Epson AcuLaser C2900N Service Manual
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Epson AcuLaser C2900N Service Manual

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Table of Contents

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See also: User Manual
Revision B
SERVICE MANUAL
Laser Printer
Epson AcuLaser C2900N
MiS00001SA
SEPG11001
Epson AcuLaser C2900N
Confidential

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Summary of Contents for Epson AcuLaser C2900N

  • Page 1 Revision B SERVICE MANUAL Laser Printer Epson AcuLaser C2900N MiS00001SA SEPG11001 Epson AcuLaser C2900N Confidential...
  • Page 2 Operation contents of this document may be subject to modification without notice. SEIKO EPSON will not assume responsibility for accidental or incidental damages resulting from technical or editorial errors or omissions in this manual, the issue of this manual, the execution of descriptions in this manual, or the use of this manual.

  • Page 3: Marks Giving Caution

    Revision B 1. About this manual This manual is a standard service manual of SEIKO EPSON containing information required for maintenance of this laser printer (standard specifications). 2. Marks giving caution Maintenance operations requiring special cautions or additional information regarding descriptions in this manual are presented as "Warning,"...

  • Page 4: Safety

    While the printer is on, never touch live parts if not required. Power is supplied to the power switch / inlet even while the printer is off. Never touch its live components. Do not touch live parts unless otherwise specified. MiS00002SA Epson AcuLaser C2900N Confidential...

  • Page 5: Driving Units

    Remove the power plug and start service processes after they have cooled down sufficiently. Because high-temperature units are still hot after they complete an operation, wait at least 40 minutes before starting maintenance service. Epson AcuLaser C2900N Confidential...

  • Page 6: Laser Beams

    • Being highly converged, the laser beams exert a heating action that may be harmful to human body. Reference: The laser beams of this laser printer are invisible rays. ROS ASSY MiS00003SA Epson AcuLaser C2900N Confidential...

  • Page 7: Warning/Caution Labels

    Revision B 4.5 Warning/caution labels Warning labels and caution labels are attached to this laser printer to prevent accidents Check those labels for peeling or stains when servicing the printer. 4.5.1 Caution label for Printer MiS00004SA Epson AcuLaser C2900N Confidential...

  • Page 8: Caution Label For Ros

    • When air duster is used on the repair and the maintenance work, the use of the air duster products containing the inflammable gas is prohibited. • Make sure an antivirus software is installed on the computer used for service support. Be sure to have the latest virus definition file for the software. Epson AcuLaser C2900N Confidential...

  • Page 9: Unpacking The Printer

    Revision B 5. Unpacking the Printer Take extreme care to avoid personal injuries. Check the printer for evidence of any damages. Peel all tapes off the printer. MiS00010GA Epson AcuLaser C2900N viii Confidential...
  • Page 10 6. Revision History Revision Date of Issue Description May 20, 2011 First release Revision up Chapter3: July 7, 2011 RRP8.3 PWBA ESS SFP (PL8.1.5): revised the contents par- tially. RRP8.9 PWBA MCU (PL8.2.13): revised the contents partially. Epson AcuLaser C2900N Confidential...

  • Page 11: Table Of Contents

    Chapter 4 Plug/Jack(P/J) Connector Locations..............4 - 1 Chapter 5 Parts List......................5 - 1 Chapter 6 Principles of Operation ..................6 - 1 Chapter 7 Wiring Diagrams and Signal Information ............7 - 1 Chapter 8 Product Specifications ...................8 - 1 Epson AcuLaser C2900N Confidential...

  • Page 12: Chapter 1 Troubleshooting

    CHAPTER Troubleshooting Confidential...
  • Page 13 4.3 Image Quality FIP ......................... 1 - 134 5. Abnormal Noise Trouble..................1 - 173 5.1 Entry Chart for Abnormal Noise Troubleshooting ................. 1 - 173 5.2 Operation Mode Table ........................1 - 174 6. Other FIP .........................1 - 180 Epson AcuLaser C2900N Confidential...

  • Page 14: Troubleshooting Overview

    Flow of the troubleshooting is as follows: Check installation status Operation of Diagnostic Check trouble status Principles of Operation Wiring Diagrams Execute FIP Reference information Check for recovery If the problem persists Replace the Printer. Epson AcuLaser C2900N 1 - 1 Confidential...

  • Page 15: Check Installation Status

    The printer is installed on a firm and stable surface. 10) The paper meets the specifications (standard paper is recommended). 11) The printer is handled properly. 12) The high frequency service items are replaced at the recommended print count intervals. Epson AcuLaser C2900N 1 - 2 Confidential...

  • Page 16: Cautions On Service Operations

    - The instructions in this manual must be followed. When touching hot parts, be careful not to get burnt. While working, be sure to wear a wrist band or the like to dissipate static charges from your body. Epson AcuLaser C2900N 1 - 3 Confidential...

  • Page 17: Cautions On Using Fip

    13) In the FIP, "Replacement" means the replacement of the parts that are considered to be the cause of the trouble. Replacement of those parts means the replacement of the assembly part (HIGH ASSY) that contain them. Epson AcuLaser C2900N 1 - 4 Confidential...
  • Page 18 15) Some of the instructions in the FIP are branched off depending on the specifications. Follow the applicable instruction. 16) For some optional components, you may have to refer to the manual of the relevant component for troubleshooting. Have the relevant manual at hand as needed. Epson AcuLaser C2900N 1 - 5 Confidential...

  • Page 19: Items To Be Confirmed Before Going To Fip Troubleshooting

    Print a Panel Setting page to verify that the current interfaces settings are correct. h) Output fonts will not print correctly using the PCL driver in its default mode. To correct this problem, use PostScript driver when using the PCL driver. Epson AcuLaser C2900N 1 - 6 Confidential...
  • Page 20 Feeder" and "Loading Print Media in the SSI" for detailed loading instructions. Paper Characteristics The following paper characteristics affect print quality and reliability. It is recommended that you follow these guidelines when evaluating new paper stock. Epson AcuLaser C2900N 1 - 7 Confidential...
  • Page 21 • Preprinted paper that can be affected by the temperature in the fuser unit. • Preprinted paper that requires a registration (the precise print location on the page) greater than ±0.09 inches, such as optical character recognition (OCR) forms. Epson AcuLaser C2900N 1 - 8 Confidential...
  • Page 22 • Ensure that the paper is properly loaded in the tray. • Flex the paper back and forth, and then fan them. Straighten the edges of the stack on a level sur- face. Epson AcuLaser C2900N 1 - 9 Confidential...
  • Page 23 60 to 105 g/m Hole Punched 60 to 105 g/m Colored 60 to 105 g/m Special Lightweight Cardstock 106 to 163 g/m Heavyweight Cardstock 164 to 216 g/m Lightweight Glossy Card Heavyweight Glossy Card Labels Envelopes Epson AcuLaser C2900N 1 - 10 Confidential...
  • Page 24 Coated Inkjet printer paper cannot be used. 106 to 163 g/m Coated Thick Inkjet printer paper cannot be used. 164 to 216 g/m Letterhead Preprinted 64 g/m Prepunched 64 g/m Colored 64 g/m Epson AcuLaser C2900N 1 - 11 Confidential...

  • Page 25: Fip

    Quality Troubleshooting." When image quality trouble is occurred: Refer to "4.3 Image Quality FIP." Refer to "5.1 Entry Chart for Abnormal Noise Troubleshooting." When abnormal noise is occurred: Refer to "5.2 Operation Mode Table." Epson AcuLaser C2900N 1 - 12 Confidential...

  • Page 26: Status Code List

    Verify Flash Err Restart Printer <Download Verify Error> FIP-1.6 Flip Flash memory verify error occurred. Error 016-502 Restart Printer Certificate Fail Contact Admin. <Ipsec Certificate Error> FIP-1.7 Flip Ipsec Certificate Error. Error 016-520 Restart Printer Epson AcuLaser C2900N 1 - 13 Confidential...
  • Page 27 Press Ok Button <PDF password error> FIP-1.11 Flip PDF password error. Error 016-753 Press Ok Button PDF Print Disabled <PDF print disabled error> FIP-1.11 Flip PDF print is not allowed. Error 016-755 Press Ok Button Epson AcuLaser C2900N 1 - 14 Confidential...
  • Page 28 <Waiting for "Continue" key to be pressed after reloading Press Ok Button paper to the SSI> FIP-1.21 to continue Printer starts printing automatically after a certain period of time even if the key is not pressed. Epson AcuLaser C2900N 1 - 15 Confidential...
  • Page 29 The temp. Sensor sensed high temperature. Error 042-700 Please Wait... Laser Error Restart Printer <IOT ROS Failure> 061 370 FIP-1.29 Flip The operation error of ROS (rotational error etc.) is detected. Error 061-370 Restart Printer Epson AcuLaser C2900N 1 - 16 Confidential...
  • Page 30 Open Front Cover and Remove Paper Jam at Front Cover <IOT Regi OFF Jam> The paper does not pass through the Regi Sensor within the FIP-1.38 Flip specified time. Open Front Cover and Remove Paper Epson AcuLaser C2900N 1 - 17 Confidential...
  • Page 31 The paper remains at the Regi Sensor. Open Front Cover and Remove Paper Jam at Duplexer <IOT Remain Duplex JAM> Flip FIP-1.47 The paper remains at the Duplex area. Open Front Cover Lift Duplexer Epson AcuLaser C2900N 1 - 18 Confidential...
  • Page 32 When all the toner cartridges are simultaneously approaching 093 423 FIP-1.57 Flip the replacement time, a warning is indicated on the LCD panel Ready to Print in the following order: 1)Black → 2)Cyan → 3)Magenta → Replace Soon 4)Yellow Epson AcuLaser C2900N 1 - 19 Confidential...
  • Page 33 When all the toner cartridges have simultaneously reached FIP-1.61 Cyan Cartridge the replacement time, a warning is indicated on the LCD panel in the following order: 1)Black → 2)Cyan → 3)Magenta → 4)Yellow Epson AcuLaser C2900N 1 - 20 Confidential...
  • Page 34 LCD panel in the following order: 1)Black → 2)Cyan → 3)Magenta → 4)Yellow Ready to Print TransferUnitLife <IOT Belt Unit Near Life> 094 422 FIP-1.63 Flip The Belt Unit has reached the replacement time. Ready to Print Replace Soon Epson AcuLaser C2900N 1 - 21 Confidential...
  • Page 35 <ESS Instruction Cache Error> FIP-1.6 Flip The CPU instruction cache error occurred. Error 116-327 Restart Printer Controller Error Restart Printer <ESS Data Cache Error> FIP-1.6 Flip The CPU cache error occurred. Error 116-328 Restart Printer Epson AcuLaser C2900N 1 - 22 Confidential...
  • Page 36 Upon turning the power ON, an error occurred during checks on consistency of the NVRAM size between the system- FIP-1.6 Flip required one and actual one and on consistency of the Error 116-390 recorded IDs. Restart Printer Epson AcuLaser C2900N 1 - 23 Confidential...
  • Page 37 <Collate Full> FIP-1.68 Flip Unable to collate due to insufficient memory. Error 116-721 Press Ok Button Ready to Print <Custom Toner Mode> 193 700 FIP-1.69 Non-GenuineToner The printer is in custom toner mode. Epson AcuLaser C2900N 1 - 24 Confidential...

  • Page 38: Error Code Fip

    Checking after replacing the FEEDER ASSY OPT. Replace the Replace the FEEDER ASSY OPT. (Refer to RRP10.1.) PWBA MCU. End of work. Does the error still occur when the power is turned ON? (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 25 Confidential...
  • Page 39 HARNESS ASSY Go to step 5. Disconnect J47 from the PWBA LVPS. FUSING UNIT MG Is each cable of J17 and J47 <=> P171 continuous? SFP. NOTE: P171 is attached to the frame. Epson AcuLaser C2900N 1 - 26 Confidential...
  • Page 40 Checking after the PWBA LVPS. Replace the Replace the PWBA LVPS. (Refer to RRP8.5.) PWBA MCU. End of work. Does the error still occur when the power is turned off and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 27 Confidential...
  • Page 41 PWBA MCU. End of work. Does the error still occur when the power is turned OFF and (Refer to RRP8.9.) NOTE: After replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 28 Confidential...
  • Page 42 Replace the continuity. HARNESS ASSY Disconnect J14 from the PWBA MCU. Go to step 7. LVPS MAIN MG Disconnect J501 from the PWBA LVPS. SFP. Is each cable of J14 <=> J501 continuous? Epson AcuLaser C2900N 1 - 29 Confidential...
  • Page 43 Checking after the PWBA LVPS. Replace the Replace the PWBA LVPS. (Refer to RRP8.5.) PWBA MCU. End of work. Does the error still occur when the power is turned off and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 30 Confidential...
  • Page 44 PWBA MCU. End of work Does the error still occur when the power is turned OFF and (Refer to RRP8.9.) NOTE: After replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 31 Confidential...
  • Page 45 Remedy Step Check Possible causative parts: PWBA ESS SFP (PL8.1.7) Replace the Does the error still occur when the power is turned OFF and PWBA ESS SFP. End of work. (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 32 Confidential...
  • Page 46 Checking after replacing the PWBA ESS SFP. Replace the Replace the PWBA ESS SFP. (Refer to RRP8.3.) PWBA MCU. End of work. Does the error still occur when the power is turned off and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 33 Confidential...
  • Page 47 Deleting the data by executing Clear Storage. Execute process cannot be "Clear Storage"under [Maintenance] in the Control Panel. continued End of work. Does the error persist during printing? because the memory capacity is exceeded. Epson AcuLaser C2900N 1 - 34 Confidential...
  • Page 48 Checking after replacing the Cable. Replace the Replace the cable. (USB cable or I/F cable) PWBA ESS SFP. End of work. Does the error still occur when the power is turned off and (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 35 Confidential...
  • Page 49 Checking re-downloading the correct file for C2900. Replace the Re-download the correct file from web site. PWBA ESS SFP. End of work. Does the error still occur when the power is turned OFF and (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 36 Confidential...
  • Page 50 Possible causative parts: Checking the PDF data. -Enter the correct PDF document password again. Upgrade the End of work. -Change the PDF document security setting. firmware. Does the error still occur when printing? Epson AcuLaser C2900N 1 - 37 Confidential...
  • Page 51 Remedy Step Check Possible causative parts: Checking the user‘s account setting. Upgrade the Set the correct user‘s account (user name and password). End of work. firmware. Does the error still occur when printing? Epson AcuLaser C2900N 1 - 38 Confidential...
  • Page 52 FIP-1.13 016-758: Auditron - Disabled Function Remedy Step Check Possible causative parts: Checking the “Black&White” setting. Upgrade the Set the [Color Mode] to the [Color]. End of work. firmware. Does the error still occur when printing? Epson AcuLaser C2900N 1 - 39 Confidential...
  • Page 53 Step Check Possible causative parts: Checking the “Color Track” setting. Set the correct value of [User Registration] exceed the Upgrade the End of work. limitation. firmware. Does the error still occur when printing? Epson AcuLaser C2900N 1 - 40 Confidential...
  • Page 54 Does the error still occur when printing the Windows test End of work. print? Replace the Checking the firmware version. Upgrade the PWBA ESS SFP. Is the firmware the latest version? firmware. (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 41 Confidential...
  • Page 55 Checking after resetting the MEMORY CARD (OPTION). Replace the Replace the MEMORY CARD. (Refer to RRP8.4.) PWBA ESS SFP. End of work. Does the error still occur when turning on the power? (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 42 Confidential...
  • Page 56 Does the error still occur when the power is turned OFF and Noise. *1: Though some kind of foreign noise would be possible cause, go to FIP Electrical Noise in Other FIP and check, to make sure. Epson AcuLaser C2900N 1 - 43 Confidential...
  • Page 57 (Refer to "1.2 Firmware version up procedure using the Replace the download mode" of "Appendix_1 Firmware download".) PWBA MCU End of work. (Refer to RRP8.9). Does the error still occur when the power is turned off and Epson AcuLaser C2900N 1 - 44 Confidential...
  • Page 58 Go to step 2. firmware, then go Is the firmware the latest version? step 2. Replace the Checking the error. PWBA ESS SFP. End of work. Does the error still occur when printing? (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 45 Confidential...
  • Page 59 Checking after replacing the PWBA MCU. Replace the Replace the PWBA MCU. (Refer to RRP8.9.) PWBA ESS SFP. End of work. Does the error still occur when the power is turned OFF and (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 46 Confidential...
  • Page 60 FIP-1.21 024-985: Waiting for "Continue" key to be pressed after reloading paper to the Remedy Step Check Possible causative parts: PWBA ESS SFP (PL8.1.7) Replace the Checking the firmware version. Upgrade the PWBA ESS SFP. Is the firmware the latest version? firmware. (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 47 Confidential...
  • Page 61 Remedy Step Check Possible causative parts: Checking the IP addresses. Remove the duplicate IP addresses. Upgrade the End of work. Does the error still occur when the power is turned off and firmware. Epson AcuLaser C2900N 1 - 48 Confidential...
  • Page 62 Does the error still occur when the power is turned OFF and Noise. *1: Though some kind of foreign noise would be possible cause, go to FIP Electrical Noise in Other FIP and check, to make sure. Epson AcuLaser C2900N 1 - 49 Confidential...
  • Page 63 Replace the continuity. HARNESS ASSY Disconnect J501 from the PWBA LVPS. Go to step 8. LVPS MAIN MG Disconnect J14 from the PWBA MCU. SFP. Is each cable of J501 <=> J14 continuous? Epson AcuLaser C2900N 1 - 50 Confidential...
  • Page 64 Checking after replacing the PWBA LVPS. Replace the Replace the PWBA LVPS. (Refer to RRP8.5.) PWBA MCU. End of work. Does the error still occur when the power is turned OFF and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 51 Confidential...
  • Page 65 DRIVE ASSY Are the voltages across J21-2pin/J21-4pin <=> ground on PWBA MCU. MAIN. (Refer to the PWBA MCU, about +24 VDC when the interlock switch (Refer to RRP8.9.) RRP7.2.) (HARN ASSY INTERLOCK) is pushed? Epson AcuLaser C2900N 1 - 52 Confidential...
  • Page 66 DRIVE ASSY Are the voltages across J22-2pin/J22-4pin <=> ground on PWBA MCU. SUB. (Refer to the PWBA MCU, about +24 VDC when the interlock switch (Refer to RRP8.9.) RRP7.1.) (HARN ASSY INTERLOCK) is pushed? Epson AcuLaser C2900N 1 - 53 Confidential...
  • Page 67 Replace the Replace the Disconnect P/J24 from the PWBA MCU. PWBA MCU. DRIVE ASSY PH. Is the resistance across J24-1 and J24-2 about 80 to 110- (Refer to RRP8.9.) (Refer to RRP7.3.) ohm? Epson AcuLaser C2900N 1 - 54 Confidential...
  • Page 68 (Refer to RRP7.3.) During this check, close the COVER ASSY FRONT MG. Does the status (L or H) change, when a piece of paper is inserted into the gap of the K Mode Sensor? Epson AcuLaser C2900N 1 - 55 Confidential...
  • Page 69 Replace the Replace the Disconnect P/J20 on the PWBA MCU. SENSOR HUM. PWBA MCU. Is the voltage across ground <=> J20-4pin on the PWBA (Refer to RRP8.7.) (Refer to RRP8.9.) MCU, about +5VDC? Epson AcuLaser C2900N 1 - 56 Confidential...
  • Page 70 Checking after replacing the ROS ASSY. Replace the Replace the ROS ASSY. (Refer to RRP4.1.) PWBA MCU. End of work. Does the error still occur when the power is turned OFF (Refer to RRP8.9.) and ON? Epson AcuLaser C2900N 1 - 57 Confidential...
  • Page 71 HOLDER ASSY Pull the Tray 1 out from the printer. Go to step 10. RETARD. Is the HOLDER ASSY RETARD not contaminated and/or (Refer to RRP2.2.) damaged, and rotated smoothly? Epson AcuLaser C2900N 1 - 58 Confidential...
  • Page 72 Remove the CHUTE ASSY LOW (PL3.2.27) once to check ROLL M. If broken Go to step 18. the shape and operation. or deformed, Are the shape and operation of the ACTUATOR REGI replace it with a ROLL M normal? new one. Epson AcuLaser C2900N 1 - 59 Confidential...
  • Page 73 Checking the HARN ASSY L SIDE for continuity Replace the Disconnect J23 from the PWBA MCU. Go to step 24. HARN ASSY L Disconnect P231 from the SOLENOID FEED MSI. SIDE. Is each cable of J23 <=> P231 continuous? Epson AcuLaser C2900N 1 - 60 Confidential...
  • Page 74 SENSOR Remove the CHUTE ASSY LOW (PL3.2.27) once to check PWBA MCU. PHOTO:REGI. the operation. (Refer to RRP8.9.) (Refer to RRP3.8.) Does the voltage change, when the actuator (ACTUATOR REGI IN) is operated? Epson AcuLaser C2900N 1 - 61 Confidential...
  • Page 75 Checking the CLUTCH ASSY DRV for resistance. Replace the Replace the Disconnect P/J262 of the CLUTCH ASSY DRV. CLUTCH ASSY PWBA MCU. Is the resistance across J262-1 and J262-2 approximately DRV. (Refer to (Refer to RRP8.9.) 280-ohm? RRP3.1.) Epson AcuLaser C2900N 1 - 62 Confidential...
  • Page 76 HOLDER ASSY Pull the Tray 2 out from the printer. Go to step 10. RETARD. (Refer Is the HOLDER ASSY RETARD not contaminated and/or to RRP2.2.) damaged, and rotated smoothly? Epson AcuLaser C2900N 1 - 63 Confidential...
  • Page 77 Checking the HARNESS ASSY TEAY MOT for continuity. Replace the Disconnect J422 from the PWBA FEED H. Go to step 21. HARNESS ASSY Disconnect J4211 from the MOTOR ASSY SUB. TRAY MOT. Is each cable of J422 <=> J4211 continuous? Epson AcuLaser C2900N 1 - 64 Confidential...
  • Page 78 Checking the Feed Clutch for resistance. Replace the Feed Disconnect P/J4201 of the Feed Clutch. Replace the Clutch (CLUTCH Is the resistance across J4201-1 and J4201-2 PWBA FEED H. ASSY DRV). approximately 280-ohm? Epson AcuLaser C2900N 1 - 65 Confidential...
  • Page 79 Reset the Guide Sides and End Guide, and reseat the Tray Go to step 9. End of work. 1 or Tray 2 to the printer correctly. Does the error still occur when printing? Epson AcuLaser C2900N 1 - 66 Confidential...
  • Page 80 Go to step 30. Does the Regi. Clutch (CLUTCH ASSY DRV) operate properly, and the ROLL ASSY REGI and ROLL REGI METAL rotate? During this check, cheat the interlock switch (HARN ASSY INTERLOCK). Epson AcuLaser C2900N 1 - 67 Confidential...
  • Page 81 (Cassette Feed Solenoid) for connection Check the connections between the PWBA MCU and SOLENOID FEED MSI. Are P/J23 and P/J231 connected correctly? Reconnect the connector(s) P/ Go to step 23. J23 and/or P/J231 correctly. Epson AcuLaser C2900N 1 - 68 Confidential...
  • Page 82 SENSOR Remove the CHUTE ASSY LOW (PL3.2.27) once to check PWBA MCU. PHOTO:REGI. the operation. (Refer to RRP8.9.) (Refer to RRP3.8.) Does the voltage change, when the actuator (ACTUATOR REGI IN) is operated? Epson AcuLaser C2900N 1 - 69 Confidential...
  • Page 83 Checking the CLUTCH ASSY DRV for resistance. Replace the Replace the Disconnect P/J262 of the CLUTCH ASSY DRV. CLUTCH ASSY PWBA MCU. Is the resistance across J262-1 and J262-2 approximately DRV. (Refer to (Refer to RRP8.9.) 280-ohm? RRP3.1.) Epson AcuLaser C2900N 1 - 70 Confidential...
  • Page 84 Checking after replacing the FEEDER ASSY OPT. Replace the Replace the FEEDER ASSY OPT. (Refer to RRP10.1.) PWBA MCU. End of work. Does the error still occur when the power is turned OFF (Refer to RRP8.9.) and ON? Epson AcuLaser C2900N 1 - 71 Confidential...
  • Page 85 Checking after resetting the MOTOR ASSY SUB. Replace the Reseat the MOTOR ASSY SUB. FEEDER ASSY End of work. Does the error still occur when the power is turned OFF OPT. (Refer to and ON? RRP10.1.) Epson AcuLaser C2900N 1 - 72 Confidential...
  • Page 86 Disconnect J420 from the PWBA FEED H. FEEDER ASSY PWBA MCU. Is the voltage across P420-6pin <=> ground on the PWBA OPT. (Refer to (Refer to RRP8.9.) FEED H, about +3.3 VDC? RRP10.1.) Epson AcuLaser C2900N 1 - 73 Confidential...
  • Page 87 PWBA MCU. Replace the Replace the Remove the CHUTE ASSY LOW (PL3.2.27) once to check PWBA MCU. SENSOR the operation. (Refer to RRP8.9.) PHOTO. Does the voltage change, when the ACTUATOR SSI is operated? Epson AcuLaser C2900N 1 - 74 Confidential...
  • Page 88 Checking the connectors of the SENSOR PHOTO (Regi Sensor) for connection. Check the connections between the PWBA MCU and SENSOR PHOTO. Are P/J23 and P/J232 connected correctly? Reconnect the connector(s) P/ Go to step 7. J23 and/or P/J232 correctly. Epson AcuLaser C2900N 1 - 75 Confidential...
  • Page 89 SENSOR Remove the CHUTE LOW CST (PL3.2.35) once to check PWBA MCU. PHOTO:REGI. the operation. (Refer to RRP8.9.) (Refer to RRP3.8.) Does the voltage change, when the actuator (ACTUATOR REGI IN) is operated? Epson AcuLaser C2900N 1 - 76 Confidential...
  • Page 90 Tray 1. Reset the Guide Sides and End Guide, and reseat the Tray Go to step 9. End of work. 1 to the printer correctly. Does the error still occur when printing? Epson AcuLaser C2900N 1 - 77 Confidential...
  • Page 91 Go to step 29. Does the Regi. Clutch (CLUTCH ASSY DRV) operate properly, and the ROLL ASSY REGI and ROLL REGI METAL rotate? During this check, cheat the interlock switch (HARN ASSY INTERLOCK). Epson AcuLaser C2900N 1 - 78 Confidential...
  • Page 92 Replace the Is the voltage across P23-1pin <=> ground on the PWBA Go to step 24. PWBA MCU. MCU, about +24 VDC when the Interlock Switch (HARN (Refer to RRP8.9.) ASSY INTERLOCK) is pushed? Epson AcuLaser C2900N 1 - 79 Confidential...
  • Page 93 SENSOR Remove the CHUTE ASSY LOW (PL3.2.27) once to check PWBA MCU. PHOTO:REGI. the operation. (Refer to RRP8.9.) (Refer to RRP3.8.) Does the voltage change, when the actuator (ACTUATOR REGI IN) is operated? Epson AcuLaser C2900N 1 - 80 Confidential...
  • Page 94 Tray 1. Reset the Guide Sides and End Guide, and reseat the Tray Go to step 9. End of work. 1 to the printer correctly. Does the error still occur when printing? Epson AcuLaser C2900N 1 - 81 Confidential...
  • Page 95 Go to step 29. Does the Regi. Clutch (CLUTCH ASSY DRV) operate properly, and the ROLL ASSY REGI and ROLL REGI METAL rotate? During this check, cheat the interlock switch (HARN ASSY INTERLOCK). Epson AcuLaser C2900N 1 - 82 Confidential...
  • Page 96 Replace the Is the voltage across P23-1pin <=> ground on the PWBA Go to step 24. PWBA MCU. MCU, about +24 VDC when the Interlock Switch (HARN (Refer to RRP8.9.) ASSY INTERLOCK) is pushed? Epson AcuLaser C2900N 1 - 83 Confidential...
  • Page 97 SENSOR Remove the CHUTE ASSY LOW (PL3.2.27) once to check PWBA MCU. PHOTO:REGI. the operation. (Refer to RRP8.9.) (Refer to RRP3.8.) Does the voltage change, when the actuator (ACTUATOR REGI IN) is operated? Epson AcuLaser C2900N 1 - 84 Confidential...
  • Page 98 Checking the Regi Rolls installation. Open the Front Cover and check the Regi Rolls installation. Replace the Go to step 8. Is the ROLL REGI METAL pressed against the ROLL ASSY printer. REGI by the spring pressure? Epson AcuLaser C2900N 1 - 85 Confidential...
  • Page 99 Step Check Checking the Regi Clutch. Replace the Does the clutch noise occur? Replace the PWBA MCU. Checked by [Digital Output] - [Regi Clutch] in [IOT Diag] of printer. (Refer to RRP8.9.) diagnosis. Epson AcuLaser C2900N 1 - 86 Confidential...
  • Page 100 Does the number on the screen increase by one, every time the actuator of the SENSOR PHOTO (REGI SENSOR) is Go to step 8. Go to step 10. operated? Checked by [Digital Input] - [Regi Sensor] in [IOT Diagnosis] of diagnosis. Epson AcuLaser C2900N 1 - 87 Confidential...
  • Page 101 Warning: Start the operation after the fuser unit has Replace the cooled down. PWBA MCU. End of work. Does the error still occur when printing? (Refer to RRP8.9.) NOTE: After replacement, be sure to clear life counter value. Epson AcuLaser C2900N 1 - 88 Confidential...
  • Page 102 Replace the Replace the FEEDER ASSY DUP SFP STD. (Refer to PWBA MCU. End of work. RRP9.1.) (Refer to RRP8.9.) Does the error still occur when the power is turned OFF and ON? Epson AcuLaser C2900N 1 - 89 Confidential...
  • Page 103 Replace the continuity. HARNESS ASSY Disconnect J14 from the PWBA MCU. Go to step 7. LVPS MAIN MG Disconnect J501 from the PWBA LVPS. SFP. Is each cable of J14 <=> J501 continuous? Epson AcuLaser C2900N 1 - 90 Confidential...
  • Page 104 Check the voltage across P44-3pin <=> ground on the Replace the HARN ASSY PWBA LVPS. PWBA LVPS. INTERLOCK. Does the voltage change, when the Interlock Switch is (Refer to RRP8.5.) (Refer to RRP8.6.) turned ON/OFF? Epson AcuLaser C2900N 1 - 91 Confidential...
  • Page 105 Checking after replacing the Side R Switch (SWITCH). Replace the Replace the Side R Switch (SWITCH). (Refer to RRP5.2.) PWBA MCU. End of work. Does the error still occur when the power is turned OFF and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 92 Confidential...
  • Page 106 Replace the Checked by [Digital Input] - [Exit Sensor] in [IOT Diag] of PWBA MCU. Go to step 11. diagnosis. (Refer to RRP8.9.) Warning: Start the operation after the fuser unit has cooled down. Epson AcuLaser C2900N 1 - 93 Confidential...
  • Page 107 PWBA MCU. PWBA MCU. unit. (Refer to Does the voltage change, when the actuator of the Exit (Refer to RRP8.9.) RRP6.1.) After Sensor is operated? replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 94 Confidential...
  • Page 108 Are ROLL ASSY REGI and ROLL REGI METAL seated Go to step 11. the defective correctly? ROLL(s). Also, are they not contaminated and/or damaged, and rotated smoothly? Check these items by turning with your finger. Epson AcuLaser C2900N 1 - 95 Confidential...
  • Page 109 Does the Main Motor (DRIVE ASSY MAIN) operate properly? Go to step 15. Go to step 24. Checked by [Digital Output] - [Main Motor] in [IOT Diag] of diagnosis. During this check, cheat the interlock switch (HARN ASSY INTERLOCK). Epson AcuLaser C2900N 1 - 96 Confidential...
  • Page 110 Replace the Remove the CHUTE ASSY LOW (PL3.2.27) once to check PWBA MCU. SENSOR the operation. (Refer to RRP8.9.) PHOTO. Does the voltage change, when the actuator of the SENSOR PHOTO is operated? Epson AcuLaser C2900N 1 - 97 Confidential...
  • Page 111 DRIVE ASSY Are the voltages across J21-2pin/J21-4pin <=> ground on PWBA MCU. MAIN. (Refer to the PWBA MCU, about +24 VDC when the interlock switch (Refer to RRP8.9.) RRP7.2.) (HARN ASSY INTERLOCK) is pushed? Epson AcuLaser C2900N 1 - 98 Confidential...
  • Page 112 Replace the Replace the Disconnect J23 from the PWBA MCU. SENSOR PWBA MCU. Is the voltage across P23-6pin <=> ground on the PWBA PHOTO(SSI No (Refer to RRP8.9.) MCU, about +3.3 VDC? Paper Sensor) Epson AcuLaser C2900N 1 - 99 Confidential...
  • Page 113 CAUTION: Be sure to pull eight sealing tapes out from a PWBA MCU. End of work. new DRUM CARTRIDGE before installation. (Refer to RRP8.9.) Does the error still occur when the power is turned OFF and Epson AcuLaser C2900N 1 - 100 Confidential...
  • Page 114 CAUTION: Be sure to pull eight sealing tapes out from a PWBA MCU. End of work. new DRUM CARTRIDGE before installation. (Refer to RRP8.9.) Does the error still occur when the power is turned OFF and Epson AcuLaser C2900N 1 - 101 Confidential...
  • Page 115 Checking after replacing the DRUM CARTRIDGE. Replace the Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) PWBA MCU. End of work. Does the error still occur when the power is turned OFF and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 102 Confidential...
  • Page 116 CAUTION: Be sure to pull eight sealing tapes out from PWBA MCU. End of work. a new DRUM CARTRIDGE before installation. (Refer to RRP8.9.) Does the error still occur when the power is turned OFF and ON? Epson AcuLaser C2900N 1 - 103 Confidential...
  • Page 117 Replace the Replace the TONER CARTRIDGE (Y, M, C or K). (Refer to PWBA MCU. End of work. RRP5.4.) (Refer to RRP8.9.) Does the error still occur when the power is turned OFF and Epson AcuLaser C2900N 1 - 104 Confidential...
  • Page 118 CAUTION: Be sure to pull eight sealing tapes out from a PWBA MCU. End of work. new DRUM CARTRIDGE before installation. (Refer to RRP8.9.) Does the error still occur when the power is turned OFF and Epson AcuLaser C2900N 1 - 105 Confidential...
  • Page 119 Reseat the TONER CARTRIDGE (Y, M, C and K), and Go to step 5. End of work. check that the lock key is in the lock position. Does the error still occur when the power is turned OFF and Epson AcuLaser C2900N 1 - 106 Confidential...
  • Page 120 PWBA MCU. Is the voltage across P18-3pin <= > ground on PWBA MCU, DISP or FRAME (Refer to RRP8.9.) about +24 VDC when the interlock switch (HARN ASSY ASSY MOT. INTERLOCK) is pushed. Epson AcuLaser C2900N 1 - 107 Confidential...
  • Page 121 Does the error still occur when the power is turned OFF and Checking after resetting the TRANSFER ASSY. Replace the Reseat the TRANSFER ASSY. TRANSFER End of work. Does the error still occur when the power is turned OFF and ASSY. (Refer to RRP6.3.) Epson AcuLaser C2900N 1 - 108 Confidential...
  • Page 122 Checking after replacing the TRANSFER ASSY. Replace the Replace the TRANSFER ASSY (Refer to RRP6.3.) PWBA MCU. End of work. Does the error still occur when the power is turned OFF and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 109 Confidential...
  • Page 123 Disconnect the connector of J20 from the PWBA MCU. SENSOR HUM. PWBA MCU. Is the voltage across P20-4pin <=> ground on the PWBA (Refer to RRP8.7.) (Refer to RRP8.9.) MCU, about +5 VDC? Epson AcuLaser C2900N 1 - 110 Confidential...
  • Page 124 Replace the Replace the TONER CARTRIDGE (Y, M, C or K). (Refer to PWBA MCU. End of work. RRP5.4.) (Refer to RRP8.9.) Does the error still occur when the power is turned OFF and Epson AcuLaser C2900N 1 - 111 Confidential...
  • Page 125 Pull the sealing Go to step 9. tapes out, then go Remove the DRUM CARTRIDGE. to step 8. Has the sealing tapes for yellow toner been pulled out? After checking, reseat the DRUM CARTRIDGE. Epson AcuLaser C2900N 1 - 112 Confidential...
  • Page 126 Go to step 14. reconnect the connector(s) P/ J19 and P/J191 surly, then go to step 8. Does the error still occur when the power is turned OFF and Go to step 14. End of work. Epson AcuLaser C2900N 1 - 113 Confidential...
  • Page 127 Does the error still occur when the power is turned OFF and Checking after resetting the TRANSFER ASSY. Replace the Reseat the TRANSFER ASSY. TRANSFER End of work. Does the error still occur when the power is turned OFF and ASSY. (Refer to RRP6.3.) Epson AcuLaser C2900N 1 - 114 Confidential...
  • Page 128 Checking after the TONER CARTRIDGE (Y, M, C or K). Replace the Replace the TONER CARTRIDGE (Y, M, C or K). PWBA MCU. End of work. Does the error still occur when the power is turned off and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 115 Confidential...
  • Page 129 Replace the Replace the Disconnect J31 from the PWBA MCU. CONNECTOR PWBA MCU. Is the voltage across P31-3pin(Y)/-7pin(M)/-11pin(C)/-15pin CRUM(Y, M, C or (Refer to RRP8.9.) <=> ground on the PWBA MCU, about +3.3 VDC? Epson AcuLaser C2900N 1 - 116 Confidential...
  • Page 130 Replace the TONER CARTRIDGE (Y, M, C or K). (Refer to PWBA MCU. End of work. RRP5.4.) (Refer to RRP8.9.) Does the error still occur when the power is turned OFF and ON? Epson AcuLaser C2900N 1 - 117 Confidential...
  • Page 131 Checking after resetting the PWBA MCU. Replace the Reseat the PWBA MCU. (Refer to RRP8.9.) PWBA MCU. End of work. Does the error still occur when the power is turned OFF and (Refer to RRP8.9.) Epson AcuLaser C2900N 1 - 118 Confidential...
  • Page 132 Does the life counter value show the near of the end? Diag, after replac- PWBA MCU. (Refer to Chapter 2 for details of the life counter value.) ing the TRANS- (Refer to RRP8.9.) FER ASSY. (Refer to RRP6.3.) Epson AcuLaser C2900N 1 - 119 Confidential...
  • Page 133 Does the life counter value show the near of the end? Diag, after replac- PWBA MCU. (Refer to Chapter 2 for details of the life counter value.) ing the TRANS- (Refer to RRP8.9.) FER ASSY. (Refer to RRP6.3.) Epson AcuLaser C2900N 1 - 120 Confidential...
  • Page 134 Checking after resetting the MEMORY CARD (OPTION). Replace the Replace the MEMORY CARD. (Refer to RRP8.4.) PWBA ESS SFP. End of work. Does the error still occur when turning on the power? (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 121 Confidential...
  • Page 135 Go to step 2. and configure of the Network settings. Replace the Does the error still occur when the power is turned OFF PWBA ESS SFP. End of work. and ON? (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 122 Confidential...
  • Page 136 Possible causative parts: PWBA ESS SFP (PL8.1.7) Checking the error. Replace the Does the error still occur when the power is turned OFF PWBA ESS SFP. End of work. and ON? (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 123 Confidential...
  • Page 137 Checking RAM Disk size settings. into blocks to Does the error occur when printing after reducing the size decrease the End of work. setting of the RAM Disk? number of pages to be collated. Epson AcuLaser C2900N 1 - 124 Confidential...
  • Page 138 [Admin Menu] of the [SET UP] the [On]? Checking the Toner Cartridge. Replace the Replace to the known good toner cartridges. PWBA ESS SFP. End of work. Does the error still occur when turning on the power? (Refer to RRP8.3.) Epson AcuLaser C2900N 1 - 125 Confidential...

  • Page 139: Image Quality Trouble

    When it is the case of [Malfunction on ESS side], replace with normal ESS and normal Interface Cable, and check. When the trouble still occurs after replacement, check the host computer side, and operate Troubleshooting efficiently, using the following image quality FIP according to each phenomenon. Epson AcuLaser C2900N 1 - 126 Confidential...
  • Page 140 -FIP-1.P16 Wrinkled/Stained paper (Envelope Wrinkle) -FIP-1.P17 The top margin is incorrect / The side margin is incorrect -FIP-1.P18 Color registration is out of alignment -FIP-1.P19 Images are skewed -FIP-1.P20 Paper Damage -FIP-1.P21 Unfusing -FIP-1.P22 Label Stuck Epson AcuLaser C2900N 1 - 127 Confidential...
  • Page 141 Turn roll (rubber) [Feeder Assy Opt.] Retard roller [Tray 2] MiS01003SA Roll Parts Period (mm) Replaceable parts Heat Roll FUSER UNIT Pressure Belt FUSER UNIT Drum DRUM CARTRIDGE Belt TRANSFER ASSY Regi Roll (rubber) PRINTER Epson AcuLaser C2900N 1 - 128 Confidential...
  • Page 142 Chapter 1 Troubleshooting Revision B -Pitch Chart The chart is printed [Contamination Check] in the [Test Print] of the [Diagnosis]. Page 2 Page 1 Wsb02028KA Wsb02027KA Page 4 Page 3 Wsb02030KA Wsb02029KA Page 5 Wsb02025KA Epson AcuLaser C2900N 1 - 129 Confidential...

  • Page 143: Print Image Quality Specifications

    The print image quality is guaranteed with Spec. In rate = 90% (λ =90%). 6) For Color chart, Parallelism, Perpendicularity, Skew, Linearity, Magnification Error, Registration and Printed Guaranteed Area, refer to each chart below. Epson AcuLaser C2900N 1 - 130 Confidential...
  • Page 144 Chapter 1 Troubleshooting Revision B Chart Parallelism Perpendicularity Epson AcuLaser C2900N 1 - 131 Confidential...
  • Page 145 Chapter 1 Troubleshooting Revision B Skew Linearity Magnification Error Registration Epson AcuLaser C2900N 1 - 132 Confidential...
  • Page 146 Chapter 1 Troubleshooting Revision B Guaranteed Printing Area 4.1mm 4.1mm 4.1mm 355.6mm (14inch) Guaranteed printing area 351.5mm 211.8mm 4.1mm 215.9mm (8.5inch) Rio01001KA Epson AcuLaser C2900N 1 - 133 Confidential...

  • Page 147: Image Quality Fip

    Change Is the installed paper with a new and dry one? or does the Go to step 4. the paper to the paper satisfy the specification? one that satisfies the specification. Epson AcuLaser C2900N 1 - 134 Confidential...
  • Page 148 Are four HV terminals on the right side of the TRANSFER ASSY, and four springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or deformed? Clean or replace the TRANSFER ASSY or Go to step 9. SPRING(s), then go to step 9. Epson AcuLaser C2900N 1 - 135 Confidential...
  • Page 149 Go to step 12. soft cloth or cotton swab gently. Checking the laser beam path. Are there any foreign substances between the ROS ASSY and DRUM CARTRIDGE? Remove the foreign Go to step 13. substances. Epson AcuLaser C2900N 1 - 136 Confidential...
  • Page 150 Is the image printed correctly? Checking after replacing the ROS ASSY. Replace the Replace the ROS ASSY. (Refer to RRP4.1.) End of work. PWBA HVPS. Is the image printed correctly? (Refer to RRP4.5.) Epson AcuLaser C2900N 1 - 137 Confidential...
  • Page 151 Then, install the DRUM CARTRIDGE into the printer. If the ribbon is found, it takes a long time until the density is recovered. To use the printer immediately, change the DRUM CARTRIDGE to another one. Is the image printed correctly? Epson AcuLaser C2900N 1 - 138 Confidential...
  • Page 152 Checking the laser beam windows of the ROS ASSY. Are the laser beam windows on the ROS ASSY clean? Clean the window(s) with Go to step 11. soft cloth or cotton swab gently. Epson AcuLaser C2900N 1 - 139 Confidential...
  • Page 153 Is the image printed correctly? Checking after replacing the ROS ASSY. Replace the Replace the ROS ASSY. (Refer to RRP4.1.) End of work. PWBA HVPS. Is the image printed correctly? (Refer to RRP4.5.) Epson AcuLaser C2900N 1 - 140 Confidential...
  • Page 154 Is the image printed correctly? Checking after replacing the DRUM CARTRIDGE. Replace the Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. PWBA HVPS. Is the image printed correctly? (Refer to RRP4.5.) Epson AcuLaser C2900N 1 - 141 Confidential...
  • Page 155 Is the image printed correctly? TRANSFER Warning: Start the operation after the fuser unit has End of work. ASSY. (Refer to cooled down. RRP6.3.) NOTE: After replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 142 Confidential...
  • Page 156 Are four HV terminals on the TRANSFER ASSY, and four springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or deformed? Clean or replace the TRANSFER Go to step 6. ASSY or SPRING(s). Epson AcuLaser C2900N 1 - 143 Confidential...
  • Page 157 Checking after replacing the DRUM CARTRIDGE. Replace the fuser Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. unit. (Refer to Is the image printed correctly? RRP6.1.) After replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 144 Confidential...
  • Page 158 Are four HV terminals on the TRANSFER ASSY, and four springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or deformed? Clean or replace the TRANSFER Go to step 6. ASSY or SPRING(s). Epson AcuLaser C2900N 1 - 145 Confidential...
  • Page 159 Checking after replacing the DRUM CARTRIDGE. Replace the fuser Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. unit. (Refer to Is the image printed correctly? RRP6.1.) After replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 146 Confidential...
  • Page 160 Are four HV terminals on the TRANSFER ASSY, and four springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or deformed? Clean or replace the TRANSFER Go to step 6. ASSY or SPRING(s). Epson AcuLaser C2900N 1 - 147 Confidential...
  • Page 161 Checking after replacing the DRUM CARTRIDGE. Replace the fuser Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. unit. (Refer to Is the image printed correctly? RRP6.1.) After replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 148 Confidential...
  • Page 162 Are four HV terminals on the TRANSFER ASSY, and four springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or deformed? Clean or replace the TRANSFER Go to step 4. ASSY or SPRING(s). Epson AcuLaser C2900N 1 - 149 Confidential...
  • Page 163 Is the image printed correctly? End of work. Go to step 8. Checking after replacing the ROS ASSY. Replace the ROS ASSY. (Refer to RRP4.1.) End of work. Go to step 9. Is the image printed correctly? Epson AcuLaser C2900N 1 - 150 Confidential...
  • Page 164 Checking after replacing the DRUM CARTRIDGE. Replace the fuser Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. unit. (Refer to Is the image printed correctly? RRP6.1.) After replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 151 Confidential...
  • Page 165 Checking the erase lamps. Open the COVER ASSY FRONT, and remove the DRUM CARTRIDGE. Go to step 8. Go to step 6. Cheat the safety interlock switch. Does the four erase LEDs light correctly? Epson AcuLaser C2900N 1 - 152 Confidential...
  • Page 166 Clean and/or replace the DRUM Go to step 9. CARTRIDGE or SPRING(s). Checking after resetting the DRUM CARTRIDGE. Reseat the DRUM CARTRIDGE. End of work. Go to step 10. Is the image printed correctly? Epson AcuLaser C2900N 1 - 153 Confidential...
  • Page 167 Are four HV terminals on the TRANSFER ASSY, and four springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or deformed? Clean or replace Replace the the TRANSFER DRUM ASSY or CARTRIDGE. SPRING(s). (Refer to RRP4.6.) Epson AcuLaser C2900N 1 - 154 Confidential...
  • Page 168 Mode] in [Refresh Mode] on the diagnosis tab of Tool Box. Is the image printed correctly? Checking after replacing the DRUM CARTRIDGE. Replace the Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. Printer. Does the error still occur when printing? Epson AcuLaser C2900N 1 - 155 Confidential...
  • Page 169 Is the image printed correctly? Checking after replacing the DRUM CARTRIDGE. Replace the Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. PWBA HVPS. Is the image printed correctly? (Refer to RRP4.5.) Epson AcuLaser C2900N 1 - 156 Confidential...
  • Page 170 Is the image printed correctly? Checking after replacing the DRUM CARTRIDGE. Replace the Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. PWBA HVPS. Is the image printed correctly? (Refer to RRP4.5.) Epson AcuLaser C2900N 1 - 157 Confidential...
  • Page 171 Genuine Is the Toner for C2900 seated? Toner. Checking after resetting the ROS ASSY. Replace the ROS Reseat the ROS ASSY End of work. ASSY. (Refer to Is the image printed correctly? RRP4.1.) Epson AcuLaser C2900N 1 - 158 Confidential...
  • Page 172 Go to step 5. When the vertical stripes of periodicity are observed, check the defective parts by comparing the printed vertical stripes parts. with the Pitch Chart. Are there any vertical stripes matching the chart? Epson AcuLaser C2900N 1 - 159 Confidential...
  • Page 173 Is the image printed correctly? Checking after replacing the ROS ASSY. Replace the Replace the ROS ASSY. (Refer to RRP4.1.) End of work. PWBA HVPS. Is the image printed correctly? (Refer to RRP4.5.) Epson AcuLaser C2900N 1 - 160 Confidential...
  • Page 174 Execute the "Clean Developer" - To execute the "Clean Developer", click Start in [Clean End of work. Go to step 5 Developer] on the diagnosis tab of Tool Box. Is the image printed correctly? Epson AcuLaser C2900N 1 - 161 Confidential...
  • Page 175 Is the image printed correctly? Replace the Checking after replacing the DRUM CARTRIDGE. DISPENSER Replace the DRUM CARTRIDGE. (Refer to RRP4.6.) End of work. ASSY. (Refer to Is the image printed correctly? RRP5.1.) Epson AcuLaser C2900N 1 - 162 Confidential...
  • Page 176 Go to step 8. Is the image printed correctly? Checking the side guides of the Paper Cassette. Reset the side guides. End of work. Go to step 9. Is the image printed correctly? Epson AcuLaser C2900N 1 - 163 Confidential...
  • Page 177 Is the image printed correctly? Checking after resetting the ROLL ASSY FEED. Replace the ROLL Reseat the ROLL ASSY FEED. End of work. ASSY FEED. Is the image printed correctly? (Refer to RRP3.5.) Epson AcuLaser C2900N 1 - 164 Confidential...
  • Page 178 Checking after replacing the TRANSFER ASSY. Replace the ROS Replace the TRANSFER ASSY. (Refer to RRP6.3.) Go to step 4. ASSY. (Refer to Does the error appear on the printed material when RRP4.1.) printing? Epson AcuLaser C2900N 1 - 165 Confidential...
  • Page 179 Checking after Replacing the TRANSFER ASSY. Replace the Replace the TRANSFER ASSY. (Refer to RRP6.3.) DRUM End of work. Does the color registration appear on the printed material CARTRIDGE. when printing? (Refer to RRP4.6.) Epson AcuLaser C2900N 1 - 166 Confidential...
  • Page 180 Go to step 9. Is the image printed correctly? Remove the Checking the paper path. foreign Go to step 11. Are there any foreign substances on the paper path? substances, then go to step 10. Epson AcuLaser C2900N 1 - 167 Confidential...
  • Page 181 Is the image printed correctly? Checking after resetting the ROLL ASSY FEED. Replace the ROLL Reseat the ROLL ASSY FEED. End of work. ASSY FEED. Is the image printed correctly? (Refer to RRP3.5.) Epson AcuLaser C2900N 1 - 168 Confidential...
  • Page 182 Go to step 9. Is the image printed correctly? Remove the Checking the paper path. foreign Go to step 11. Are there any foreign substances on the paper path? substances, then go to step 10. Epson AcuLaser C2900N 1 - 169 Confidential...
  • Page 183 Is the image printed correctly? Checking after resetting the ROLL ASSY FEED. Replace the ROLL Reseat the ROLL ASSY FEED. End of work. ASSY FEED. Is the image printed correctly? (Refer to RRP3.5.) Epson AcuLaser C2900N 1 - 170 Confidential...
  • Page 184 Warning: Start the operation after the fuser unit has Replace the fuser cooled down. End of work. unit. (Refer to Reseat the fuser unit. RRP6.1.) After Is the image printed correctly? replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 171 Confidential...
  • Page 185 Replace the fuser Are there any foreign materials such as precut adhesive foreign materials. unit. (Refer to labels in the paper transfer path? RRP6.1.) After replacement, be sure to clear the life counter value. Epson AcuLaser C2900N 1 - 172 Confidential...

  • Page 186: Abnormal Noise Trouble

    (Refer to FIP1 N2.) Check the Operation Mode Table of Printing. Does abnormal noise arise during Check the components are normal without any printing? stains and/or damages. (Refer to FIP1 N3.) Epson AcuLaser C2900N 1 - 173 Confidential...

  • Page 187: Operation Mode Table

    Warning: Start the operation after the fuser unit has cooled down. Go to step 8. End of work. Does the noise arise from the printer? Checked by [Digital Output] - [Sub Motor] in [IOT Diag] of diagnosis. Epson AcuLaser C2900N 1 - 174 Confidential...
  • Page 188 End of work. Checked by [Digital Output] - [Sub Motor] in [IOT Diag] of sure to clear the diagnosis. life counter value, and DRIVE ASSY SUB (refer to RRP7.1) one after another. Epson AcuLaser C2900N 1 - 175 Confidential...
  • Page 189 Checking the FAN. Replace the Does the noise arise from the Fan? Replace the FAN. PWBA LVPS. Checked by [Digital Output] - [Fan Motor] in [IOT Diag] of (Refer to RRP8.1.) (Refer to RRP8.5.) diagnosis. Epson AcuLaser C2900N 1 - 176 Confidential...
  • Page 190 Go to step 9. End of work. Does the noise arise from the printer? Checking the Duplex. Does the noise arise when feeding the paper from the Go to step 10. Go to step 12. Duplex? Epson AcuLaser C2900N 1 - 177 Confidential...
  • Page 191 Checking the DRUM CARTRIDGE for installation. Reseat the DRUM CARTRIDGE. Does the noise arise from the printer? Go to step 21. End of work. Checked by [Digital Output] - [Sub Motor] in [IOT Diag] of diagnosis. Epson AcuLaser C2900N 1 - 178 Confidential...
  • Page 192 Does the noise arise from the printer? End of work. sure to clear the Checked by [Digital Output] - [Sub Motor] in [IOT Diag] of life counter value, diagnosis. and DRIVE ASSY SUB (refer to RRP7.1) one after another. Epson AcuLaser C2900N 1 - 179 Confidential...

  • Page 193: Other Fip

    Does the electrical noise error still occur? Checking after resetting the TRANSFER ASSY. Reseat the PWBA Reseat the TRANSFER ASSY. HVPS. (Refer to End of work. Does the electrical noise error still occur? RRP4.5.) Epson AcuLaser C2900N 1 - 180 Confidential...
  • Page 194 Checking the connector of PWBA LVPS for connection. Replace the Disconnect the power cord and wait for one minute. End of work. PWBA LVPS. Reconnect the all connectors of PWBA LVPS. (Refer to RRP8.5.) Does the printer operate normally? Epson AcuLaser C2900N 1 - 181 Confidential...
  • Page 195 Checking after resetting the PWBA MCU and PWBA ESS Replace the SFP. End of work. PWBA LVPS. Reseat the PWBA MCU and PWBA ESS SFP. (Refer to RRP8.5.) Does the printer operate normally? Epson AcuLaser C2900N 1 - 182 Confidential...
  • Page 196 Checking the ROLL ASSY FEED and HOLDER ASSY ASSY FEED RETARD for rotation. (Refer to RRP3.5) End of work. Does the ROLL ASSY FEED and HOLDER ASSY RETARD or HOLDER ASSY rotate smoothly and operate correctly? RETARD (Refer to RRP2.2.) Epson AcuLaser C2900N 1 - 183 Confidential...
  • Page 197 3) Plug the network cable back into the printer, and then turn the power on. 4) On the Control Panel, open [Admin] > [Network] > [TCP/IP], and confirm that the IP address has been changed. Epson AcuLaser C2900N 1 - 184 Confidential...
  • Page 198 1.1 Firmware version up procedure 1) Turn off the printer, and turn it on again. Check that the control panel displays as below. 2) Double click the secfwup.exe. 3)Select interface (USB or Network) and click "Next" button. Epson AcuLaser C2900N 1 - 185 Confidential...
  • Page 199 4) Select an appropriate printer, and click "Next" button. 5)The following screen appears, and upgrade is performed. After finished sending, the printer firmware will be updated. NOTE: Do not turn off the printer until the printer becomes “Ready”. Epson AcuLaser C2900N 1 - 186 Confidential...
  • Page 200 6) After finished updating, the printer will restart automatically. 7)Click "OK" button to exit the tool. Confirm the "Ready to Print" is displayed. 8) Print out the "Printer Settings" and check that the "Firmware Version" has been updated. Epson AcuLaser C2900N 1 - 187 Confidential...
  • Page 201 1) Turn on the power while holding down "OK" and "Exit" keys. Check that the control panel displays as below. 2) Same as the steps 2) to 8) in "1.1 Firmware version up procedure". Epson AcuLaser C2900N 1 - 188 Confidential...

  • Page 202: Chapter 2 Operation Of Diagnostic

    CHAPTER Operation of Diagnostic Confidential...
  • Page 203 4.5.5 Cyan 20% ESS ........................2 - 38 4.5.6 Magenta 20% ESS........................2 - 38 4.5.7 Yellow 20% ESS ........................2 - 39 4.5.8 Black 20% ESS........................2 - 39 4.5.9 CMY 20% ESS........................2 - 40 Epson AcuLaser C2900N Confidential...
  • Page 204 4.6.1 Executing Parameter (Registration Adjustment)..............2 - 44 4.6.2 Executing Parameter (Life Counter) ..................2 - 46 4.6.3 Executing Parameter (Printing the parameter list) ..............2 - 47 4.7 Complete............................2 - 48 4.7.1 Executing Complete........................ 2 - 48 Epson AcuLaser C2900N Confidential...

  • Page 205: Overview

    • ESS diagnosis to locate a chip which causes a problem • Diagnosing IOT • Setting parameters such as registration in the feeding direction. 1.2 Operating Methods This software can be operated via the Control Panel. Epson AcuLaser C2900N 2 - 1 Confidential...

  • Page 206: Configuration

    Production Line Mode: This mode is intended for the production line to use for isolating a problem. The diag is executed by sending commands via a serial debug terminal. This mode is protected by password. Epson AcuLaser C2900N 2 - 2 Confidential...

  • Page 207: How To Use Ce Mode

    Confirms or executes the Diag item or parameter value selected. MENU : Returns to the previous menu from any test item of the Digital Input or Digital Output test. STOP : Cancels the Diag menu (Returns to the menu one level higher). Epson AcuLaser C2900N 2 - 3 Confidential...

  • Page 208: Entering Ce Mode

    The display prompts the user to start the test. Press "OK" key to start the test. To exit the Diag, use the following procedure: During the Diag test, press the "STOP" key. The Diag is stopped, and the display moves to a menu one level higher. Epson AcuLaser C2900N 2 - 4 Confidential...

  • Page 209: Diag Mode Menu Tree

    Print Counter Print Service CopyCounter MtoB CopyCounter BtoM Clear All NVM Clear JobHistory Clear AuditronPV Test Print No Image IOT Pattern IOT Grid2 Cyan20% Magenta20% Yellow20% Black20% YMC 20% Gradation Toner Palette Stain Check Epson AcuLaser C2900N 2 - 5 Confidential...
  • Page 210 Life Drum K Time Life Drum Xero Life Drum Deve K Life Manual Feed Life Tray1 Sheet Life Tray2 Sheet Life Duplex Sheet Life Custom In Life Custom Out Print Exit Mode Complete Exit Epson AcuLaser C2900N 2 - 6 Confidential...

  • Page 211: Diag Types And Test Contents

    When the checksum is identical to the stored value, this test judges the chip is normal. Normal Error FlashROM ERROR CHECK OK XXXXXX XXX: Displays the header name that became error. (GLOBE/DACS/PCLFONT/HOSTBASE/CBRIDGE/BMFAPFONT) Epson AcuLaser C2900N 2 - 7 Confidential...

  • Page 212: Eeprom Test

    Executes this test when the 116-314, 016-350, 116-351, 116-352 and 116-355 errors occurred. Test result: NG (Go to each FIP.) OK (Turn off/on the main power.) PHY Internal loopback test Normal Error CHECK OK MAC+PHY ERROR Epson AcuLaser C2900N 2 - 8 Confidential...

  • Page 213: Asic Test

    IOT. It sends the following command to read the status register, and checks whether the appropriate response returns. Read ROM Revision No Normal Error CHECK OK IOT ERROR Epson AcuLaser C2900N 2 - 9 Confidential...

  • Page 214: Usb Host Test

    Add: Device address Prt: Number of Downstream port of Controller or Hub. 4.1.11 RTC Test Checks the Real Time Clock chip. Execute this test when 117-365 Error occurred. Normal Error CHECK OK RTC ERROR Epson AcuLaser C2900N 2 - 10 Confidential...

  • Page 215: Iot Diag

    - To exit the test or to return to one step higher menu, press the "STOP" key. - From the menu which performed Sensor test, to return to one step higher menu, press the "MENU" key. Epson AcuLaser C2900N 2 - 11 Confidential...
  • Page 216 [DI-7] Side Switch Sensor [DI-6] K Mode Sensor [DI-4] Regi Sensor [DI-2] MFP No Paper Sensor [DI-0] Tray1 No Paper Sensor [DI-1] Tray2 Paper Path Sensor Tray2 No Paper Sensor [DI-a] [DI-9] Sns02002SB Epson AcuLaser C2900N 2 - 12 Confidential...
  • Page 217 When the door or cover is opened, the leaf spring returns to its original position, and the button is pushed up by the spring in the switch, allowing the internal contacts to open. Actuator Button Blade Contact Leg_Sec02_018FA Epson AcuLaser C2900N 2 - 13 Confidential...
  • Page 218 Tray1 No Paper Sensor (DI-1) MiS02004SA Confirm that the number in the lower section of the display increases each time the Tray1 is removed and replaced. Press the "STOP" key to stop the test. Epson AcuLaser C2900N 2 - 14 Confidential...
  • Page 219 MiS02006GA Check that the number in the bottom line of the display increases by one every time the actuator is operated. Press the "STOP" key to stop the test. Close the Front Cover. Epson AcuLaser C2900N 2 - 15 Confidential...
  • Page 220 Check that the number in the bottom line of the display increases by one every time the Front Cover is opened or closed. Press the "STOP" key to stop the test. Close the Toner Access Cover. Epson AcuLaser C2900N 2 - 16 Confidential...
  • Page 221 Tray2 No Paper Sensor (DI-9) MiS02008SA Confirm that the number in the lower section of the display increases each time the Tray2 is removed and replaced. Press the "STOP" key to stop the test. Epson AcuLaser C2900N 2 - 17 Confidential...
  • Page 222 Check that the number in the bottom line of the display increases by one every time the actuator is operated. Press the "STOP" key to stop the test. Replace the Tray 1. Replace the COVER CHUTE. Epson AcuLaser C2900N 2 - 18 Confidential...

  • Page 223: Digital Output (Do) Test

    - To exit the test or to return to one step higher menu, press the "STOP" key. - From the menu which performed Motor test, to return to one step higher menu, press the "MENU" key. Epson AcuLaser C2900N 2 - 19 Confidential...
  • Page 224 Cyan Toner Motor DO-27 Black Toner Motor DO-29 Regi Clutch DO-2f Tray1 Feed SOLENOID DO-31 Tray2 Feed SOLENOID DO-33 Tray2 Turn Clutch DO-35 Duplex Clutch DO-3d Drum Erase Lamp K DO-3f Drum Erase Lamp YMC Epson AcuLaser C2900N 2 - 20 Confidential...
  • Page 225 Tray 2 Feed Motor [DO-17,18,19,1a] Tray 1 Feed Solenoid [DO-b,c,2f] Regi Clutch Tray 2 Feed Solenoid(Auto) [DO-29] [DO-31] Tray 2 Turn Clutch [DO-33] MiS02010SB Duplex Clutch [DO-35] Exit Motor [DO-d,e,f,10] Duplex Motor [DO-12,13,14,15] MiS02013SA Epson AcuLaser C2900N 2 - 21 Confidential...
  • Page 226 The clutch makes so soft noises that you must be close the component to audibly confirm the operation of the component. Shaft Case Coil Gear Rotor Armature Leg_Sec02_050FA Epson AcuLaser C2900N 2 - 22 Confidential...
  • Page 227 Unlike a clutch, a solenoid generates a loud operation noise. Plunger Magnetic coil Leg_Sec02_051FA - About Interlock Cheat: Inter Lock Switch MiS02011SA Epson AcuLaser C2900N 2 - 23 Confidential...
  • Page 228 Close the Front Cover. Power on the printer, and enter the Diag Mode. Execute DO-5. Check that the Exit Roll rotates. Exit Roll Sub Motor (DO-5/6/7) MiS02013SA Press the "STOP" key to stop the test. Epson AcuLaser C2900N 2 - 24 Confidential...
  • Page 229 Power on the printer, and enter the Diag Mode. Open the Tray 1. Execute DO-b. Check that the Feed Roll rotates. Feed Roll Tray1 Feed SOLENOID (DO-b/c) Rio02014GA Press the "STOP" key to stop the test. Replace the Tray 1. Epson AcuLaser C2900N 2 - 25 Confidential...
  • Page 230 Check that the Duplex Roller rotates. CHUTE DUP IN Duplex Motor (DO-12/13/14/15) Duplex Roll MiS02015SA Press the "STOP" key to stop the test. Remove the cheater. Close the CHUTE DUP IN and Front Cover. Epson AcuLaser C2900N 2 - 26 Confidential...
  • Page 231 Replace the COVER REAR OPT and COVER SIDE L OPT. Replace the Tray 2. Power on the printer, and enter the Diag Mode. Execute DO-1e. Check that the Fan rotates. Fan Motor (DO-1e/1f) MiS02016SA Press the "STOP" key to stop the clutch. Epson AcuLaser C2900N 2 - 27 Confidential...
  • Page 232 MiS02018SA Press the "STOP" key to stop the clutch. Press the " " key to display DO-0. Press the "STOP" key to stop the motor. Remove the cheater. 10) Close the Front Cover. Epson AcuLaser C2900N 2 - 28 Confidential...
  • Page 233 Execute DO-31. Check that the Feed Solenoid movement. Tray2 Feed SOLENOID (DO-31) CASSETTE2 Feed Solenoid Rio02056GA Press the "STOP" key to stop the test. Replace the COVER REAR OPT and COVER SIDE L OPT. Epson AcuLaser C2900N 2 - 29 Confidential...
  • Page 234 Press the "STOP" key to stop the clutch. Press the " " key to display DO-17. Press the "STOP" key to stop the motor. Replace the COVER CHUTE, Tray 1 and Tray 2. Epson AcuLaser C2900N 2 - 30 Confidential...
  • Page 235 Rio02058GA Press the "STOP" key to stop the clutch. Press the " " key to display DO-d. Press the "STOP" key to stop the motor. Remove the cheater. 10) Close the Front Cover. Epson AcuLaser C2900N 2 - 31 Confidential...
  • Page 236 Cyan Drum Erase Lamp Magenta Drum Erase Lamp Yellow Drum Erase Lamp Rio02020KA Press the "STOP" key to stop the test. Replace the drum cartridge. Remove the cheater. 10) Close the Front Cover. Epson AcuLaser C2900N 2 - 32 Confidential...
  • Page 237 Saves the internal data of PWBA MCU to PWBA ESS temporarily when PWBA MCU needs to be replaced due to a trouble, etc. -LoadNVM to ESS Loads the internal data saved via [SaveNVM to ESS] to the new PWBA MCU. Epson AcuLaser C2900N 2 - 33 Confidential...

  • Page 238: Print Info

    The version of software of IOT and the printer configuration can be confirmed by executing this test. 4.3.3 Print Settings The service tag, printing count value and error count value can be confirmed by executing this test. Epson AcuLaser C2900N 2 - 34 Confidential...

  • Page 239: Installation Set

    Clear All NVM Initializes all value of NVM. Clear JobHistory Initializes Job history. Initializes print volume (PV) or information of Print Auditron. Clear AuditronPV When Print Auditron is enabled, initializes information of Print Auditron. Epson AcuLaser C2900N 2 - 35 Confidential...

  • Page 240: Test Print

    When a PQ problem occurs, this test isolates the problem to the print process or PWBA ESS by com- paring the print with the sample chart. Check result: NG (Check the print process.) OK (Check the PWBA ESS.) Kmy02001KA Epson AcuLaser C2900N 2 - 36 Confidential...

  • Page 241: Grid 2 Ess

    When a PQ problem occurs, this test isolates the trouble to the printer or other causes by comparing the print with the sample chart. Check result: NG (Check the print process and PWBA ESS.) OK (Check the network, cable, PC, etc.) Leg_Sec02_004FA Epson AcuLaser C2900N 2 - 37 Confidential...

  • Page 242: Cyan 20% Ess

    When a PQ problem occurs, this test isolates the problem to the magenta toner or other color toners by comparing the print with the sample chart. Check result: NG (Check the magenta toner.) OK (Check other color toners.) Leg_Sec02_006FA Epson AcuLaser C2900N 2 - 38 Confidential...

  • Page 243: Yellow 20% Ess

    When a PQ problem occurs, this test isolates the problem to the black toner or other color toners by comparing the print with the sample chart. Check result: NG (Check the black toner.) OK (Check other color toners.) Leg_Sec02_008FA Epson AcuLaser C2900N 2 - 39 Confidential...

  • Page 244: Cmy 20% Ess

    When a PQ problem occurs, this test isolates the problem to the imbalance of C/M/Y toners or the black toner by comparing the print with the sample chart. Check result: NG (Check the yellow, magenta, and cyan toners.) OK (Check the black toner.) Leg_Sec02_009FA Epson AcuLaser C2900N 2 - 40 Confidential...

  • Page 245: Gradation Ess

    When a PQ problem occurs, this test isolates the problem to the print process or PWBA ESS by com- paring the sample chart with the print. Check result: NG (Check the print process.) OK (Check the PWBA ESS.) Leg_Sec02_010FA Epson AcuLaser C2900N 2 - 41 Confidential...

  • Page 246: Toner Pallet

    When a PQ problem occurs, this test isolates the problem to the toner or otherwise by comparing the sample chart with the print. Check result: NG (Check the toner.) OK (Check the print job or print data.) Leg_Sec02_011FA Epson AcuLaser C2900N 2 - 42 Confidential...

  • Page 247: Stain Check

    Page 1 to 4: Outputs the scale patterns in vertical and horizontal directions for evaluating regularity and intervals. Page 5: Outputs the correspondence between interval and faulty component. Page 1 Page 2 Wsb02027KA Wsb02028KA Page 3 Page 4 Wsb02029KA Wsb02030KA Page 5 Tbt02072KA 4.6 Parameter Epson AcuLaser C2900N 2 - 43 Confidential...

  • Page 248: Executing Parameter (Registration Adjustment)

    -30 to 30 tion. First Scan 2 K to M,Y or C -1 to 2 Print the parameter list using the Print function of Parameter Menu in diagnosis before changing the value of the registration. Epson AcuLaser C2900N 2 - 44 Confidential...
  • Page 249 Slow Scan 600 M, Y, C Value Shifts the print area in this direction by reducing the value. Image Side Shifts the print area in this direction by increasing the value. Default Value MiS02071KA Epson AcuLaser C2900N 2 - 45 Confidential...

  • Page 250: Executing Parameter (Life Counter)

    Life C Drum 24000 Life K Drum 24000 Life Drum Xero Life Drum Deve K Life SSI Sheet Life Tray 1 Sheet Life Tray 2 Sheet Life Duplex Sheet Life Custom In Life Custom Out Epson AcuLaser C2900N 2 - 46 Confidential...

  • Page 251: Executing Parameter (Printing The Parameter List)

    Press " " key to select the "Print", and then press "OK" key. The parameter list is printed. To exit the test or to returning to one step higher menu, press "STOP" key. Epson AcuLaser C2900N 2 - 47 Confidential...

  • Page 252: Complete

    Press " " key to select "Complete", and then press "OK" key. Press "OK" key twice to execute the process. To exit the print or to return to one step higher menu, press the "STOP" key. Epson AcuLaser C2900N 2 - 48 Confidential...

  • Page 253: Chapter 3 Removal And Replacement Procedures

    CHAPTER Removal and Replacement Procedures Confidential...
  • Page 254 Chapter 3 Removal and Replacement Procedures (RRPs) Chapter 3 Removal and Replacement Procedures (RRPs) CONTENTS 1. Removal and Replacement Procedures (RRPs) ............3 - 1 1.1 Before starting service procedure ..................... 3 - 2 1.2 General notes ........................... 3 - 4 Epson AcuLaser C2900N Confidential...
  • Page 255 As a general rule, optional items are assumed to be removed from the equipment. How- ever, you may work with optional items attached if it does not disturb your work. Epson AcuLaser C2900N 3 - 1 Confidential...
  • Page 256 Screw for •Provided with an •Mounting metal sheet external tooth positions Silver, with washer. of the an external •Diameter of the ground tooth washer thread section is wires. Parts etc Sheet metal uniform. Epson AcuLaser C2900N 3 - 2 Confidential...
  • Page 257 Fuser Unit Drum Cartiridge Black toner cartridge Separator Roller Feed Roller Cyan toner cartridge Magenta toner cartridge Yellow toner cartridge MiS08010SA Epson AcuLaser C2900N 3 - 3 Confidential...
  • Page 258 - Black arrows shown in the illustrations denote moving directions. When numbers are assigned to these arrows, they refer to the order in the procedure. - Refer to [Chapter 4 Plug/Jack (P/J) Connector Locations] for the positions of connectors (P/J). Epson AcuLaser C2900N 3 - 4 Confidential...
  • Page 259 10) Remove the COVER REAR. (RRP1.3) 11) Remove the two screws (silver, tap, 8mm) that fix the COVER ASSY TOP (PL1.1.1) to the printer. 12) Remove the COVER ASSY TOP from the printer. 3 - 5 Confidential Epson AcuLaser C2900N...
  • Page 260 1) Mate the two holes of the COVER ASSY TOP with the pegs of the printer, attach the COVER ASSY TOP. 2) Secure the COVER ASSY TOP to the printer with the two screws (silver, tap, 8mm). 3 - 6 Confidential Epson AcuLaser C2900N...
  • Page 261 11) Slide the TRAY EXT (PL1.1.2) backward until its edge touches the machine. 12) Release the stopper of the TRAY EXT MAIN by depressing the center section of the rear end of the GUIDE TRAY 12)-1 (PL1.1.24), and then remove the TRAY EXT MAIN. 12)-2 3 - 7 Confidential Epson AcuLaser C2900N...
  • Page 262 Chapter 3 Removal and Replacement Procedures Revision B [Replacement] 1) Replace the TRAY EXT MAIN on the COVER ASSY TOP and then slide the TRAY EXT MAIN forward until the stopper is fully locked. 3 - 8 Confidential Epson AcuLaser C2900N...
  • Page 263 8mm) that fix the COVER REAR (PL1.1.3) to the printer. 11) Release the two tabs of the COVER REAR from the holes of the COVER ASSY TOP (PL1.1.1), remove the COVER REAR from the printer. 3 - 9 Confidential Epson AcuLaser C2900N...
  • Page 264 1) Mate the two tabs of the COVER REAR with the holes of the COVER ASSY TOP, attach the COVER REAR. 2) Secure the COVER REAR to the printer with the two screws (silver, tap, 8mm). 3 - 10 Confidential Epson AcuLaser C2900N...
  • Page 265 COVER CST (PL1.1.5) to release the two hooks from the holes of the printer, remove 2)-2 2)-1 2)-1 [Replacement] 1) Attach the COVER CST, secure the left and right hooks of the COVER CST. 1)-1 1)-2 1)-2 3 - 11 Confidential Epson AcuLaser C2900N...
  • Page 266 9) Lift the COVER SIDE R slightly and then release the back hook of the COVER SIDE R from the groove of the COVER ASSY TOP (PL1.1.1). Then remove the COVER SIDE R from the printer. 3 - 12 Confidential Epson AcuLaser C2900N...
  • Page 267 ASSY TOP. 1)-2 2) Secure the front hook of the COVER SIDE R to the printer. 1)-1 3) Secure the COVER SIDE R to the printer with the six screws (silver, tap, 8mm). 3 - 13 Confidential Epson AcuLaser C2900N...
  • Page 268 ASSY WINDOW TNR, mate the upper boss of the COVER ASSY WINDOW TNR with the hole of the COVER REAR. Attach the COVER ASSY WINDOW TNR. 3) Close the COVER ASSY WINDOW TNR. 3 - 14 Confidential Epson AcuLaser C2900N...
  • Page 269 Note: The FUSING part is very hot. Take added care not to get burned when performing the service operation. 5) Remove the FUSER UNIT. (RRP6.1) 6) Remove the two screws (silver, tap, 8mm) that fix the COVER SIDE L (PL1.1.19) to the printer. 3 - 15 Confidential Epson AcuLaser C2900N...
  • Page 270 9) Swing the COVER SIDE L to backward, to release the three notches of the COVER SIDE L from the three hooks of the COVER REAR. Remove the COVER SIDE L from the printer. 3 - 16 Confidential Epson AcuLaser C2900N...
  • Page 271 SIDE L into the groove of the COVER ASSY TOP. 3) Secure the front hook of the COVER SIDE L to the printer. 4) Secure the COVER SIDE L to the printer with the two screws (silver, tap, 8mm). 3 - 17 Confidential Epson AcuLaser C2900N...
  • Page 272 Note: When carrying out the work described below, leave the relay connector on the printer harness side. 11) Release the relay connector from the rib of the printer, disengage the connecter (P/J271) of the HARN ASSY DUP RELAY (PL1.2.13). Note: This step is only for optional duplex. 3 - 18 Confidential Epson AcuLaser C2900N...
  • Page 273 HARN ASSY GND (PL1.2.22), release the HARN ASSY GND from the GUIDE HARNESS AC (PL8.2.6) and the hooks of the printer. Note: This step is only for optional duplex. 3 - 19 Confidential Epson AcuLaser C2900N...
  • Page 274 15) Release the two hooks of the COVER LINK FRONT (PL1.2.30), using a miniature screwdriver. 16) Shift the COVER LINK FRONT to front, remove the COVER LINK FRONT from the LINK ASSY FRONT (PL1.2.18). 3 - 20 Confidential Epson AcuLaser C2900N...
  • Page 275 17) Lift the COVER ASSY FRONT MG slightly up to remove the SPRING LINK FRONT (PL1.2.24) from the LINK ASSY FRONT, using a miniature screwdriver. 18) Remove the SPRING LINK FRONT from the printer. 3 - 21 Confidential Epson AcuLaser C2900N...
  • Page 276 20) Release the hook of the SHAFT PIVOT (PL1.2.23) to pull out the SHAFT PIVOT. 21) Lift the COVER ASSY FRONT MG slightly up to remove the COVER ASSY FRONT MG from the printer. 3 - 22 Confidential Epson AcuLaser C2900N...
  • Page 277 3) Mate the flat face of the SHAFT LINK FRONT FDR with the hole of the COVER ASSY FRONT MG, push the SHAFT LINK FRONT FDR until the hook is locked. 3 - 23 Confidential Epson AcuLaser C2900N...
  • Page 278 Revision B 4) Lift the COVER ASSY FRONT MG slightly up to insert the SPRING LINK FRONT into the LINK ASSY FRONT. 5) Attach the COVER LINK FRONT to the LINK ASSY FRONT. 3 - 24 Confidential Epson AcuLaser C2900N...
  • Page 279 GND with the one screw (silver, 6mm). Note: This step is only for optional duplex. 8) Route the HARN ASSY DUP RELAY and the HARNESS ASSY PNL A through the hooks of the printer. 3 - 25 Confidential Epson AcuLaser C2900N...
  • Page 280 Chapter 3 Removal and Replacement Procedures Revision B 9) Engage the connector (P/J5301) of the HARNESS ASSY PNL A and engage the connector (P/J271) of the HARN ASSY DUP RELAY. Secure the two connectors to the printer. 3 - 26 Confidential Epson AcuLaser C2900N...
  • Page 281 CONSOLE ASSY PANEL from the COVER ASSY FRONT MG. 2)-1 4) Disengage the connector (P/J202) of 2)-1 the CONSOLE ASSY PANEL, and then remove the CONSOLE ASSY PANEL. 2)-1 2)-1 2)-2 3 - 27 Confidential Epson AcuLaser C2900N...
  • Page 282 Revision B [Replacement] 1) Engage the connector (P/J202) of the CONSOLE ASSY PANEL. 2) Attach the CONSOLE ASSY PANEL to the COVER ASSY FRONT MG, secure the CONSOLE ASSY PANEL with the four hooks. 3 - 28 Confidential Epson AcuLaser C2900N...
  • Page 283 11) Remove the four screws (silver, tap, 8mm) that fix the HOLDER ASSY FRONT R (PL1.2.28) to the COVER ASSY FRONT 12) Remove the HOLDER ASSY FRONT R from the COVER ASSY FRONT MG. 3 - 29 Confidential Epson AcuLaser C2900N...
  • Page 284 COVER ASSY FRONT MG. 15) Remove the SPRING LATCH FRONT (PL1.2.10) from the LATCH ASSY FRONT (PL1.2.5). 16) Remove the LATCH ASSY FRONT from the COVER ASSY FRONT MG together with the BUTTON LATCH FRONT (PL1.2.11). 3 - 30 Confidential Epson AcuLaser C2900N...
  • Page 285 Chapter 3 Removal and Replacement Procedures Revision B 17) Remove the BUTTON LATCH FRONT from the LATCH ASSY FRONT. 3 - 31 Confidential Epson AcuLaser C2900N...
  • Page 286 FRONT with the hole of the LATCH ASSY FRONT. 2) Attach the LATCH ASSY FRONT to the COVER ASSY FRONT MG together with the BUTTON LATCH FRONT. 3) Attach the SPRING LATCH FRONT to the LATCH ASSY FRONT. 3 - 32 Confidential Epson AcuLaser C2900N...
  • Page 287 HOLDER ASSY FRONT R and the COVER ASSY FRONT MG. 7) Secure the HOLDER ASSY FRONT R to the COVER ASSY FRONT MG with the three screws (silver, tap, 8mm). 3 - 33 Confidential Epson AcuLaser C2900N...
  • Page 288 11) Remove the COVER ASSY FRONT MG. (RRP1.8) 12) Remove the LATCH ASSY FRONT. (RRP1.10) 13) Remove the CONSOLE ASSY PANEL. (RRP1.9) 14) Remove the HARNESS ASSY PNL A (PL1.2.12) from the COVER ASSY FRONT MG 3 - 34 Confidential Epson AcuLaser C2900N...
  • Page 289 Chapter 3 Removal and Replacement Procedures Revision B [Replacement] 1) Route the HARNESS ASSY PNL A through the hooks of the COVER ASSY FRONT MG. 3 - 35 Confidential Epson AcuLaser C2900N...
  • Page 290 11) Remove the four screws (silver, tap, 8mm) that fix the HOLDER ASSY FRONT R (PL1.2.28) to the COVER ASSY FRONT MG. 12) Remove the HOLDER ASSY FRONT R (PL1.2.28) from the COVER ASSY FRONT MG. 3 - 36 Confidential Epson AcuLaser C2900N...
  • Page 291 (P272) of the HARN ASSY DUP RELAY, pull out the harness and connector (J271) through the hole on the HOLDER ASSY FRONT R , and remove the HARN ASSY DUP RELAY. 15.1 15.2 3 - 37 Confidential Epson AcuLaser C2900N...
  • Page 292 2) Route the harness of the HARN ASSY DUP RELAY along the hooks of the HOLDER ASSY FRONT R. 3) Attach the COVER DRAWER to the HOLDER ASSY FRONT R, secure the COVER DRAWER with the two hooks. 3 - 38 Confidential Epson AcuLaser C2900N...
  • Page 293 HOLDER ASSY FRONT R and the COVER ASSY FRONT MG. 5) Secure the HOLDER ASSY FRONT R to the COVER ASSY FRONT MG with the three screws (silver, tap, 8mm). 3 - 39 Confidential Epson AcuLaser C2900N...
  • Page 294 (PL1.2.23) to pull out the SHAFT PIVOT. [Replacement] 1) Mate the flat face of the SHAFT PIVOT with the hole of the COVER ASSY FRONT MG, push the SHAFT PIVOT until the hook is locked. 3 - 40 Confidential Epson AcuLaser C2900N...
  • Page 295 Chapter 3 Removal and Replacement Procedures Revision B RRP2. PAPER CASSETTE RRP2.1 CASSETTE ASSY 250 (PL2.1.1) [Removal] 1) Pull out the CASSETTE ASSY 250 (PL2.1.1) from the printer. [Replacement] 1) Insert the CASSETTE ASSY 250 into the printer. 3 - 41 Confidential Epson AcuLaser C2900N...
  • Page 296 1) Remove the CASSETTE ASSY 250. (RRP2.1) 2) Release the two hooks of the HOLDER ASSY RETARD (PL2.1.5). 3) Pull up the HOLDER ASSY RETARD to remove the HOLDER ASSY RETARD from the CASSETTE ASSY 250 (PL2.1.1). 3 - 42 Confidential Epson AcuLaser C2900N...
  • Page 297 Revision B [Replacement] 1) Mate the under tab of the HOLDER ASSY RETARD with the hole of the CASSETTE ASSY 250. 2) Secure the left and right hooks of the HOLDER ASSY RETARD. 3 - 43 Confidential Epson AcuLaser C2900N...
  • Page 298 CASSETTE ASSY 250 (PL2.1.1), using a miniature screwdriver. 3) Release the right side holes of the HANDLE ASSY CST from the bosses of the CASSETTE ASSY 250, remove the HANDLE ASSY CST. 3 - 44 Confidential Epson AcuLaser C2900N...
  • Page 299 HANDLE ASSY CST with the bosses of the CASSETTE ASSY 250. 2) Mate the left side holes of the HANDLE ASSY CST with the bosses of the CASSETTE ASSY 250, attach the HANDLE ASSY CST. 3 - 45 Confidential Epson AcuLaser C2900N...
  • Page 300 ASSY DRV (PL3.1.1) from the hook of the DRIVE ASSY PH (PL7.1.4). Note: When carrying out the work described below, leave the relay connector on the printer harness side. 8) Disengage the connector (P/J262) of the CLUTCH ASSY DRV. 3 - 46 Confidential Epson AcuLaser C2900N...
  • Page 301 9) Remove the E-ring that fixes the CLUTCH ASSY DRV to the shaft, using a miniature screwdriver, remove the CLUTCH ASSY DRV. 10) Release the two hooks of the BEARING REGI (PL3.1.2), remove the BEARING REGI from the shaft. 3 - 47 Confidential Epson AcuLaser C2900N...
  • Page 302 CLUTCH ASSY DRV to the ROLL ASSY REGI with the E-ring by using a pliers. 3) Route the harness of the CLUTCH ASSY DRV through the hook of the DRIVE ASSY PH. 3 - 48 Confidential Epson AcuLaser C2900N...
  • Page 303 Chapter 3 Removal and Replacement Procedures Revision B 4) Engage the connector (P/J262) of the CLUTCH ASSY DRV, secure the relay connector with the pegs of the DRIVE ASSY PH. 3 - 49 Confidential Epson AcuLaser C2900N...
  • Page 304 1) Remove the CASSETTE ASSY 250. (RRP2.1) 2) Remove the COVER CST. (RRP1.7) 3) Remove the one screw (silver, tap, 8mm) that fixes the STOPPER CST (PL3.1.10) to the printer. 4) Remove the STOPPER CST from the printer. 3 - 50 Confidential Epson AcuLaser C2900N...
  • Page 305 1) Mate the two holes of the STOPPER CST with the bosses of the printer, attach the STOPPER CST. 2) Secure the STOPPER CST to the printer with the one screw (silver, tap, 8mm). 3 - 51 Confidential Epson AcuLaser C2900N...
  • Page 306 12) Remove the DRIVE ASSY PH. (RRP7.3) 13) Release the hook of the ROLL CORE MSI (PL3.2.3) on the left of the ROLL ASSY FEED (PL 3.2.4), and move the ROLL CORE MSI to left until it stops. 3 - 52 Confidential Epson AcuLaser C2900N...
  • Page 307 15) Close the COVER ASSY FRONT MG. 16) Remove the ROLL ASSY FEED from the SHAFT ASSY FEED by rotating the ROLL ASSY FEED 180 degrees. 17) Open the COVER ASSY FRONT MG. 3 - 53 Confidential Epson AcuLaser C2900N...
  • Page 308 20) Release the harness of the SOLENOID FEED MSI (PL3.1.11) from the hooks of the printer. Note: When carrying out the work described next procedure, leave the relay connector on the printer harness side. 3 - 54 Confidential Epson AcuLaser C2900N...
  • Page 309 (P/J231) of the SOLENOID FEED MSI. 22) Remove the one screw (silver, tap, 8mm) that fixes the SOLENOID FEED MSI to the printer, remove the SOLENOID FEED MSI. 3 - 55 Confidential Epson AcuLaser C2900N...
  • Page 310 FEED MSI through the hooks of the printer. Note: When carrying out the work described next procedure, it is easier to put the D-cut surface of the SHAFT ASSY FEED on the front. 3 - 56 Confidential Epson AcuLaser C2900N...
  • Page 311 5) Hang the SPRING FEED OUT to the GEAR ASSY FEED and the printer. Note: Ensure that the SPRING FEED OUT is oriented to the direction shown in the right. 6) Close the COVER ASSY FRONT MG. 3 - 57 Confidential Epson AcuLaser C2900N...
  • Page 312 8) Open the COVER ASSY FRONT MG. 9) Move the ROLL ASSY FEED to the right side, put the groove of the ROLL ASSY FEED on the pin of the SHAFT ASSY FEED. 3 - 58 Confidential Epson AcuLaser C2900N...
  • Page 313 Chapter 3 Removal and Replacement Procedures Revision B 10) Move the ROLL CORE MSI to the right side, to secure the hook of the ROLL CORE MSI with the groove of the SHAFT ASSY FEED. 3 - 59 Confidential Epson AcuLaser C2900N...
  • Page 314 17) Remove the UPPER UNIT. (RRP3.13) 18) Remove the COVER ASSY FRONT MG. (RRP1.8) 19) Remove the eight screws (silver, tap, 8mm) that fix the FRAME HVPS (PL4.1.20) to the FEEDER ASSY MG SFP (PL3.1.98). 3 - 60 Confidential Epson AcuLaser C2900N...
  • Page 315 Chapter 3 Removal and Replacement Procedures Revision B 20) Remove the FRAME HVPS from the FEEDER ASSY MG SFP together with the PWBA HVPS (PL4.1.19), remove the FEEDER ASSY. 3 - 61 Confidential Epson AcuLaser C2900N...
  • Page 316 ASSY MG SFP, attach the FRAME HVPS to the FEEDER ASSY MG SFP together with the PWBA HVPS. 2) Secure the FRAME HVPS to the FEEDER ASSY MG SFP with the eight screws (silver, tap, 8mm). 3 - 62 Confidential Epson AcuLaser C2900N...
  • Page 317 5) Release the groove on the ROLL ASSY FEED from the vertical pin mounted on the SHAFT ASSY FEED (PL3.2.2) by sliding the ROLL ASSY FEED to the left. 6) Close the COVER ASSY FRONT MG. 3 - 63 Confidential Epson AcuLaser C2900N...
  • Page 318 Chapter 3 Removal and Replacement Procedures Revision B 7) Remove the ROLL ASSY FEED from the SHAFT ASSY FEED by rotating the ROLL ASSY FEED 180 degrees. 3 - 64 Confidential Epson AcuLaser C2900N...
  • Page 319 3) Open the COVER ASSY FRONT MG. 4) Move the ROLL ASSY FEED to the right side, put the groove of the ROLL ASSY FEED on the pin of the SHAFT ASSY FEED. 3 - 65 Confidential Epson AcuLaser C2900N...
  • Page 320 Chapter 3 Removal and Replacement Procedures Revision B 5) Move the ROLL CORE MSI to the right side, to secure the hook of the ROLL CORE MSI with the groove of the SHAFT ASSY FEED. 3 - 66 Confidential Epson AcuLaser C2900N...
  • Page 321 REGI OUT (PL3.2.6), shift the ACTUATOR REGI ROLL M (PL3.2.8) to right side. Note: When carrying out the work described next procedure, take care not to drop and lose the SPRING REGI OUT (PL3.2.7). 3 - 67 Confidential Epson AcuLaser C2900N...
  • Page 322 REGI (PL3.2.9), using a miniature screwdriver. 21) Remove the GEAR REGI R from the ROLL ASSY REGI. Note: When carrying out the work this procedure, it is easier to push the ROLL REGI METAL (PL3.2.10) to frontward. 3 - 68 Confidential Epson AcuLaser C2900N...
  • Page 323 REGI, using a miniature screwdriver. 24) Remove the BEARING R from the ROLL ASSY REGI. Note: When carrying out the work this procedure, it is easier to push the ROLL REGI METAL (PL3.2.10) to frontward. 3 - 69 Confidential Epson AcuLaser C2900N...
  • Page 324 FEEDER ASSY MG SFP (PL3.1.98) together with the ACTUATOR REGI OUT and the ACTUATOR REGI ROLL M. Note: When carrying out the work this procedure, move the ACTUATOR REGI OUT to right until it stops. 3 - 70 Confidential Epson AcuLaser C2900N...
  • Page 325 Note: When carrying out the work this procedure, it is easier to push the ROLL REGI METAL (PL3.2.10) to frontward. 3) Secure the BEARING R to the ROLL ASSY REGI with the E-ring by using the pliers. 3 - 71 Confidential Epson AcuLaser C2900N...
  • Page 326 Note: When carrying out the work this procedure, it is easier to push the ROLL REGI METAL (PL3.2.10) to frontward. 6) Secure the GEAR REGI R to the ROLL ASSY REGI with the E-ring by using the pliers. 3 - 72 Confidential Epson AcuLaser C2900N...
  • Page 327 REGI ROLL M with the tab of the ACTUATOR REGI OUT. Fix it using the hook of the ACTUATOR REGI OUT. Note: Check the ACTUATOR REGI OUT and the ACTUATOR REGI IN movement, after the procedure 9 is completed. 3 - 73 Confidential Epson AcuLaser C2900N...
  • Page 328 16 Remove the TRANSFER ASSY. (RRP6.3) 17) Remove the UPPER UNIT. (RRP3.13) 18) Remove the ROLL ASSY REGI. (RRP3.6) 19) Release the left shaft of the ACTUATOR REGI IN (PL3.2.11) from the hook of the CHUTE UP (PL3.2.26). 3 - 74 Confidential Epson AcuLaser C2900N...
  • Page 329 SPRING ACT REGI (PL3.2.12) by releasing the right shaft of the ACTUATOR REGI IN from the hole of the CHUTE UP. 21) Remove the SPRING ACT REGI from the ACTUATOR REGI IN. 3 - 75 Confidential Epson AcuLaser C2900N...
  • Page 330 ACTUATOR REGI IN and the CHUTE UP correctly. 2) Insert the right shaft of the ACTUATOR REGI IN into the hole of the CHUTE UP, hang the SPRING ACT REGI to the CUHTE UP. 3 - 76 Confidential Epson AcuLaser C2900N...
  • Page 331 3) Fix the left shaft of the ACTUATOR REGI IN with the hook of the CHUTE UP to attach the ACTUATOR REGI IN. Check the ACTUATOR REGI IN movement, after the procedure 3 is completed. 3 - 77 Confidential Epson AcuLaser C2900N...
  • Page 332 REGI OUT (PL3.2.6), shift the ACTUATOR REGI ROLL M (PL3.2.8) to right side. Note: When carrying out the work described next procedure, take care not to drop and lose the SPRING REGI OUT (PL3.2.7). 3 - 78 Confidential Epson AcuLaser C2900N...
  • Page 333 FEEDER ASSY MG SFP (PL3.1.98), and remove the SENSOR PHOTO: REGI. Note: When carrying out the work this procedure, it is easier to push the ACTUATOR. 21) Disengage the connector (P/J232) of the SENSOR PHOTO: REGI. 3 - 79 Confidential Epson AcuLaser C2900N...
  • Page 334 ACTUATOR REGI IN (PL3.2.11) to downward. 3) Close the ACTUATOR REGI OUT by inserting the boss of the ACTUATOR REGI OUT into the SPRING REGI OUT. 3 - 80 Confidential Epson AcuLaser C2900N...
  • Page 335 REGI ROLL M with the tab of the ACTUATOR REGI OUT. Fix it using the hook of the ACTUATOR REGI OUT. Note: Check the ACTUATOR REGI OUT and the ACTUATOR REGI IN movement, after the procedure 5 is completed. 3 - 81 Confidential Epson AcuLaser C2900N...
  • Page 336 BRACKET SNS from the printer too far because they are connected with the harness. 10) Remove the two screws (silver, tap, 8mm) that fix the BRACKET SNS (PL3.2.28) to the printer, remove the BRACKET SNS. 3 - 82 Confidential Epson AcuLaser C2900N...
  • Page 337 Remove the BRACKET SNS. 13) Release the three hooks that fix the SENSOR PHOTO: SSI NO PAPER (PL3.2.13) to the BRACKET SNS, and remove the SENSOR PHOTO: SSI NO PAPER. 3 - 83 Confidential Epson AcuLaser C2900N...
  • Page 338 Chapter 3 Removal and Replacement Procedures Revision B 14) Disengage the connector (P/J233) of the SENSOR PHOTO: SSI NO PAPER. 3 - 84 Confidential Epson AcuLaser C2900N...
  • Page 339 2) Replace the SENSOR PHOTO: SSI NO PAPER to the BRACKET SNS by mating the hook of the SENSOR PHOTO: SSI NO PAPER with its mounting position. 3) Mate the five tabs of the BRACKET SNS with the printer. 3 - 85 Confidential Epson AcuLaser C2900N...
  • Page 340 SNS with the bosses of the printer. 5) Route the harness of the BRACKET SNS through the hooks of the printer. 6) Secure the BRACKET SNS to the printer with the two screws (silver, tap, 8mm). 3 - 86 Confidential Epson AcuLaser C2900N...
  • Page 341 17) Remove the UPPER UNIT. (RRP3.13) 18) Release the three hooks that fix the SENSOR PHOTO: CST NO PAPER (PL3.2.13) to the FEEDER ASSY MG SFP (PL3.1.98), and remove the SENSOR PHOTO: CST NO PAPER. 3 - 87 Confidential Epson AcuLaser C2900N...
  • Page 342 Chapter 3 Removal and Replacement Procedures Revision B 19) Disengage the connector (P/J234) of the SENSOR PHOTO: CST NO PAPER. 3 - 88 Confidential Epson AcuLaser C2900N...
  • Page 343 SENSOR PHOTO: CST NO PAPER. 2) Replace the SENSOR PHOTO: CST NO PAPER to the FEEDER ASSY MG SFP V by mating the hook of the SENSOR PHOTO: CST NO PAPER with its mounting position. 3 - 89 Confidential Epson AcuLaser C2900N...
  • Page 344 BRACKET SNS from the printer too far because they are connected with the harness. 10) Remove the two screws (silver, tap, 8mm) that fix the BRACKET SNS (PL3.2.28) to the printer, remove the BRACKET SNS. 3 - 90 Confidential Epson AcuLaser C2900N...
  • Page 345 BRACKET SNS from the printer. Remove the BRACKET SNS. 13) Release the left shaft of the ACTUATOR SSI (PL3.2.14) from the hook of the CHUTE UP (PL3.2.26). 3 - 91 Confidential Epson AcuLaser C2900N...
  • Page 346 14) Remove the ACTUATOR SSI and the SPRING ACT SSI (PL3.2.15) by releasing the right shaft of the ACTUATOR SSI from the hole of the CHUTE UP. 15) Remove the SPRING ACT SSI from the ACTUATOR SSI. 3 - 92 Confidential Epson AcuLaser C2900N...
  • Page 347 SPRING ACT SSI is hung to ACTUATOR SSI and the CHUTE UP correctly. 2) Insert the right shaft of the ACTUATOR SSI into the hole of the CHUTE UP, hang the SPRING ACT SSI to the CUHTE UP. 3 - 93 Confidential Epson AcuLaser C2900N...
  • Page 348 Check the ACTUATOR SSI movement, after the procedure 3 is completed. 4) Mate the five tabs of the BRACKET SNS with the printer. 5) Mate the two holes of the BRACKET SNS with the bosses of the printer. 3 - 94 Confidential Epson AcuLaser C2900N...
  • Page 349 Chapter 3 Removal and Replacement Procedures Revision B 6) Route the harness of the BRACKET SNS through the hooks of the printer. 7) Secure the BRACKET SNS to the printer with the two screws (silver, tap, 8mm). 3 - 95 Confidential Epson AcuLaser C2900N...
  • Page 350 18) Remove the SENSOR PHOTO: CST NO PAPER. (RRP3.10) 19) Release the right shaft of the ACTUATOR ASSY NO PAPER (PL3.2.32) from the hole of the CHUTE UP (PL3.2.26), using a miniature screwdriver. 3 - 96 Confidential Epson AcuLaser C2900N...
  • Page 351 PAPER and the SPRING STP (PL3.2.16) by releasing the left shaft of the ACTUATOR ASSY NO PAPER from the hole of the CHUTE UP. 21) Remove the SPRING STP from the ACTUATOR ASSY NO PAPER. 3 - 97 Confidential Epson AcuLaser C2900N...
  • Page 352 NO PAPER and the CHUTE UP correctly. 2) Insert the left shaft of the ACTUATOR ASSY NO PAPER into the hole of the CHUTE UP, hang the SPRING STP to the CUHTE UP. 3 - 98 Confidential Epson AcuLaser C2900N...
  • Page 353 3) Insert the right shaft of the ACTUATOR ASSY NO PAPER into the hole of the CHUTE UP. Attach the ACTUATOR ASSY NO PAPER. Check the ACTUATOR ASSY NO PAPER movement, after the procedure 3 is completed. 3 - 99 Confidential Epson AcuLaser C2900N...
  • Page 354 17) Remove the one screw (silver, 6mm) that fixes the grounding terminal of the HARN ASSY GND (PL1.2.22), release the HARN ASSY GND and all the harnesses from the GUIDE HARNESS AC (PL8.2.6). Note: This step is only 2150cdn. 3 - 100 Confidential Epson AcuLaser C2900N...
  • Page 355 19) Release the harness of the HARN ASSY OPTION (PL3.1.20) from the clamp on the BRACKET MCU R (PL8.2.15). 20) Remove the two screws (silver, 6mm) that fix the BRACKET MCU R to the printer. 3 - 101 Confidential Epson AcuLaser C2900N...
  • Page 356 22) Remove the two screws (silver, tap, 8mm) that fix the front side of the printer frame. 23) Remove the two screws (silver, tap, 8mm) that fix the under part of the DISPENSER ASSY. 3 - 102 Confidential Epson AcuLaser C2900N...
  • Page 357 DISPENSER ASSY. 26) Remove the one screw (silver, M4, 6mm) that fixes the rear side of the DISPENSER ASSY and the one screw (silver, tap, 8mm) that fixes the BRACKET MCU L (PL8.2.18). 3 - 103 Confidential Epson AcuLaser C2900N...
  • Page 358 27) Remove the one screw (silver, tap, 8mm) that fixes the left side of the printer frame and the one screw (silver, tap, 8mm) that fixes the BRACKET MCU L. 28) Remove the UPPER UNIT. 3 - 104 Confidential Epson AcuLaser C2900N...
  • Page 359 FEEDER ASSY MG SFP and attach it. 2) Secure the BRACKET MCU L and the left side of the printer frame with the two screws (silver, tap, 8mm). 3 - 105 Confidential Epson AcuLaser C2900N...
  • Page 360 DISPENSER ASSY. Secure the harnesses using the hooks on the DISPENSER ASSY. 5) Open the HOLDER TCRU (K), (C), (M) and (Y), secure the right side of the printer frame with the one screw (silver, tap, 8mm). 3 - 106 Confidential Epson AcuLaser C2900N...
  • Page 361 7) Secure the front side of the printer frame with the two screws (silver, tap, 8mm). 8) Mate the two holes of the BRACKET MCU R with the bosses of the printer, secure it with the two screws (silver, 6mm). 3 - 107 Confidential Epson AcuLaser C2900N...
  • Page 362 10) Insert the tab on the under side of the GUIDE HARNESS AC into the hole of the printer, attach the GUIDE HARNESS AC to the printer. 11) Secure the hook of the GUIDE HARNESS AC to the printer. 3 - 108 Confidential Epson AcuLaser C2900N...
  • Page 363 12) Route the HARN ASSY GND and all the harnesses along the GUIDE HARNESS AC, secure the grounding terminal of the HARN ASSY GND with the one screw (silver, 6mm). Note: This step is only 2150cdn. 3 - 109 Confidential Epson AcuLaser C2900N...
  • Page 364 SWITCH ASSY INLET MG SFP (PL8.2.9). Note: The GUIDE HARNESS AC and the printer are connected with the harness, so they should not be far apart when carrying out the work described next procedure. 3 - 110 Confidential Epson AcuLaser C2900N...
  • Page 365 16) Release the harness of the HARN ASSY OPTION (PL3.1.20) from the clamp on the BRACKET MCU R (PL8.2.15). 17) Remove the two screws (silver, 6mm) that fix the BRACKET MCU R to the printer. 3 - 111 Confidential Epson AcuLaser C2900N...
  • Page 366 ASSY INTERLOCK (PL8.2.5) from the GUIDE HARNESS FSR (PL8.2.2). 20) Release the hook of the GUIDE HARNESS FSR, to release the boss and tab of the GUIDE HARNESS FSR. Remove the GUIDE HARNESS FSR from the printer. 3 - 112 Confidential Epson AcuLaser C2900N...
  • Page 367 FRAME ASSY LVPS (PL8.2.3) to the printer. 22) Remove the one screw (silver, M4, 6mm) that fixes the DRIVE ASSY SUB (PL7.1.1) to the FRAME ASSY LVPS. 23) Remove the FRAME ASSY LVPS from the printer. 3 - 113 Confidential Epson AcuLaser C2900N...
  • Page 368 8mm) that fix the left and right sides of the SPRING ROSs (PL4.1.2) to the printer. Remove the SPRING ROSs from the printer. 26) Lift up the ROS ASSY slowly from the printer. 3 - 114 Confidential Epson AcuLaser C2900N...
  • Page 369 SPRING ROS is oriented to the direction shown in the right. 2) Mate the holes of the SPRING ROSs with the bosses of the printer, secure it with the four screws (silver, tap, 8mm). 3 - 115 Confidential Epson AcuLaser C2900N...
  • Page 370 The securing positions for tap screws are marked with [T]. The securing positions for metal screws are marked with [M]. 5) Secure the DRIVE ASSY SUB to the FRAME ASSY LVPS with the one screw (silver, M4, 6mm). 3 - 116 Confidential Epson AcuLaser C2900N...
  • Page 371 HARN ASSY INTERLOCK and HARNESS ASSY FUSER UNIT MG SFP are kept apart so that they do not contact each other. 8) Route the harness of the HARN ASSY INTERLOCK along the GUIDE HARNESS FSR. 3 - 117 Confidential Epson AcuLaser C2900N...
  • Page 372 (silver, 6mm). 10) Secure the harness of the HARN ASSY OPTION with the clamp on the BRACKET MCU R. 11) Secure the hook of the GUIDE HARNESS AC to the printer. 3 - 118 Confidential Epson AcuLaser C2900N...
  • Page 373 Chapter 3 Removal and Replacement Procedures Revision B 12) Secure the grounding terminal of the SWITCH ASSY INLET MG SFP with the one screw (silver, with washer, 6mm). 3 - 119 Confidential Epson AcuLaser C2900N...
  • Page 374 10) Remove the CLUTCH ASSY DRV and BEARING REGI. (RRP3.1) 11) Remove the GEAR P2, DRIVE ASSY PH. (RRP7.3) 12) Remove the DRIVE ASSY MAIN. (RRP7.2) 13) Release the hook of the BLOCK STOPPER PHD D (PL4.1.6), using a miniature screwdriver. 3 - 120 Confidential Epson AcuLaser C2900N...
  • Page 375 14) Remove the BLOCK STOPPER PHD D from the printer. 15) Remove the SPRING PHD (PL4.1.4) from the printer. 16) Rotate the LEVER PHD (PL4.1.5) slightly, remove the LEVER PHD from the printer. 3 - 121 Confidential Epson AcuLaser C2900N...
  • Page 376 Note: Described below is the replacement procedure common among the upper and lower of the BLOCK STOPPER PHD Ds. 3) Push the BLOCK STOPPER PHD D to the printer until it is locked. 3 - 122 Confidential Epson AcuLaser C2900N...
  • Page 377 7) Remove the COVER SIDE R. (RRP1.5) 8) Remove the LED ASSY ERASE. (RRP4.4) 9) Release the hook of the BLOCK STOPPER PHD AD (PL4.1.7), using a miniature screwdriver. 10) Remove the BLOCK STOPPER PHD AD from the printer. 3 - 123 Confidential Epson AcuLaser C2900N...
  • Page 378 Chapter 3 Removal and Replacement Procedures Revision B 11) Remove the SPRING PHD (PL4.1.4) from the printer. 12) Rotate the LEVER PHD (PL4.1.5) slightly, remove the LEVER PHD from the printer. 3 - 124 Confidential Epson AcuLaser C2900N...
  • Page 379 Note: Described below is the replacement procedure common among the upper and lower of the BLOCK STOPPER PHD ADs. 3) Push the BLOCK STOPPER PHD AD to the printer until it is locked. 3 - 125 Confidential Epson AcuLaser C2900N...
  • Page 380 7) Remove the COVER SIDE R. (RRP1.5) 8) Remove the two screws (silver, tap, 8mm) that fix the LED ASSY ERASE (PL4.1.8) to the printer. 9) Remove the LED ASSY ERASE from the printer. 3 - 126 Confidential Epson AcuLaser C2900N...
  • Page 381 Chapter 3 Removal and Replacement Procedures Revision B 10) Disengage the connector (P/J141) of the LED ASSY ERASE. 3 - 127 Confidential Epson AcuLaser C2900N...
  • Page 382 1) Engage the connecter (P/J141) of the LED ASSY ERASE. 2) Attach the LED ASSY ERASE to the printer. 3) Secure the LED ASSY ERASE to the printer with two screws (silver, tap, 8mm). 3 - 128 Confidential Epson AcuLaser C2900N...
  • Page 383 15) Remove the CLUTCH ASSY DRV and BEARING REGI. (RRP3.1) 16) Remove the TRANSFER ASSY. (RRP6.3) 17) Remove the UPPER UNIT. (RRP3.13) 18) Remove the HARN ASSY HVPS (PL9.1.5) from the PWBA HVPS (PL4.1.19). 3 - 129 Confidential Epson AcuLaser C2900N...
  • Page 384 Chapter 3 Removal and Replacement Procedures Revision B 19) Remove the seven screws (silver, 6mm) that fix the PWBA HVPS to the FRAME HVPS (PL4.1.20). 20) Remove the PWBA HVPS from the FRAME HVPS. 3 - 130 Confidential Epson AcuLaser C2900N...
  • Page 385 HVPS with the tabs of the FRAME HVPS, attach the PWBA HVPS. 2) Secure the PWBA HVPS to the FRAME HVPS with the seven screws (silver, 6mm). 3) Engage the connector (P/J161) of the HARN ASSY HVPS to the PWBAHVPS. 3 - 131 Confidential Epson AcuLaser C2900N...
  • Page 386 PAPER 6) Remove the DRUM CARTRIDGE HANDLE toward you by pulling it by the left and right handles. 7) Lift up the DRUM CARTRIDGE from the printer. 3 - 132 Confidential Epson AcuLaser C2900N...
  • Page 387 CARTRIDGE to clockwise. BELT GUARD 4) Remove the paper from the TRANSFER ASSY. PAPER 5) Close the TRANSFER ASSY. 6) Close the COVER ASSY FRONT MG. 7) Insert the CASSETTE ASSY 250 into the printer. 3 - 133 Confidential Epson AcuLaser C2900N...
  • Page 388 SWITCH ASSY INLET MG SFP (PL8.2.9). Note: The GUIDE HARNESS AC and the printer are connected with the harness, so they should not be far apart when carrying out the work described next procedure. 3 - 134 Confidential Epson AcuLaser C2900N...
  • Page 389 18) Release the harness of the HARN ASSY OPTION (PL3.1.20) from the clamp on the BRACKET MCU R (PL8.2.15). 19) Remove the two screws (silver, 6mm) that fix the BRACKET MCU R to the printer. 3 - 135 Confidential Epson AcuLaser C2900N...
  • Page 390 ASSY INTERLOCK (PL8.2.5) from the GUIDE HARNESS FSR (PL8.2.2). 22) Release the hook of the GUIDE HARNESS FSR, to release the boss and tab of the GUIDE HARNESS FSR. Remove the GUIDE HARNESS FSR from the printer. 3 - 136 Confidential Epson AcuLaser C2900N...
  • Page 391 FRAME ASSY LVPS (PL8.2.3) to the printer. 24) Remove the one screw (silver, M4, 6mm) that fixes the DRIVE ASSY SUB (PL7.1.1) to the FRAME ASSY LVPS. 25) Remove the FRAME ASSY LVPS from the printer. 3 - 137 Confidential Epson AcuLaser C2900N...
  • Page 392 27) Remove the HARNESS ASSY FUSER UNIT MG SFP (PL6.1.2), HARNESS ASSY LVPS MAIN MG SFP, HARN ASSY ESS POWER (PL9.1.10), HARNESS ASSY B (PL9.1.12) and HARN ASSY OPTION (PL3.1.20) from the hooks of the DISPENSER ASSY. 3 - 138 Confidential Epson AcuLaser C2900N...
  • Page 393 6mm) that fixes the rear side of the DISPENSER ASSY to the printer. 30) Release the hole of the DISPENSER ASSY from the boss of the printer, move the DISPENSER ASSY to backward. Remove the DISPENSER ASSY from the printer. 3 - 139 Confidential Epson AcuLaser C2900N...
  • Page 394 2) Secure the rear side of DISPENSER ASSY to the printer with the one screw (silver, M4, 6mm). 3) Secure the DISPENSER ASSY to the printer with the four screws (silver, tap, 8mm). 3 - 140 Confidential Epson AcuLaser C2900N...
  • Page 395 MAIN MG SFP, HARN ASSY ESS POWER, HARNESS ASSY B and HARN ASSY OPTION through the hooks of the DISPENSER ASSY. 5) Attach the connector (P5041) of the HARNESS ASSY LVPS MAIN MG SFP to the DISPENSER ASSY. 3 - 141 Confidential Epson AcuLaser C2900N...
  • Page 396 FRAME ASSY LVPS with the one screw (silver, M4, 6mm). 8) Secure the FRAME ASSY LVPS to the printer with the two screws (silver, M4, 6mm) and the six screws (silver, tap, 8mm). 3 - 142 Confidential Epson AcuLaser C2900N...
  • Page 397 10) Route the harness of the HARN ASSY INTERLOCK along the GUIDE HARNESS FSR. 11) Mate the two holes of the BRACKET MCU R with the bosses of the printer, secure it with the two screws (silver, 6mm). 3 - 143 Confidential Epson AcuLaser C2900N...
  • Page 398 BRACKET MCU R. 13) Secure the hook of the GUIDE HARNESS AC to the printer. 14) Secure the grounding terminal of the SWITCH ASSY INLET MG SFP with the one screw (silver, with washer, 6mm). 3 - 144 Confidential Epson AcuLaser C2900N...
  • Page 399 7) Remove the COVER SIDE R. (RRP1.5) 8) Release the hooks of the SWITCH (PL5.1.9) by using the miniature screwdriver, remove the SWITCH from the printer. 9) Disengage the connector (P/J291) of the SWITCH. 3 - 145 Confidential Epson AcuLaser C2900N...
  • Page 400 Chapter 3 Removal and Replacement Procedures Revision B [Replacement] 1) Engage the connecter (P/J291) of the SWITCH. 2) Attach the SWITCH to the printer, secure the SWITCH with the two hooks. 3 - 146 Confidential Epson AcuLaser C2900N...
  • Page 401 10) Press the central part of the HOLDER ASSY TCRU to release the hole of the HOLDER ASSY TCRU from the boss of the FRAME DISP (PL5.1.12). Open the HOLDER ASSY TCRU by 90 degrees. 3 - 147 Confidential Epson AcuLaser C2900N...
  • Page 402 Chapter 3 Removal and Replacement Procedures Revision B 11) Press the boss part of the HOLDER ASSY TCRU, remove the HOLDER ASSY TCRU from the printer. 3 - 148 Confidential Epson AcuLaser C2900N...
  • Page 403 TCRU with the hole of the FRAME DISP. 3) Press the central part of the HOLDER ASSY TCRU, mate the hole of the HOLDER ASSY TCRU with the boss of the FRAME DISP. 3 - 149 Confidential Epson AcuLaser C2900N...
  • Page 404 1) Open the COVER ASSY WINDOW TNR (PL1.1.7). 2) Move the handle of the TONER CARTRIDGE to backward, to release the lock. 3) Open the HOLDER ASSY TCRU K (PL5.1.17). 4) Remove the TONER CARTRIDGE from the HOLDER ASSY TCRU. 3 - 150 Confidential Epson AcuLaser C2900N...
  • Page 405 Note: Described below is the replacement procedure common among the four TONER CARTRIDGEs. 1) Shake the TONER CARTRIDGE five or six times for the distributing toner evenly. 2) Insert the TONER CARTRIDGE into the HOLDER ASSY TCRU slowly, attach it. 3 - 151 Confidential Epson AcuLaser C2900N...
  • Page 406 Note: When performing the step described next procedure, mate the delta mark of the Handle with the lock mark on the cartridge holder. 4) Move the handle to the front. 5) Close the COVER ASSY WINDOW TNR. 3 - 152 Confidential Epson AcuLaser C2900N...
  • Page 407 2) Open the TRANSFER ASSY (PL6.1.7). 3) Pull the LEVER to release the lock. 4) Disengage the connector of the FUSER UNIT by pulling the right side of the FUSER UNIT toward you with the LEVER released. 3 - 153 Confidential Epson AcuLaser C2900N...
  • Page 408 Chapter 3 Removal and Replacement Procedures Revision B 5) Lift up the FUSER UNIT, move the FUSER UNIT to the right side. 3 - 154 Confidential Epson AcuLaser C2900N...
  • Page 409 Note: When the FUSER UNIT is replaced with a new one, perform the following steps. 5) Plug in the power cord to the printer. 6) Initialize the Life Counter of the FUSER UNIT. 3 - 155 Confidential Epson AcuLaser C2900N...
  • Page 410 11) Press the "▼" key several times until "Initializing" is displayed. Press the [OK] key once. 12) Press the [OK] key once, and Initializing the Life Counter of the FUSER UNIT is performed. 13) Turn off the power to exit. 3 - 156 Confidential Epson AcuLaser C2900N...
  • Page 411 ASSY DRV (PL3.1.1) from the hook of the DRIVE ASSY PH (PL7.1.4). 10) Remove the E-ring that fixes the CLUTCH ASSY DRV to the shaft, using a miniature screwdriver, remove the CLUTCH ASSY DRV. 3 - 157 Confidential Epson AcuLaser C2900N...
  • Page 412 Note: When carrying out the work described next procedure, take care not to drop the GEAR T4. 13) Pull out the PIVOT TRANS L (PL6.1.4), remove the GEAR T4 (PL6.1.5) from the printer. 3 - 158 Confidential Epson AcuLaser C2900N...
  • Page 413 (PL6.1.6) to the printer. Note: When carrying out the work described next procedure, keep the TRANSFER ASSY slightly lifted for ease of work. 15) Pull out the SHAFT ASSY PIVOT from the printer. 3 - 159 Confidential Epson AcuLaser C2900N...
  • Page 414 GEAR T4 is correctly. Note: When carrying out the work described next procedure, keep the TRANSFER ASSY slightly lifted for ease of work. 3 - 160 Confidential Epson AcuLaser C2900N...
  • Page 415 4) Mate the tab of the STOPPER PIVOT with the notch of the DRIVE ASSY MAIN, attach the STOPPER PIVOT to the PIVOT TRANS L. 3 - 161 Confidential Epson AcuLaser C2900N...
  • Page 416 CLUTCH ASSY DRV to the ROLL ASSY REGI with the E-ring by using a pliers. 7) Route the harness of the CLUTCH ASSY DRV through the hook of the DRIVE ASSY PH. 3 - 162 Confidential Epson AcuLaser C2900N...
  • Page 417 10) Release the hooks of the COVER HARNESS (PL6.1.8), using a miniature screwdriver, and then remove the COVER HARNESS. Note: When carrying out the work described below, leave the relay connector on the TRANSFER ASSY harness side. 3 - 163 Confidential Epson AcuLaser C2900N...
  • Page 418 13) Tilt the TRANSFER ASSY slowly. 14) Remove the STOPPER PIVOT (PL6.1.3), PIVOT TRANS L (PL6.1.4), GEAR T4 (PL6.1.5), and SHAFT ASSY PIVOT (PL6.1.6). (RRP6.2) 15) Remove the TRANSFER ASSY from the printer. 3 - 164 Confidential Epson AcuLaser C2900N...
  • Page 419 Note: When carrying out the work described next procedure, take care not to scratch the belt surface of the TRANSFER ASSY. 4) Route the harness of the printer through the hooks of the TRANSFER ASSY. 3 - 165 Confidential Epson AcuLaser C2900N...
  • Page 420 Chapter 3 Removal and Replacement Procedures Revision B 5) Engage the connector (P/J281) of the TRANSFER ASSY, secure the relay connector with the pegs of the TRANSFER ASSY. 6) Attach the COVER HARNESS to the TRANSFER ASSY. 3 - 166 Confidential Epson AcuLaser C2900N...
  • Page 421 Note: When performing the step described below, it is not necessary to disengage the connector of the HARN ASSY INTERLOCK. 13) Remove the HARN ASSY INTERLOCK. (RRP8.6) 14) Disengage the connector (P/J221) of the DRIVE ASSY SUB (PL7.1.1). 3 - 167 Confidential Epson AcuLaser C2900N...
  • Page 422 15) Remove the one screw (silver, M4, 6mm) and the four screws (silver, tap, 8mm) that fix the DRIVE ASSY SUB to the printer. 16) Remove the DRIVE ASSY SUB from the printer. 3 - 168 Confidential Epson AcuLaser C2900N...
  • Page 423 The securing positions for metal screws are marked with [M]. 2) Secure the DRIVE ASSY SUB to the printer with the one screw (silver, M4, 6mm) and the four screws (silver, tap, 8mm). 3 - 169 Confidential Epson AcuLaser C2900N...
  • Page 424 Chapter 3 Removal and Replacement Procedures Revision B 3) Engage the connecter (P/J221) of the DRIVE ASSY SUB. 3 - 170 Confidential Epson AcuLaser C2900N...
  • Page 425 10) Remove the CLUTCH ASSY DRV and BEARING REGI. (RRP3.1) 11) Remove the GEAR P2, DRIVE ASSY PH. (RRP7.3) 12) Rotate the STOPPER PIVOT (PL6.1.3), mate the tabs of the STOPPER PIVOT with the notches of the DRIVE ASSY MAIN (PL7.1.2). 3 - 171 Confidential Epson AcuLaser C2900N...
  • Page 426 14) Remove the one screw (silver, M4, 6mm) and the five screws (silver, tap, 8mm) that fix the DRIVE ASSY MAIN to the printer. 15) Remove the DRIVE ASSY MAIN from the printer. 3 - 172 Confidential Epson AcuLaser C2900N...
  • Page 427 The securing positions for metal screws are marked with [M]. 2) Secure the DRIVE ASSY MAIN to the printer with the one screw (silver, M4, 6mm) and the five screws (silver, tap, 8mm). 3 - 173 Confidential Epson AcuLaser C2900N...
  • Page 428 4) Mate the tab of the STOPPER PIVOT with the notch of the DRIVE ASSY MAIN, attach the STOPPER PIVOT to the PIVOT TRANS L. 3 - 174 Confidential Epson AcuLaser C2900N...
  • Page 429 Chapter 3 Removal and Replacement Procedures Revision B 5) Rotate the STOPPER PIVOT to the left, secure the STOPPER PIVOT to the DRIVE ASSY MAIN frame. 3 - 175 Confidential Epson AcuLaser C2900N...
  • Page 430 26) on the PWBA MCU (PL8.2.13), release the harness from the GUIDE HARNESS AC (PL8.2.6). 12) Disengage the connector (P/J211) of the DRIVE ASSY MAIN (PL7.1.2), release all the harness from the hooks of the DRIVE ASSY PH. 3 - 176 Confidential Epson AcuLaser C2900N...
  • Page 431 DRIVE ASSY PH to the printer. Note: When carrying out the work described next procedure, take care not to drop the coupling gear to inside. 14) Remove the DRIVE ASSY PH from the printer. 3 - 177 Confidential Epson AcuLaser C2900N...
  • Page 432 DRIVE ASSY PH, release the HARN ASSY KSNR REGCL (PL9.1.9) from the hook of the DRIVE ASSY PH. 16) Remove the GEAR P2 (PL7.1.3) from the shaft of the DRIVE ASSY SUB (PL7.1.1). 3 - 178 Confidential Epson AcuLaser C2900N...
  • Page 433 ASSY PH, route the HARN ASSY KSNR REGCL through the hook of the DRIVE ASSY PH. Note: When carrying out the work described next procedure, take care not to drop the coupling gear to inside. 3 - 179 Confidential Epson AcuLaser C2900N...
  • Page 434 6mm), the one screw (silver, M3, 6mm) and the one screw (silver, tap, 8mm). 5) Route all the harness through the hooks of the DRIVE ASSY PH, engage the connector (P/J211) of the DRIVE ASSY MAIN. 3 - 180 Confidential Epson AcuLaser C2900N...
  • Page 435 Chapter 3 Removal and Replacement Procedures Revision B 6) Route the harness of the DRIVE ASSY PH and HARN ASSY KSNR REGCL along the GUIDE HARNESS AC, engage the two connectors (P/J24, 26) with the PWBA MCU. 3 - 181 Confidential Epson AcuLaser C2900N...
  • Page 436 (P/J503) on the PWBA LVPS (PL8.2.1), release the harness of the FAN from the hooks of the DUCT FAN (PL8.1.2). 11) Release the four hooks of the DUCT FAN, remove the FAN from the printer. 3 - 182 Confidential Epson AcuLaser C2900N...
  • Page 437 1) Secure the FAN to the DUCT FAN with the four hooks. 2) Route the harness of the FAN through the hooks of the DUCT FAN, engage the connector (P/J503) of the FAN to the PWBA LVPS. 3 - 183 Confidential Epson AcuLaser C2900N...
  • Page 438 PLATE ESS from the slit of the SHIELD ASSY ESS (PL8.1.3) after releasing the lower tab of the PLATE ESS from the slit of the SHIELD ASSY ESS. Remove the PLATE ESS from the printer. 3 - 184 Confidential Epson AcuLaser C2900N...
  • Page 439 Chapter 3 Removal and Replacement Procedures Revision B 13) Remove the eleven screws (silver, 6mm) that fix the SHIELD ASSY ESS to the printer. 14) Remove the SHIELD ASSY ESS from the printer. 3 - 185 Confidential Epson AcuLaser C2900N...
  • Page 440 16) Remove the one screw (silver, 6mm) that fixes the DUCT FAN to the printer. 17) Release the two hooks of the DUCT FAN, using a miniature screwdriver, and then remove the DUCT FAN from the printer. 3 - 186 Confidential Epson AcuLaser C2900N...
  • Page 441 (silver, 6mm). 3) Route the HARN ASSY ESS and HARN ASSY ESS VIDEO through the hooks of the DUCT FAN, engage the two connectors (P/J101, 111) on the PWBA ESS SFP. 3 - 187 Confidential Epson AcuLaser C2900N...
  • Page 442 5) Insert the lower tab of the PLATE ESS into the slit of the SHIELD ASSY ESS, after inserting the upper tab of the PLATE ESS into the slit of the SHIELD ASSY ESS. 3 - 188 Confidential Epson AcuLaser C2900N...
  • Page 443 Chapter 3 Removal and Replacement Procedures Revision B 6) Close the PLATE ESS and secure the SCREW KNURLING. 3 - 189 Confidential Epson AcuLaser C2900N...
  • Page 444 7) Remove the COVER SIDE R. (RRP1.5) 8) Remove the COVER SIDE L. (RRP1.7) 9) Remove the COVER REAR. (RRP1.3) 10) Remove the FAN. (RRP8.1) 11) Loosen the SCREW KNURLING (PL8.1.13) and then open the PLATE ESS (PL8.1.12). 3 - 190 Confidential Epson AcuLaser C2900N...
  • Page 445 PLATE ESS from the slit of the SHIELD ASSY ESS. Remove the PLATE ESS from the printer. 13) Remove the eleven screws (silver, 6mm) that fix the SHIELD ASSY ESS to the printer. 3 - 191 Confidential Epson AcuLaser C2900N...
  • Page 446 PWBA ESS SFP (PL8.1.7). 16) Pull out the connector (J401) of the HARN ASSY ESS POWER (PL9.1.10) and the connector (J403) of the HARNESS ASSY B (PL9.1.12) through the hole of the FRAME ESS (PL8.1.5). 3 - 192 Confidential Epson AcuLaser C2900N...
  • Page 447 ESS SFP to the PLATE IF M. 19) Remove the two screws (silver, 6mm) that fix the PWBA ESS SFP to the PLATE IF M, remove the PWBA ESS SFP from the PLATE IF M. 3 - 193 Confidential Epson AcuLaser C2900N...
  • Page 448 2) Remove the ROM from IC socket on new PWBA ESS SFP using a miniature screwdriver or the like. Note: Do not use ROMs removed from new PWBA ESS SFP. 3 - 194 Confidential Epson AcuLaser C2900N...
  • Page 449 4) Secure the PLATE IF M to the PWBA ESS SFP with the two screws (silver, 6mm). 5) Secure the USB connector of the PWBA ESS SFP to the PLATE IF M with the one screw (silver, 4mm). 3 - 195 Confidential Epson AcuLaser C2900N...
  • Page 450 (silver, 6mm). 8) Insert the connector (J401) of the HARN ASSY ESS POWER and the connector (J403) of the HARNESS ASSY B into the FRAME ESS through the hole. 3 - 196 Confidential Epson AcuLaser C2900N...
  • Page 451 9) Engage all the connectors of the PWBA ESS SFP. 10) Mate the five bosses of the printer with the holes of the SHIELD ASSY ESS, secure it with the eleven screws (silver, 6mm). 3 - 197 Confidential Epson AcuLaser C2900N...
  • Page 452 ESS into the slit of the SHIELD ASSY ESS, after inserting the upper tab of the PLATE ESS into the slit of the SHIELD ASSY ESS. 12) Close the PLATE ESS and secure the SCREW KNURLING. 3 - 198 Confidential Epson AcuLaser C2900N...
  • Page 453 Note: Use the wrist strap to protect the PWB from the electrostatic. 1) Loosen the SCREW KNURLING (PL8.1.13) and then open the PLATE ESS (PL8.1.12). 2) Push the release latches of the socket to release the MEMORY CARD (PL8.1.15). 3) Remove the MEMORY CARD. 3 - 199 Confidential Epson AcuLaser C2900N...
  • Page 454 MEMORY CARD with the lug on the socket. 2) Insert the MEMORY CARD to the socket until it locks. 3) Close the PLATE ESS and secure the SCREW KNURLING. 3 - 200 Confidential Epson AcuLaser C2900N...
  • Page 455 4) Remove the FUSER UNIT. (RRP6.1) 5) Remove the COVER ASSY TOP. (RRP1.1) 6) Disengage all the connectors of the PWBA LVPS (PL8.2.1). 7) Remove the six screws (silver, 6mm) that fix the PWBA LVPS to the printer. 3 - 201 Confidential Epson AcuLaser C2900N...
  • Page 456 Chapter 3 Removal and Replacement Procedures Revision B 8) Remove the PWBA LVPS from the printer. 3 - 202 Confidential Epson AcuLaser C2900N...
  • Page 457 Revision B [Replacement] 1) Attach the PWBA LVPS to the printer. 2) Secure the PWBA LVPS to the printer with the six screws (silver, 6mm). 3) Engage all the connectors of the PWBA LVPS. 3 - 203 Confidential Epson AcuLaser C2900N...
  • Page 458 PWBA LVPS (PL8.2.1), release the harness of the HARN ASSY INTERLOCK from the GUIDE HARNESS FSR (PL8.2.2). 8) Release the clamps that fix the harness of the HARN ASSY INTERLOCK, remove the harness. 3 - 204 Confidential Epson AcuLaser C2900N...
  • Page 459 Chapter 3 Removal and Replacement Procedures Revision B 9) Remove the one screw (sliver, tap, 16mm) that fixes the HARN ASSY INTERLOCK to the printer, remove the HARN ASSY INTERLOCK. 3 - 205 Confidential Epson AcuLaser C2900N...
  • Page 460 3) Route the harness of the HARN ASSY INTERLOCK along the GUIDE HARNESS FSR, engage the connector (P/J44) of the HARN ASSY INTERLOCK to the PWBA LVPS. 3 - 206 Confidential Epson AcuLaser C2900N...
  • Page 461 6) Remove the COVER SIDE L. (RRP1.7) 7) Remove the one screw (silver, tap, 8mm) that fixes the SENSOR HUM (PL8.2.7) to the printer, remove the SENSOR HUM. 8) Disengage the connector (P/J201) of the SENSOR HUM. 3 - 207 Confidential Epson AcuLaser C2900N...
  • Page 462 Chapter 3 Removal and Replacement Procedures Revision B [Replacement] 1) Engage the connecter (P/J201) of the SENSOR HUM. 2) Secure the SENSOR HUM to the printer with the one screw (silver, tap, 8mm). 3 - 208 Confidential Epson AcuLaser C2900N...
  • Page 463 Remove the one screw (silver, with washer, 6mm) that fixes the grounding terminal of the SWITCH ASSY INLET MG SFP, release the harness of the SWITCH ASSY INLET MG SFP from the GUIDE HARNESS AC. 3 - 209 Confidential Epson AcuLaser C2900N...
  • Page 464 13) Release the BRAKET SW from the hook together with the MAIN SW. 14) Remove the two screws (silver, tap, 12mm) that fix the COVER INLET (PL8.2.22) to the printer. 3 - 210 Confidential Epson AcuLaser C2900N...
  • Page 465 SWITCH ASSY INLET MG SFP from the printer. 17) Release the hooks of the AC INLET, remove the AC INLET of the SWITCH ASSY INLET MG SFP from the COVER INLET. 3 - 211 Confidential Epson AcuLaser C2900N...
  • Page 466 POWER through the hole of the COVER INLET . 19) Pull out the connector (J48) through the hole of the COVER INLET, and remove the SWITCH ASSY INLET MG SFP from the COVER INLET. 3 - 212 Confidential Epson AcuLaser C2900N...
  • Page 467 POWER of the SWITCH ASSY INLET MG SFP through the hole of the COVER INLET. 3) Attach the AC INLET of the SWITCH ASSY INLET MG SFP to the COVER INLET, and secure it with the hooks. 3 - 213 Confidential Epson AcuLaser C2900N...
  • Page 468 ON/OFF mark of the SWITCH POWER with the mark on the BRACKET SW. 5) Attach the SWITCH POWER of the SWITCH ASSY INLET MG SFP to the BRACKET SW, and secure it with the hooks. 3 - 214 Confidential Epson AcuLaser C2900N...
  • Page 469 GUIDE HARNESS 8) Mate the holes of the BRACKET SW with the two bosses of the printer, secure the BRACKET SW with the two screws (silver, tap, 8mm). 3 - 215 Confidential Epson AcuLaser C2900N...
  • Page 470 Engage the connector (P/J48) of the SWITCH ASSY INLET MG SFP to the PWBA LVPS. 10) Route the harness along the GUIDE HARNESS AC, engage the five connectors (P/J20, 23, 24, 26 and 28) with the PWBA MCU. 3 - 216 Confidential Epson AcuLaser C2900N...
  • Page 471 19) Remove the COVER ASSY TOP. (RRP1.1) 20) Remove the COVER SIDE R. (RRP1.5) 21) Remove the COVER SIDE L. (RRP1.7) 22) Remove the COVER REAR. (RRP1.3) 23) Remove the FAN. (RRP8.1) 24) Remove the PWBA ESS SFP. (RRP8.3) 3 - 217 Confidential Epson AcuLaser C2900N...
  • Page 472 27) Remove the hole of the FRAME ESS from the hook of the FRAME ASSY LVPS (PL8.2.3) by lifting the FRAME ESS slightly. Remove the FRAME ESS from the printer together with the DUCT FAN (PL8.1.2). 3 - 218 Confidential Epson AcuLaser C2900N...
  • Page 473 Chapter 3 Removal and Replacement Procedures Revision B 28) Disengage all the connectors of the PWBA MCU (PL8.2.13). 29) Remove the six screws (silver, 6mm) that fix the PWBA MCU to the printer. 3 - 219 Confidential Epson AcuLaser C2900N...
  • Page 474 Chapter 3 Removal and Replacement Procedures Revision B 30) Remove the PWBA MCU from the printer. 3 - 220 Confidential Epson AcuLaser C2900N...
  • Page 475 Note: Use the wrist strap to protect the PWB from the electrostatic. 1) Mate the holes of the PWBA MCU with the tabs of the printer, attach it. 2) Secure the PWBA MCU to the printer with the six screws (silver, 6mm). 3 - 221 Confidential Epson AcuLaser C2900N...
  • Page 476 Chapter 3 Removal and Replacement Procedures Revision B 3) Engage all the connectors of the PWBA MCU. 4) Mate the hole of the FRAME ESS with the hook of the FRAME ASSY LVPS. 3 - 222 Confidential Epson AcuLaser C2900N...
  • Page 477 16) Press the [OK] key once, and NVM Load is performed. 17) After NVM Load is complete, press the [STOP] key several times until "IOT Diag" is displayed. 18) Press the "▼" key several times until "Complete" is displayed. 3 - 223 Confidential Epson AcuLaser C2900N...
  • Page 478 Chapter 3 Removal and Replacement Procedures Revision B 19) Press the [OK] key twice. “Ready” is displayed. 20) Turn off the power to exit. 3 - 224 Confidential Epson AcuLaser C2900N...
  • Page 479 RRP9.1 FEEDER ASSY DUP SFP STD (PL11.1.1) [Removal] 1) Open the COVER ASSY FRONT MG (PL1.2.1). 2) While pushing the LATCH BUTTON, lift up the FEEDER ASSY DUP SFP STD from the printer. 3 - 225 Confidential Epson AcuLaser C2900N...
  • Page 480 DUP SFP STD with the one on the COVER ASSY FRONT MG, attach the FEEDER ASSY DUP SFP STD. 2) Push the FEEDER ASSY DUP SFP STD to secure it. 3) Close the COVER ASSY FRONT MG. 3 - 226 Confidential Epson AcuLaser C2900N...
  • Page 481 4) Disengage the connector (P/J603) of the DRIVE ASSY DUP (PL11.2.5) on the PWBA DUP (PL11.1.16), release the harness of the DRIVE ASSY DUP from the hooks of the COVER DRIVE DUP (PL11.2.3). 3 - 227 Confidential Epson AcuLaser C2900N...
  • Page 482 COVER DRIVE DUP from the FEEDER ASSY DUP SFP STD. 6) Remove the four screws (silver, tap, 8mm) that fix the DRIVE ASSY DUP to the FEEDER ASSY DUP SFP STD , remove the DRIVE ASSY DUP. 3 - 228 Confidential Epson AcuLaser C2900N...
  • Page 483 DUP from the ROLLER ASSY DUP (PL11.2.9). 8) Remove the BEARING DUP (PL11.2.7) that fixes the right and left sides of the ROLLER ASSY DUP by rotating in the direction shown by the arrow. 3 - 229 Confidential Epson AcuLaser C2900N...
  • Page 484 Chapter 3 Removal and Replacement Procedures Revision B 9) Remove the ROLLER ASSY DUP from the FEEDER ASSY DUP SFP STD. 3 - 230 Confidential Epson AcuLaser C2900N...
  • Page 485 ROLLER ASSY DUP by matching the tab of the BEARING DUP with the notch of the FEEDER ASSY DUP SFP STD. Clamp the BEARING DUP firmly to the FEEDER ASSY DUP SFP STD. 3 - 231 Confidential Epson AcuLaser C2900N...
  • Page 486 GEAR ROLL DUP with the groove of the FEEDER ASSY DUP SFP STD. 4) Attach the DRIVE ASSY DUP to the FEEDER ASSY DUP SFP STD, secure the DRIVE ASSY DUP with the four screws (silver, tap, 8mm). 3 - 232 Confidential Epson AcuLaser C2900N...
  • Page 487 STD using the five hooks. 6) Route the harness of the DRIVE ASSY DUP along the hooks of the COVER DRIVE DUP, engage the connector (P/J603) of the DRIVE ASSY DUP to the PWBA DUP. 3 - 233 Confidential Epson AcuLaser C2900N...
  • Page 488 7) Attach the COVER PWBA DUP to the FEEDER ASSY DUP SFP STD, secure the COVER PWBA DUP with the six hooks. 8) Replace the FEEDER ASSY DUP SFP STD. (Replacement 57) 9) Close the COVER ASSY FRONT MG . 3 - 234 Confidential Epson AcuLaser C2900N...
  • Page 489 1) Remove the CASSETTE ASSY 250. (RRP2.1) 2) Remove the two SCREW JOINTs (PL12.1.2) that fix the FEEDER ASSY OPT (PL12.1.3) to the printer. 3) Lift up the printer to separate it from the FEEDER ASSY OPT. 3 - 235 Confidential Epson AcuLaser C2900N...
  • Page 490 2) Secure the printer to the FEEDER ASSY OPT using the two SCREW JOINTs. 3) Insert the CASSETTE ASSY 250 OPT into the FEEDER ASSY OPT. 4) Insert the CASSETTE ASSY 250 into the printer. 3 - 236 Confidential Epson AcuLaser C2900N...
  • Page 491 1) Remove the CASSETTE ASSY 250 OPT. 2) Release the hook of the ROLL CORE MSI (PL12.4.3) on the left of the ROLL ASSY FEED (PL 12.4.4), and move the ROLL CORE MSI to left until it stops. 3 - 237 Confidential Epson AcuLaser C2900N...
  • Page 492 Chapter 3 Removal and Replacement Procedures Revision B 3) Release the groove on the ROLL ASSY FEED from the vertical pin mounted on the SHAFT ASSY FEED (PL12.4.2) by sliding the ROLL ASSY FEED to the left. 3 - 238 Confidential Epson AcuLaser C2900N...
  • Page 493 Chapter 3 Removal and Replacement Procedures Revision B 4) Remove the ROLL ASSY FEED from the SHAFT ASSY FEED by rotating the ROLL ASSY FEED 180 degrees. 3 - 239 Confidential Epson AcuLaser C2900N...
  • Page 494 ASSY FEED with the groove of the ROLL ASSY FEED facing upward, rotate the ROLL ASSY FEED 180 degrees so that the pin on the SHAFT ASSY FEED is aligned with the groove on the ROLL ASSY FEED. 3 - 240 Confidential Epson AcuLaser C2900N...
  • Page 495 Chapter 3 Removal and Replacement Procedures Revision B 2) Move the ROLL ASSY FEED to the right side, put the groove of the ROLL ASSY FEED on the pin of the SHAFT ASSY FEED. 3 - 241 Confidential Epson AcuLaser C2900N...
  • Page 496 3) Move the ROLL CORE MSI to the right side, to secure the hook of the ROLL CORE MSI with the groove of the SHAFT ASSY FEED. 4) Insert the CASSETTE ASSY 250 OPT into the FEEDER ASSY OPT. 3 - 242 Confidential Epson AcuLaser C2900N...
  • Page 497 CHAPTER Plug/Jack (P/J) Connector Locations Confidential...

  • Page 498: Chapter 4 Plug/Jack(P/J) Connector Locations

    1.1 List of P/J ............................4 - 1 1.2 IOT P/J layout diagram ........................4 - 4 1.3 OPTION DUPLEX P/J layout diagram ..................... 4 - 8 1.4 OPTION FEEDER P/J layout diagram..................... 4 - 9 Epson AcuLaser C2900N Confidential...

  • Page 499: Connector [P (Plug) / J (Jack)]

    Connects DISPENSER ASSY (Motor Assy DISP C) and HARNESS ASSY C-151 TNR MOT Connects DISPENSER ASSY (Motor Assy DISP K) and HARNESS ASSY C-150 TNR MOT Connects FEEDER ASSY MG SFP (HUM Sensor) and HARNESS ASSY H-141 Epson AcuLaser C2900N 4 - 1 Confidential...
  • Page 500 Connects PWBA LVPS and HARNESS ASSY LVPS MAIN MG SFP Connects ADC Sensor and HARNESS ASSY CTD SNR2 (TRANSFER 2811 D-107 ASSY) 5041 I-107 Not Connect (Used in production process only) 5301 H-111 Connects HARNESS ASSY PNL A and HARNESS ASSY B Epson AcuLaser C2900N 4 - 2 Confidential...
  • Page 501 Connects Feed Solenoid and HARNESS ASSY TRAY COMP 4212 F-185 Connects Tray2 No PaperSenser and HARNESS ASSY TRAY COMP Connects MOTOR ASSY SUB (OPT FDR Motor) and HARNESS ASSY 4221 E-179 TRAY MOT Epson AcuLaser C2900N 4 - 3 Confidential...

  • Page 502: Iot P/J Layout Diagram

    Chapter 4 Plug/Jack (P/J) Connector Locations Revision B 1.2 IOT P/J layout diagram 2811 5041 5301 MiS04001S A Epson AcuLaser C2900N 4 - 4 Confidential...
  • Page 503 Chapter 4 Plug/Jack (P/J) Connector Locations Revision B MiS04002SA Epson AcuLaser C2900N 4 - 5 Confidential...
  • Page 504 Chapter 4 Plug/Jack (P/J) Connector Locations Revision B MiS04003SA Epson AcuLaser C2900N 4 - 6 Confidential...
  • Page 505 Chapter 4 Plug/Jack (P/J) Connector Locations Revision B 101* 16 27 20 : Not Connect MiS04004SA Epson AcuLaser C2900N 4 - 7 Confidential...

  • Page 506: Option Duplex P/J Layout Diagram

    Chapter 4 Plug/Jack (P/J) Connector Locations Revision B 1.3 OPTION DUPLEX P/J layout diagram 605* : Not Connect MiS04005KA Epson AcuLaser C2900N 4 - 8 Confidential...

  • Page 507: Option Feeder P/J Layout Diagram

    Chapter 4 Plug/Jack (P/J) Connector Locations Revision B 1.4 OPTION FEEDER P/J layout diagram 4221 4211 4201 4202 4212 MiS04006GA Epson AcuLaser C2900N 4 - 9 Confidential...

  • Page 508: Chapter 5 Parts List

    CHAPTER Parts List Confidential...
  • Page 509 PL12.4 250 Feeder (Option) (4/5) [Illustration] ..................5 - 42 PL12.4 250 Feeder (Option) (4/5) [List] ....................5 - 43 PL12.5 250 Feeder (Option) (5/5) [Illustration] ..................5 - 44 PL12.5 250 Feeder (Option) (5/5) [List] ....................5 - 45 Epson AcuLaser C2900N Confidential...

  • Page 510: Parts List

    "Z" of the plate "X.Y". - The mark "∗" attached to parts in the list represents "Note" or "Reference" about that parts is con- tained in the same page. Epson AcuLaser C2900N 5 - 1 Confidential...
  • Page 511 Revision B For spare parts, refer to the "Spare parts list" which is issued separately. For the connector (P/J), parts such as harness, wire, etc. in the list, refer to "Chapter 7, Electric wiring" Epson AcuLaser C2900N 5 - 2 Confidential...

  • Page 512: Customer Replaceable Parts Illustration

    [Ref PL5.1.21] TONER CARTRIDGE (C) HOLDER ASSY RETARD [Ref PL5.1.22] [Ref PL2.1.5] TONER CARTRIDGE (M) [Ref PL5.1.23] TONER CARTRIDGE (Y) [Ref PL5.1.24] HANDLE ASSY CST [Ref PL2.1.19] CASSETTE ASSY 250 [Ref PL2.1.1] MiS05101SA Epson AcuLaser C2900N 5 - 3 Confidential...
  • Page 513 KIT SHAFT LINK FRONT [Ref PL1.1.7] [Ref PL1.2.96] KIT SHAFT LINK FRONT FDR SA [Ref PL1.2.97] COVER SIDE R [Ref PL1.1.6] KIT SHAFT PIVOT [Ref PL1.2.98] COVER REAR [Ref PL1.1.3] COVER SIDE L [Ref PL1.1.19] MiS05102SA Epson AcuLaser C2900N 5 - 4 Confidential...
  • Page 514 [Ref PL8.1.1] [Ref PL8.2.16] PWBA MCU PWBA ESS SFP [Ref PL8.2.13] [Ref PL8.1.7] PWBA HVPS [Ref PL4.1.19] SENSOR HUM [Ref PL8.2.7] MEMORY CARD SWITCH ASSY INLET MG SFP [Ref PL8.1.15] [Ref PL8.2.9] MiS05103SA Epson AcuLaser C2900N 5 - 5 Confidential...
  • Page 515 KIT SOLENOID FEED SA SENSOR PHOTO: REGI [Ref PL3.1.99] [Ref PL3.2.13] HARN ASSY OPTION [Ref PL3.1.20] HARN ASSY L SIDE STOPPER CST [Ref PL3.1.18] [Ref PL3.1.10] FEEDER ASSY MG SFP DN [Ref PL3.1.98] MiS05104SA Epson AcuLaser C2900N 5 - 6 Confidential...
  • Page 516 SFP STD [Ref PL11.1.1] COVER CST [Ref PL1.1.5] PWBA DUP [Ref PL11.1.16] HOLDER ASSY RETARD [Ref PL12.5.5] ROLL ASSY FEED [Ref PL12.4.4] CASSETTE ASSY 250 OPT [Ref PL12.5.1] 250 OPTION FEEDER [Ref PL12.1.1] MiS05105SA Epson AcuLaser C2900N 5 - 7 Confidential...

  • Page 517: Engineering Parts List

    Chapter 5 Parts List Revision B Engineering parts list PL1.1 Cover (1/2) [Illustration] 1 (with 24) MiS05001SA Epson AcuLaser C2900N 5 - 8 Confidential...

  • Page 518: Pl1.1 Cover (1/2) [List]

    Revision B PL1.1 Cover (1/2) [List] Item Parts name COVER ASSY TOP (with 22-24) TRAY EXT MAIN COVER REAR COVER CST COVER SIDE R COVER ASSY WINDOW TNR COVER SIDE L GUIDE TRAY Epson AcuLaser C2900N 5 - 9 Confidential...

  • Page 519: Pl1.2 Cover (2/2) [Illustration]

    PL1.2 Cover (2/2) [Illustration] 1 (with 2,3,5,10,11,28,29) 5 (with 6-9) (P220) 29 (with 17-20,22) (J202) (P272) 20 17 (J5301) (J271) (with 12-18) (with 17 x 2pcs) (with 26 x 2pcs) 98 (with 23 x 2pcs) MiS05002SA Epson AcuLaser C2900N 5 - 10 Confidential...

  • Page 520: Pl1.2 Cover (2/2) [List]

    HOLDER ASSY FRONT L (with 17-20,22) COVER LINK FRONT KIT SHAFT LINK FRONT (with 17 x 2pcs) KIT SHAFT LINK FRONT FDR SA (with 26 x 2pcs) KIT SHAFT PIVOT (with 23 x 2pcs) Epson AcuLaser C2900N 5 - 11 Confidential...

  • Page 521: Pl2.1 Paper Cassette [Illustration]

    Chapter 5 Parts List Revision B PL2.1 Paper Cassette [Illustration] 1 (with 19,21) 21 (with 2-8,14-18) MiS05003SA Epson AcuLaser C2900N 5 - 12 Confidential...

  • Page 522: Pl2.1 Paper Cassette [List]

    GUIDE SIDE L GEAR PINION GUIDE SIDE ASSY R LATCH BOTTOM L LATCH BOTTOM R SPRING LATCH B TRAY ASSY EXTENSION HOUSING CASSETTE 250 HANDLE ASSY CST TRAY ASSY CST 250 (with 2-8,14-18) Epson AcuLaser C2900N 5 - 13 Confidential...

  • Page 523: Pl3.1 Paper Feeder (1/2) [Illustration]

    Revision B PL3.1 Paper Feeder (1/2) [Illustration] (J262) 97 (with 1,2) (J23) (J27) (J28) (J281) (P231) (P271) 19 (with 16,17) (P273) (J234) (J232) (J233) (J231) (with 11-17) [Ref PL3.2.1] 98 (with 4,5,8-15,18-20,25,27,31-33,PL3.2.1,PL8.2.7,PL9.1.6) MiS05004SA Epson AcuLaser C2900N 5 - 14 Confidential...

  • Page 524: Pl3.1 Paper Feeder (1/2) [List]

    PLATE EARTH FDR R PLATE TIE PLATE EARTH FDR ARRESTER ENE112D-10A PLATE EARTH CST KIT CLUTCH ASSY DRV (with 1,2) FEEDER ASSY MG SFP DN (with 4,5,8-15,18-20,25,27,31-33,PL3.2.1,PL8.2.7, PL9.1.6) KIT SOLENOID FEED SA (with 11-17) Epson AcuLaser C2900N 5 - 15 Confidential...

  • Page 525: Pl3.2 Paper Feeder (2/2) [Illustration]

    Chapter 5 Parts List Revision B PL3.2 Paper Feeder (2/2) [Illustration] 1 (with 2-16,20-33,36) 32 (with 17-19) (P232) REGI 14 15 SENSOR Tray NO PAPER SENSOR (P234) (P233) SSI NO PAPER SENSOR 27 (with 34,35) MiS05005SA Epson AcuLaser C2900N 5 - 16 Confidential...

  • Page 526: Pl3.2 Paper Feeder (2/2) [List]

    CHUTE ASSY LOW (with 34,35) BRACKET SNS SPRING REGI L MG BEARING M BEARING R ACTUATOR ASSY NO PAPER (with 17-19) PLATE WEIGHT CHUTE ASSY LOW SSI CHUTE LOW CST FILM CHUTE UP Epson AcuLaser C2900N 5 - 17 Confidential...

  • Page 527: Pl4.1 Xerographics [Illustration]

    Chapter 5 Parts List Revision B PL4.1 Xerographics [Illustration] 99 (with 1,2 x 2pcs w/screw) (J41) (J40) (J411) (J412) 98 (with 4,5,6 x 2pcs) (P141) (with 4,5,7 x 2pcs) (P161) MiS05006SA Epson AcuLaser C2900N 5 - 18 Confidential...

  • Page 528: Pl4.1 Xerographics [List]

    HARN ASSY ROS RE (J40-J411) HARN ASSY ROS VIDEO (J41-J412) KIT BLOCK PHD RIGHT (with 4,5,7 x 2pcs) KIT BLOCK PHD LEFT (with 4,5,6 x 2pcs) KIT ROS (with 1,2 x 2pcs w/screw) Epson AcuLaser C2900N 5 - 19 Confidential...

  • Page 529: Pl5.1 Dispenser [Illustration]

    PL5.1 Dispenser [Illustration] 1 (with 2,9-11,14-16,25-27) 2 (with 3-8) (P192) (J192) (P191) (J191) (P182) (J182) (P181) (J181) (J291) 11 (with 12,13) (J19) (J18) (P291) (J29) (J314) (P314) (J313) (P313) (J31) (J312) (P312) (J311) (P311) MiS05007SA Epson AcuLaser C2900N 5 - 20 Confidential...

  • Page 530: Pl5.1 Dispenser [List]

    HOLDER ASSY TCRU Y TONER CARTRIDGE (K) TONER CARTRIDGE (C) TONER CARTRIDGE (M) TONER CARTRIDGE (Y) HARN ASSY TNR MOT (J18,J19-J181,J182,J191,J192) HARN ASSY TONER CRUM (J31-J311,J312,J313,J314) HARN ASSY SIDE SW (J29-J291) LABEL HOLDER Epson AcuLaser C2900N 5 - 21 Confidential...

  • Page 531: Pl6.1 Transfer & Fuser Unit [Illustration]

    Chapter 5 Parts List Revision B PL6.1 Transfer & Fuser Unit [Illustration] (P171) (J171) (J17) (J47) ST10 99 (with 3-6) (P281) MiS05008SA Epson AcuLaser C2900N 5 - 22 Confidential...

  • Page 532: Pl6.1 Transfer & Fuser Unit [List]

    PL6.1 Transfer & Fuser Unit [List] Item Parts name FUSER UNIT HARNESS ASSY FUSING UNIT MG SFP (J17,47-P171) STOPPER PIVOT PIVOT TRANS L GEAR T4 SHAFT ASSY PIVOT TRANSFER ASSY COVER HARNESS KIT PIVOT (with 3-6) Epson AcuLaser C2900N 5 - 23 Confidential...

  • Page 533: Pl7.1 Drive [Illustration]

    Chapter 5 Parts List Revision B PL7.1 Drive [Illustration] (P221) (P211) COLOR MODE SWITCHING SENSOR (P261) (J24) MiS05009SA Epson AcuLaser C2900N 5 - 24 Confidential...

  • Page 534: Pl7.1 Drive [List]

    Chapter 5 Parts List Revision B PL7.1 Drive [List] Item Parts name DRIVE ASSY SUB DRIVE ASSY MAIN GEAR P2 DRIVE ASSY PH Epson AcuLaser C2900N 5 - 25 Confidential...

  • Page 535: Pl8.1 Electrical (1/2) [Illustration]

    Chapter 5 Parts List Revision B PL8.1 Electrical (1/2) [Illustration] (J503) 7 (with 8) (P101) (P111) (P401) (P403) MiS05010SA Epson AcuLaser C2900N 5 - 26 Confidential...

  • Page 536: Pl8.1 Electrical (1/2) [List]

    Revision B PL8.1 Electrical (1/2) [List] Item Parts name DUCT FAN SHIELD ASSY ESS FRAME ESS PLATE IF M PWBA ESS SFP (with 8) NVM ROM PLATE ESS SCREW KNURLING WASHER MEMORY CARD (OPTION) Epson AcuLaser C2900N 5 - 27 Confidential...

  • Page 537: Pl8.2 Electrical (2/2) [Illustration]

    (P47) (P40) (P48) *: Not in used. (P40) (P41) (P10) (P15) (P11) (P14) (P42) (P17) (P22) (P101)* (P21) (P31) (P24) (P19) (P26) (P18) (P23) (P29) (P28) (P16) (P27) (P20) (J48) (P144) (P201) MiS05011SA Epson AcuLaser C2900N 5 - 28 Confidential...

  • Page 538: Pl8.2 Electrical (2/2) [List]

    POWER CORD PWBA MCU EDGING SADDLE BRACKET MCU R PWBA EEPROM (XPRO) CLAMP BRACKET MCU L GUIDE HARNESS MCU CLAMP MST-10V0 COVER INLET GUIDE HARNESS FILM PLATE EARTH DRUM PLATE EARTH FSR ARRESTER ENE112D-10A Epson AcuLaser C2900N 5 - 29 Confidential...

  • Page 539: Pl9.1 Harness [Illustration]

    (P29) (P16) (P20) (P27) (J22) (J11) (J101) (J221) (J26) (J14) (J15) (J111) (J261) (J40) (P262) (J501) (P5041) (J504) (J502) (J16) (J141) (J401) (J42) (J161) (J20) (P422) (J403) (J21) (J144) (J201) (P5301) (J211) MiS05012SA Epson AcuLaser C2900N 5 - 30 Confidential...

  • Page 540: Pl9.1 Harness [List]

    HARNESS ASSY MAIN MOT MG SFP (J21-J211) HARNESS ASSY SUB MOT MG SFP (J22-J221) HARN ASSY KSNR REGCL (J26-J261,P262) HARN ASSY ESS POWER (J40-J401) HARN ASSY PHD XPRO (J42-J144,P422) HARNESS ASSY B (J403-P5301) Epson AcuLaser C2900N 5 - 31 Confidential...

  • Page 541: Pl11.1 Duplex (Option) (1/2) [Illustration]

    Chapter 5 Parts List Revision B PL11.1 Duplex (Option) (1/2) [Illustration] 1 (with 2-16,PL11.2) [Ref PL11.2] *: Not in used. (P602) (P603) (P604) (P601) (P605)* (J601) (J272) MiS05013SA Epson AcuLaser C2900N 5 - 32 Confidential...

  • Page 542: Pl11.1 Duplex (Option) (1/2) [List]

    SPRING LATCH DUP LATCH DUP FOLLOWER LATCH DUP HOLDER CHUTE DUP SPRING CHUTE DUP HOLDER HARNESS DUP COVER CONNECT DUP SPRING CONNECT DUP HOLDER CONNECT DUP HARNESS ASSY DUP (J272-J601) COVER PWBA DUP PWBA DUP Epson AcuLaser C2900N 5 - 33 Confidential...

  • Page 543: Pl11.2 Duplex (Option) (2/2) [Illustration]

    Chapter 5 Parts List Revision B PL11.2 Duplex (Option) (2/2) [Illustration] (J602) (J604) (J603) MiS05014SA Epson AcuLaser C2900N 5 - 34 Confidential...

  • Page 544: Pl11.2 Duplex (Option) (2/2) [List]

    PL11.2 Duplex (Option) (2/2) [List] Item Parts name COVER DRIVE EXIT DRIVE ASSY EXIT COVER DRIVE DUP DRIVE ASSY DUP GEAR ROLL DUP BEARING DUP PLATE EARTH PWBA ROLLER ASSY DUP CHUTE DUP FRAME Epson AcuLaser C2900N 5 - 35 Confidential...

  • Page 545: Pl12.1 250 Feeder (Option) (1/5) [Illustration]

    Chapter 5 Parts List Revision B PL12.1 250 Feeder (Option) (1/5) [Illustration] 1 (with 2,3,PL12.5.1) 3 (with 4-9,PL12.2-12.4) [Ref PL12.2] [Ref PL12.5.1] MiS05015SA Epson AcuLaser C2900N 5 - 36 Confidential...

  • Page 546: Pl12.1 250 Feeder (Option) (1/5) [List]

    Item Parts name 250 OPTION FEEDER (with 2,3,PL12.5.1) SCREW JOINT FEEDER ASSY OPT (with 4-9,PL12.2-12.4) COVER SIDE L OPT COVER CHUTE COVER REAR OPT COVER SIDE R OPT COVER FRONT OPT COVER CST Epson AcuLaser C2900N 5 - 37 Confidential...

  • Page 547: Pl12.2 250 Feeder (Option) (2/5) [Illustration]

    Revision B PL12.2 250 Feeder (Option) (2/5) [Illustration] (P419) (P420) (J422) (P422) (P421) (J420) (J4221) (J421) (J4212) (P4211) (J4202) (P4201) (P4221) 10 (with 11,12) (J4211) (J4201) 98 (with 16-18) 99 (with 21-27) MiS05016SA Epson AcuLaser C2900N 5 - 38 Confidential...

  • Page 548: Pl12.2 250 Feeder (Option) (2/5) [List]

    COVER HARNESS CL PLATE ASSY IDLER 2 GEAR IDLE 36Z GEAR IDLE 28-20Z GEAR IDLE 22-33Z GEAR IDLE 25Z PLATE SUPPORT KIT ASSY MOTOR OPT (with 16-18) KIT GEAR ASSY FDR SA (with 21-27) Epson AcuLaser C2900N 5 - 39 Confidential...

  • Page 549: Pl12.3 250 Feeder (Option) (3/5) [Illustration]

    Chapter 5 Parts List Revision B PL12.3 250 Feeder (Option) (3/5) [Illustration] (J273) (J419) [Ref PL12.4.1] MiS05017SA Epson AcuLaser C2900N 5 - 40 Confidential...

  • Page 550: Pl12.3 250 Feeder (Option) (3/5) [List]

    PLATE EARTH FRONT BOTTOM BRACKET SUP REGI BEARING REGI [Same as PL3.1.2] PLATE EARTH REAR BOTTOM PLATE EARTH REAR TOP COVER HARNESS DRAWER STOPPER CST [Same as PL3.1.10] BEARING [Same as PL3.1.9] HARNESS ASSY TRAY (J273-J419) Epson AcuLaser C2900N 5 - 41 Confidential...

  • Page 551: Pl12.4 250 Feeder (Option) (4/5) [Illustration]

    Chapter 5 Parts List Revision B PL12.4 250 Feeder (Option) (4/5) [Illustration] 1 (with 2-13,16,20-27,29-33) 32 (with 17-19) (P4202) PAPER PAHT SENSOR Tray2 NO PAPER SENSOR (P4212) MiS05018SA Epson AcuLaser C2900N 5 - 42 Confidential...

  • Page 552: Pl12.4 250 Feeder (Option) (4/5) [List]

    CHUTE UP [Same as PL3.2.26] CHUTE LOW SPRING REGI L M BEARING M [Same as PL3.2.30] BEARING R [Same as PL3.2.31] ACTUATOR ASSY NO PAPER (with 17-19) [Same as PL3.2.32] PLATE WEIGHT [Same as PL3.2.33] Epson AcuLaser C2900N 5 - 43 Confidential...

  • Page 553: Pl12.5 250 Feeder (Option) (5/5) [Illustration]

    Chapter 5 Parts List Revision B PL12.5 250 Feeder (Option) (5/5) [Illustration] 1 (with 19,21) 21 (with 2-8,14-18) MiS05019SA Epson AcuLaser C2900N 5 - 44 Confidential...

  • Page 554: Pl12.5 250 Feeder (Option) (5/5) [List]

    LATCH BOTTOM R [Same as PL2.1.15] SPRING LATCH B [Same as PL2.1.16] TRAY ASSY EXTENSION [Same as PL2.1.17] HOUSING CASSETTE 250 [Same as PL2.1.18] HANDLE ASSY CST OPT TRAY ASSY CST 250 (with 2-8,14-18) [Same as PL2.1.21] Epson AcuLaser C2900N 5 - 45 Confidential...

  • Page 555: Chapter 6 Principles Of Operation

    CHAPTER Principles of Operation Confidential...
  • Page 556 3.8 Drive..............................6 - 39 3.8.1 Major functions........................6 - 39 3.9 Electrical ............................6 - 42 3.9.1 Major functions........................6 - 42 3.9.2 Data Flow..........................6 - 44 3.10 Duplex............................6 - 45 3.10.1 Major functions........................6 - 45 Epson AcuLaser C2900N Confidential...
  • Page 557 6.2 DRIVE ASSY MAIN and DRIVE ASSY SUB DRIVE ..............6 - 58 6.3 TONER DISPENSER (Y, M, C, K)....................6 - 63 6.4 DRIVE ASSY SUB .......................... 6 - 65 6.5 DRIVE ASSY DUP.......................... 6 - 69 6.6 MOTOR ASSY SUB........................6 - 71 Epson AcuLaser C2900N Confidential...

  • Page 558: Printing Process

    Cleaning: ......Remaining toner on the drum is collected. Fusing:......Toner on the paper is fixed by heat and pressure. Cleaning: ......Remaining toner on the belt is collected. Drum Cartridge Transfer ASSY MiS06001SA Epson AcuLaser C2900N 6 - 1 Confidential...

  • Page 559: Schematic Diagram For Printing Processes

    1.2 Schematic Diagram for Printing Processes Outline of printing processes is shown in the figure below. Drum Cartridge Laser beam [(1)Charge] Paper transfer [(3)Development] [(4)Transfer] [(5)Cleaning] FUSER UNIT [(2)Exposure] [(6)Fusing] Transfer ASSY [(4)Transfer] [(7)Cleaning] MiS06002SA Epson AcuLaser C2900N 6 - 2 Confidential...
  • Page 560 The drum surface consists of a photoreceptor (which is an insulator in the dark and a conductor in the light) backed with a conductor. Cleaning Roll The Cleaning Roll contacts with the BCR to remove the toner from it. Wsb06003KA engine principle0006FA engine principle0005FA Epson AcuLaser C2900N 6 - 3 Confidential...

  • Page 561: Exposure

    : Laser beams (M) : Laser beams (Y) Mirror Mirror Mirror Drum (K) Lens Mirror Polygon Mirror Drum (C) Lens Mirror Drum (M) Mirror Lens Lens Drum (Y) Mirror Lens Mirror Mirror Wsb06004KA Epson AcuLaser C2900N 6 - 4 Confidential...
  • Page 562 The part on the surface where potential drops becomes the electrostatic latent image. Epson AcuLaser C2900N 6 - 5 Confidential...

  • Page 563: Development

    (electrostatic latent image) attract the toner to form an image on the drum. Once the toner is deposited on the drum, the potential and the toner-attracting force of the corresponding portion decreases because the increase of negative charge lowers the potential at that portion. Epson AcuLaser C2900N 6 - 6 Confidential...
  • Page 564 Chapter 6 Principles of Operation Revision B : Negative electric charge Toner Cartridge : Positive electric charge : Toner Agitator : Carrier Paddle Trimmer Rod Drum Auger Magnet Roll HVPS Auger Wsb06005KA engine principle0013FA engine principle0014FA Epson AcuLaser C2900N 6 - 7 Confidential...
  • Page 565 After being carried to the front side of the HOUSING ASSY AUGER, the toner is fed to the devel- oper via the port of the HOUSING ASSY AUGER. : Indicates the engagement of gears. 1)-1 Toner Cartridge Shutter 1)-2 Auger Dispense Motor MiS06003SA Epson AcuLaser C2900N 6 - 8 Confidential...

  • Page 566: Transfer (Drum To Paper)

    The Belt feeds the paper to the direction of Fuser Unit. Paper : Negative electric charge : Positive electric charge : Toner Drum (K) Drum (C) Drum surface Drum (M) Drum (Y) HVPS Transfer Belt Rio06114KA Epson AcuLaser C2900N 6 - 9 Confidential...
  • Page 567 Chapter 6 Principles of Operation Revision B Kmy06007KA Epson AcuLaser C2900N 6 - 10 Confidential...

  • Page 568: Cleaning (Drum)

    When the drum is charged by BCR, any excess charge hinders the drum surface from being uni- formly charged, which may lead to print quality problems. The excess charge on the surface of the drum is eliminated by irradiating the light of the Erase Lamp (LED ASSEMBLY). Wsb06008KA Epson AcuLaser C2900N 6 - 11 Confidential...

  • Page 569: Fusing

    The Belt friction-driven by the Heat Roll nips the print media against the Heat Roll using the pres- surizing mechanism it contains. Spring Nip Nip Head Paper Felt Belt Frame Belt Fixed toner Heat Roll Heater Lamp Sheet Not fixed toner Rio06009KA Epson AcuLaser C2900N 6 - 12 Confidential...

  • Page 570: Cleaning (Transfer Assy)

    (1) Toner on the BELT is scraped off by the Cleaner Blade that is in contact with the Drum. (2) The removed toner is dropped into the Cleaner BOX. Belt Blade Assy Transfer ASSY Cleaner BOX MiS06004SA Epson AcuLaser C2900N 6 - 13 Confidential...

  • Page 571: Waste Toner Collection

    (2) The toner is carried by the AUGER CLNG SIDE to the joint to the collection box in the toner car- tridge. (3) The toner then falls into the collection box in the toner cartridge. AUGER CLNG SIDE Collection Box Toner Cartridge Auger Cleaner Blade Wsb06006KA Epson AcuLaser C2900N 6 - 14 Confidential...

  • Page 572: Paper Path

    Motor drive / Heat Roll / Pressure Belt Exit Roll in the Fuser Unit Motor drive / Clutch / Exit Roll Duplex Module Top Cover Motor drive / Clutch / Dup Roll MiS06005SA Epson AcuLaser C2900N 6 - 15 Confidential...

  • Page 573: Layout Of Paper Path

    Retard roller [Tray 1] Turn roll (metal) [Feeder Assy Opt.] Turn roll (rubber) [Feeder Assy Opt.] Tray2 No Paper Sensor Retard roller Paper Path Sensor [Feeder Assy Opt.] [Tray 2] [Feeder Assy Opt.] MiS06006SA Epson AcuLaser C2900N 6 - 16 Confidential...

  • Page 574: Feeding From Paper Tray

    (PL3.1.11) to feed the sheets to the REGI ROLL (ROLL REGI METAL: PL3.2.10/ROLL ASSY REGI: PL3.2.9). ROLL ASSY FEED Retard Roller SPRING N/F R PLATE ASSY BOTTOM SPRING N/F L LATCH BOTTOM R LATCH BOTTOM L MiS06023SA Epson AcuLaser C2900N 6 - 17 Confidential...

  • Page 575: Multiple Sheet Feed Prevention

    The Retard Roller is being pushed toward the ROLL ASSY FEED by spring pressure, and controlled by the torque limiter (Clutch Assy Friction) with which it is coupled. ROLL ASSY FEED Retard Roller Clutch Assy Friction Retard Roller MiS06024SA Epson AcuLaser C2900N 6 - 18 Confidential...

  • Page 576: Feeding From Single Sheet Inserter (Ssi)

    DRIVE ASSY MAIN (PL7.1.2) under control of the CLUTCH ASSY DRV (PL3.1.1) to feed the sheet to the toner transfer section (TRANSFER ASSY: PL6.1.7). Paper REGI ROLL REGI ROLL CLUTCH ASSY DRV MiS06025SA Epson AcuLaser C2900N 6 - 19 Confidential...

  • Page 577: Feeding In Registration Section

    (TRANSFER ASSY: PL6.1.7). From Duplex REGI ROLL ROLL ASSY From Paper tray From SSI REGI ROLL REGI ROLL Paper REGI ROLL CLUTCH ASSY DRV MiS06026SA Epson AcuLaser C2900N 6 - 20 Confidential...

  • Page 578: Lead-Edge Registration

    REGI METAL: PL 3.2.10 / ROLL ASSY REGI: PL 3.2.9) that is locked, the lead edge of the sheet is reg- istered. ROLL REGI METAL ROLL ASSY REGI REGI ROLL Skewed Paper MiS06010KA Epson AcuLaser C2900N 6 - 21 Confidential...

  • Page 579: Transfer/Fusing/Exit

    ASSY EXIT that rotates in the exit direction by the torque from the DRIVE ASSY SUB. ROLL ASSY EXIT Pressure Belt Heat Roll Drum (K) Transfer ASSY Drum (C) Drum (M) Drum (Y) MiS06027SA Epson AcuLaser C2900N 6 - 22 Confidential...

  • Page 580: Feeding In Duplex Section

    After the printing on the side 2 is completed, the sheet exits in the same manner as it does after the printing on the side 1 is completed. ROLL ASSY EXIT CLUTCH ASSY EXIT ROLL ASSY EXIT CLUTCH ASSY EXIT ROLLER ASSY DUP DRIVE ASSY EXIT DRIVE ASSY DUP MiS06028SA Epson AcuLaser C2900N 6 - 23 Confidential...

  • Page 581: Functions Of Major Functional Components

    PLATE ASSY BOTTOM is locked to the bottom side when paper tray is pulled out from the paper feeder and unlocked when paper tray is installed to the paper feeder. Pushes the paper against the feed roll using a spring tension. Epson AcuLaser C2900N 6 - 24 Confidential...
  • Page 582 Chapter 6 Principles of Operation Revision B PLATE ASSY BOTTOM END GUIDE GUIDE SIDE ASSY R GUIDE SIDE L HOLDER ASSY RETARD (Retard Roller) MiS06031SA Epson AcuLaser C2900N 6 - 25 Confidential...

  • Page 583: Paper Feeder

    ACTUATOR NO PAPER (No Paper Position) Tray No Paper Sensor ACTUATOR NO PAPER MiS06032SA SOLENOID FEED MSI (PL3.1.11) Transmits the drive from the DRIVE ASSY MAIN to FEED ROLLER. (Refer to 6.4 DRIVE ASSY SUB) Epson AcuLaser C2900N 6 - 26 Confidential...
  • Page 584 When the SOLENOID FEED MSI operates, the ROLL ASSY FEED starts rotating and the ROLL ASSY FEED feeds the paper. (Refer to 6.4 DRIVE ASSY SUB) ROLL ASSY FEED DRIVE ASSY MAIN SOLENOID FEED MSI DRIVE ASSY PH SOLENOID FEED MSI ROLL ASSY FEED MiS06033SA Epson AcuLaser C2900N 6 - 27 Confidential...

  • Page 585: Ssi & Regi Assy

    The Rolls stop immediately when the Regi Sensor detects the presence of paper. SSI No Paper Sensor SSI No Paper Sensor ACTUATOR SSI Paper REGI ROLL REGI ROLL ACTUATOR SSI (No Paper Position) MiS06034SA Epson AcuLaser C2900N 6 - 28 Confidential...
  • Page 586 The duration for which the Regi Sensor is ON is converted into the paper length. Regi Sensor ACTUATOR REGI IN Normal Position From Paper tray ACTUATOR REGI IN Regi Sensor Regi Sensor ACTUATOR REGI IN (No Paper Position) PAPER MiS06035SA Epson AcuLaser C2900N 6 - 29 Confidential...
  • Page 587 To place the toner image at an appropriate position on the print medium, the timing of feeding from the Regi Assy is adjusted by the duration for which the CLUTCH ASSY DRV operates. ROLL ASSY REGI (Rubber) ROLL REGI METAL CLUTCH ASSY DRV MiS06036S A Epson AcuLaser C2900N 6 - 30 Confidential...

  • Page 588: Control Of Paper Size

    Regi Sensor Regi Sensor ACTUATOR REGI IN PAPER Detection of paper (Tail Edge) From SSI PAPER ACTUATOR ACTUATOR REGI ROLL REGI ROLL Regi Sensor PAPER Regi Sensor ACTUATOR REGI IN ACTUATOR REGI IN MiS06037SA Epson AcuLaser C2900N 6 - 31 Confidential...

  • Page 589: Transfer Belt & Fuser Unit

    • Heater Lamp • Roll Assy Exit • Thermostat • Exit Sensor • Temp. Sensor - EXIT SENSOR Detects passage of print after fixed based on the change of position of the actuator. Epson AcuLaser C2900N 6 - 32 Confidential...
  • Page 590 Rear view illustration Heat Roll Pressure BELT Exit Sensor Thermostat Temp. Sensor (Un-contacting type) Heater Lamp Temp. Sensor (Contacted type) Roll Assy Exit FUSER UNIT SENSOR ADC Blade Assy Transfer ASSY Belt MiS06038SA Epson AcuLaser C2900N 6 - 33 Confidential...

  • Page 591: Ros Assy

    The laser light reflected from the Polygon Mirror reaches the drum surface via the Lens, Mirror, and Window. The Lens corrects aberration, the Mirror secures an optical path, and the Window prevents foreign matters from entering the ROS. Epson AcuLaser C2900N 6 - 34 Confidential...
  • Page 592 Chapter 6 Principles of Operation Revision B Rear view illustration Mirror Polygon Mirror Scanner Assy Mirror LD PWB Lens Mirror SOS PWB SOS Sensor ROS ASSY Mirror Lens Window MiS06039SA Epson AcuLaser C2900N 6 - 35 Confidential...

  • Page 593: Toner Cartridge & Dispenser

    MOTOR ASSY DISP (C) CONNECTOR CRUM (K) MOTOR ASSY DISP (M) TONER CARTRIDGE (C) CONNECTOR CRUM (C) MOTOR ASSY DISP (Y) TONER CARTRIDGE (M) CONNECTOR CRUM (M) TONER CARTRIDGE (Y) CONNECTOR CRUM (Y) MiS06040SA Epson AcuLaser C2900N 6 - 36 Confidential...

  • Page 594: Drum Cartridge

    The light of the LED eliminates the charge on the drum. Erase Lens Drum LED ASSY ERASE Drum Cartridge Erase Lens Erase Lamp (K) Erase Lamp (C) Erase Lamp (M) Erase Lamp (Y) Drum (Y) Drum (M) Drum (C) Drum (K) MiS06023KA Epson AcuLaser C2900N 6 - 37 Confidential...
  • Page 595 Chapter 6 Principles of Operation Revision B Rear view illustration CRUM Developer (K) Developer (C) Developer (M) Developer (Y) Drum Cartridge Drum (K) Drum (C) Drum (M) Drum (Y) LED ASSY ERASE MiS06041SA Epson AcuLaser C2900N 6 - 38 Confidential...

  • Page 596: Drive

    • Drum Cartridge • DRUM (Y, M, C, K) DRIVE ASSY SUB Supplies the drive to parts as follows. • FUSER UNIT • DEVELOPER (YMCK) DRIVE ASSY MAIN DRIVE ASSY SUB DRIVE ASSY PH MiS06042SA Epson AcuLaser C2900N 6 - 39 Confidential...
  • Page 597 MAGNET ROLL (M) MAGNET ROLL (Y) DRIVE ASSY PH FLANGE D3 CAM C GEAR D3 OUT Drive to MAGNET ROLL (Y), (M), (C) Drive from Sub Motor GEAR D4 GEAR D2 GEAR D3 IN MiS06026KA Epson AcuLaser C2900N 6 - 40 Confidential...
  • Page 598 GEAR C MAGNET ROLL (K) COLOR MODE SWITCHING SOLENOID DRIVE ASSY PH FLANGE D3 CAM C GEAR D3 OUT Cutting of drive Drive from Sub Motor GEAR D4 GEAR D2 GEAR D3 IN MiS06027KA Epson AcuLaser C2900N 6 - 41 Confidential...

  • Page 599: Electrical

    OPERATOR PANEL displays the state of the printer using LED. INTERLOCK SWITCH (HARN ASSY INTERLOCK:PL8.2.5) INTERLOCK SWITCH is a switch that cuts the +24VDC power supply to the HVPS or Motor, etc. upon the opening of the Front Cover. Epson AcuLaser C2900N 6 - 42 Confidential...
  • Page 600 SIDE COVER SW is a switch that detects the right side cover open. OPERATOR PANEL SIDE COVER SWITCH INTERLOCK SWITCH Low Voltage Power Supply PWBA EEPROM Machine Control Unit MEMORY CARD High Voltage Power Supply HUMIDITY SENSOR SWITCH Electronic Sub System WIRELESS ADAPTER MiS06043S A Epson AcuLaser C2900N 6 - 43 Confidential...

  • Page 601: Data Flow

    Chapter 6 Principles of Operation Revision B 3.9.2 Data Flow Print data (electric signal) from the printer controller flows as shown below until it is turned into a print. Wsb06042KA Epson AcuLaser C2900N 6 - 44 Confidential...

  • Page 602: Duplex

    6.5 DRIVE ASSY DUP) PWBA DUP (PL11.1.16) The PWBA DUP controls motor and clutch. ROLLER ASSY DUP (Upper Roll) CLUTCH ASSY EXIT DRIVE ASSY EXIT DRIVE ASSY DUP PWBA DUP ROLLER ASSY DUP (Lower Roll) MiS06029KA Epson AcuLaser C2900N 6 - 45 Confidential...

  • Page 603: Chapter 6 Principles Of Operation Contents

    Pushes the paper against the feed roll using a spring tension. PLATE ASSY BOTTOM END GUIDE GUIDE SIDE ASSY R GUIDE SIDE L HOLDER ASSY RETARD (Retard Roller) MiS06044SA Epson AcuLaser C2900N 6 - 46 Confidential...

  • Page 604: Major Functions (Paper Feeder)

    MOTOR ASSY SUB (PL12.2.16) The MOTOR ASSY SUB is driving the rolls of the option feeder. (Refer to 6.6 MOTOR ASSY SUB) PWBA FEED H (PL12.2.1) The PWBA FEED H controls motor, sensor and clutch. Epson AcuLaser C2900N 6 - 47 Confidential...
  • Page 605 ROLL ASSY FEED SOLENOID FEED MSI PWBA FEED H MOTOR ASSY SUB TURN ROLL RUBBER (ROLL ASSY REGI) CLUTCH ASSY DRV TURN ROLL METAL (ROLL REGI METAL) SENSOR PHOTO (Paper Path Sensor) MiS06031KA Epson AcuLaser C2900N 6 - 48 Confidential...

  • Page 606: Operation Modes

    READY mode The printer is ready for printing. PRINTING mode The printer is under printing. Sleep mode (Energy star) The printer is under power saving. Deep sleep mode The printer is under power saving. Epson AcuLaser C2900N 6 - 49 Confidential...

  • Page 607: Control

    The ROS in this printer has four laser diodes for yellow, magenta, cyan, and black respectively, and the light quantity is automatically adjusted for each color. Epson AcuLaser C2900N 6 - 50 Confidential...

  • Page 608: Process Control

    3) The ADC Sensor (density sensor) detects the density of the patch on Belt. 4) The drum charging voltage, the developing DC voltage and the ROS light amount are adjusted for each color according to the detected patch density. Epson AcuLaser C2900N 6 - 51 Confidential...

  • Page 609: Toner Density Control

    Epson AcuLaser C2900N 6 - 52 Confidential...

  • Page 610: Color Registration Control

    4) The shift correction amount is calculated from the threshold value determined in 1) and the patch density measured in 3). 5) The ROS write timing is changed according to the shift correction amount. Epson AcuLaser C2900N 6 - 53 Confidential...

  • Page 611: Fuser Unit Control

    The Fuser Unit NCS (Non Contact Sensor) at the center of the Heat Roll will be lose its accuracy of detecting temperature when the temperature of the Sensor itself is below -5°C. Therefore, the Sensor will be warmed up when the temperature is below -5°C. This action is called Sensor Warm-up. Epson AcuLaser C2900N 6 - 54 Confidential...

  • Page 612: Drive Transmission Route

    [ DRUM (K) ] [ DRUM (C) ] [ DRUM (M) ] [ DRUM (Y) ] HSG ASSY XERO (K) HSG ASSY XERO (C) HSG ASSY XERO (M) HSG ASSY XERO (Y) Drum Cartridge MiS06032KA Epson AcuLaser C2900N 6 - 55 Confidential...
  • Page 613 GEAR REGI METAL [ ROLL ASSY REGI ] GEAR P4 GEAR P3 GEAR P5 CLUTCH ASSY [ ROLL REGI METAL ] FRONT [ ROLL ASSY FEED ] SOLENOID FEED MSI GEAR ASSY FEED MiS06033KA Epson AcuLaser C2900N 6 - 56 Confidential...
  • Page 614 [ DRUM (C) ] GEAR PHD 2 GEAR PHD 1 DRIVE ASSY MAIN [ BELT ] [ DRUM (M) ] GEAR PHD 2 [ DRUM (Y) ] GEAR DRV FRONT GEAR T4 MiS06034KA Epson AcuLaser C2900N 6 - 57 Confidential...

  • Page 615: Drive Assy Main And Drive Assy Sub Drive

    GEAR MAG (K) GEAR D3 IN COLOR MODE GEAR C SWITCHING SOLENOID CAM C [ MAGNET ROLL (K) ] GEAR D3 OUT FLANGE D3 HSG ASSY DEVE (K) Drum Cartridge DRIVE ASSY PH MiS06035KA Epson AcuLaser C2900N 6 - 58 Confidential...
  • Page 616 DRIVE ASSY MAIN GEAR D2 GEAR D3 OUT GEAR D3 IN FLANGE D3 CAM C GEAR P2 DRIVE ASSY PH GEAR P3 GEAR P4 COLOR MODE SWITCHING SOLENOID GEAR C GEAR P4-2 MiS06036KA Epson AcuLaser C2900N 6 - 59 Confidential...
  • Page 617 [ PADDLE DEVE ] GEAR AUGER [ AUGER FRONT ] GEAR AUGER [ AUGER REAR ] HSG ASSY XERO (Y, M, C, K) HSG ASSY DEVE (Y, M, C, K) Drum Cartridge MiS06037KA Epson AcuLaser C2900N 6 - 60 Confidential...
  • Page 618 HSG ASSY XERO [ AUGER ] GEAR AUGER SIDE GEAR AUGER CLNG GEAR IDLER AUGER SIDE [ DRUM ] GEAR PHD 2 GEAR PHD 1 DRIVE ASSY MAIN FRONT Drum Cartridge GEAR PHD 2 MiS06038KA Epson AcuLaser C2900N 6 - 61 Confidential...
  • Page 619 [ AUGER FRONT ] [ AUGER REAR ] GEAR IDLER PADDLE GEAR PADDLE HSG ASSY DEVE [ MAGNET ROLL ] GEAR MAG IDLR GEAR AUGER GEAR MAG GEAR AUGER FRONT Drum Cartridge DRIVE ASSY SUB MiS06039KA Epson AcuLaser C2900N 6 - 62 Confidential...

  • Page 620: Toner Dispenser (Y, M, C, K)

    GEAR AGITATOR (M) GEAR AGITATOR (Y) [ AGITATOR (K) ] [ AGITATOR (C) ] [ AGITATOR (M) ] [ AGITATOR (Y) ] TONER CARTRIDGE (K) TONER CARTRIDGE (C) TONER CARTRIDGE (M) TONER CARTRIDGE (Y) MiS06040KA Epson AcuLaser C2900N 6 - 63 Confidential...
  • Page 621 [ Name of moving parts ] : Indicates the engagement of gears. TONER CARTRIDGE [ AUGER ] [ AGITATOR ] GEAR IDLER AGI GEAR IDLER FRONT GEAR AGITATOR GEAR AUGER MOTOR ASSY DISP GEAR IDLER AUG MiS06041KA Epson AcuLaser C2900N 6 - 64 Confidential...

  • Page 622: Drive Assy Sub

    [ MAGNET ROLL (C) ] [ MAGNET ROLL (M) ] [ MAGNET ROLL (Y) ] HSG ASSY DEVE (K) HSG ASSY DEVE (C) HSG ASSY DEVE (M) HSG ASSY DEVE (Y) Drum Cartridge MiS06042KA Epson AcuLaser C2900N 6 - 65 Confidential...
  • Page 623 GEAR D5 [ MAGNET ROLL (M) ] DRIVE ASSY PH GEAR D4 GEAR MAG (Y) GEAR D5 [ MAGNET ROLL (Y) ] FRONT GEAR D3 OUT GEAR D4 GEAR D2 GEAR D3 IN MiS06043KA Epson AcuLaser C2900N 6 - 66 Confidential...
  • Page 624 GEAR EXIT GEAR IDLER DELAY GEAR IDLER DELAY [ ROLL ASSY EXIT ] GEAR IDLER DUP Fuser Unit GEAR OUTPUT DUP GEAR ODLER 16 GEAR E1 CLUTCH ASSY DUP FEEDER ASSY DUP MiS06044KA Epson AcuLaser C2900N 6 - 67 Confidential...
  • Page 625 GEAR EXIT GEAR CLUTCH OUT CLUTCH ASSY DUP GEAR IDLER DELAY GEAR IDLER EXIT [ HEAT ROLL ] GEAR HR GEAR OUTPUT DUP GEAR IDLER HR FEEDER ASSY DUP FRONT DRIVE ASSY SUB MiS06045KA Epson AcuLaser C2900N 6 - 68 Confidential...

  • Page 626: Drive Assy Dup

    GEAR ROLL DUP [ ROLLER ASSY DUP ] GEAR IDLER DUP GEAR IDLER DELAY GEAR IDLER DELAY GEAR CLUTCH OUT GEAR EXIT GEAR CLUTCH CONT [ ROLL ASSY EXIT ] Fuser Unit MiS06046KA Epson AcuLaser C2900N 6 - 69 Confidential...
  • Page 627 MOTOR ASSY EXIT GEAR ROLL DUP GEAR IDLER SN GEAR IDLER 18 GEAR IDLER SN MOTOR ASSY DUP GEAR D1 FRONT [ ROLLER ASSY DUP ] GEAR ROLL DUP FEEDER ASSY DUP MiS06047KA Epson AcuLaser C2900N 6 - 70 Confidential...

  • Page 628: Motor Assy Sub

    GEAR IDLE 22-33Z TURN CLUTCH (CLUTCH ASSY DRV) GEAR REGI RUBBER [ TURN ROLL RUBBER ] (ROLL ASSY REGI) GEAR REGI METAL [ TURN ROLL METAL ] (ROLL REGI METAL) 250 OPTION FEEDER MiS06048KA Epson AcuLaser C2900N 6 - 71 Confidential...
  • Page 629 [ TURN ROLL METAL ] GEAR IDLE 28-20Z GEAR IDLE 86-20Z FRONT TURN CLUTCH GEAR IDLE 22-33Z GEAR IDLE 25Z GEAR IDLE 40Z MOTOR ASSY SUB GEAR IDLE 25Z GEAR IDLE 36Z MiS06049KA Epson AcuLaser C2900N 6 - 72 Confidential...

  • Page 630: Chapter 7 Wiring Diagrams And Signal Information

    CHAPTER Wiring Diagrams and Signal Information Confidential...
  • Page 631 1.2 General Wiring Diagram ........................7 - 2 2. Interconnection Wiring Diagram of Parts..............7 - 3 2.1 Notes on Using the Wiring Diagram between Parts................7 - 3 2.2 Configuration of the Interconnection Wiring Diagram of Parts............7 - 5 Epson AcuLaser C2900N Confidential...

  • Page 632: Connection Wiring Diagram

    Represents a section in "2. Interconnection Wiring Diagram of Parts," and indicates its section No. Represents a screw for fixing wiring harness and a conductive member such as a plate spring. Represents a conductive member such as a plate spring. Epson AcuLaser C2900N 7 - 1 Confidential...

  • Page 633: General Wiring Diagram

    P/J26 P/J262 PL3.1.1 P/J601 P/J272 P/J27-B CLUTCH DUP PL11.2.2 P/J604 SOLENOID FEED P/J23 P/J231 PL3.1.11 P/J610 REGI SENSOR P/J232 PL3.2.13 SSI NO PAPER P/J233 SENSOR PL3.2.13 CST NO PAPER P/J234 SENSOR PL3.2.13 MOG07001SA Epson AcuLaser C2900N 7 - 2 Confidential...

  • Page 634: Interconnection Wiring Diagram Of Parts

    Denotes the function, and logic value of the signal when the func- tion operated (Low: L, High: H). The given voltage is for signal in high status. The arrow indicates the direction of signal. Epson AcuLaser C2900N 7 - 3 Confidential...
  • Page 635 Denotes a connection between wires. Denotes DC voltage when the interlock switch in HNB MCU WITH I/L +24VDC CPU turns on. +5VDC Denotes DC voltage. +3.3VDC Denotes signal ground. Denotes analog ground. Denotes the return. Epson AcuLaser C2900N 7 - 4 Confidential...

  • Page 636: Configuration Of The Interconnection Wiring Diagram Of Parts

    Connections of FUSER UNIT with PWBA LVPS. Connections of PWBA MCU with PWBA LVPS. § 9 CONTROLLER Connections of PWBA ESS with PWBA MCU. Connections of CONSOLE ASSY PANEL with PWBA ESS. Connections of PWBA LVPS with PWBA ESS. Epson AcuLaser C2900N 7 - 5 Confidential...
  • Page 637 § 11 DUPLEX Connections of PWBA DUP with PWBA MCU. Connections of PWBA DUP with MOTOR ASSY DUP-UP. Connections of PWBA DUP with MOTOR ASSY DUP-DN. Connections of PWBA DUP with CLUTCH DUP. Epson AcuLaser C2900N 7 - 6 Confidential...
  • Page 638 FAN ALARM I/L OPEN HARN ASSY LVPS MAIN MG SFP INTERLOCK PL9.1.3 +24VDC P/J502 P/J15 I/L +24VDC P/J503 PL8.1.1 FAN +24VDC FAN ALARM CONTROL SWITCH ASSY INLET MG SFP PL8.2.9 P/J48 LINE MOG07002KB Epson AcuLaser C2900N 7 - 7 Confidential...
  • Page 639 This circuit stops all outputs, if the power supply voltage 24VDC, 5VDC, or 3.3VDC exceeds the specified voltage respectively. At this time, the operating point is 36VDC or less for 24VDC, 7VDC or less for 5VDC and 3.3VDC. Epson AcuLaser C2900N 7 - 8 Confidential...
  • Page 640 PULL UP +3.3VDC CST NO PAPER SENSOR PAPER EMPTY SENSED (L) +3.3VDC PL3.2.13 HARN ASSY KSNR REGCL PL9.1.9 INTERLOCK P/J262 P/J26 +24VDC I/L +24VDC CLUTCH ASSY DRV REGI CL ON (L) +24VDC PL3.1.1 RIO07003KA Epson AcuLaser C2900N 7 - 9 Confidential...
  • Page 641 (SSI NO PAPER SENSOR) PAPER EMPTY SENSED Paper detect signal of the Paper Cassette by the Sensor Photo (L) +3.3VDC (CST NO PAPER SENSOR) REGI CL ON (L) +24VDC ON/OFF signal of the CLUTCH ASSY DRV Epson AcuLaser C2900N 7 - 10 Confidential...
  • Page 642 MAIN MOT LOW INTERLOCK +24VDC HARN ASSY SUB MOT MG SFP PL9.1.8 DRIVE ASSY SUB P/J22 P/J221 PL7.1.1 I/L +24VDC I/L +24VDC SUB MOTO ON SUB MOT ALARM SUB MOT CLK SUB MOT LOW MOG07004KB Epson AcuLaser C2900N 7 - 11 Confidential...
  • Page 643 Drive control signal of the DRIVE ASSY MAIN MAIN MOT CLK MAIN MOT LOW SUB MOT ON SUB MOT ALARM Drive control signal of the DRIVE ASSY SUB SUB MOT CLK SUB MOT LOW Epson AcuLaser C2900N 7 - 12 Confidential...
  • Page 644 V REF K +5VDC V REF C PWBA SOS V REF M V REF Y +3.3V LD from Xerography HARN ASSY ROS VIDEO PL4.1.23 P/J41 P/J412 DATA K DATA C DATA M DATA Y MOG07006KA Epson AcuLaser C2900N 7 - 13 Confidential...
  • Page 645 V REF Y LD ERR Error signal of the laser diode PCONT Power control signal of the laser diode DATA K DATA C Video signal of the laser diode DATA M DATA Y Epson AcuLaser C2900N 7 - 14 Confidential...
  • Page 646 ERASE Y/M/C ON (L) +3.3VDC PL4.1.8 ERASE K ON (L) +3.3VDC TRANSFER ASSY PL6.1.7 HARN ASSY L SIDE PL3.1.18 P/J28 P/J281 P/J2811 +5VDC ADC SENSOR LED REM ADC SENSOR ADC V MONI MOG07007KB Epson AcuLaser C2900N 7 - 15 Confidential...
  • Page 647 ERASE Y/M/C ON (L) +3.3VDC Toner patch density data measured by the ADC SENSOR ADC SENSOR (Analog value) LED REM Remote signal of the LED of ADC SENSOR ADC V MONI Control signal of the ADC SENSOR Epson AcuLaser C2900N 7 - 16 Confidential...
  • Page 648 HV DO HV LD TR-K DB-C HV CLK TR-C +3.0V REF DB-M TR-M MAIN CLK DB-Y TR-Y I/L +24V DRUM CARTRIDGE PL4.1.21 Developer BTR : Bias Transfer Roll BCR : Bias Charge Roll MOG07008KA Epson AcuLaser C2900N 7 - 17 Confidential...
  • Page 649 Chapter 7 Wiring Diagrams and Signal Information Revision B Signal line name Description TR MON HV DO HV LD Control signal of the HVPS HV CLK MAIN CLK Epson AcuLaser C2900N 7 - 18 Confidential...
  • Page 650 CLK M OUT CONNECTOR CRUM (M) +3.3VDC PL5.1.14 P/J313 DATA C IN CLK C OUT CONNECTOR CRUM (C) +3.3VDC PL5.1.14 P/J314 DATA K IN CLK K OUT CONNECTOR CRUM (K) +3.3VDC PL5.1.14 RIO07009KA Epson AcuLaser C2900N 7 - 19 Confidential...
  • Page 651 Control signal of the CONNECTOR CRUM (M) CLK M OUT DATA C IN Control signal of the CONNECTOR CRUM (C) CLK C OUT DATA K IN Control signal of the CONNECTOR CRUM (K) CLK K OUT Epson AcuLaser C2900N 7 - 20 Confidential...
  • Page 652 P/J47 xHEAT1 N HEAT1 P1712 FUSING UNIT ON LINE P1713 Thermostat P/J504 J5041 Used in production process only. HARN ASSY LVPS MAIN MG SFP 200V Spec. PL9.1.3 P/J171 N HEAT1 P/J47 LINE MOG07010SA Epson AcuLaser C2900N 7 - 21 Confidential...
  • Page 653 Paper detect signal of the FUSING UNIT Exit by the Sensor +3.3VDC Photo (EXIT SENSOR) FUSER UNIT ON Lighting signal of FUSER UNIT Lamp RELAY TEST LOW Test signal of the LVPS (Used in production process only) RELAY TEST HIGH Epson AcuLaser C2900N 7 - 22 Confidential...
  • Page 654 HARN ASSY ESS POWER PL9.1.10 +5VDC P/J401 P/J40 +3.3VDC +5VDC +3.3VDC +3.3VDC HARNESS ASSY B HARNESS ASSY PNL A CONSOLE ASSY PANEL PL9.1.12 PL1.2.12 PL1.2.3 P/J29 P/J5301 P/J202 +5VDC UI-RESET +5VDC +3.3VDC WKUPL SPEAKER +5VDC MOG07011KB Epson AcuLaser C2900N 7 - 23 Confidential...
  • Page 655 Y, M, C and K VSYNC Y HSYNC Signal for data DATA K DATA C Video data of four colors DATA M DATA Y UI-RESET WKUPL Control signal of the CONSOLE ASSY SPEAKER Epson AcuLaser C2900N 7 - 24 Confidential...
  • Page 656 PL12.2.16 PL12.2.2 P/J422 P/J4221 *CN2 * The CN1 and CN2 are FEED MOT ON/OFF printed on the board. FEED MOT ALARM FEED MOT CLK FEED MOT CHANGE INTERLOCK *CN1 +24VDC I/L +24VDC MOG07012KB Epson AcuLaser C2900N 7 - 25 Confidential...
  • Page 657 Paper detect signal of the Feeder by the Sensor Photo +3.3VDC (NO PAPER SENSOR) FEED MOT ON/OFF FEED MOT ALARM Drive control signal of the FEED MOTOR FEED MOT CLK FEED MOT CHANGE Epson AcuLaser C2900N 7 - 26 Confidential...
  • Page 658 DUP UP_A DUP UP_XA DUP UP_B DUP UP_XB DRIVE ASSY PL11.2.5 P/J603 DUP DOWN_A DUP DOWN_XA DUP DOWN_B DUP DOWN_XB INTERLOCK +24VDC P/J604 I/L +24VDC CLUTCH DUP DUP CL ON (L) +24VDC PL11.2.2 MOG07013KA Epson AcuLaser C2900N 7 - 27 Confidential...
  • Page 659 Drive control signal of the DUP MOTOR DOWN DUP DOWN_B DUP DOWN_XB DUP CL ON (L) +24VDC ON/OFF signal of the DUP CLUTCH FAN +24VDC Drive control signal of the DUP FAN FAN ALARM Epson AcuLaser C2900N 7 - 28 Confidential...

  • Page 660: Chapter 8 Product Specifications

    CHAPTER Product Specifications Confidential...
  • Page 661 1.2.4 Envelope Orientation ........................ 8 - 8 1.2.5 Paper Eject Capacity ........................ 8 - 8 1.3 Replacement Parts ........................... 8 - 9 1.4 Controller Specifications ......................... 8 - 10 2. Appendix ........................8 - 11 2.1 Sheets............................. 8 - 11 Epson AcuLaser C2900N Confidential...

  • Page 662: Product Specifications

    164 - 216g/m Lightweight Glossy Cardstock (LW Gloss Card) Low Speed Low Speed Heavyweight Glossy Cardstock (HW Gloss Card) Low Speed Low Speed Labels Low Speed Low Speed Envelope Low Speed Low Speed Epson AcuLaser C2900N 8 - 1 Confidential...

  • Page 663: Optional Unit

    250-Sheet Paper A4, B5, A5, LT, LGL (14’), Executive, Folio (13’), User Cassette Unit Supported paper size defined Duplex Unit Supported paper size A4, LT, LGL (14’), Folio (13’) 250MB Additional Memory 250MB Epson AcuLaser C2900N 8 - 2 Confidential...

  • Page 664: External View And Part Names

    Output Tray Extension Fuser Unit Drum Cartridge Belt Unit Optional Duplex Unit Toner Cartridge <Rear View> Fig. Name Fig. Name USB Port Ethernet Port Power Switch Power Connector Security Slot Control Board Cover Epson AcuLaser C2900N 8 - 3 Confidential...

  • Page 665: Dimensions And Weight

    Main unit + 250-Sheet Paper Cassette Unit 403.5mm 469.4mm 522.1mm 22.8kg Main unit + Duplex Unit + 250-Sheet Paper Cassette Unit 403.5mm 469.4mm 522.1mm 24.0kg Duplex Unit 326.5mm 313.2mm 153.5mm 1.2kg 250-Sheet Paper Cassette Unit 400.0mm 457.0mm 107.0mm 4.4kg Epson AcuLaser C2900N 8 - 4 Confidential...

  • Page 666: Installation Space Requirements

    The following figure shows the dimensions of the space required around the printer. Be sure to provide the space for installation, operation, and maintenance. 100 mm 750 mm 250 mm 600 mm 457 mm 50 mm 200 mm 616 mm 600 mm 457 mm 50 mm Epson AcuLaser C2900N 8 - 5 Confidential...

  • Page 667: Paper Specifications

    Paper that deteriorates or discolors at 175 °C or lower • When using illustrated postcards, paper feed rollers may be soiled with paper dust and these cards may not be fed properly. In this case, clean the rollers. Epson AcuLaser C2900N 8 - 6 Confidential...

  • Page 668: Printable Area

    Chapter 8 Product Specifications Revision B 1.2.3 Printable Area <Maximum guaranteed print area> W207.7mm x L347.4mm Area excluding 4.1mm margins on all edges. 4.1mm 4.1mm 4.1mm 4.1mm Epson AcuLaser C2900N 8 - 7 Confidential...

  • Page 669: Envelope Orientation

    • If the envelopes to print are puffed up, press them flat before loading them. • Make sure to use envelopes just unpacked for printing. 1.2.5 Paper Eject Capacity Face down 150 sheets *Calculated on RX80 (80g/m Epson AcuLaser C2900N 8 - 8 Confidential...

  • Page 670: Replacement Parts

    093-424 093-931 Consumables Toner cartridge Y 2,500 pages 093-423 093-930 Continuous printing 36,000 pages Photoconductor unit 091-402 091-972 2P/J 20,000 pages Periodic replacement parts Fuser unit + Feed roller unit 50,000 pages 010-421 010-351 Epson AcuLaser C2900N 8 - 9 Confidential...

  • Page 671: Controller Specifications

    Chapter 8 Product Specifications Revision B 1.4 Controller Specifications Item Specifications 400MHz Standard: 256MB Maximum: 768MB USB Device2.0HS Interface Ethernet 10Base-T/100Base-TX/1000Base-TX Date and Time Clock (RTC) Supported Epson AcuLaser C2900N 8 - 10 Confidential...

  • Page 672: Appendix

    Chapter 8 Product Specifications Revision B 2. Appendix 2.1 Sheets <Printer Settings> Epson AcuLaser C2900N 8 - 11 Confidential...
  • Page 673 Chapter 8 Product Specifications Revision B <Panel Settings> Epson AcuLaser C2900N 8 - 12 Confidential...
  • Page 674 Chapter 8 Product Specifications Revision B Epson AcuLaser C2900N 8 - 13 Confidential...
  • Page 675 Chapter 8 Product Specifications Revision B <PCL Fonts List> Epson AcuLaser C2900N 8 - 14 Confidential...
  • Page 676 Chapter 8 Product Specifications Revision B <PCL Macros List> Epson AcuLaser C2900N 8 - 15 Confidential...
  • Page 677 Chapter 8 Product Specifications Revision B <PS Fonts List> Epson AcuLaser C2900N 8 - 16 Confidential...
  • Page 678 Chapter 8 Product Specifications Revision B <Job History Report> Epson AcuLaser C2900N 8 - 17 Confidential...
  • Page 679 Chapter 8 Product Specifications Revision B <Error History Report> Epson AcuLaser C2900N 8 - 18 Confidential...
  • Page 680 Chapter 8 Product Specifications Revision B <Print Volume Report> Epson AcuLaser C2900N 8 - 19 Confidential...
  • Page 681 Chapter 8 Product Specifications Revision B <Color Regi Chart> Epson AcuLaser C2900N 8 - 20 Confidential...

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