determines whether to use the side of a sheet being printed first Front or the opposite side to the already printed side Back NOTE The use...

Page 62: ...r Change 1 The number of times the K Toner Cartridge has been replaced The count is triggered when a new K Toner Cartridge is detected Photoconductor Change 1 The number of times the Photoconductor Unit has been replaced The count is triggered when a new Photoconductor Unit is detected Error Code 1 The newest engine error code is saved When an engine error occurs the error code is stored Total Pag...

Page 63: ...at Y 25 1 AIDC value at Y 25 determined by the last AIDC processing The value is stored when AIDC processes AIDC value at Y 50 1 AIDC value at Y 50 determined by the last AIDC processing The value is stored when AIDC processes AIDC value at Y 75 1 AIDC value at Y 75 determined by the last AIDC processing The value is stored when AIDC processes AIDC value at K 25 1 AIDC value at K 25 determined by ...

Page 64: ...r cleared when a new one is detected Amount of Y Toner used Read only counter cleared when a new one is detected Amount of K Toner used Read only counter cleared when a new one is detected Life counter of C Toner Read only counter cleared when a new one is detected Life Counter of M Toner Read only counter cleared when a new one is detected Life Counter of Y Toner Read only counter cleared when a ...

Page 65: ...ed by the picture stabilization control on back side of postcards Back side of duplex second transfer voltage adjustment Adjust the second transfer voltage determined by the picture stabilization control on back side of duplex papers Capacity of C Toner Capacity of M Toner Capacity of Y Toner Capacity of K Toner Set the toner cartridge capacity to 1 5k supplied with the main unit or 4 5k The mecha...

Page 66: ... Open the Optional Settings page of the printer driver 2 While pressing the ALT CTRL SHIFT W keys together on the Keyboard click any point in the blank area area free from such images as buttons on the Optional Settings page Figure 1 9 EEPROM Initialization C A U T I O N The special setting operation is not disclosed to users C H E C K P O I N T This operation does not function if it is displayed ...

Page 67: ...age of the printer driver 2 While pressing the ALT CTRL Z keys together on the Keyboard click the Printer Setting button Figure 1 10 Transfer Voltage Offset Setting Screen C A U T I O N Once you execute this operation the cumulative number of printed sheets and the cumulative replacement counts of toner cartridges and photoconductor unit will be reset to zero Remember this before executing this op...

Page 68: ... voltage is automatically adjusted However you are advised to use the transfer voltage offset setting function when automatic adjustment does not compensate adequately satisfactory image quality is not obtained especially when special paper is used With the same paper type for which the setting has been changed the image quality may be affected depending on the specifications for the paper which i...

Page 69: ...ed memory and Available memory Type B I F AUX is added to Installed interface Lower Cassette Lower cassette is added to other options Duplex Print Unit Duplex print unit is added to other options HDD Hard disk x x GB is added to other options x x indicates the hard disk drive capacity expressed up to one decimal point if required PS3 Adobe PostScript3 is added to Installed emulation Version of PS3...

Page 70: ...tch 10 00cpi Auto CR On Network Auto Start Page Front SymSet IBM US Auto LF Off AUX Auto Paper Type Normal Form 64Lines Bit Image Dark Page Side Front Source SymSet 277 ZeroChar 0 Printing Menu Skip Blank Page Off Dest SymSet 277 Page Size A4 Auto Eject Page Off CR Function CR FX Menu Wide A4 Off Size Ignore Off LF Function LF Font Courier Orientation Port Auto Cont Off Tray Assign 4K Pitch 10cpi ...

Page 71: ...information of consumables is shown regarding the consumables where the consumables warning status bit is ON IAxxxx indicates the firmware version Axxxxxxxx indicates the printer screen version in a 8 digit number MCxxxxxx indicates the mechanical controller version of the engine main unit in a 6 digit number 17Pxxxxxxxxxxxxxxx indicates the USB ID only when the status sheet is executed from the p...

Page 72: ...I 41H 5AH Small letters a z ASCII 61H 7AH Form names are sorted and displayed Form names are sorted in the order of number 0 1 9 alphabet A a B b Z z For the same file name the one added first takes priority The one with a name containing not even character comes on the top Comment Maximum 40 bytes Numerals 0 9 ASCII 30H 39H Capital letters A Z ASCII 41H 5AH Small letters a z ASCII 61H 7AH Space A...

Page 73: ...2 Printer Model AL C1900 Network Link Status 10BASE T Half Duplex TCP IP Get IPAddress Auto IP Address 192 168 192 168 Subnet Mask 255 255 255 0 Default Gateway 255 255 255 255 Use a private IP address when an IP address cannot be assigned by the DHCP server Disable Set by PING Disable Universal Plug and Play Disable Universal Plug and Play Device Name NONE IPP IPP URL http xxx xxx xxx xxx 631 EPS...

Page 74: ...ling Interval NONE NDS Tree NONE NDS Context NONE Primary File Server Name NONE Primary Print Server Name NONE Printer Port Number NONE NetBEUI Enable NetBIOS Name EPXXXXXX Workgroup Name WORKGROUP Device Name EPSON AppleTalk R Enable Printer Name AL C1900 XXXXXX Zone Name XXXX Network Number Set Auto Network Number XXXXX Node ID XXXXX Entity Type 1 EPSONPAGECOLOR1 Entity Type 2 EPSONPCL5 Entity T...

Page 75: ...f C Toner replacement which is counted when a new toner cartridge is installed M Toner Change The number of M Toner replacement which is counted when a new toner cartridge is installed Y Toner Change The number of Y Toner replacement which is counted when a new toner cartridge is installed K Toner Change The number of K Toner replacement which is counted when a new toner cartridge is installed Pho...

Page 76: ...ing a new Y Toner K Toner Engine 0 100 When printing Detecting a new K Toner 0 16 777 215 Planes K toner TOD Detecting a new K Toner C Toner Changes Controller 0 10 000 Counts When replacing C toner EEPROM initialization M Toner Changes Controller 0 10 000 Counts When replacing C toner EEPROM initialization Y Toner Changes Controller 0 10 000 Counts When replacing C toner EEPROM initialization K T...

Page 77: ...Thick Back 0 Color C 123 156 245 M 123 156 245 Y 123 156 245 K 123 156 245 Engine Version MCU xxxxxx Error Log Panel Message Code page zzzzzzzzzzzzzzzzzzzzzz xxxx yy yyy yyy zzzzzzzzzzzzzzzzzzzzzz xxxx yy yyy yyy zzzzzzzzzzzzzzzzzzzzzz xxxx yy yyy yyy zzzzzzzzzzzzzzzzzzzzzz xxxx yy yyy yyy zzzzzzzzzzzzzzzzzzzzzz xxxx yy yyy yyy zzzzzzzzzzzzzzzzzzzzzz xxxx yy yyy yyy zzzzzzzzzzzzzzzzzzzzzz xxxx yy ...

Page 78: ...ET Cartridge C Toner 100 10000 planes 1500 M Toner 100 10000 planes 1500 Y Toner 100 10000 planes 1500 K Toner 100 10000 planes 4500 C Toner Change 255 M Toner Change 255 Y Toner Change 255 K Toner Change 255 Consumables Photoconductor 100 Photoconductor Change 255 Fuser 100 Transfer Unit 100 Engine Setting Fuser Temp 0 Developer Duty 2 2nd BTR Offset Normal 0 Thick 0 Transparency 0 Envelope 0 Car...

Page 79: ... AcuLaser C900 The following errors or warnings appear in this printer in case of insufficient memory Print Underrun Mem Overflow Duplex Mem Overflow Image Optimum Need Memory C H E C K P O I N T Additional memories must be installed to avoid memory insufficiency properly Additional memory expanding to a maximum of 1 GB SDRAM DIMM compatible with PC 100 or PC 133 of 32 64 128 256 512 MB C H E C K ...

Page 80: ...ice call error will occur With AcuLaser C1900 HDD can also be connected to this printer but if the power is cut during writing to the HDD the writing contents can not be guaranteed so a HDD error may occur Accordingly in the following cases the power to AcuLaser C1900 should not be cut while writing to the nonvolatile memory or to the HDD From the time the power is turned on until the On Line LED ...

Page 81: ...00 via these protocols The network setup section in AcuLaser C900 manual describes that users or administrators should set NetBEUI and Netware protocol to DISABLE 4 FTP IPP and NDPS Gateway protocols can not be set to DISABLE and users can send data to AcuLaser C900 via these protocols But the Status Monitor can not communicate with the printer via these protocols so that protocols are out of guar...

Page 82: ... the same time affects the image quality When Forced executions of the image stabilizing control are commanded When the environment such as humidity or the like has significantly changed from the previous when the power is supplied Forced commands of the image stabilizing control This is a function to perform the tone compensation control again when correct results have not been obtained by the co...

Page 83: ...escription External Appearance and Parts Name 83 1 10 External Appearance and Parts Name 1 10 1 Overall Dimensions Figure 1 11 Overall Dimensions Main Unit only Figure 1 12 Overall Dimensions with Options installed 406 mm 426 mm 521 mm 526 mm 473 mm 469 mm ...

Page 84: ... Consumables Right Cover Open Close Lock Lever Paper Eject Extension Tray Control Panel MP Tray Cover MP Tray Power Switch Optional I F Slot Cover Parallel I F Connector USB I F Connector Grounding Screws two Ethernet I F Connector Transfer Belt Unit Waste Toner Box Photoconductor Unit Toner Cartridge MP Tray Cover MP Tray Power Switch Optional I F Slot Cover Parallel I F Connector USB I F Connect...

Page 85: ...ng Life 200 K sheets 500 K sheets Toner Pre Install 1 5 K sheets 6 K sheets per color After Market 4 5 K sheets 6 K sheets per color Weight about 29 Kg about 44 5 Kg Size Width 429 mm 463 mm Depth 521 mm 559 mm Height 406 mm 511 mm Avocet s size includes the projecting part of the MP tray Consumables Photoconductor Unit 45 K images 30 K images Second Transfer Unit 210 K images 100 K images Waste T...

Page 86: ...er Belt are extended Improving the AIDC control upgrades the picture stabilization Since Waste T Box is not set with Photoconductor Unit the packing box becomes compact The printing density level second transfer voltage and fuser temperature can be adjusted The ESCPAGES 02 command can be used to print Engine Status Sheet The life of the Fuser Unit is elongated and also there is no worry about brea...

Page 87: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Page 88: ... understand the basic mechanism of AcuLaser C1900 AcuLaser C900 Figure 2 1 Sectional View of Mechanism Table 2 1 Major Components No Name of Component 1 Toner Cartridge Rack 2 OPC Drum 3 Transfer Belt Unit 4 Paper Eject Roller 5 Fusing Roller 6 Second Transfer Roll 7 Timing Roller 8 Transportation Roller 9 Paper Feed Roller 10 Second Paper Feed Roller Bk Y M C 1 3 4 5 6 7 8 9 10 2 ...

Page 89: ... Detection Sensor PC11 Fuser Loop Detection Sensor SL4 Cleaner Pressure Flapper Solenoid SL2 Transport Roller Solenoid CL1 Rack Clutch S3 Right Door Switch PC9 Belt Cleaner Position Detection Sensor PC12 Paper Transport Sensor M2 Rack Motor S5 Waste Toner Box Setting Switch AIDC AIDC Sensor PC7 2nd Transfer Roller Pressure Position Detection Sensor M1 Main Motor PC6 Waste Toner Full Sensor PWB A M...

Page 90: ... cover is closed Amount consumed Gas gauge 0 100 in 2 steps Measures operating time rotation time of motor Accounts every 30 seconds Near end Near end value is not set for engine Controller sets near end value End Notifies a flag when gas gauge reaches to 0 Controller performs processing of forbidding printing Waste Toner Collector Presence Leaf switch Near full Full Near Photo interrupter End Not...

Page 91: ... product None When new product installed Performs counter reset from controller Insertionwhen powering on None Amount consumed Near end value is not set for engine Near end Near end value is not set for engine Controller sets near end value End End value is not set for engine Second Transfer Roll Presence None By service personnel New product None Insertionwhen powering on None Amount consumed Non...

Page 92: ... B Operating Principles Operation Sequence 92 2 2 Operation Sequence Full Color Printing on A4 Plain Paper Lighting outside the image region Y color development C color development Bk color development Paper tail end voltage M color development ...

Page 93: ...sures the variation of the reflection factor of the intermediate transfer belt due to the lapse of time and uses the measurement result for correction in the laser light adjustment control and gamma correction control Solid color toner adhesion control Adjusts the ratio of the pulse width of development bias to ensure a constant amount of toner adhesion amount of development formed on the OPC drum...

Page 94: ... previous processing of A was executed 2 When 200 sheets or more have been printed since the previous processing of A or B was executed Temperature humidity sensor The output voltage is determined from the value calculated by ATVC control and the value environment detected by the temperature humidity sensor Table 2 6 Operation Timing Timing for Control Operation Processing At detection of new inte...

Page 95: ...ONTROL When proper result is not obtained by pixel depth correction control the image stabilization control processing can be forcedly executed by the following procedure 1 Make certain that the printer is not in error status remove the paper from all the paper feeders 2 Open and close one of the printer covers Front AB and DM After completion of closing the cover the image stabilization control w...

Page 96: ...e transfer belt rotate 4 times per holding the sleep mode for 14 days 2 The intermediate transfer belt rotate 2 times per holding the standby mode for 13 hours Feed operation delay control of an envelope Transparency In the case that the inside temperature of printer is 28 and envelope is chosen as paper type the feed operation may be delayed by the fuser temperature around that Delay time Envelop...

Page 97: ...eets NOTE The 2 way paper feeding system is available by adding the optional 500 sheet Cassette Unit The paper fed by the Paper Feed Roller is transported in the route constituted by Transport Roller Timing Roller Transfer Roller Fusing Roller Paper Eject Roller and ejected into Paper Eject Tray Figure 2 5 Paper Path Bk Y M C OPC Drum MP Tray Face down Paper Eject Duplex Unit Option 500 sheet Cass...

Page 98: ...ct with the grounding plate in the printer body to achieve grounding Thus the electric charge on the OPC drum exposed to light is grounded through the Grounding Contact the Shaft and the Grounding Plate to the Frame Figure 2 7 Grounding of OPC drum C A U T I O N The organic photoconductor can deteriorate by sensitivity change due to light fatigue if is exposed to light for an extended period of ti...

Page 99: ...ectrode scorotron charger The OPC drum is charged evenly by the corona discharge from the charger via the Grid Mesh Ozone generation is suppressed thanks to corona discharge concentration on the side of grid mesh by use of the needle electrode type charger Figure 2 8 Charging Mechanism OPC Drum Charge Bias Needle Electrode Charger Grid Mesh Electrification Bias ...

Page 100: ...g in the sub scanning direction is started when the belt location detection sensor is turned on MAIN SCANNING DIRECTION HORIZONTAL SCANNING DIRECTION Upon receiving the SOS sensor signal from the Laser Control Board the printer starts printing in the main scanning direction PRINTABLE AREA Figure 2 10 at right shows the printable area in the sub scanning direction and the main scanning direction Fi...

Page 101: ...er Cartridge Rack is driven by the Rack Motor M2 DRIVING OF DEVELOPMENT ROLLER The Development Roller is driven by the Rack Motor M2 and the Development Roller Gears When the Toner Cartridge Rack has stopped at the development position the Rack Motor M2 and the Development Roller Gears drives to rotate the Development Roller Figure 2 11 Driving of Toner Cartridge Rack Figure 2 12 Driving of Develo...

Page 102: ...r cartridge the relevant color stops at the development position STANDBY POSITION OF TONER CARTRIDGE RACK The standby position is such that the stop position for development is 20 degrees before the black toner cartridge When the Toner Cartridge Rack rotates and the Rack Lock Lever passes the groove for black position detection light to PC4 intercepted Å transmitted rotation of the rack is deceler...

Page 103: ...e 2 8 Construction of Toner Cartridge No Name Function 1 Toner hopper 2 Toner agitation wing 3 Toner transportation roller 4 Development roller An amount of toner restricted by the toner restriction blades is applied to this development roller 5 OPC Drum 6 1st restriction blade Restricts the amount of toner adhesion to the development roller 7 2nd restriction blade 8 Bias seal Collects toner that ...

Page 104: ...e reflector hidden the reflected light is absent and the toner cartridge detection sensor detects Unset 6 The toner cartridge detected as Unset is stopped at the development position and the development roller is rotated 7 As a result of rotation of the development roller the reflector is pushed out and the toner cartridge detection sensor PC8 detects Set 8 Each of the other toner cartridges is st...

Page 105: ...er SECONDARY TRANSFER The toner image on the transfer belt is transferred onto the paper by applying secondary transfer bias to the Secondary Transfer Roller The residual charge on the paper is removed with the charge remover Main Motor M1 Drive Roller Transfer Belt Secondary Transfer Roller Cleaner Blade Waste Toner Collection Coil Primary Transfer Roller Drive Roller Intermediate transfer bias P...

Page 106: ... PRESSING SEPARATION TIMING 2 4 5 2 Secondary Transfer Roller Cleaning Inverse bias is output to the secondary transfer roller to remove the residual toner on the secondary transfer roller The removed residual toner is placed on the transfer belt and then collected with the cleaning blade OPERATION TIMING A predetermined time after preliminary rotation After the paper has passed the secondary tran...

Page 107: ...rotation of the cam on the printer body Driven by the main motor The cam driven on the printer body is brought into contact directly with the cleaner housing to estrange the transfer belt cleaner As the cam rotates and the belt cleaner position detection sensor PC9 is turned off the transfer belt cleaner is detected to be separated Figure 2 19 Transfer Belt Cleaner Separation Cam Belt Position Det...

Page 108: ...and collected by the waste toner collection coil Figure 2 20 Waste Toner Box 2 4 5 5 Waste Toner Box Detection WASTE TONER BOX DETECTION Whether the Waste Toner Box is mounted or not is detected by the Waste Toner Box Detection Switch S5 WASTE TONER FULL DETECTION Waste toner full sensor PC6 detects if the Waste Toner Box is full of waste toner or not Full of waste toner is detected when the light...

Page 109: ... fuse the toner to the paper Figure 2 22 Fuser Unit DRIVE The fuser mechanism is driven by the main motor M1 Figure 2 23 Drive FUSING ROLLER PRESSING The fusing roller and pressure roller must always be in the pressed position except when they are released from pressure for maintenance work or parts replacement At the occurrence of paper jam in the fuser area release the fusing roller from the pre...

Page 110: ...nism is built in the engine and a rotational speed is switched by the Fusing loop solenoid SL6 The fusing loop sensor PC11 monitors a level of loop which formed with a paper and a speed control is made in accordance with the staus of this sensor FUSING LOOP SENSOR PC11 This sensor monitors a posture of paper at the position where the paper is located just before entering the fusing unit The hardne...

Page 111: ...emperature detection circuit operates to stop forcibly the current to the fusing heater lamp H1 FUSING TEMPERATURE CONTROL The fusing roller heater lamp H1 inside the Fusing Roller and the pressure roller heater lamp H2 execute temperature control as described below The surface temperature of the Fusing Roller is converted to an electric signal by the thermistor TH1 for detection WARM UP CONTROL T...

Page 112: ...as indicated in Table below Note Small size paper Plain paper with a length of 226 mm or less Figure 2 26 Temperature Control Table 2 11 Printing Temperature Adjustment Control Color Plain Paper Thick Paper or Post Card Transparency Envelope Small Size Preset Temperature 174 C 174 C 166 C 166 C 169 C 180 170 160 Warming Up About 180 seconds Plain paper color Standby Plain paper monochrome Printing...

Page 113: ...e tray is fed into the printer body by the paper feed roller PAPER EMPTY SENSOR The MP tray paper empty sensor PC1 is mounted at the bottom of the MP Tray to detect empty of paper in the MP Tray When there is paper the actuator is pushed down and the light to the sensor is transmitted When there is no paper the actuator is lifted the light to the sensor is intercepted Figure 2 27 Paper Feed Mechan...

Page 114: ...om the printer side via the control board PWB A of the 500 sheet Cassette Unit PAPER EMPTY SENSOR Empty of paper is detected by the 2nd tray paper empty sensor PC16 When there is paper the actuator is lifted and the light to the sensor is intercepted When there is no paper the actuator is pushed down and the light to the sensor is transmitted PAPER NEAR EMPTY SENSOR PC14 Near empty of paper is det...

Page 115: ...the Duplex Unit The paper is transported into the printer body by the transport roller Figure 2 30 Mechanism of Duplex Unit PAPER LOAD METHOD Note Steps 2 to 6 above are repeated for the subsequent sheets of paper Duplex Unit Inversion Motor M8 両面ユニット搬送モータ M7 Transport Roller Duplex Unit Transport Motor M7 Duplex Unit Transport Sensor PC17 Table 2 13 1 sheet Circulation Method Function 1 A sheet o...

Page 116: ...et in the Duplex Unit stops once at the refeed position 6 The image of the 4th page is printed on the 2nd sheet of paper 7 The 1st sheet of paper is refed 8 The 2nd sheet is fed to the paper eject tray once and immediately before the sheet leaves the paper eject roller the paper eject roller changes the direction of rotation 2 2 4 2 4 2 9 The image of the 1th page is printed on the 1st sheet of pa...

Page 117: ...n 6 The 2nd sheet is fed to the paper eject tray once 7 The image of the 1st page is printed 8 Immediately before the 2nd sheet leaves the paper eject roller the paper eject roller changes the direction of rotation 9 The 2nd sheet of paper is transported into the Duplex Unit 4 2 4 2 4 2 1 10 The 1st sheet of paper is ejected 11 At the same time the 3rd sheet is loaded 12 The 2nd sheet stops once a...

Page 118: ...Hz system clock A maximum of 1 GB memory can be mounted Power consumption is reduced thanks to use of devices operating at low voltages User interface improved by use of the new type control panel USB1 1 mounted Compression speed enhanced by CDMC DMA transfer of HDD and network data EMI reduced by differential operation of video signals Cost reduced by reduced circuit board area The following is t...

Page 119: ... control SDRAM DIMM Standard optional CN200 For standard optional printer memory 1 slot 168 pin 32 64 128 256 512 MB Standard 32MB Optional CN201 For optional printer memory 1 slot 168 pin 32 64 128 256 512 MB Max 1GB PWM IC602 IC for pulse width modulation for connection to VIPS Control Panel CN405 Connector for the newly employed Control Panel controlled by DIOC VIDEO I F CN600 Connected to the ...

Page 120: ... made VR4305 employed as the CPU HTC employed as the new memory I O image processing integrated ASIC 16 MB of RAM as standard A maximum of 144 MB available with optional RAM Parallel interface Compatibility Nibble ECP and USB 1 1 interface mounted as standard 1 channel of Type B slot for an optional interface Only Leo2 supported Network by Type B Color image processing functions CPGI and CRIT inco...

Page 121: ...IFICATIONS Table 2 17 Major Elements Name Location Remarks CPU IC100 VR4305 80 HTC IC101 E05C01BA Memory control and I O control integrated ASIC ROM DIMM CN300 ROM RAM mixed slot 1 slot 2or4MB PROG IPL Code SDRAM DIMM Standard CN200 1 slot Max 144MB 16 32 64 128MB Standard 16MB Optional CN201 1 slot 16 256MB EEPROM IC102 2kbit 93C56 PWM IC600 IC for pulse width modulation for connection to HTC SSC...

Page 122: ...C H A P T E R 3 TROUBLESHOOTING ...

Page 123: ...EPSON AcuLaser C1900 AcuLaser C900 Revision B Troubleshooting Overview 123 3 1 Overview This Chapter describes the items necessary for or to be used in troubleshooting ...

Page 124: ...49 E 043 Main unit memory access problem p 149 E 044 Main unit memory installation problem p 149 E 998 Engine communication error p 150 Table 3 2 List of Service Call Errors Controller Related Error Category C Error Code ffff Explanation C 0017 CPU error Interrupt exception C 0088 CPU error System call exception C 0089 CPU error Break point exception C 0091 CPU error Disabled floating point except...

Page 125: ...Detection Timing When a communication error in the Engine Board PWB A is detected Solution Parts which can cause the alarm Engine Board PWB A C 1170 Optional Font ROM module checksum error C 1180 Optional ROM module A checksum error C 1181 Optional ROM module B checksum error C 1185 Unsupported ROM module C 1200 EEPROM write error C 1210 EEPROM write count limit C 1400 Engine initialization malfun...

Page 126: ... which can cause the alarm Exhaust Fan Motor M6 Engine Board PWB A Power Supply Unit PU ERROR CODE E012 POWER SUPPLY COOLING FAN PROBLEM Detection Timing When the Power Coolant Fan Motor M4 does not operate at turning on the main switch Solution Parts which can cause the alarm Power Supply Cooling Fan Motor M4 Engine Board PWB A Power Supply Unit PU Table 3 4 Step Action Refer to WARNING DIAGRAM C...

Page 127: ...DE E020 SECONDARY TRANSFER VOLTAGE CONTACT RELEASE PROBLEM Detection Timing When pressing or separation of the Secondary Transfer Roller is impossible Solution Electric parts which can cause the trouble Transfer Roller Pressure Solenoid SL2 Transfer Roller Pressure Position Detection Sensor PC7 Engine Board PWB A Table 3 8 Step Action Refer to WARNING DIAGRAM Control Signal 1 Check the operation o...

Page 128: ...RACK ROTATION PROBLEM Detection Timing When the Toner Cartridge Rack does not turn Solution Electric parts which can cause the trouble Rack motor M2 Rack Clutch CL1 Rack Black Position Detection Sensor PC4 Engine Board PWB A Table 3 11 Step Action Refer to WARNING DIAGRAM Control Signal 1 Check the operation of PC9 p 162 PC9_ON 2 Replace the pressing separation mechanism parts of the Belt Cleaner ...

Page 129: ... temperature is 220 C or higher for 0 1 second When between 40 seconds and 50 seconds after start of warming up of the Fuser Roller the Fuser Roller temperature does not rise for one second by 5 C from that at start of fuser warming up Solution Electric parts which can cause the trouble Thermistor TH1 Engine Board PWB A Table 3 14 Step Check Item Yes No Remedy WARNING DIAGRAM Control Signal 1 Chec...

Page 130: ...tric parts which can cause the trouble EEPROM Engine Board PWB A ERROR CODE E998 ENGINE COMMUNICATION ERROR Detection Timing Any error has occurred in communication through the video interfere between the Main Board and the Engine Board Solution Electric parts which can cause the trouble Main Board C485MAIN Engine Board PWB A Table 3 16 Step Action Refer to WARNING DIAGRAM Control Signal 1 Check t...

Page 131: ...oner uuuu Error 4065 4079 p 137 Replace Photocondctr Error 4028 p 137 Replace Waste T Box Error 4029 p 137 Replace TransferUnit Error 4224 p 137 Printer Open Error 4002 p 137 Cover C Open Error 4037 p 137 Please Wait Status 1019 p 134 Manual Feed ttt 3 Error 1013 p 138 Can t Print Duplex Error 3005 p 138 Paper Out sss 2 ttt 4 Error 4010 p 138 Paper Set sss 2 ttt 4 Error 3003 p 138 Print Overrun Er...

Page 132: ... on controller related errors in Table 3 2 List of Service Call Errors Controller Related p 124 6 See the description on engine related errors in Table 3 1 List of Service Call Errors Engine Related p 124 Format Error ROM A Warning 2000 p 142 Form Feed Status 1008 p 134 Displayed during test printing 1010 Warming Up Status 1006 p 134 Calibrating Printer Status 1014 p 134 Cooling Down Status 1016 p...

Page 133: ...scription The printer is performing self diagnostics and initialization Treatment method If there is no error found the printer displays a ready message depending on the printer status and becomes ready to print RESET ALL STATUS CODE 1004 Description The printer is in process of warm booting Treatment method Upon completion of warm booting the printer proceeds to Reset RESET STATUS CODE 1004 Descr...

Page 134: ...escription The printer is writing the program data in the program RUM module Treatment method Upon successful completion of writing the printer returns to the original state FORM FEED STATUS CODE 1008 Description By accepting the holding down of the Start Stop button for more than two seconds in the printing impossible state the printer is forcedly printing the printable data remaining inside and ...

Page 135: ...Insert paper of the appropriate size open the covers on the paper feeding routes remove the jammed paper and then close the covers The printer performs warming up and then resumes printing from the data at which the error occurred CHECK MEDIA TYPE STATUS CODE 4226 Description Since paper other than transparencies was fed in transparency printing or a transparency was fed in nontransparency printin...

Page 136: ... jammed paper and close the Cover AB After this this error will clear automatically x B 4008 Jam occurs at the second transfer unit fuser unit or paper exiting unit Open the Cover AB and pulled out jammed paper and close the Cover AB After this this error will clear automatically The following three kinds of processing exist by the place where jam is occurred In case of fuser unit raise the pressu...

Page 137: ...8 Description Since the OPC drum life detector has detected the expiration of the life of the OPC drum the printer has stopped printing Treatment method Open the cover replace the OPC drum with a new one and close the door Then printer will recover from the error status REPLACE WASTE T BOX STATUS CODE 4029 Description Since the Waste Toner Box Full detector has detected that the Waste Toner Box is...

Page 138: ...ncel button PAPER OUT SSS TTT STATUS CODE 4010 Description This error occurs in either of the following cases 1 There is no paper in the selected paper feeder tttt 2 None of the paper feeders has any paper even when there is no printing request When none of the paper feeders has any paper only Paper Out without tttt or sss is displayed When both ttt and sss are selected automatically neither ttt n...

Page 139: ...ce with the language specifications 2 When Auto Cont On the printer operates a certain time later the same way as the case the Start Stop button is pressed 3 To cancel printing execute Reset or Reset All or press the Job Cancel button DUPLEX MEM OVERFLOW STATUS CODE 3004 Description Since memory available for printing on the back side is insufficient the printer performs printing on the front side...

Page 140: ...e and then turn it on again 2 Execute Reset All 3 If neither of the treatment methods above works the error occurs as a service call error 3 2 5 Details of Warning Status and Remedy MENUS LOCKED STATUS CODE 1001 Description When Panel Lock On has been set say by EJL this warning appears if setting change on the control panel is tried The setting value is not changed Treatment method Set Panel Lock...

Page 141: ...ed sheets whose size is different from the paper size preset for printing IMAGE OPTIMUM STATUS CODE 2002 Description Because of insufficient memory printing was not achieved in the designated resolution but was performed with some conditions omitted Treatment method Install an additional RAM module or designate a lower resolution In case this message has been displayed you are advised before clear...

Page 142: ...tion When two or more warnings have been occurred an upper and lower icon is added to the 20th digit of LCD Up or down switch is pressed at this time Status Menu of SelecType will be displayed Under this condition enter Status Menu when the Enter switch is pressed and the warnings can be confirmed Table 3 1 Message Description uuuu Toner Low Status code 2017 2031 This warning will occur when eithe...

Page 143: ...iption Refer to 6004 Engine board error p 145 6005 Flash ROM error p 145 6008 Main motor error p 145 6011 Exhaust fan error p 146 6012 Power coolant fan error p 146 6014 Fuser cooling fan error p 146 6016 Polygon motor error p 146 6018 Laser error p 146 6020 Secondary transfer roller pressing separation error p 147 6021 Transfer belt cleaner clearance error p 147 6022 Transfer belt rotation error ...

Page 144: ... CPU error watch exception 0128 0254 CPU error undefined trap 0255 CPU error NMI exception 0256 CPU error divide by 0 0257 CPU error arithmetic overflow 0258 CPU error break occurrence 0800 IPL error controller defect 0998 Engine communication error only when power on 0999 Engine flash ROM has no program data 1002 Standard RAM error standard size is undefined etc 1010 Verification error 1020 RAM e...

Page 145: ...a new one ERROR CODE 6004 ENGINE BOARD ERROR Detection Timing When a communication error in the Engine Board PWB A is detected Solution Parts which can cause the alarm Engine Board PWB A ERROR CODE 6005 FLASH ROM ERROR Detection Timing When an abnormality in contents of flash ROM on the Engine Board PWB A is detected Solution Parts which can cause the alarm Engine Board PWB A ERROR CODE 6008 MAIN ...

Page 146: ...tion Parts which can cause the alarm Fuser Cooling Fan Motor M5 Engine Board PWB A Power Supply Unit PU ERROR CODE 6016 POLYGON MOTOR ERROR ERROR CODE 6018 LASER ERROR Detection Timing When the Polygon Motor does not operate or the laser diode LD does not emit the laser beam Solution Electric parts which can cause the trouble Print Head Unit Engine Board PWB A Power Supply Unit PU Table 3 24 Step ...

Page 147: ...Pressure Flapper Solenoid SL4 Belt Cleaner Position Detect Sensor PC9 Engine Board PWB A ERROR CODE 6022 TRANSFER BELT ROTATION ERROR Detection Timing When the transfer belt of the Intermediate Transfer Belt Unit does not operate Solution Table 3 28 Step Action Refer to WARNING DIAGRAM Control Signal 1 Check the operation of PC7 p 162 PC7_ON 2 Replace the pressing separation mechanism parts of the...

Page 148: ...and remained below 70C for 10 seconds during standby Solution Electric parts which can cause the trouble Fusing Roller Heater Lamp H1 Pressure Roller Heater Lamp H2 Thermostat TS1 Engine Board PWB A Power Supply Unit PU Table 3 31 Step Action Refer to WARNING DIAGRAM Control Signal 1 Check the operation of PC4 p 162 PC4_ON 2 Check the operation of M2 p 163 CL1_REM 3 Check the operation of CL1 p 16...

Page 149: ...y is not detected Solution Electric parts which can cause the trouble OHP Sensor PC3A Engine Board PWB A EEPROM ERROR ERROR CODE 6041 MEMORY COUNTER ERROR ERROR CODE 6042 MEMORY DATA ERROR ERROR CODE 6043 MEMORY ACCESS ERROR ERROR CODE 6044 MEMORY INSTALLATION ERROR Detection Timing EEPROM error detection Solution Electric parts which can cause the trouble EEPROM Engine Board PWB A Table 3 33 Step...

Page 150: ...urred in communication through the video interfere between the Main Board and the Engine Board Solution Electric parts which can cause the trouble Main Board C494MAIN Engine Board PWB A Table 3 36 Step Action Refer to WARNING DIAGRAM Control Signal 1 Check the connection between Main Board and Engine Board 2 Replace the Main Board C494MAIN 3 Replace the Engine Board PWB A ...

Page 151: ...conductor unit at end of service life Error 4028 p 154 Waste toner collector full Error 4029 p 154 Transfer unit at end of service life Error 4224 p 154 Front cover cover AB or cover DM open Error 4002 p 154 Cover C open Error 4037 p 154 Setting developer cartridge position Status 1019 p 152 Paper out Error 4010 p 154 Incorrect paper size 1 2 Error 3003 p 155 Incorrect paper size 1 Error 3002 p 15...

Page 152: ... is turned on after more than 200 sheets from last AIDC or after recovering from the standby status When the printer is turned on after more than 1000 sheets from the picture stabilization control or after recovering from the standby status COOLING DOWN STATUS CODE 1016 Description The printer engine is cooling down Internal temperature is too high to print transparencies In this case the print st...

Page 153: ...overed Remedy If wrong paper is loaded reinsert the appropriate paper and then select Reprint in the EPSON Status Monitor To reprint after modifying driver settings select Cancel Printing in the EPSON Status Monitor PAPER JAM COVER AB STATUS CODE 4008 PAPER JAM MP TRAY OR CASSETTE STATUS CODE 4009 PAPER JAM COVER DM STATUS CODE 4017 Description A paper jam occurs The error status information can i...

Page 154: ...4029 TRANSFER UNIT AT END OF SERVICE LIFE STATUS CODE 4224 Description The consumables have reached the end of its service life When the consumables expire while printing is underway the operation stops before the next page is printed Replacing a new photoconductor unit or the transfer belt clears the error Remedy Replacing the consumables and then closing the opened cover clears these errors As a...

Page 155: ...N Status Monitor To reprint after modifying the driver settings select Cancel Printing in the EPSON Status Monitor Since the printer driver clips data to the A4 paper size this error does not occur in practice PAGE CONTAINS TOO MUCH DATA TO PROCESS STATUS CODE 3000 Description The print data has cut off in document processing and the printer starts printing in timeout However the band data is insu...

Page 156: ...RINTED STATUS CODE 2013 Description Band data of pages for multi copying is not saved for one page entirely The ResetFlag command of the ESCPAGES 02 protocol clears this warning In some cases this warning status occurs before data for one page is completely sent however continuing to send the data prints only one sheet Remedy This warning occurs only when a flying start is performed and since data...

Page 157: ...of a host based printer the Status Monitor cannot monitor these errors completely Therefore the specification has been changed to clear these errors immediately and display this warning Remedy Clicking the Close button closes the pop up message of the EPSON Status Monitor However if an error of higher priority occurs just after that the display changes to the error display From this point error ha...

Page 158: ...error but it is desirable to replace it when these warnings appear Remedy After printing the EPSON Status Monitor pop up appears and this display disappears when the Close button is clicked or consumables are replaced Other warnings OFF can be selected in the Monitoring Preferences settings of the EPSON Status Monitor Warning time of consumables and fixed replacement parts CMYK Toner Cartridge The...

Page 159: ...tection Sensors Table 3 1 Check Item Solution Is the paper used as specified Replace the paper Is the paper free from curling waving or moisture Replace the paper Tell the customer how to store paper Is the paper path free from foreign matters dirt or deformation Clean the paper path or replace relevant parts Are the rollers free from dirt deformation or wear Clean or replace the relevant roller I...

Page 160: ...d even on the lapse of a predetermined time after the paper intercepted the light to the sensor PC2 Table 3 3 Step Action Refer to WARNING DIAGRAM Control Signal 1 Initial checking p 159 2 Check the operation of PC2 p 162 PC2_ON 3 Check the operation of SL1 p 163 SL1_REM 4 Replace the PWB A Table 3 4 Detection Timing Category Explanation Jam detection in secondary transfer area The light to the ti...

Page 161: ...paper eject sensor PC10 is intercepted when the main switch is turned on the door and cover are opened and closed or a jam or trouble is cleared Table 3 7 Step Action Refer to WARNING DIAGRAM Control Signal 1 Initial checking p 159 2 Check the operation of PC10 p 162 PC10_ON 3 Replace the PWB A Table 3 8 Detection Timing Category Explanation Paper feed area jam Even on the lapse of a predetermined...

Page 162: ... does not intercept the light to the duplex unit transport sensor PC17 Retaining paper detection in transport component The light to the duplex unit transport sensor PC17 is intercepted when the main switch is turned on the door and cover are opened and closed or a jam or trouble is cleared Table 3 11 Step Action Refer to WARNING DIAGRAM Control Signal 1 Initial checking p 159 2 Check the operatio...

Page 163: ...Check Item Yes No Solution 1 Is the LOCK signal on Control Board H when the printer is standing by NO Replace the Control Board Replace the motor 2 Does the REM signal on Control Board turn H L when the motor is turned on YES Replace the motor NO Replace the Control Board Table 3 17 Checking Method 2 Motor Step Check Item Yes No Solution 1 Does the input signal to Control Board turn H L when the m...

Page 164: ... Abnormal laser emission Replace Print Head Abnormal charging Replace the Engine Board PWB A White Out 0951o220 Paper is wet Replace paper Improper transfer Replace the Second Transfer Roller Replace the Engine Board PWB A Replace the Transfer Belt Unit Back of Paper Gets Dirty 0951o226 Fusing roller is dirty Replace the Fusing Roller Transfer roller is dirty Replace the Second Transfer Roller Pap...

Page 165: ...uctor Unit White Line Black Line 0951o222 There is scar or damage on the OPC drum Replace the Photoconductor Unit Defective print head Replace the Print Head Unit Replace the Engine Board PWB A Offset Image 0951o219 Defective fusing roller Replace the Fusing Roller Defective transfer roller Replace the Second Transfer Roller Replace the Transfer Belt Unit Table 3 19 Troubleshooting for Print Quali...

Page 166: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...

Page 167: ...able 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 ...

Page 168: ...serve 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...

Page 169: ... Phillips screwdriver No 1 Available B743800100 Phillips screwdriver No 2 Available B743800500 Mini Phillips screwdriver Slotted screwdriver Available B743000100 Table 4 2 Screws Ref No Nominal Size Name and Specification Appearance 1305 3 6 Pan Head Screw with Spring Washer and Plain Washer Sems 1308 3 8 3501 3 6 Cup Screw 3504 3 8 3907 3 8 Bind B tite Screw 1112 3 6 Bind S tite Screw 3704 3 8 Cu...

Page 170: ...aste Toner Box Transfer Belt Unit and Photoconductor unit Removal 4 2 1 Before Disassembling the Printer p172 4 4 3 Front Door p178 4 4 7 Front Cover p179 4 5 11 Multi Purpose Tray p192 4 5 12 Paper Empty Sensor p193 Open the Front Door Note The components shown with an underline are Regular Replacement Parts 4 4 6 Left Cover p179 4 3 2 Fuser Unit p175 Fusing Roller Thermistor TH1 Heater Lamp H1 H...

Page 171: ...171 Flowchart 4 2 Disassembly Flowchart of Option Unit 4 7 3 Reverse Motor Transfer Motor p207 4 7 2 Paper Feed Sensor p206 4 7 1 Duplex Unit Control Board PWB A p206 Duplex Unit 4 6 2 500 sheet Cassette Unit Control Board PWB A p205 4 6 1 The 2nd Paper Load Roller p204 増設ユニ ッ ト Extension Unit ...

Page 172: ...er cartridges require control by the printer driver On the repair site however follow the following procedure 1 Open the Front Cover 2 Pull off the toner cartridge which is seen in the opening for mounting toner cartridges 3 Next with a thin screwdriver push in the round portion seen in the slot which is located to the left of the opening for mounting toner cartridges At the same time by holding t...

Page 173: ...te Toner Box If deemed necessary put the supplied cap on the opening of the Waste Toner Box C A U T I O N Take care not to expose the removed Photoconductor Unit to any strong light or the direct rays of the sun If deemed necessary cover the Photoconductor Unit with a cloth to intercept the light Never touch the photoconductor roller green roller of the Photoconductor Unit with your bare hand or s...

Page 174: ... When removing the Transfer Belt Unit be sure to open the Right Cover of the printer beforehand Removing or installing the Transfer Belt Unit with the Right Cover of the printer closed can damage the Transfer Belt Unit C A U T I O N Never touch the surface of the transfer belt with your hand In addition take great care not to scratch the belt Hand grease on the belt surface or dirty or scratched b...

Page 175: ... Door 2 Remove the Transfer Roller while opening the shaft holder white color levers found at the left and right shaft ends of the Transfer Roller to unlock it See Figure 4 2 p 175 Figure 4 2 Transfer Roller Removal 4 3 2 Fuser Unit 1 Open the Front Cover 2 Remove the Top Cover p 177 3 Open the Right Door 4 Remove the Fuser Unit Cover 2 screws See Figure 4 3 p 175 Figure 4 3 Fuser Unit Cover Remov...

Page 176: ...user Unit Cover C A U T I O N wOn the bottom of the Fuser Unit there is a hook engaged with the printer body frame For removal of the Fuser Unit tilt the front side of the Fuser Unit rearward and lift it In installation ensure that the hook is engaged with the printer body frame properly When installing the Fuser Unit Cover make sure that the black resin roller and gray rubber roller in a pair fac...

Page 177: ... top of the Panel Cover and remove the Panel Cover 4 Disconnect the cable connected to the Panel Cover Board See Figure 4 6 p 177 4 4 2 Top Cover 1 Remove the Upper Front Cover p 177 2 Remove the Top Cover 5 screws See Figure 4 7 p 177 Figure 4 6 Upper Front Cover Removal Figure 4 7 Top Cover Removal C A U T I O N The Panel Cover has the LED Board mounted to which the cable is connected Do not pla...

Page 178: ...g it off upward 4 4 4 Rear Cover 1 Loose the screws of the Controller Board Protection Cover and then remove the Protection Cover 9 screws 2 Remove the Rear Cover 7 screws 4 4 5 Upper Rear Cover 1 Remove the Top Cover p 177 2 Remove the Rear Cover p 178 3 Remove the Upper Rear Cover 3 screws Figure 4 8 Front Door Removal Figure 4 9 Removing the Rear Cover and Upper Rear Cover ...

Page 179: ...ove the Left Cover 3 screws See Figure 4 10 p 179 4 4 7 Front Cover 1 Remove the Upper Front Cover p 177 2 Remove the Top Cover p 177 3 Remove the Front Door p 178 4 Remove the Front Cover 5 screws See Figure 4 11 p 179 Figure 4 10 Left Cover Removal Figure 4 11 Front Cover Removal The Left Cover is provided with two hooks at its top and two hooks at its bottom In installation make sure that all t...

Page 180: ...crews 1 screw for Right Front Cover and 2 screws for Right Rear Cover See Figure 4 12 p 180 Figure 4 12 Right Rear Cover Removal 5 Pull off the harness from the connectors PJ16 PJ17 and PJ29 on the PWB A Board and remove the harness from the cord holders 6 With the Right Door opened remove the one screw while supporting the Right Door with your hand and remove the strap See Figure 4 14 p 180 Figur...

Page 181: ...on the retaining shaft at its right end See Figure 4 15 p 181 8 With the Right Door lifted slightly from the completely opened position disengage from the frame the end of the torsion spring installed on the left end of the door retaining shaft See Figure 4 16 p 181 Figure 4 15 Right Door Removal 2 Figure 4 16 Right Door Removal 3 ...

Page 182: ...ollowing procedure for easy work 1 Engage the long end of the torsion spring on the left side with the hole in the frame of the Right Door 2 Insert the retaining shaft Pass the shaft through the torsion spring located on the left side 3 While supporting the Right Door at a slightly opened position near the closed position engage the short end of the torsion spring with the hole in the frame 4 Inst...

Page 183: ...in Board 3 Remove the covers for the interface connectors on the Main Board 11 screws in total 6 screws securing the cover 2 screws securing to the parallel I F connector 1 screw securing to the USB I F connector and 2 screws the Type B slot cover 4 Shift the Main Board in the lateral direction to disengage it from the connection to the Engine Board and take out the Main Board AcuLaser C1900 10 sc...

Page 184: ...tions and then remove the PWB A Board 5 screws See Figure 4 19 p 184 Figure 4 19 Engine Board Removal C A U T I O N When reinstalling the Engine Board take care not to catch any harness C A U T I O N When replacing the Engine Board on the repair site never forget to remove EEPROM IC3 from the IC socket PJ28 on the old board and install it in the IC socket on the new Engine Board In doing so take c...

Page 185: ...ve the wires from the code folder 5 Remove the Exhaust Fan Motor 2 screws 4 5 4 Power Supply Fan Motor M4 1 Remove the Upper Front Cover p 177 2 Remove the Top Cover p 177 3 Open the Right Door 4 Remove the Rear Cover p 178 5 Disconnect the connector PJ5 from the PWB A Board and then remove the wires from the code folder 6 Remove the Upper Rear Cover p 178 7 Remove the Power Supply Fan Motor 2 scr...

Page 186: ...Left Cover p 179 4 Remove the Protection Cover 3 screws See Figure 4 22 p 186 5 Remove the wires from the code folder 6 Remove the Power Supply Unit PU 3 screws 5 connectors 3 code folders See Figure 4 23 p 186 Figure 4 22 Protection Cover Power Supply Unit Removal Figure 4 23 Power Supply Unit Removal C A U T I O N When connecting the harness to the connector on the Power Supply Unit take care no...

Page 187: ...Main Parts Disassembly and Assembly 187 4 5 6 AIDC Sensor 1 Remove the Upper Front Cover p 177 2 Remove the Top Cover p 177 3 Remove the Left Cover p 179 4 Remove the Power Supply Unit PU p 186 5 Remove the AIDC Sensor 1 screw See Figure 4 24 p 187 Figure 4 24 AIDC Sensor Removal ...

Page 188: ...e the High Voltage Unit HV 4 screws 4 connectors 4 board holders See Figure 4 26 p 188 Figure 4 25 Controller Box Removal Figure 4 26 High Voltage Unit Removal C A U T I O N When installing the High Voltage Unit never forget to install the cover transparent plastic plate on the back of the High Voltage Unit The process system high voltage terminals are to be in direct contact with the high voltage...

Page 189: ...move the Left Cover p 179 5 Remove the Power Supply Fan Motor M4 p 185 6 Remove the High Voltage Unit HV p 188 7 Remove the Cleaner Pressure Flapper Solenoid 1 screw See Figure 4 27 p 189 Figure 4 27 Removing the Cleaner Pressure Flapper Solenoid Figure 4 28 Mounting Position of Cleaner Pressure Flapper Solenoid When installing the Cleaner Pressure Flapper Solenoid adjust the following positions P...

Page 190: ...89 2 Remove the cam inside the printer body 1 E ring and remove the Rack Drive Assy 5 screws 2 sets of harness See Figure 4 29 p 190 3 Remove the shaft of the Rack Clutch and remove the Drive Gear 1 E ring See Figure 4 30 p 190 4 Remove the Rack Motor 2 screws See Figure 4 31 p 190 Figure 4 29 Removing the Rack Drive Assy Figure 4 30 Removing the Drive Gear Figure 4 31 Removing the Rack Motor ...

Page 191: ...4 3 Remove the Controller Box See Figure 4 25 p 188 4 Remove the wires from the code folder and then remove the Ass y Cover 2 screws See Figure 4 32 p 191 5 Remove the Fuser Loop Flapper Solenoid SL6 1 screw See Figure 4 33 p 191 6 Remove the Main Motor Ass y 4 screws See Figure 4 34 p 191 Figure 4 32 Ass y Cover Removal Figure 4 33 Fuser Loop Flapper Solenoid SL6 Removal Figure 4 34 Main Motor As...

Page 192: ...Purpose Tray 1 C ring See Figure 4 36 p 192 Figure 4 35 Switch Box Removal Figure 4 36 Multi Purpose Tray Removal C H E C K P O I N T Remove the Switch Box while disengaging the one hook from the frame C A U T I O N The actuator of the Paper Empty Sensor is passing through the tray If you remove the tray with the actuator left passing through the actuator will be broken To avoid breaking the actua...

Page 193: ... Remove the Multi Purpose Tray p 192 6 Remove the Try Bottom Cover by using a mini screw driver 2 screws See Figure 4 37 p 193 7 Remove the Sensor Fixing Plate and then disconnect the connector 1 connector 8 Remove the Paper Empty Sensor See Figure 4 38 p 193 Figure 4 37 Tray Bottom Cover Removal Figure 4 38 Paper Empty Sensor Removal Install the actuator of the sensor with attention paid to the f...

Page 194: ...g Roller Heater Lamp H2 6 screws See Figure 4 40 p 194 Figure 4 39 Fuser Unit Cover Removal Figure 4 40 Removing the Fusing Roller Heater Lamp and Heating Roller Heater Lamp C H E C K P O I N T Follow the following procedures when the following parts being within the Fuser Unit are replaced by an individual part due to an image error or a part defect Heat Roller Thermistor TH1 Heater Lamp H1 H2 Th...

Page 195: ... the Thermistor TH1 and the Thermostat TS1 3 screws See Figure 4 42 p 195 6 Remove the Fusing Roller and Pressure Roller screws E rings C rings See Figure 4 43 p 195 Figure 4 41 Fusing Guide Plate Removal Figure 4 42 Thermistor Thermostat Removal Figure 4 43 Heat Roller Removal Install the Fusing Roller and Pressure Roller so that they are not out of alignment excessively Misalignment 3 mm maximum...

Page 196: ...he wires from the code folder 3 Remove the Right Door p 180 4 Remove the Right Door Cover 3 screws See Figure 4 44 p 196 5 Remove the Right Front Cover 1 screw 6 Remove the Paper Eject Unit 6 screws See Figure 4 45 p 196 7 Remove the wires from the code folder 8 Remove the Fusing Cooling Fan Motor 2 screws See Figure 4 46 p 196 Figure 4 44 Right Door Cover Right Front Cover Removal Figure 4 45 Pap...

Page 197: ...3 Remove the tab and pull off the Paper Load Roller from the shaft See Figure 4 47 p 197 4 Take out the removed Paper Load Roller through the opening on the Multi Purpose Tray mounting side 4 5 16 Separation Roller 1 Remove the Right Door p 180 2 Remove the Separation Roller Ass y See Figure 4 48 p 197 Figure 4 47 Paper Load Roller Removal Figure 4 48 Separation Roller Removal When installing the ...

Page 198: ...aser Lens Cover 1 screw See Figure 4 49 p 198 Figure 4 49 Laser Lens Cover Removal 7 Remove the two screws securing the Drum Unit Slide Cover and remove it from the fixed position Then turn over the cover and disconnect the three sets of harness from the terminals on the back and take out the cover See Figure 4 50 p 198 Figure 4 50 Drum Unit Slide Cover Removal C A U T I O N Do not touch the termi...

Page 199: ...wing harness from the connectors on the following circuit boards Engine Board PJ23 PJ24 Main Board CN801 10 Remove the Print Head PH 3 screws See Figure 4 52 p 199 Figure 4 51 Print Head Cover Removal Figure 4 52 Print Head Removal C H E C K P O I N T Remove the screws securing the Print Head under either of the following conditions The guide has been removed The guide is open and held with your h...

Page 200: ...p 179 5 Remove the Right Door p 180 6 Remove the Front Cover p 179 7 Remove the High Voltage Unit HV p 188 8 Remove the Engine Board PWB A p 184 9 Remove the Bottom Plate 11 screws See Figure 4 53 p 200 10 Remove the Manual Paper Feed Assy 5 screws See Figure 4 54 p 200 11 Remove the Manual Paper Feed Solenoid 1 screw See Figure 4 55 p 200 Figure 4 53 Removing the Bottom Plate Figure 4 54 Removing...

Page 201: ...ord holder and remove the Assy Cover 2 screws p191 5 Remove the Fuser Loop Flapper Solenoid SL6 1 screw p191 6 Remove the C rings and shaft holders from the two shafts mounted on the Fuser Loop Flapper Solenoid See Figure 4 56 p 201 7 Remove the Fuser Deceleration Drive Assy 4 screws Figure 4 56 Removing the Fuser Deceleration Drive Assy C A U T I O N In installation make sure that the projection ...

Page 202: ... the frame the screw securing a toner cartridge mounting frame on the Rack 4 Remove the screws securing the toner cartridge mounting frame 4 screws in total See Figure 4 58 p 202 5 Remove the Rack Fulcrum Cover 2 screws See Figure 4 59 p 202 6 Separate the toner cartridge mounting frame from the Rack and take them out through cut areas of the frame respectively See Figure p 202 Figure 4 57 Removin...

Page 203: ...bly and Assembly Printer Main Parts Disassembly and Assembly 203 Figure 4 60 Removing the Rack Remember that the Rack and the Toner Cartridge Mounting Frame can be installed in only one proper orientation that is can not be installed in a wrong orientation ...

Page 204: ...oller 1 Separate the 500 sheet Cassette Unit from the printer body 2 Remove the Paper Load Roller as shown in Fig 4 60 1 Lift the knob of the Paper Load Roller up 2 Put the Paper Load Roller aside to the right direction 3 Remove the Paper Load Roller 3 Install a new Paper Load Roller according to the reverse order of the above procedure 2 Figure 4 61 The 2nd Paper Load Roller Removal ...

Page 205: ...WB A 1 Disconnect the connector and take out the 500 sheet Cassette Unit Control Board Assy 3 screws See Figure 4 62 p 205 2 Remove the cover 1 screw See Figure 4 63 p 205 3 Remove the 500 sheet Cassette Unit Control Board 2 screws Figure 4 62 Removing the 500 sheet Cassette Unit Control Board Assy Figure 4 63 Removing the 500 sheet Cassette Unit Control Board ...

Page 206: ...over 2 screws See Figure 4 64 p 206 3 Remove the Duplex Unit Control Board 1 screw 3 connectors See Figure 4 65 p 206 4 7 2 Paper Feed Sensor 1 Separate the Duplex Unit from the Printer 2 Remove the Duplex Unit Control Board PWB A p 206 3 Remove the Sensor Fixing Plate and then remove the Paper Feed Sensor 1 connector See Figure 4 66 p 206 Figure 4 64 Board Protection Cover Removal Figure 4 65 Con...

Page 207: ... 2 Remove the Board Protection Cover 3 Disconnect the connector PJ1 from the Duplex Unit Control Board PWB A 4 Remove the cover of the Duplex Unit 1 screw and then remove the wires from the code folder See Figure 4 67 p 207 5 Remove the Reverse Motor and the Transfer Motor 4 screws See Figure 4 68 p 207 Figure 4 67 Cover Duplex Cover Removal Figure 4 68 Reverse Motor Transfer Motor Removal ...

Page 208: ...C H A P T E R 5 ADJUSTMENT ...

Page 209: ... AcuLaser C900 Revision B Adjustment Overview 209 5 1 Overview This section describes the adjustments required according to service components once they have been replaced and also describes procedures for such adjustments ...

Page 210: ... When you execute the program the menu window shown below will appear 2 Select the model name AcuLaser C1900 then click the OK button 3 When the window as shown below is displayed check USB ID input and click the OK button 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...

Page 211: ... as shown below appears check Verify USB ID and click the OK button 3 The window as shown below will appear and a status sheet will be printed automatically 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 never forget to confirm it on the status she...

Page 212: ...s OS Windows 95 98 Windows Me Windows NT4 0 Windows 2000 Windows XP Interface Parallel interface Can be used only in a mode where bidirectional communication is permitted USB Network interface Only TCP IP by Type B connection is supported 5 3 1 2 Conditions for Use This service utility does not require any special installation procedure It can be copied on the personal computer or can be executed ...

Page 213: ...he PC Select AcuLaser C900 and click the OK button Figure 5 2 Printer Select Window After the OK button is clicked the PC checks for connection to the selected printer If the PC has failed in connection to the selected printer the screen will display the error message as shown below Then click the OK button and the service utility will be terminated Figure 5 3 If Failed in Connection Possible caus...

Page 214: ...button Figure 5 4 Menu Screen of Service Utility Printer Information Display Printing the Engine Status Sheet Initializing the counter Select the relevant component Registering the USB ID C A U T I O N For Reset Counter on the program menu screen as shown above no button other than Fuser functions AcuLaser C900 requires counter clear only for Fuser C H E C K P O I N T With this program only the Fu...

Page 215: ...Fuser Assembly Regularly Replaced Part USB ID Registers the ID number for the USB interface in EEPROM on the Main Board 5 3 3 Operation 5 3 3 1 Engine Status Sheet Click the Status Sheet button to print the engine status sheet When the engine status sheet is being printed the process control Cycle Up Cycle Down process control of the engine will be forcedly carried out 5 3 3 2 Reset Counter When y...

Page 216: ...N T This function can not be used with network connection For replacing the Main Board note down the USB ID value of the old Main Board and input the same value into the newly installed Main Board The USB ID value will not be generated automatically by the service utility Since the ID value can be registered only in the specified format the following checks will be performed More than 18 digits ca...

Page 217: ...C H A P T E R 6 MAINTENANCE ...

Page 218: ... the same time 6 1 2 Cleaning Wipe off the dirt on the exterior surface of the printer with a dry and soft clean cloth If the dirt is not easy to remove use a neutral detergent Vacuum the dust and paper strips inside the printer The table below specifies the cleaning method for the part Use of any cleaning method other than specified can affect the printer function Table 6 1 Consumables and Regula...

Page 219: ...C H A P T E R 7 APPENDIX ...

Page 220: ...EPSON AcuLaser C1900 AcuLaser C900 Revision B Appendix Schematic Wiring Diagram 220 7 1 Schematic Wiring Diagram Fuser Loop Flapper Solenoid ...

Page 221: ...E1284 Parallel I F Compatibility Nibble ECP CN406 Type B Optional I F Slot Level 3 CN405 To Control Panel CN408 To Optional HDD Unit IDE CN600 To PWB A Board CN601 To Print Head Unit LVDS video signals CN701 On board Ethernet Network I F 10BASE 100BASE T Table 7 2 C485MAIN Board Jumpers Jumper Description JP403 Measurement unit definition mm inch Short unit mm Open unit inch JP404 Default Paper Si...

Page 222: ...ble ECP CN402 USB I F USB 1 1 CN405 Parallel I F connector CN406 Type B I F Level 2 supported CN200 SDRAM DIMM socket CN300 ROM DIMM socket Code ROM DIMM mounted CN800 Connector for connection to Engine Board PWB A CN801 Connector for connection to video signal output Connects differential output via IC601 LVDS Table 7 4 C494MAIN Board Jumpers Jumper Function JP102 Parallel I F mode setting Short ...

Page 223: ... Clutch CL1 Rack Black Position Detection Sensor PC4 PJ9 Paper Eject Sensor PC18 Thermistor TH1 PJ10 Main Motor M1 PJ11 Belt Cleaner Position Detection Sensor PC9 Cleaner Pressure Flapper Solenoid SL4 PJ12 Second Transfer Roller Pressure Solenoid Sl5 Timing Roller Pressure Solenoid Sl3 2nd Transfer Roller Pressure Position Detection Sensor PC7 PJ13 Timing Roller Front Sensor PC2 OHP Sensor PC3 Tra...

Page 224: ... Unit or new Photoconductor Unit Connection to the terminals on the back of the Drum Unit Slide Cover PJ22 Connector for connection to High Voltage Power Supply Board HVPS PJ23 Connector for connection to Laser Control Board on PH Unit PJ24 Polygon Motor M3 PJ25 Fuser Cooling Fan Motor M5 PJ26 AIDC Sensor AIDC PJ27 Toner Cartridge Detection Sensor PC8 PJ28 Socket for EEPROM IC3 PJ29 Fuser Loop Fla...

Page 225: ...29 100 3541 3726 3544 3541 2706 3544 8301 3503 3503 3541 3726 1399 3541 3547 3726 3501 3727 3544 M4 CR U 3541 C485 CAS E 001 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 01 1 R ev 01 C485 ...

Page 226: ... 2518 3504 3544 22 20 21 18 18 18 19 101 C485 E LE C 001 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 01 2 R ev 01 C485 ...

Page 227: ...07 05 13 PC11 PC12 9301 9301 3501 3501 M5 3727 3501 3726 3727 3727 3727 3501 9302 3504 3548 3727 3727 3501 3727 C485 ME CH 001 FOR E PS ON AcuLaser C1900 NO 02 R ev 01 C485 The parts to which no reference number is assigned will not be available as after sale service parts ...

Page 228: ...13 04 02 03 14 3501 3504 3501 3504 3501 3501 3501 3504 CR U PC4 C485 ME CH 002 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 03 R ev 01 C485 ...

Page 229: ...6 CL1 9107 9107 3501 9302 3501 9107 0508 0508 3501 9302 9302 3501 3501 9107 3501 9302 9302 0508 9107 0508 0508 3501 9302 3501 9107 3501 9107 9107 1308 3501 9107 9302 9112 0502 9109 C485 ME CH 003 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 04 R ev 01 C485 ...

Page 230: ...25 03 16 17 22 21 19 19 M1 M6 9107 3501 3501 3501 9107 9107 3932 9302 9302 3504 3501 3501 3501 3501 3727 3727 3727 C485 ME CH 004 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 05 R ev 01 C485 ...

Page 231: ...9 10 08 AIDC PC8 PWB A HV PU 3504 3501 3501 3727 3504 3501 3504 3501 3501 3501 3501 1305 C485 ME CH 005 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 06 R ev 01 C485 ...

Page 232: ... H2 PC10 3501 3504 3504 3504 3726 3504 1305 3501 1308 9107 9107 1308 3727 3727 3727 3727 3727 1308 1308 1308 1308 3727 1308 9107 9107 1308 C485 ME CH 006 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 07 R ev 01 C485 ...

Page 233: ...1 1305 3501 3501 3734 3504 3501 1308 3501 3930 3524 1301 9303 15 08 17 01 02 04 03 04 05 06 07 07 13 12 11 14 12 10 09 04 04 16 C485 ME CH 007 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 08 R ev 01 C485 ...

Page 234: ...C3B 3727 9107 1305 9302 9112 9107 9107 3727 3727 9107 9107 3727 3727 3727 3931 9107 9112 9301 0508 0509 0509 0509 9301 0509 C485 ME CH 008 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 09 R ev 01 C485 ...

Page 235: ...27 3727 3727 09 11 15 16 20 13 29 03 10 12 12 14 14 17 18 19 21 22 26 23 08 07 06 05 04 24 25 31 28 27 02 33 32 C485 ME CH 009 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 10 R ev 01 C485 ...

Page 236: ...C485 TOOL 001 The parts to which no reference number is assigned will not be available as after sale service parts FOR E PS ON AcuLaser C1900 NO 11 R ev 01 C485 01 02 04 05 07 03 06 ...

Page 237: ... 25 37 24 3541 3726 3544 3541 2706 3544 8301 3503 3503 3541 3726 1399 3541 3547 3726 3501 3727 3544 M4 CR U 3541 C494 CAS E 001 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 01 1 R ev 01 C494 ...

Page 238: ...101 C494 E LE C 001 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 01 2 R ev 01 C494 22 19 20 2101 2518 3504 3544 21 101 102 ...

Page 239: ...5 13 PC11 PC12 9301 9301 3501 3501 M5 3727 3501 3726 3727 3727 3727 3501 9302 3504 3548 3727 3727 3501 3727 C494 ME CH 001 FOR LP 1500C E PS ON AcuLaser C900 NO 02 R ev 01 C494 The parts to which no reference number is assigned will not be available as after sale service parts ...

Page 240: ...4 02 03 14 3501 3504 3501 3504 3501 3501 3501 3504 CR U PC4 C494 ME CH 002 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 03 R ev 01 C494 ...

Page 241: ...1 9107 9107 3501 9302 3501 9107 0508 0508 3501 9302 9302 3501 3501 9107 3501 9302 9302 0508 9107 0508 0508 3501 9302 3501 9107 3501 9107 9107 1308 3501 9107 9302 9112 0502 9109 C494 ME CH 003 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 04 R ev 01 C494 ...

Page 242: ...3 16 17 22 21 19 19 M1 M6 9107 3501 3501 3501 9107 9107 3932 9302 9302 3504 3501 3501 3501 3501 3727 3727 3727 C494 ME CH 004 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 05 R ev 01 C494 ...

Page 243: ... 08 AIDC PC8 PWB A HV PU 3504 3501 3501 3727 3504 3501 3504 3501 3501 3501 3501 1305 C494 ME CH 005 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 06 R ev 01 C494 ...

Page 244: ...PC10 3501 3504 3504 3504 3726 3504 1305 3501 1308 9107 9107 1308 3727 3727 3727 3727 3727 1308 1308 1308 1308 3727 1308 9107 9107 1308 C494 ME CH 006 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 07 R ev 01 C494 ...

Page 245: ...05 3501 3501 3734 3504 3501 1308 3501 3930 3524 1301 9303 15 08 17 01 02 04 03 04 05 06 07 07 13 12 11 14 12 10 09 04 04 16 C494 ME CH 007 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 08 R ev 01 C494 ...

Page 246: ...3727 9107 1305 9302 9112 9107 9107 3727 3727 9107 9107 3727 3727 3727 3931 9107 9112 9301 0508 0509 0509 0509 9301 0509 C494 ME CH 008 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 09 R ev 01 C494 ...

Page 247: ...727 3727 09 11 15 16 20 13 29 03 10 12 12 14 14 17 18 19 21 22 26 23 08 07 06 05 04 24 25 31 28 27 02 33 32 C494 ME CH 009 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 10 R ev 01 C494 ...

Page 248: ...C494 TOOL 001 The parts to which no reference number is assigned will not be available as after sale service parts FOR LP 1500C E PS ON AcuLaser C900 NO 11 R ev 01 C494 01 02 04 05 07 03 06 ...

Page 249: ... COVER 01 27 FILTER 01 28 PLATE SPRING 01 29 WIRE HARNESS 01 31 COVER 01 33 FRONT COVER 01 34 LEVER 1399 SCREW 2706 SCREW 3501 TAPPING SCREW 3503 TAPPING SCREW 3541 TAPPING SCREW 3544 TAPPING SCREW 3547 SCREW 3726 TAPPING SCREW 3727 TAPPING SCREW 8301 WASHER 01 101 GUIDE RAIL 01 18 SHOULDER SCREW 01 19 COVER 01 20 BRACKET 01 21 GROUND PLATE 01 22 BOARD ASSY MAIN 2101 SCREW 2518 SCREW 3504 TAPPING ...

Page 250: ...ER 03 13 SHAFT 03 14 SEAL 04 01 GEAR 04 02 BUSHING 04 03 FLANGE 04 04 PULLEY Table 7 6 ASP List for AcuLaser C1900 continued Ref No Part Name 04 05 DRIVING ASSY 04 06 TIMING BELT 04 07 FLANGE 04 08 WIRE HARNESS ASSY 04 09 FUSION DECELERATION UNIT 04 10 SOLENOID 04 11 RACK DRIVE ASSY 04 12 WIRE HARNESS ASSY 04 13 CLUTCH 04 14 PHOTO INTERRUPUTER 04 15 GEAR 04 16 GEAR 04 17 LEVER ASSY 04 18 TENSION S...

Page 251: ...8 PIN Table 7 6 ASP List for AcuLaser C1900 continued Ref No Part Name 05 29 CONTACT 05 30 WIRE HARNESS ASSY 05 31 CONTACT 0502 PIN 0508 PIN 0509 PIN 06 01 AIDC ASSY 06 02 PWB ASSY 06 03 WIRE HARNESS ASSY 06 04 WIRE HARNESS ASSY 06 05 HV TRANSFORMER 06 06 POWER CORD 06 07 PWB SUPPORT 12 7H 06 08 WIRE HARNESS ASSY 06 09 SWITCH 06 10 WIRE HARNESS ASSY 06 11 POWER SUPPLY 100V 06 12 SOLID STATE SWITCH...

Page 252: ...PLUG HOUSING 08 14 WIRE HARNESS ASSY 08 15 TRANSPORT SWITCH ASSY 08 16 PUSHBUTTON SWITCH Table 7 6 ASP List for AcuLaser C1900 continued Ref No Part Name 08 17 SOLID STATE SWITCH 09 01 SHOULDER SCREW 09 02 TRANSFER UNIT 09 03 CLEANING PAD 09 04 TORSION SPRING 09 05 SOLID STATE SWITCH 09 06 PHOTO INTERRUPUTER 09 07 ACTUATOR 09 08 SOLENOID 09 09 SOLENOID 09 10 SOLID STATE SWITCH 10 02 GUIDE 10 03 PR...

Page 253: ... 1308 SCREW 1318 SCREW 3524 TAPPING SCREW 3548 TAPPING SCREW 3734 SCREW 3930 SCREW 3931 TAPPING SCREW 3932 SCREW 9107 RETAINING RING 9109 RETAINING RING 9112 RETAINING RING 9301 RETAINING RING 9302 RETAINING RING 9303 RETAINING RING 11 01 WIRING SADDLE 11 02 WIRING SADDLE 9 2H Table 7 6 ASP List for AcuLaser C1900 continued Ref No Part Name 11 03 WIRING SADDLE 15 2H 11 04 EDGE COVER 8 5H 11 05 EDG...

Page 254: ...RE HARNESS 01 31 COVER 01 33 FRONT COVER 01 34 LEVER 01 37 COVER 1399 SCREW 2706 SCREW 3501 TAPPING SCREW 3503 TAPPING SCREW 3541 TAPPING SCREW 3544 TAPPING SCREW 3547 SCREW 3726 TAPPING SCREW 3727 TAPPING SCREW 8301 WASHER 01 101 GUIDE RAIL 01 102 BOARD ASSY MEMORY 01 19 COVER TYPE B 01 20 BRACKET 01 21 GROUND PLATE 01 22 BOARD ASSY MAIN 2101 SCREW 2518 SCREW 3504 TAPPING SCREW IC101 ASIC IC102 E...

Page 255: ... 04 03 FLANGE 04 04 PULLEY 04 05 DRIVING ASSY 04 06 TIMING BELT 04 07 FLANGE Table 7 7 ASP List for AcuLaser C900 continued Ref No Part Name 04 08 WIRE HARNESS ASSY 04 09 FUSION DECELERATION UNIT 04 10 SOLENOID 04 11 RACK DRIVE ASSY 04 12 WIRE HARNESS ASSY 04 13 CLUTCH 04 14 PHOTO INTERRUPUTER 04 15 GEAR 04 16 GEAR 04 17 LEVER ASSY 04 18 TENSION SPRING 04 19 GEAR 04 20 TENSION SPRING 04 21 GEAR 04...

Page 256: ...SY 05 31 CONTACT Table 7 7 ASP List for AcuLaser C900 continued Ref No Part Name 0502 PIN 0508 PIN 0509 PIN 06 01 AIDC ASSY 06 02 PWB ASSY 06 03 WIRE HARNESS ASSY 06 04 WIRE HARNESS ASSY 06 05 HV TRANSFORMER 06 06 POWER CORD 06 07 PWB SUPPORT 12 7H 06 08 WIRE HARNESS ASSY 06 09 SWITCH 06 10 WIRE HARNESS ASSY 06 11 POWER SUPPLY 200V 06 12 SOLID STATE SWITCH 06 13 WIRE HARNESS ASSY 06 14 PWB SUPPORT...

Page 257: ...TRANSPORT SWITCH ASSY 08 16 PUSHBUTTON SWITCH 08 17 SOLID STATE SWITCH 09 01 SHOULDER SCREW 09 02 TRANSFER UNIT Table 7 7 ASP List for AcuLaser C900 continued Ref No Part Name 09 03 CLEANING PAD 09 04 TORSION SPRING 09 05 SOLID STATE SWITCH 09 06 PHOTO INTERRUPUTER 09 07 ACTUATOR 09 08 SOLENOID 09 09 SOLENOID 09 10 SOLID STATE SWITCH 10 02 GUIDE 10 03 PRESSURE SPRING 10 04 HOLDER 10 05 TENSION SPR...

Page 258: ...3524 TAPPING SCREW 3548 TAPPING SCREW 3734 SCREW 3930 SCREW 3931 TAPPING SCREW 3932 SCREW 9107 RETAINING RING 9109 RETAINING RING 9112 RETAINING RING 9301 RETAINING RING 9302 RETAINING RING 9303 RETAINING RING 11 01 WIRING SADDLE 11 02 WIRING SADDLE 9 2H 11 03 WIRING SADDLE 15 2H 11 04 EDGE COVER 8 5H 11 05 EDGE COVER Table 7 7 ASP List for AcuLaser C900 continued Ref No Part Name 11 06 EDGE COVER...

Page 259: ...EPSON AcuLaser C1900 AcuLaser C900 Revision B Appendix Circuit Diagram 259 7 4 Circuit Diagram The following pages show circuit diagram of the controller ...

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