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Hakuba b 6100 User Manual

26ppm laser printer
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Table of Contents

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HAKUBA
26PPM Laser Printer
Base Engine Technical Manual
Version 1.0

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Summary of Contents for Hakuba b 6100

  • Page 1 HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1.0...
  • Page 2 NOTICE The information in this guide is subject to change without notice. XEROX INTERNATIONAL PARTNERS SHALL NOT BE LIABLE FOR TECHNICAL OR EDITO- RIAL ERRORS OR OMISSIONS CONTAINED HEREIN; NOR FOR INCIDENTAL OR CONSE- QUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.
  • Page 3 FEDERAL COMMUNICATIONS COMMISSION NOTICE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protec- tion against harmful interference in a commercial installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction, may cause harmful interference to radio communications.
  • Page 4 CANADIAN NOTICE This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio interference regulations of the Canadian Department of Commu- nications. AVIS CANADIEN Cet appareil numerique est conforme aux limites émission de bruits radioélectriques pour les appareils de classe B stipulés das le réglement sur le brouillage radioéletrique du Ministére des Communcations du Canada.
  • Page 5 CLASS 1 LASER PRODUCT This Laser Printer is certified to comply with laser product performance standards set by the U.S. Department of Health and Human Services as a Class 1 laser product. This means that this is a class of laser product that does not emit hazardous laser radiation; this is possible only because the laser beam is totally enclosed during all modes of customer operation.
  • Page 6 Unpacking the Base Engine Be sure to carry the Base Engine by two or more persons taking care to hold it hori- zontally. Be sure to take great care for persons not to hurt when carrying it. Open the package and check the Base Engine for damage in transit. Remove the Holder BTR from the Base Machine after unpacking procedure of Base Engine.
  • Page 7 ........... OCT-1 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...
  • Page 8 Blank Page viii HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 9 Introduction This manual contains technical and service information for the HAKUBA 26ppm (page per minute) Laser Printer. The information is based on and validated using the basic model printer. Expect some minor dis- crepancies in physical appearance, hardware count, and electrical readings due to engineering modifica- tions and manufacturing changes during the life of the product.

  • Page 10: About This Manual

    Additional documentation for HAKUBA • User Manual The manual that describes how to operate and maintain the HAKUBA 26ppm Laser Printer • Performance Data The FX internal OEM document that provides detailed HAKUBA 26ppm performance information •...

  • Page 11: Safety Information

    Safety information Follow these safety instructions to prevent accidents while servicing the HAKUBA 26ppm Laser Printer. Always be aware of the potential dangers that are present when you are working with electrical or mechan- ical equipment. Power supply and electrical components Before starting any service procedure, switch off the printer power and unplug the power cord from the wall outlet.
  • Page 12 • Use caution when you are working around the ROS Assy or if you are performing laser related repair procedures. • The HAKUBA 26ppm Laser Printer is equipped with two safety switches; the Switch Assy I/L Front (the switch that breaks the 24V circuit when the Cover Assy Front opens) and the Switch Assy I/L Rear (the switch that breaks the 3.3V circuit for the Motor Assy Exit when the Cover Rear opens).
  • Page 13 ............1-4 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...

  • Page 14: Service Flowchart

    First identify the following phenomena when any problems occur. E Occurrence of Error/Status Code E Problem of image quality E Problem of printer performance Go to the section corresponding to the problem. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 15: Identify The Problem

    12. If the CRU appears excessively dirty or obviously damaged, replace it with a new one. 13. When you have finished cleaning the printer, go to the next block that is listed in the Service Flowchart. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 16: Final Checkout

    During the print cycle there are no unusual noises or smells coming from the printer. 6. The call is completed. Clean up your work area, and return the printer to the customer. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 17 ............. . 2-4 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...

  • Page 18: The Fip Flowchart

    Appendices D and E contain information on signal names and test point locations. 6. FIPs often ask you to replace a printer component. Section 9 Removal/Replacement provides you detailed procedures for removing and replacing all major parts of the Asama printer. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version1.0...

  • Page 19: General Notes On Using Fips

    11. When a FIP instructs you to replace a component, and that component is part of a larger assembly, you should replace the entire assembly. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 20: Fip Flowchart

    Fault Isolation Procedures FIP Flowchart HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version1.0...

  • Page 21: Table Of Contents

    3.21 SERVICE ERRORS ............3-38 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...

  • Page 22: Primary Fips:error Codes

    11. Is the printer sitting on a level and stable surface? 12. Is recommended paper stock being used in the printer? 13. Does the customer use the printer as instructed in the HAKUBA User Manual? 14. Are consumables, such as the CRU, replaced at recommended intervals? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 23 U6:NVM FAIL ------------- 2. A write error occurred when you tried to write to Switch OFF Main Power. NVRAM. Switch ON Main Power. 3. The overflow of the Task Table. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 24 ON or when the Cover E3-2:REG Assy Front is close. Open the Cover Assy Front. Remove the jammed paper. Close the Cover Assy Front. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 25 Tray 1 is not installed or installed not in the posi- Motor Assy Main, Laser Scanner, and tion. Fuser Assy controls stop immediately. ------------- C3:TRAY1 OUT INSTALL TRAY Reinstall Tray 1 completely. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 26 PAPER SIZE In Duplex mode: The size of the paper loaded in ERROR the cassette is not supported in Duplex Mode. Rewrite the NVRAM using ADJUST- MENT MODE MENU. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 27 The Fuser Assy is nearing end of life and better to Displays warning message. be replaced soon. ------------- FUSER UNIT NEED TO Replace the Fuser Assy. REPLACE READY TO PRINT HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 28: U1:Motor Fail

    <=> P/J281-5 and P/J281-3 <=> P/J281-6 on the PWBA LVPS (RRP10.1.7). (RRP10.1.7). Is there +24VDC between the each P/J281-1 <=> P/J281-4, P/J281-2 <=> P/J281-5 and P/J281-3 <=> P/J281-6 on the PWBA HKB26 MCU? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 29: U2:Ros Fail

    (+3.3 VDC). 2. Close the Cover Assy Front (PL1.1.9). 3. Switch ON Main Power. 4. Check the voltage between P21-5 and P21-6. Is there +5 VDC between P21-5 and P21-6? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 30: U4:Fuser Fail

    HEAT ROD ANALYSIS Go to step 6. Go to 6.4 Heat Rod Let the Heat Rod cool down. Failure. Does the Heat Rod glow when power is switched ON? 3-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 31 Is there 0VDC between P/J 28-12 and P/J 28-8 on the (+3.3 VDC). (RRP10.1.7). PWBA HKB26 MCU during Power–ON sequence, and does the voltage rise to +3.3VDC when the sequence finishes? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-11 Version 1.0...

  • Page 32: U5:Fan Assy Fail

    Check the voltage between P/J28-13 and P/J28-8 on the Fan Assy PWBA HKB26 PWBA HKB26 MCU (PL10.1.13) while the U5 code is dis- (RRP9.1.2). played. (RRP10.1.7). Is there +3.3VDC between P/J28-13 and P/J28-8? 3-12 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 33: U6:Nvm Fail

    1. Enter correct parameters. PWBA HKB26 solved. Return to Ser- 2. Switch OFF Main Power. (RRP10.1.7). vice Flow- chart. 3. Switch ON Main Power. Does U6 still appear? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-13 Version 1.0...

  • Page 34: E5:Close Top/Rear Cover

    Replace the Cover Rear PWBA HKB26 Check the voltage between P/J30-2 and P/J30-1. (PL1.2.5). Is there +24VDC between P/J30-2 and P/J30-1 with the (RRP10.1.7). Cover Rear (PL1.2.5) closed? 3-14 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 35: E4-2:Exit Jam

    Open the Cover Rear (PL1.2.5) and cheat the interlock switch. Fuser Assy (RRP6.1.3). Generate a test print to check the Decurl Roll. Does the paper pass through the Decurl Roll without prob- lems? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-15 Version 1.0...
  • Page 36 MOTOR ASSY EXIT (PL7.1.21) ANALYSIS Replace the Replace the Motor Assy PWBA HKB26 Check the voltage between P/J32-1 and frame ground. Exit Is there +24VDC between P/J32-1 and frame ground? (RRP7.1.7). (RRP10.1.7). 3-16 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 37 Open and close the Cover Rear (PL1.2.5). Does the Switch Assy I/L Rear function correctly and increment the Sensor Check number on the screen each time you actuate it? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-17 Version 1.0...

  • Page 38: E4-3:Exit Jam

    Open the Cover Rear (PL1.2.5) and cheat the interlock switch. Fuser Assy (RRP6.1.3). Generate a test print to check the Decurl Roll. Does the paper pass through the Decurl Roll without prob- lems? 3-18 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 39 2. Open and close the Cover Rear (PL1.2.5). Does the Switch Assy I/L Rear function correctly and increment the Sensor Check number on the screen each time you actuate it? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-19 Version 1.0...

  • Page 40: E3-1:Reg Jam

    4. Actuate the Switch Assy I/L Front (PL10.1.12). Do the transmission gears rotate correctly against those of the Roll Assy Turn (PL3.1.1), the Feeder Assy (PL3.1.19), Clutch Regi (PL5.1.19)? 3-20 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 41 2. Check the continuity between P231-7 <=> P41-3, P231-6 <=> P41-5 and P231-10 <=> P43-4. Is there the continuity between J231-7 <=> J41-3, J231-6 <=> J41-5 and J231-10 <=> J43-4? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-21 Version 1.0...
  • Page 42 PWBA HKB26 Fuser Assy CHECK. (RRP6.1.3). (RRP10.1.7). Does the Sensor Exit function correctly and increment the Sensor Check number on the screen each time you actu- ate it? 3-22 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 43: E3-2:Reg Jam

    2. Check the continuity between J43-3 <=> J432-3, J43-4 <=> J432-2 and J43-5 <=> J432-1. Is there the continuity between J43-3 <=> J423-3, J43-4 <=> J432-2 and J43-5 <=> J432-1? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-23 Version 1.0...
  • Page 44 2. Check the continuity between P231-7 <=> P41-3, P231-6 <=> P41-5 and P231-10 <=> P43-4. Is there the continuity between J231-7 <=> J41-3, J231-6 <=> J41-5 and J231-10 <=> J43-4? 3-24 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 45: E2-0:Early Feed Jam

    2. Actuate the Switch Assy I/L Front (PL10.1.12). (PL2.2.7). 3. Observe the paper feed from the Feeder Assy using MAIN MOTOR TEST. Is only one sheet of paper fed from the Feeder Assy? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-25 Version 1.0...
  • Page 46 PWBA HKB26 Sensor Regi. Photo:Regi (RRP10.1.7). Failure. Does the Sensor Photo:Regi function correctly and incre- ment the Sensor Check number on the screen each time you actuate it? 3-26 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 47: E2-1:Misfeed Jam

    • Harness Assy Conn (J23-J231) (PL10.1.10) Is the paper that is loaded in the paper tray wrinkled or Replace with Go to step 3. damaged? fresh, dry paper. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-27 Version 1.0...
  • Page 48 N/P (PL3.1.6). 2. Reinstall the Cassette Assy and execute test print. Is the Plate Assy Bottom lifted up by the Motor Assy and a sheet of paper fed normally? 3-28 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 49 CLUTCH ASSY TURN (PL3.1.2) ANALYSIS Replace the Replace the PWBA Feeder Clutch Assy Check the continuity between P/J641-4 and P/J641-1. (PL3.1.2) Turn (PL3.1.2) Is there the continuity between P/J641-4 and P/J641-1? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-29 Version 1.0...

  • Page 50: C5:Add Paper To Tray 1/2/3

    Check the function of the Sensor Photo:No Pap1 using SEN- (RRP10.1.7). SOR/SWITCH CHECK. Does the Sensor Photo:No Pap 1 function correctly and increment the Sensor Check number on the screen each time you actuate it? 3-30 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 51: C5:Illegal Size

    Remove the Cassette Assy (PL2.1.1). Inspect the combination Assy. of the Actuator CST. (RRP10.1.7). Does the combination of the Actuator CST show the cor- rect combination for the paper size present in the cas- sette? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-31 Version 1.0...

  • Page 52: C3:Tray 1/2/3 Out Install Tray

    2. Check the continuity between J67-5 <=> J671-1, J67-3 <=> (RRP10.1.7). (PL3.1.39). J671-4, and J67-1 <=> J671-7. Is there the continuity between J67-5 <=> J671-1, J67-3 <=> J671-4, and J67-1 <=> J671-7? 3-32 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 53: J5:Low Toner Need To Replace Please Wait

    2. Check the continuity between J23-8 <=> J231-9, J23-6 <=> J231-11, and J23-5 <=> J231-12. Is there the continuity between J23-8 <=> J231-9, J23-6 <=> J231-11, and J23-5 <=> J231-12? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-33 Version 1.0...

  • Page 54: J3:Ep Cartridge Not In Position

    CRU SNS. (RRP10.1.7). 2. Check the continuity between J25-1 <=> J251-4, and J25-2 <=> J251-3. Is there the continuity between J25-1 <=> J251-4, and J25- 2 <=> J251-3? 3-34 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 55: P1:Fuser Pause

    Are they compatible with your printer version, correctly installed, not damaged, deformed, or contaminated? Turn the Main Power OFF and ON. Replace the Problem is PWBA HKB26 solved. Does the P1 error still appear? (RRP10.1.7). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-35 Version 1.0...

  • Page 56: Paper Size Error

    Use SENSOR/SWITCH CHECK to check the Sensor PWBA HKB26 Sensor Photo Photo:Regi. Regi Failure (RRP10.1.7). Does the Sensor Photo:Regi function correctly and incre- ment the displayed SENSOR CHECK number each time you actuate it? 3-36 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 57: Fuser Unit Need To Replace Please Wait

    Problem is solved. Does the message still appear? Turns the Main Power OFF and ON. Replace the Problem is PWBA HKB26 solved. Does the message still appear? (RRP10.1.7) HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 3-37 Version 1.0...

  • Page 58: Service Errors

    Go to step 3. Escalate the problem to the Switch the printer power on. The printer displays ready. proper level. Be sure to pass on all recorded info- mation. 3-38 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 59 4.3 Inoperative Drive Components..........4-8 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...

  • Page 60: Primary Fips:printer Performance Problems

    11. Is the printer sitting on a level and stable surface? 12. Is recommended paper stock being used in the printer? 13. Does the customer use the printer as instructed in the HAKUBA User Manual? 14. Are consumables, such as the CRU, replaced at recommended intervals? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 61 The FIP Flowchart should have directed you to this section. Start at your problem box, then follow the arrow leading to the individual FIP that corresponds to that problem. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 62: Inoperative Printer

    Is there +3.3VDC between J28-10 and J28-8? Is there+5VDC between J28-7 and J28-8? Is there +24VDC between J28-1 and J28-8? Is there +24VDC between J28–2 and J28-8? Is there +24VDC between J28-1 and J28-8? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 63 MOTOR ASSY MAIN (PL8.1.14) ANALYSIS Replace the Go to step 13 Motor Assy Disconnect P/J 29 from the PWB HKB MCU. Main (RRP8.1.4) Switch ON Main Power. Does the Fan function normally? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 64 ROS ASSY (PL8.1.9) ANALYSIS Replace the Replace the ROS Assy PWBA HKB26 Unplug P/J21 from the PWBA HKB26 MCU. (RRP8.1.2) Switch ON Main Power (RRP10.1.7) Does the Fan function normally? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 65: Erratic Operation

    Does the printer RESET while it is making a test print? Go to 6.22 Go to step 5 Electrical Noise Install a new PWBA HKB26 MCU. Replace the Problem PWB ESS solved (RRP10.1.1) Does erratic operation still occur? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 66: Inoperative Drive Components

    Go to 7.16 PWBA HKB26 Drive Compo- Use MAIN MOTOR TEST to check the Motor Assy Main func- nents Failure tion. (RRP10.1.7) Does the Motor Assy Main function correctly? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 67 Primary FIPs:Printer Perfomance Problems Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 68 Primary FIPs:Printer Perfomance Problems 4-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 69 5.16 Misregistered Image ............5-23 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...
  • Page 70 Primary FIPs:Image Quality Problems Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 71: Image Quality Problems

    11. Is the printer sitting on a level and stable surface? 12. Is recommended paper stock being used in the printer? 13. Does the customer use the printer as instructed in the HAKUBA User Manual? 14. Are consumables, such as the CRU, replaced at recommended intervals? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 72 If the problem still persists, we recommend you replace each component listed in Initial Analysis of the problem FIP, one by one, until you solve the prob- lem. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 73: Light (Undertoned) Prints

    Is the laser beam path free of obstacles? BTR ASSY Go to step 5 Replace the BTR Assy Inspect the BTR Assy for contamination. Is the BTR free of contamination? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 74 Remove the CRU and inspect the toner image on the drum. Was the image on the drum transferred completely to the paper? CRU FAILURE Problem Return to Ini- solved tial Analysis Install a new CRU. Is the problem solved? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 75: Blank Prints

    Generate a test print and switch OFF printer power halfway Failure through the print cycle. Remove the CRU and inspect the image on the drum. Was the image on the drum transferred to the paper? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 76 Primary FIPs:Image Quality Problems 5.2 Blank Prints continued Step Actions and Questions CRU FAILURE Problem Return to Ini- solved tial Analysis Install a new CRU. Is the problem solved? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 77: Black Prints

    Generate a test print. Is the problem still present only on the uncovered half? CRU FAILURE Problem Return to Ini- solved tial Analysis Install a new CRU. Is the problem solved? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 78: Vertical Band Deletions

    Inspect the BTR Assy for contamination. Is the BTR free of contamination? CRU FAILURE Problem Return to Ini- solved tial Analysis Install a new CRU. Is the problem solved? 5-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 79: Vertical Linear Deletions

    Inspect the paper path, between feed and exit, for contamina- or contamina- tion or obstructions. tion from the Is the paper path free of obstructions? paper path. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 5-11 Version 1.0...

  • Page 80: Horizontal Band Deletions

    Remove the CRU and inspect the toner image on the drum. Was the image on the drum transferred completely to the paper? Table continued 5-12 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 81 104 mm? PRESSURE ROLL DAMAGE Clean or Return to Ini- replace the tial Analysis Pressure Roll Do the band deletions occur at intervals of approximately Assy 94 mm? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 5-13 Version 1.0...

  • Page 82: Vertical Streaks

    Replace the CRU with a new one. Is the problem solved? HEAT ROLL DAMAGE Replace the Return to Ini- Heat Roll tial Analysis Do the streaks occur at intervals of approximately 104 5-14 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 83: Horizontal Streaks

    Inspect the Heat Roll for scratches, objects, or contamination. Is the Heat Roll free of scratches and contamination? NOISE Go to 6.20 Electrical Noise for possible noise problem. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 5-15 Version 1.0...

  • Page 84: Spot Deletions

    Do the spot deletions occur at intervals of approximately 62.0mm? PRESSURE ROLL DAMAGE Replace the Return to Ini- Pressure Roll tial Analysis Do the spot deletions occur at intervals of approximately Assy 61.0mm? 5-16 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 85: Spots

    Do the spots occur at intervals of approximately 104mm? PRESSURE ROLL DAMAGE Replace the Return to Ini- Pressure Roll tial Analysis Assy Do the spots occur at intervals of approximately 94mm? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 5-17 Version 1.0...

  • Page 86: Residual Image

    Do the images occur at intervals of approximately 62.0mm? PRESSURE ROLL DAMAGE Replace the Return to Ini- Pressure Roll tial Analysis Do the images occur at intervals of approximately Assy 61.0mm? 5-18 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 87: Background

    Inspect the Fuser Ground Path within the Fuser Assy and from path. the Fuser Assy to the Frame Ground. Is the Fuser Ground Path functioning correctly? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 5-19 Version 1.0...
  • Page 88 Inspect the rolls along the paper path, between the feed tray and the exit tray, for contamination, scratches, or damage. Are the paper path rolls free of contamination, scratches, or damage? 5-20 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 89: Skewed Image

    Inspect the rolls along the paper path, between the feed tray Assy and the exit tray, for contamination, scratches, or damage. Are the paper path rolls free of contamination, scratches, or damage? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 5-21 Version 1.0...

  • Page 90: Unfused Image

    FUSER Assy Return to Ini- Replace the tial Analysis Fuser Assy Inspect the contact between the Heat and Pressure Rolls. Are the Heat and Pressure Rolls contacting correctly? 5-22 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 91: Misregistered Image

    Configuration Mode (Appendix B). ues, and return to step Check NV codes 03 through 08, and 0D through 0I. Are the NV codes set at the default values? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 5-23 Version 1.0...
  • Page 92 Inspect the rolls along the paper path, between the feed tray Assy and the exit tray, for contamination, scratches, wear, or dam- age. Are the paper path rolls free of contamination, scratches, wear, or damage? 5-24 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 93 6.20 Electrical Noise............. 6-28 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...
  • Page 94 Secondary FIPs Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 95 11. Is the printer sitting on a level and stable surface? 12. Is recommended paper stock being used in the printer? 13. Does the customer use the printer as instructed in the HAKUBA User Manual? 14. Are consumables, such as the CRU, replaced at recommended intervals? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 96: Pwba Hkb Ps Failure (+3.3Vdc)

    Switch ON Main Power. PWBA HKB26 PWBA HKB Take the following readings within 65 seconds after switching (RRP10.1.7) (RRP10.1.9) ON Main Power. Is there +3.3VDC between J282-1 and J282-2? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 97 Is there +5VDC between P288-1 and P288-2 on the PWBA (RRP10.1.7) (RRP10.1.8) HKB 5VDC (PL10.1.14)? Deactuate the Switch Assy I/L Front. Is there +0VDC between P288-1 and P288-2 on the PWBA HKB 5VDC? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 98: Ros Assy Failure

    Is there continuity (0Ω) between all wires on J21 and J211, J212, J212? J213) Is there continuity (0Ω) between all wires on J21 and J211? Is there continuity (0Ω) between all wires on J21 and J213? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 99 HARNESS ASSY VDO (J22-J223) (PL8.1.8) ANALYSIS Replace the Replace the ROS Assy Harness Assy (RRP8.1.5) VDO (J22- Is there continuity (0Ω) between all wires on J22 and J223) J223? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 100: Heat Rod Failure

    HEAT ROD TEMPERATURE ANALYSIS Go to 6.5 Go to step 6 Temperature Disconnect P/J27 from the PWBA HKB26 MCU. Sensor Fail- Is there the continuity between J24-2 and J27-1? Table continued HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 101 Is there continuity (0Ω) between the two ends of the Ther- replace the mostat? Fuser Assy, PWBA HKB Is there continuity (0Ω) between the two ends of the Plate PS, and the Fuse? PWBA HKB26 MCU. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 102: Temperature Sensor Failure

    Fuser Assy (RRP6.1.3) Allow the Fuser Assy to cool to room temperature. (RRP10.1.7) Check the continuity between J27-1 and J27-2. Is there approximately 2MΩ between J27-1 and J27-2? 6-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 103: Sensor Exit Failure

    Use a piece of paper to actuate the Sensor Exit. (RRP10.1.7) Is there +0 VDC between P/J27-4 and P/J27-5? Remove the piece of paper from the Sensor Exit. Is there +5 VDC between P/J27-4 and P/J27-5? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-11 Version 1.0...

  • Page 104: Sensor Photo:regi Failure

    Check the voltage between P/J43-5 and P/J43-4. (RRP10.1.7) (RRP5.1.5) Does the voltage between P/J43-5 and P/J43-4 fall down from +3.3VDC to 0VDC when the Actuator Regi is pushed down by a sheet of paper? 6-12 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 105: Sensor Photo:no Pap 1 Failure

    Check the continuity between P61-5 and P331-16, P61-3 and (PL9.1.9) P331-10, and P61-4 and P331-11. Is there the continuity between P61-5 and P331-16, P61-3 and P331-10, and P61-4 and P331-11? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-13 Version 1.0...
  • Page 106 +3.3VDC to 0VDC when the Actuator N/P (PL3.1.6) (RRP10.1.7) shields the sensing point of the Sensor Photo. Does the voltage between P/J61-5 and P/J65-4 fall down to 0VDC? 6-14 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 107: Sensor Photo:exit Failure

    Actuator Exit with inserting and (RRP10.1.7) removing a sheet of paper at the Fuser Assy. Is there 0VDC when pushing up the Actuator Exit and +5VDC when releasing it? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-15 Version 1.0...

  • Page 108: Sensor Assy Cru Failure

    Harness Assy FS SNR (J30-J301) (PL7.1.16) ANALYSIS Go to 6.1 Replace the PWBA HKB Harness Assy PS Failure FS SNR (J30- Is there continuity (0Ω) between all wires on J30 and (+5VDC) -J301) J301? 6-16 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 109: Drive Components Failure

    Remove the Motor Assy Main remaining the connection of har- Main ness assy. (RRP8.1.7) Use MAIN MOTOR TEST to check the rotation of Gear Assy Drive. Do the Motor Assy Main rotate smoothly? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-17 Version 1.0...
  • Page 110 Go to step 11 Replace the Fuser Assy Remove the Fuser Assy. (RRP6.1.3) Rotate the Heat Roll Gear clockwise by manual. Do all of the gears rotate smoothly? 6-18 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 111 Go to 6.13 Problem Solenoid Pick solved Up Failure, Is the problem still present? 6.14 Clutch Assy Feed Failure, 6.15 Clutch Assy Turn Failure or 6.18 Exit Failure HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-19 Version 1.0...

  • Page 112: Paper Size Sensor Failure

    Push and release the Cam SW (PL9.1.15) respectively by (RRP10.1.7) manual and observe the increment of the SENSOR CHECK counter. Does the counter increment followed by the push and release of the Cam SW? 6-20 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 113: Solenoid Pick Up Failure

    Go to 6.2 Solenoid Pick PWBA HKB Check the voltage between P/J44-1 and P/J44-2 when use PS Failure SOLENOID MBF TEST. (+24V) Is there +24VDC when the Solenoid MBF Test? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-21 Version 1.0...

  • Page 114: Clutch Assy Feed Failure

    Clutch Assy PWBA HKB Check the voltage between P/J651-1 and P/J651-4 when use Feed PS Failure FEED CLUTCH TEST. (+24V) Is there +24VDC when the FEED CLUTCH TEST? 6-22 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 115 Clutch Assy PWBA HKB Check the voltage between P/J641-1 and P/J641-4 when use Turn PS Failure TURN CLUTCH TEST. (+24V) Is there +24VDC when the TURN CLUTCH TEST? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-23 Version 1.0...

  • Page 116: Fan Assy Failure

    Fan Assy PWBA HKB26 (RRP9.1.1) Use FAN TEST to check the Fan operation. (RRP10.1.7) Check the voltage between P26-13 and P26-8. Is there +3.3VDC between P26-13 and P26-8? 6-24 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 117: Toner Sensor Failure

    Replace the PWBA HKB PWBA Conn Check the continuity between P42-4 and P231-9, P42-3 and PS Failure (RRP10.1.5) P231-11, and P42-1 and P231-12. (+24VDC) Is there continuity (0Ω)? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-25 Version 1.0...

  • Page 118: Exit Failure

    MOTOR ASSY EXIT ANALYSIS Replace the Replace the PWBA HKB26 Motor Assy Rotate the Motor Assy Exit manually. EXIT Does the Motor Assy Exit rotate smoothly? (RRP10.1.7) (RRP7.1.6) 6-26 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 119: Pwba Hvps Failure

    Is there continuity (0Ω) between all wires on J26 and (RRP10.1.11) J261? Install a new MCU PWB. Replace the Problem PWBA HVPS solved Is the problem still present? (RRP10.1.11) HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-27 Version 1.0...

  • Page 120: Electrical Noise

    Re-secure the Spring Earth Check to make sure the Springs Earth are firmly attached to the P/H Assy. Are the Springs Earth firmly attached to the P/H Assy? 6-28 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 121 Is there continuity (0Ω) along the entire printer ground path? Try the initial analysis again. Replace the Look for an component external device caus- ing the noise Is there a faulty component? HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 6-29 Version 1.0...
  • Page 122 Secondary FIPs Blank Page 6-30 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 123 1.5.12 Print Summary............8-22 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...
  • Page 124 Diagnostic Mode HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 125: Diagnostic Mode

    “Previous” moves down and up through the selected sub-menu. Pressing “Select” will activate the displayed menu item. Pressing “Return” moves back to the next higher menu. See 1.5.4 for an illustration of all the menus and sub-menus. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 126: Graphic Illustrations Of The Diagnostic Menus

    Press “Return” or “Cancel” to exit the test or to move up one level in the menu structure. 1.5.4.2 Output Tests (see 1.5.5) HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 127 Diagnostic Mode 1.5.4.3 Input Tests (see 1.5.6) 1.5.4.4 Alignment (see 1.5.7) HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 128 Diagnostic Mode 1.5.4.5 Maintenance Info (see 1.5.8) 1.5.4.6 Operator Panel (see 1.5.9) HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 129 Diagnostic Mode 1.5.4.7 Test Print (see 1.5.10) 1.5.4.8 Flash Summary (see 1.5.11) HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 130 Diagnostic Mode 1.5.4.9 Print Summary (see 1.5.12) HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 131: Output Tests

    Exit Motor run forward at low speed. Exit Motor Rev L Exit Motor reverse at low speed When ON is selected, you will see the Exit Motor run reverse at low speed. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 132 When ON is selected, the DC bias volt- age is switched on. · Exact output voltage readings cannot be confirmed with this diagnostic test, because of the HVPS design, and also variable types of multimeter. 8-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 133: Input Tests

    (heating and cool- ing), a temperature variation, indicated by a constantly changing Hex code, is not a sign of trouble. ROM Checksum ROM Checksum Displays the ROM checksum. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 8-11 Version 1.0...

  • Page 134: Alignment

    Env Scan Dir Envelopes in the scan direction Adjusts the image start of scan position on the photoreceptor to match the stock being fed from the envelope feeder. 8-12 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 135: Maintenance Info

    Reset Error Log Start to Confirm After Select is pressed, you can press Start to reset (clear) the error Cancel to abort log or press cancel to abort the selection. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 8-13 Version 1.0...

  • Page 136: Operator Panel

    When you press one of the keys, OPN changes to CLS for that key. Pressing the Return key ends the test and returns to the Operator Panel menu. 8-14 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 137 (Figure 4). Black pages are used for image quality, solid area coverage, and drum defects. Test Page Test Page When Select is pressed, the test page is printed (Figure 5). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 8-15 Version 1.0...
  • Page 138 Diagnostic Mode Figure 1. Engine Test Page Example 8-16 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 139 Diagnostic Mode Figure 2. Grid Page Example HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 8-17 Version 1.0...
  • Page 140 Diagnostic Mode Figure 3. Blank Page Example 8-18 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 141 Diagnostic Mode Figure 4. Black Page Example HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 8-19 Version 1.0...
  • Page 142 Diagnostic Mode Figure 5. Test Page Example 8-20 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 143: Flash Summary

    Pressing Select with flash summary displayed prints the Flash Summary Report. The report shows the status of the flash SIMMs. An example of the report is illustrated in Figure 6. Figure 6. Flash Summary Example HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 8-21 Version 1.0...
  • Page 144 The report is usually on two pages. An example of the report is illustrated in Figure 7 and Figure 8. Figure 7. Print Summary (page 1) Example 8-22 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 145: Print Summary

    Diagnostic Mode Figure 8. Print Summary (page 2) Example HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 8-23 Version 1.0...
  • Page 146 Diagnostic Mode 8-24 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 147 1.6.2 Registration Adjustment ......... . 9-4 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual...
  • Page 148 Adjustment Mode HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 149: Adjustment Mode

    *If the tray displayed is the Envelope feeder, you will have the following choice for Media Size: COM 10 Envelope Monarch Envelope C5 Envelope DL Envelope 12. When completed, press return a number of times until Ready is displayed HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 150 11. The alignment menu lists each tray/feeder and feed direction and scan direction. Use the Next Button to scroll to the tray/feeder and the direction where registration is mis-adjusted. Press Select. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 151 Previous Button to decrease the value. Press Select. 13. Return to the Test Print Menu and run another Grid Pattern. Repeat steps 10 through 12 for each tray/feeder as necessary. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 152 Adjustment Mode HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 153 RRP 2.2.6 Spring (PL2.2.26) ........... . . 10-48 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-1 Version 1.0...
  • Page 154 RRP 5.1.11 Kit Toner Sensor (with 1,2,33)(Reference Only) ......10-124 10-2 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 155 RRP 9.1.7 Housing Assy Size Sensor (with 13-21)(Reference Only) ..... 10-180 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-3 Version 1.0...
  • Page 156 RRP 10.1.11 PWBA HVPS (PL10.1.20) ..........10-208 10-4 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 157: Preparation

    Removal and Replacement Procedures (RRPs) Section 10 - Removal and Replacement Procedures (RRPs) This section contains the removal and replacement procedure for main parts of the HAKUBA printer. Preparation 1. Switch OFF the main power. 2. Disconnect the AC power cord from the wall outlet, then start work.

  • Page 158: Notations In The Rrp Text

    \ For the location of connectors (P/J), refer to [Section 11 P/J Location]. 10-6 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 159 Removal and Replacement Procedures (RRPs) Section 10 - Removal and Replacement Procedures (RRPs) continued This Page is Intentionally Blank HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-7 Version 1.0...

  • Page 160: Rrp 1.1.1 Cover Left (Pl1.1.1)

    Removal and Replacement Procedures (RRPs) RRP 1.1.1 Cover Left (PL1.1.1) Figure 2. Cover Left Removal 10-8 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 161 Cover Left with its mount position on the printer. 1. Align the Cover Left to the printer with two screws. 2. Secure the Cover Assy I/F (RRP 1.1.2). 3. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-9 Version 1.0...

  • Page 162: Rrp 1.1.2 Cover Assy I/F (Pl1.1.2)

    Removal and Replacement Procedures (RRPs) RRP 1.1.2 Cover Assy I/F (PL1.1.2) Figure 3. Cover Assy I/F Removal 10-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 163 Cover Assy Top and the Cover Left . 1. Align the Cover Assy I/F with its mount position on the printer. Cover Assy I/F to the printer with two screws. 2. Secure the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-11 Version 1.0...

  • Page 164: Rrp 1.1.3 Cover Option (Pl1.1.4)

    Removal and Replacement Procedures (RRPs) RRP 1.1.3 Cover Option (PL1.1.4) Figure 4. Cover Option Removal 10-12 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 165 Cover Option , insert two latches of Cover Option into the Cover 2. Pushing the rear side of Assy Top . Cover Assy Rear . 3. Close the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-13 Version 1.0...

  • Page 166: Rrp 1.1.4 Cover Assy Top (Pl1.1.5)

    Removal and Replacement Procedures (RRPs) RRP 1.1.4 Cover Assy Top (PL1.1.5) Figure 5. Cover Assy Top Removal 10-14 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 167 Cover Option (RRP 1.1.3). 5. Mount the Cover Assy Rear . 6. Close the 7. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 8. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-15 Version 1.0...

  • Page 168: Rrp 1.1.5 Control Assy Panel (Pl1.1.6)

    Removal and Replacement Procedures (RRPs) RRP 1.1.5 Control Assy panel (PL1.1.6) Figure 6. Control Assy Panel Removal 10-16 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 169 Cover Assy Top (RRP 1.1.4). 3. Mount the Cover Assy Rear . 4. Close the 5. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 6. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-17 Version 1.0...

  • Page 170: Rrp 1.1.6 Harness Assy Panel (Pl1.1.7)

    Removal and Replacement Procedures (RRPs) RRP 1.1.6 Harness Assy Panel (PL1.1.7) Figure 7. Harness Assy Panel Removal 10-18 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 171 Cover Assy Top (RRP 1.1.4). 3. Mount the Cover Assy Rear . 4. Close the 5. Mount the Cover Front L/H (RRP 1.1.10). 6. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-19 Version 1.0...

  • Page 172: Rrp 1.1.7 Cover Right (Pl1.1.8)

    Removal and Replacement Procedures (RRPs) RRP 1.1.7 Cover Right (PL1.1.8) Figure 8. Cover Right Removal 10-20 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 173 Cover Assy Top (RRP 1.1.4). 4. Mount the Cover Assy Rear . 5. Close the 6. Mount the Cover Front L/H (RRP 1.1.9). Cover Assy Front (RRP 1.1.8). 7. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-21 Version 1.0...

  • Page 174: Rrp 1.1.8 Cover Assy Front (Pl1.1.9)

    Removal and Replacement Procedures (RRPs) RRP 1.1.8 Cover Assy Front (PL1.1.9) Figure 9. Cover Assy Front Removal 10-22 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 175 4. Hang the hook of the Spring Front on the hole placed the right side of the unit. Cover Assy Front to the left stud of printer with the KL 5. Secure the left bearing bore of clip. Cover Assy Front . 6. Close the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-23 Version 1.0...

  • Page 176: Rrp 1.1.9 Tray Assy Mbf (Pl1.1.17)

    Removal and Replacement Procedures (RRPs) RRP 1.1.9 Tray Assy MBF (PL1.1.17) Figure 10. Tray Assy MBF Removal 10-24 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 177 Stopper Tray to the shaft of Tray Assy MBF with the Clip (PL1.1.22). 4. Secure the Cover Assy Front (RRP 1.1.8). 5. Mount the 6. Close the Cover Assy Front (PL1.1.9). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-25 Version 1.0...

  • Page 178: Rrp 1.1.10 Cover Front L/H (Pl1.1.19)

    Removal and Replacement Procedures (RRPs) RRP 1.1.10 Cover Front L/H (PL1.1.19) Figure 11. Cover Front L/H Removal 10-26 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 179 Cover L/H with a hole on the left side of Cover Assy Top to secure the 2. Engage the hook of Cover L/H . 3. Secure the Cover L/H to the printer with three screws. Cover Assy Front (RRP 1.1.8). 4. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-27 Version 1.0...

  • Page 180: Rrp 1.2.1 Cap Envelope (Pl1.2.7)

    Removal and Replacement Procedures (RRPs) RRP 1.2.1 Cap Envelope (PL1.2.7) Figure 12. Cap Envelope Removal 10-28 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 181 Cap Envelope on the left hole in the Chute Assy Face Up of the Cover Assy Rear . 2. Mount the Cover Assy Rear . 3. Close the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-29 Version 1.0...

  • Page 182: Rrp 1.2.2 Stopper (Pl1.2.10)

    Removal and Replacement Procedures (RRPs) RRP 1.2.2 Stopper (PL1.2.10) Figure 13. Stopper Removal 10-30 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 183 1. Align the Stopper with its mount position to the printer. Stopper to the printer with one screw. 2. Secure the Cover Assy Rear (RRP1.2.3). 3. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-31 Version 1.0...
  • Page 184 Removal and Replacement Procedures (RRPs) RRP 1.2.3 Cover Assy Rear(Standard) (Reference Only) Figure 14. Cover Assy Rear(Standard) Removal 10-32 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 185: Rrp 1.2.3 Cover Assy Rear(Standard) (With 1~9) (Reference Only)

    3. Secure the left side of Stopper (PL1.2.10) into a hole in the Cover Assy Rear . 4. Insert the lead edge of Cover Assy Rear . 5. Close the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-33 Version 1.0...

  • Page 186: Rrp 1.2.4 Chute Assy Face Up (Pl1.2.8)

    Removal and Replacement Procedures (RRPs) RRP 1.2.4 Chute Assy Face Up (PL1.2.8) Figure 15. Chute Assy Face Up Removal 10-34 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 187 2. Adjust the Chute Assy Face Up to the setting position of the Cover Assy Rear Face Up,and then fasten it by both screws. Cover Assy Rear Face Up (RRP 1.2.3). 3. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-35 Version 1.0...

  • Page 188: Rrp 2.1.1 Cassette Assy (Pl2.1.1)

    Removal and Replacement Procedures (RRPs) RRP 2.1.1 Cassette Assy (PL2.1.1) Figure 16. Cassette Assy Removal 10-36 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 189 RRP 2.1.1 Cassette Assy (PL2.1.1) continued Removal Cassette Assy from the printer. 1. Draw the Replacement Cassette Assy into the printer. 1. Aligning the position exactly, insert the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-37 Version 1.0...

  • Page 190: Rrp 2.2.1 Clutch Assy Friction (Pl2.2.7)

    Removal and Replacement Procedures (RRPs) RRP 2.2.1 Clutch Assy Friction (PL2.2.7) Figure 17. Clutch Assy Friction Removal(1) Figure 18. Clutch Assy removal(2) 10-38 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 191 Chute Retard Base L and Chute Retard Base R with the left and right latches from 5. Secure the Cassette Assy . Cassette Assy to the printer (RRP 2.1.1). 6. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-39 Version 1.0...

  • Page 192: Rrp 2.2.2 Roll Assy (Pl2.2.8)

    Removal and Replacement Procedures (RRPs) RRP 2.2.2 Roll Assy (PL2.2.8) Figure 19. Roll Assy Removal(1) Figure 20. Roll Assy Removal(2) 10-40 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 193 Chute Retard Base L and Chute Retard Base R with the left and right latches of 4. Secure the Cassette Assy . Cassette Assy to the printer (RRP2.1.1). 5. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-41 Version 1.0...

  • Page 194: Rrp 2.2.3 Spring Retard (Pl2.2.10)

    Removal and Replacement Procedures (RRPs) RRP 2.2.3 Spring Retard (PL2.2.10) Figure 21. Spring Retard(1) Figure 22. Spring Retard(2) 10-42 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 195 Chute Retard Base L and Chute Retard Base R with the left and right latches from 4. Secure the Cassette Assy . 5. Mount the Cassette Assy to the printer (RRP 2.1.1). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-43 Version 1.0...

  • Page 196: Rrp 2.2.4 Motor Assy (Pl2.2.22)

    Removal and Replacement Procedures (RRPs) RRP 2.2.4 Motor Assy (PL2.2.22) Figure 23. Motor Assy Removal(1) Figure 24. Motor Assy Removal(2) 10-44 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 197 Holder L (PL2.2.21) with Spring Motor to the replacement position of the 6. Adjust the Cassette Assy . Holder L to the Cassette Assy (two screws). 7. Fix the Cassette Assy to the printer (RRP 2.1.1). 8. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-45 Version 1.0...

  • Page 198: Rrp 2.2.5 Connector(Pl2.2.25) And Guide Socket(Pl2.2.27)

    Removal and Replacement Procedures (RRPs) RRP 2.2.5 Connector(PL2.2.25) and Guide Socket(PL2.2.27) Figure 25. Connector and Guide Socket Removal(1) Figure 26. Connector Guide Socket Removal(2) 10-46 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 199 6. Aligning the position exactly, mount the Cassette Assy . 7. Secure the Holder L to the Cassette Assy with two screws. Cassette Assy to the printer (RRP 2.1.1). 8. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-47 Version 1.0...

  • Page 200: Rrp 2.2.6 Spring (Pl2.2.26)

    Removal and Replacement Procedures (RRPs) RRP 2.2.6 Spring (PL2.2.26) Figure 27. Spring Removal(1) Figure 28. Spring Removal(2) 10-48 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 201 3. Aligning the position exactly, mount the Cassette Assy . Holder L to the Cassette Assy with two screws. 4. Secure the Cassette Assy to the printer (RRP2.1.1). 5. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-49 Version 1.0...

  • Page 202: Rrp 3.1.1 Roll Assy Turn (Pl3.1.1)

    Removal and Replacement Procedures (RRPs) RRP 3.1.1 Roll Assy Turn (PL3.1.1) Figure 29. Roll Assy Turn Removal(1) Figure 30. Roll Assy Turn Removal(2) 10-50 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 203 Spring Extension from two notches of Roll Assy Turn , and remove the Spring 16. Unhook the left Extension . Spring Extension from two notches of Roll Assy Turn , and remove the Spring 17. Unhook the right Extension . HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-51 Version 1.0...
  • Page 204 Cover Assy I/F (RRP 1.1.2). Chute MBF Assy (RRP 4.1.1). 15. Mount the Cover Front L/H (RRP 1.1.10). 16. Mount the Cover Assy Front (RRP 1.1.8). 17. Mount the 10-52 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 205 Removal and Replacement Procedures (RRPs) RRP 3.1.1 Roll Assy Turn (PL3.1.1) continued Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-53 Version 1.0...

  • Page 206: Rrp 3.1.2 Spring Chute (Pl3.1.4)

    Removal and Replacement Procedures (RRPs) RRP 3.1.2 Spring Chute (PL3.1.4) Figure 31. Spring Chute Removal 10-54 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 207 Cover Assy I/F (RRP 1.1.2). 14. Mount the Chute MBF Assy (RRP 4.1.1). Cover Front L/H (RRP 1.1.10). 15. Mount the Cover Assy Front (RRP 1.1.8). 16. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-55 Version 1.0...

  • Page 208: Rrp 3.1.3 Actuator N/P (Pl3.1.6)

    Removal and Replacement Procedures (RRPs) RRP 3.1.3 Actuator N/P (PL3.1.6) Figure 32. Actuator N/P Removal 10-56 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 209 Cover Assy I/F (RRP 1.1.2). 11. Mount the Chute MBF Assy (RRP 4.1.1). Cover Front L/H (RRP 1.1.10). 12. Mount the Cover Assy Front (RRP 1.1.8). 13. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-57 Version 1.0...

  • Page 210: Rrp 3.1.4 Sensor Photo:face Control,Low Paper (Pl3.1.13)

    Removal and Replacement Procedures (RRPs) RRP 3.1.4 Sensor Photo:Face Control,Low Paper (PL3.1.13) Figure 33. Sensor Photo:Face Control Paper Removal 10-58 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 211 Cover Assy I/F (RRP 1.1.2). Chute MBF Assy (RRP 4.1.1). 13. Mount the Cover Front L/H (RRP 1.1.10). 14. Mount the Cover Assy Front (RRP 1.1.8). 15. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-59 Version 1.0...

  • Page 212: Rrp 3.1.5 Feeder Assy (Pl3.1.19)

    Removal and Replacement Procedures (RRPs) RRP 3.1.5 Feeder Assy (PL3.1.19) engine rrp032FA Figure 34. Feeder Assy Removal(1) Figure 35. Feeder Assy Removal(2) 10-60 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 213 17. Sliding the Feeder , and remove the Feeder Assy from the Feeder . bore of the Spring Nudger (PL3.1.29) from the boss of Feeder . 18. Remove the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-61 Version 1.0...
  • Page 214 Cover Assy I/F (RRP 1.1.2). Chute MBF Assy (RRP 4.1.1). 15. Mount the Cover Front L/H (RRP 1.1.10). 16. Mount the Cover Assy Front (RRP 1.1.8). 17. Mount the 10-62 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 215 Removal and Replacement Procedures (RRPs) RRP 3.1.5 Feeder Assy (PL3.1.19) continued Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-63 Version 1.0...

  • Page 216: Rrp 3.1.6 Roll Assy (Pl3.1.26)

    Removal and Replacement Procedures (RRPs) RRP 3.1.6 Roll Assy (PL3.1.26) Figure 36. Roll Assy Removal 10-64 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 217 Feeder , insert the Roll Assy into the front shaft of Feeder Assy . 3. From the Roll Assy to the groove in the front shaft of Feeder Assy to secure. 4. Hook the Cassette Assy (RRP 2.1.1). 5. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-65 Version 1.0...

  • Page 218: Rrp 3.1.7 Pwba Feeder (Pl3.1.36)

    Removal and Replacement Procedures (RRPs) RRP 3.1.7 PWBA Feeder (PL3.1.36) Figure 37. PWBA Feeder Removal 10-66 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 219 15. Unplug the connector (P/J67) on the PWBA Feeder from the Feeder . PWBA Feeder to the Feeder . 16. Remove the four screws securing the PWBA Feeder from the Feeder . 17. Remove the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-67 Version 1.0...
  • Page 220 Cover Assy I/F (RRP 1.1.2). 14. Mount the Chute MBF Assy (RRP 4.1.1). 15. Mount the 16. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 17. Mount the 10-68 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 221 Removal and Replacement Procedures (RRPs) RRP 3.1.7 PWBA Feeder (PL3.1.36) continued Blank page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-69 Version 1.0...

  • Page 222: Rrp 3.1.8 Clutch Assy Feed (Pl3.1.37)

    Removal and Replacement Procedures (RRPs) RRP 3.1.8 Clutch Assy Feed (PL3.1.37) Figure 38. Clutch Assy Feed Removal(1) Figure 39. Clutch Assy Feed Removal(2) 10-70 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 223 18. Unclamp the harness of PWBA Feeder . 19. Unplug the connector (P/J65) from the Clutch Assy Feed from the shaft of Feeder Assy (PL3.1.19) in the Feeder . 20. Draw the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-71 Version 1.0...
  • Page 224 Cover Assy I/F (RRP 1.1.2). 17. Mount the Chute MBF Assy (RRP 4.1.1). 18. Mount the Cover Front L/H (RRP 1.1.10). 19. Mount the Cover Assy Front (RRP 1.1.8). 20. Mount the 10-72 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 225 Removal and Replacement Procedures (RRPs) RRP 3.1.8 Clutch Assy Feed (PL3.1.37) continued Blank page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-73 Version 1.0...

  • Page 226: Rrp 3.1.9 Socket (Pl3.1.40)

    Removal and Replacement Procedures (RRPs) RRP 3.1.9 Socket (PL3.1.40) Figure 40. Socket Removal 10-74 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 227 Socket into a hole in the Feeder . 2. Aligning the position exactly, insert the boss of Socket to the Feeder with two screws. 3. Secure the Cassette Assy (RRP 2.1.1). 4. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-75 Version 1.0...

  • Page 228: Rrp 3.1.10 Feeder(With 1~40) (Reference Only)

    Removal and Replacement Procedures (RRPs) RRP 3.1.10 Feeder (with1-40) (Reference Only) Figure 41. Feeder Removal 10-76 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 229 Cover Assy I/F (RRP 1.1.2). 10. Mount the Chute MBF Assy (RRP 4.1.1). Cover Front L/H (RRP 1.1.10). 11. Mount the Cover Assy Front (RRP 1.1.8). 12. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-77 Version 1.0...

  • Page 230: Rrp 4.1.1 Chute Mbf Assy (Pl4.1.1)

    Removal and Replacement Procedures (RRPs) RRP 4.1.1 Chute MBF Assy (PL4.1.1) Figure 42. Chute MBF Assy Removal 10-78 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 231 Chute MBF Assy to the printer with three clamps. 6. Secure the harness of Cover Front L/H (RRP 1.1.10). 7. Mount the Cover Assy Front (RRP 1.1.8). 8. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-79 Version 1.0...

  • Page 232: Rrp 4.1.2 Roll Assy Mbf(With 3-6,28) (Pl4.1.2)

    Removal and Replacement Procedures (RRPs) RRP 4.1.2 Roll Assy MBF(with 3-6,28) (PL4.1.2) Figure 43. Roll Assy MBF Removal(1) Figure 44. Roll Assy MBF Removal(2) 10-80 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 233 Spring MBF (RRP 4.1.9). 6. Mount the Chute MBF Assy (RRP 4.1.1). 7. Mount the Cover Front L/H (RRP 1.1.10). 8. Mount the Cover Assy Front (RRP 1.1.8) 9. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-81 Version 1.0...

  • Page 234: Rrp 4.1.3 Roll Assy Mbf (Pl4.1.6)

    Removal and Replacement Procedures (RRPs) RRP 4.1.3 Roll Assy MBF (PL4.1.6) Figure 45. Roll Assy MBF Removal 10-82 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 235 Core to the groove of Shaft Assy MBF . hook the Chute MBF Assy (RRP 4.1.1). 4. Mount the 5. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 6. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-83 Version 1.0...

  • Page 236: Rrp 4.1.4 Tray Bottom Assy (Pl4.1.8)

    Removal and Replacement Procedures (RRPs) RRP 4.1.4 Tray Bottom Assy (PL4.1.8) Figure 46. Tray Bottom Assy Removal(1) Figure 47. Tray Bottom Assy Removal(2) 10-84 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 237 Spring MBF (RRP 4.1.9). 11. Mount the Chute MBF Assy (RRP 4.1.1). 12. Mount the Cover Front L/H (RRP 1.1.10). 13. Mount the 14. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-85 Version 1.0...

  • Page 238: Rrp 4.1.5 Actuator N/P Mbf(Pl4.1.12)

    Removal and Replacement Procedures (RRPs) RRP 4.1.5 Actuator N/P MBF(PL4.1.12) Figure 48. Actuator N/P MBF Removal(1) Figure 49. Actuator N/P MBF Removal(2) 10-86 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 239 Spring MBF (RRP 4.1.9). 9. Mount the Chute MBF Assy (RRP 4.1.1). 10. Mount the Cover Front L/H (RRP 1.1.10). 11. Mount the 12. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-87 Version 1.0...

  • Page 240: Rrp 4.1.6 Pad Assy Retard (Pl4.1.15)

    Removal and Replacement Procedures (RRPs) RRP 4.1.6 Pad Assy Retard (PL4.1.15) Figure 50. Pad Assy Retard Removal(1) Figure 51. Pad Assy Retard Removal(2) 10-88 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 241 Spring MBF (RRP 4.1.9). 9. Mount the 10. Mount the Chute MBF Assy (RRP 4.1.1). 11. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 12. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-89 Version 1.0...

  • Page 242: Rrp 4.1.7 Sensor Photo:paper Set (Pl4.1.19)

    Removal and Replacement Procedures (RRPs) RRP 4.1.7 Sensor Photo:Paper Set (PL4.1.19) Figure 52. Sensor Photo:Paper Set Removal(1) Figure 53. Sensor Photo:Paper Set Removal(2) 10-90 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 243 Spring MBF (RRP 4.1.9). Chute MBF Assy (RRP 4.1.1). 11. Mount the Cover Front L/H (RRP 1.1.10). 12. Mount the Cover Assy Front (RRP 1.1.8). 13. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-91 Version 1.0...

  • Page 244: Rrp 4.1.8 Solenoid Pick Up (Pl4.1.23)

    Removal and Replacement Procedures (RRPs) RRP 4.1.8 Solenoid Pick Up (PL4.1.23) Figure 54. Solenoid Pick Up Removal 10-92 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 245 Spring MBF (RRP 4.1.9). 5. Mount the Chute MBF Assy (RRP 4.1.1). Cover Front L/H (RRP 1.1.10). 6. Mount the Cover Assy Front (RRP 1.1.8). 7. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-93 Version 1.0...

  • Page 246: Rrp 4.1.9 Spring Mbf (Pl4.1.24)

    Removal and Replacement Procedures (RRPs) RRP 4.1.9 Spring MBF (PL4.1.24) Figure 55. Spring MBF Removal 10-94 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 247 Spring MBF to the hole in Chute MBF Assy . 2. Hook the Chute MBF Assy (RRP 4.1.1). 3. Mount the Cover Front L/H (RRP 1.1.10). 4. Mount the Cover Assy Front (RRP 1.1.8). 5. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-95 Version 1.0...

  • Page 248: Rrp 4.1.10 Gear Pick Up (Pl4.1.25)

    Removal and Replacement Procedures (RRPs) RRP 4.1.10 Gear Pick Up (PL4.1.25) engine rrp051FA Figure 56. Gear Pick Up Removal 10-96 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 249 Spring MBF (RRP 4.1.9). 3. Mount the Chute MBF Assy (RRP 4.1.1). 4. Mount the 5. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 6. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-97 Version 1.0...

  • Page 250: Rrp 4.1.11 Connector Assy Env. (Pl4.1.27)

    Removal and Replacement Procedures (RRPs) RRP 4.1.11 Connector Assy ENV. (PL4.1.27) Figure 57. Connector Assy ENV Removal 10-98 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 251 Plate ENV Assy toward the right, mount it to the Chute Assy MBF (PL4.1.1). 3. Sliding the Chute MBF Assy (RRP 4.1.1). 4. Mount the 5. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 6. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-99 Version 1.0...

  • Page 252: Rrp 4.1.12 Tray Bottom Pick Up (With9,10) (Reference Only)

    Removal and Replacement Procedures (RRPs) RRP 4.1.12 Tray Bottom Pick Up (with9,10) (Reference Only) Figure 58. Tray Pick Up Removal 10-100 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 253 Spring MBF (RRP 4.1.9). 8. Mount the Chute MBF Assy (RRP 4.1.1). 9. Mount the Cover Front L/H (RRP 1.1.10). 10. Mount the Cover Assy Front (RRP 1.1.8). 11. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-101 Version 1.0...

  • Page 254: Rrp 5.1.1 P/H Assy (Pl5.1.4)

    Removal and Replacement Procedures (RRPs) RRP 5.1.1 P/H Assy (PL5.1.4) Figure 59. P/H Assy Removal(1) Figure 60. P/H Assy Removal(2) 10-102 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 255 Shaft 14 (RRP 5.1.10). Chute MBF Assy (RRP 4.1.1). 8. Mount the Cover Front L/H (RRP 1.1.10). 9. Mount the Cover Assy Front (RRP 1.1.8). 10. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-103 Version 1.0...

  • Page 256: Rrp 5.1.2 Roll Regi Rubber (Pl5.1.7)

    Removal and Replacement Procedures (RRPs) RRP 5.1.2 Roll Regi Rubber (PL5.1.7) engine rrp056FA Figure 61. Roll Regi Rubber Removal(1) engine rrp057FA Figure 62. Roll regi Rubber Removal(2) 10-104 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 257 Roll Regi Rubber from the bearing of P/H Assy , and draw 21. Draw upward the right shaft of Roll Regi Rubber from the P/H Assy . diagonal rightward the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-105 Version 1.0...
  • Page 258 Shaft 14 (RRP 5.1.10). 20. Mount the Chute MBF Assy (RRP 4.1.1). Cover Front L/H (RRP 1.1.10). 21. Mount the Cover Assy Front (RRP 1.1.8). 22. Mount the 10-106 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 259 Removal and Replacement Procedures (RRPs) RRP 5.1.2 Roll Regi Rubber (PL5.1.7) continued Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-107 Version 1.0...

  • Page 260: Rrp 5.1.3 Actuator Regi (Pl5.1.10)

    Removal and Replacement Procedures (RRPs) RRP 5.1.3 Actuator Regi (PL5.1.10) Figure 63. Actuator Regi Removal 10-108 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 261 Shaft 14 (RRP 5.1.10). 8. Mount the Chute MBF Assy (RRP 4.1.1). 9. Mount the Cover Front L/H (RRP 1.1.10). 10. Mount the 11. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-109 Version 1.0...

  • Page 262: Rrp 5.1.4 Spring Sensor Regi (Pl5.1.11)

    Removal and Replacement Procedures (RRPs) RRP 5.1.4 Spring Sensor Regi (PL5.1.11) Figure 64. Spring Sensor Regi Removal 10-110 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 263 Shaft 14 (RRP 5.1.10). 8. Mount the Chute MBF Assy (RRP 4.1.1). 9. Mount the Cover Front L/H (RRP 1.1.10). 10. Mount the 11. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-111 Version 1.0...

  • Page 264: Rrp 5.1.5 Sensor Photo:regi (Pl5.1.12)

    Removal and Replacement Procedures (RRPs) RRP 5.1.5 Sensor Photo:Regi (PL5.1.12) Figure 65. Sensor Photo:Regi Removal 10-112 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 265 Shaft 14 (RRP 5.1.10). 7. Mount the Chute MBF Assy (RRP 4.1.1). 8. Mount the Cover Front L/H (RRP 1.1.10). 9. Mount the Cover Assy Front (RRP 1.1.8). 10. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-113 Version 1.0...

  • Page 266: Rrp 5.1.6 Spring Regi L (Pl5.1.14)

    Removal and Replacement Procedures (RRPs) RRP 5.1.6 Spring Regi L (PL5.1.14) Figure 66. Spring Regi L Removal 10-114 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 267 Shaft 14 (RRP 5.1.10). 9. Mount the Chute MBF Assy (RRP 4.1.1). 10. Mount the Cover Front L/H (RRP 1.1.10). 11. Mount the Cover Assy Front (RRP 1.1.8). 12. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-115 Version 1.0...

  • Page 268: Rrp 5.1.7 Gear Regi Metal(Pl5.1.15)

    Removal and Replacement Procedures (RRPs) RRP 5.1.7 Gear Regi Metal(PL5.1.15) Figure 67. Gear Regi Metal Removal 10-116 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 269 Shaft 14 (RRP 5.1.10). 5. Mount the Chute MBF Assy (RRP 4.1.1). 6. Mount the 7. Mount the Cover Front L/H (RRP 1.1.10). 8. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-117 Version 1.0...

  • Page 270: Rrp 5.1.8 Gear Regi Rubber (Pl5.1.16)

    Removal and Replacement Procedures (RRPs) RRP 5.1.8 Gear Regi Rubber (PL5.1.16) Figure 68. Gear regi Rubber Removal 10-118 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 271 Shaft 14 (RRP 5.1.10). 5. Mount the Chute MBF Assy (RRP 4.1.1). 6. Mount the 7. Mount the Cover Front L/H (RRP 1.1.10). 8. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-119 Version 1.0...

  • Page 272: Rrp 5.1.9 Clutch Regi (Pl5.1.19)

    Removal and Replacement Procedures (RRPs) RRP 5.1.9 Clutch Regi (PL5.1.19) Figure 69. Clutch Regi Removal 10-120 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 273 Shaft 14 (RRP 5.1.10). 7. Mount the Chute MBF Assy (RRP 4.1.1). Cover Front L/H (RRP 1.1.10). 8. Mount the Cover Assy Front (RRP 1.1.8). 9. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-121 Version 1.0...

  • Page 274: Rrp 5.1.10 Shaft 14 (Pl5.1.34) And Gear 14 (Pl5.1.35)

    Removal and Replacement Procedures (RRPs) RRP 5.1.10 Shaft 14 (PL5.1.34) and Gear 14 (PL5.1.35) Figure 70. Shaft 14 Removal engine rrp066FA Figure 71. Gear 14 Removal 10-122 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 275 2. Insert the printer. 3. Mount the Chute MBF Assy (RRP 4.1.1). Cover Front L/H (RRP 1.1.10). 4. Mount the Cover Assy Front (RRP 1.1.8). 5. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-123 Version 1.0...

  • Page 276: Rrp 5.1.11 Kit Toner Sensor (With 1,2,33)(Reference Only)

    Removal and Replacement Procedures (RRPs) RRP 5.1.11 Kit Toner Sensor (with 1,2,33)(Reference Only) Figure 72. Kit Toner Sensor Removal 10-124 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 277 Shaft 14 (RRP 5.1.10). 7. Mount the Chute MBF Assy (RRP 4.1.1). 8. Mount the Cover Front L/H (RRP 1.1.10). 9. Mount the Cover Assy Front (RRP 1.1.8). 10. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-125 Version 1.0...

  • Page 278: Rrp 6.1.1 Btr Assy (Pl6.1.2)

    Removal and Replacement Procedures (RRPs) RRP 6.1.1 BTR Assy (PL6.1.2) Figure 73. BTR Assy Removal 10-126 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 279 BTR Chute Assy , secure the BTR Assy . 2. Pushing the left and right latches of Chute MBF Assy (RRP 4.1.1). 3. Mount the Cover Assy Front (RRP 1.1.6). 4. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-127 Version 1.0...

  • Page 280: Rrp 6.1.2 Chute Trans Assy (Pl6.1.3)

    Removal and Replacement Procedures (RRPs) RRP 6.1.2 Chute Trans Assy (PL6.1.3) engine rrp069FA Figure 74. Chute Trans Assy Removal 10-128 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 281 Shaft 14 (RRP 5.1.10). 8. Mount the Chute MBF Assy (RRP 4.1.1). 9. Mount the Cover Front L/H (RRP 1.1.10). 10. Mount the Cover Assy Front (RRP 1.1.8). 11. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-129 Version 1.0...

  • Page 282: Rrp 6.1.3 Fuser Assy (Pl6.1.7)

    Removal and Replacement Procedures (RRPs) RRP 6.1.3 Fuser Assy (PL6.1.7) Figure 75. Fuser Assy Removal 10-130 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 283 Fuser Assy with its mount position to the printer. 1. Align the 2. Secure the Fuser Assy to the printer with two screws. Cover Assy Rear . 3. Close the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-131 Version 1.0...

  • Page 284: Rrp 6.1.4 Harness Assy Fuser-M (Pl6.1.12)

    Removal and Replacement Procedures (RRPs) RRP 6.1.4 Harness Assy Fuser-M (PL6.1.12) Figure 76. Harness Assy Fuser-M Removal 10-132 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 285 Harness Assy Fuser-M from the left hole in the printer. 25. Pull the Harness Assy Fuser-M to the printer. 26. Remove the two screws securing the 27. Remove the Harness Assy Fuser-M from the printer. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-133 Version 1.0...
  • Page 286 Fuser Assy (RRP 6.1.3). 24. Mount the Cover Assy Rear (RRP 1.2.3). 25. Mount the Cover Front L/H (RRP 1.1.10). 26. Mount the 27. Mount the Cover Assy Front (RRP 1.1.8). 10-134 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 287 Removal and Replacement Procedures (RRPs) RRP 6.1.4 Harness Assy Fuser-M (PL6.1.12) continued Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-135 Version 1.0...

  • Page 288: Rrp 7.1.1 Eliminator Assy Exit (Pl7.1.1)

    Removal and Replacement Procedures (RRPs) RRP 7.1.1 Eliminator Assy Exit (PL7.1.1) Figure 77. Eliminator Assy Exit Removal 10-136 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 289 Cover Assy Top (RRP 1.1.4). 3. Mount the Cover Assy Rear (RRP 1.2.3). 4. Mount the Cover Front L/H (RRP 1.1.10). 5. Mount the 6. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-137 Version 1.0...

  • Page 290: Rrp 7.1.2 Actuator Full Stack (Pl7.1.2)

    Removal and Replacement Procedures (RRPs) RRP 7.1.2 Actuator Full Stack (PL7.1.2) Figure 78. Actuator Full Stack Removal 10-138 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 291 Cover Assy Top (RRP 1.1.4). 4. Mount the 5. Mount the Cover Assy Rear (RRP 1.2.3). Cover Front L/H (RRP 1.1.10). 6. Mount the Cover Assy Front (RRP 1.1.8). 7. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-139 Version 1.0...

  • Page 292: Rrp 7.1.3 Bearing Exit (Pl7.1.6) ,Bearing Mid (Pl7.1.25) And Roll Assy Mid-1(Pl7.1.7)

    Removal and Replacement Procedures (RRPs) RRP 7.1.3 Bearing Exit (PL7.1.6) ,Bearing MID (PL7.1.25) and Roll Assy MID-1(PL7.1.7) Figure 79. Bearing Exit ,Bearing MID and Roll Assy MID-1 Removal(1) 10-140 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 293 Removal and Replacement Procedures (RRPs) RRP 7.1.3 Bearing Exit (PL7.1.6) ,Bearing MID (PL7.1.25) and Roll Assy MID-1(PL7.1.7) continued Figure 80. Bearing Exit ,Bearing MID and Roll Assy MID-1 Removal HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-141 Version 1.0...
  • Page 294 Roll Assy MID-1 together with the left and right Bearing MIDs on the Roll 22. Remove the lower Assy MID-1 from the Chute Assy Exit . Bearing MIDs from the Roll Assy MID-1 . 23. Draw the left and right 10-142 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 295 Cover Assy I/F (RRP 1.1.2). Cover Assy Rear (RRP 1.2.3). 21. Mount the Cover Front L/H (RRP 1.1.10). 22. Mount the Cover Assy Front (RRP 1.1.8). 23. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-143 Version 1.0...
  • Page 296 Removal and Replacement Procedures (RRPs) RRP 7.1.4 Bearing MID (PL7.1.25) and Roll Assy MID-2(PL7.1.11) Figure 81. Bearing MID and Roll Assy MID-2 Removal 10-144 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 297 Roll Assy MID-2 together with the left and right Bearing MIDs on the Roll Assy 17. Remove the MID-2 from the Chute Assy Exit . Bearing MIDs from the Roll Assy MID-2 . 18. Draw the left and right HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-145 Version 1.0...
  • Page 298 Cover Assy I/F (RRP 1.1.2). Cover Assy Rear (RRP 1.2.3). 16. Mount the Cover Front L/H (RRP 1.1.10). 17. Mount the Cover Assy Front (RRP 1.1.8). 18. Mount the 10-146 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 299: Rrp 7.1.4 Bearing Exit (Pl7.1.6) And Roll Assy Mid-2(Pl7.1.11)

    Removal and Replacement Procedures (RRPs) RRP 7.1.4 continued Bearing Exit (PL7.1.6) and Roll Assy MID-2(PL7.1.11) Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-147 Version 1.0...

  • Page 300: Rrp 7.1.5 Sensor Photo:exit (Pl7.1.16)

    Removal and Replacement Procedures (RRPs) RRP 7.1.5 Sensor Photo:Exit (PL7.1.16) Figure 82. Sensor Photo:Exit Removal 10-148 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 301 Cover Assy Top (RRP 1.1.4). 6. Mount the Cover Assy Rear (RRP 1.2.3). 7. Mount the 8. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 9. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-149 Version 1.0...

  • Page 302: Rrp 7.1.6 Cover Interlock (Pl7.1.18)

    Removal and Replacement Procedures (RRPs) RRP 7.1.6 Cover Interlock (PL7.1.18) Figure 83. Cover Interlock Removal 10-150 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 303 Cover interlock to the printer with two screws. 2. Secure the Stopper (PL1.2.10) together with Cover Interlock with one screw. 3. Secure the Cover Assy Rear (RRP 1.2.3). 4. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-151 Version 1.0...

  • Page 304: Rrp 7.1.7 Motor Assy Exit (Pl7.1.21)

    Removal and Replacement Procedures (RRPs) RRP 7.1.7 Motor Assy Exit (PL7.1.21) Figure 84. Motor Assy Exit Removal 10-152 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 305 Cover Assy I/F (RRP 1.1.2). 8. Mount the Cover Assy Rear (RRP 1.2.3). 9. Mount the Cover Front L/H (RRP 1.1.10). 10. Mount the Cover Assy Front (RRP 1.1.8). 11. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-153 Version 1.0...

  • Page 306: Rrp 7.1.8 Chute Assy Exit (With 1-17,19-24)(Reference Only)

    Removal and Replacement Procedures (RRPs) RRP 7.1.8 Chute Assy Exit (with 1-17,19-24)(Reference Only) Figure 85. Chute Assy Exit Removal(1) Figure 86. Chute Assy Exit Removal(2) 10-154 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 307 Cover Assy I/F (RRP 1.1.2). 9. Mount the Cover Assy Rear (RRP 1.2.3). 10. Mount the 11. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 12. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-155 Version 1.0...

  • Page 308: Rrp 8.1.1 Cru Top Guide Assy (Pl8.1.4)

    Removal and Replacement Procedures (RRPs) RRP 8.1.1 CRU Top Guide Assy (PL8.1.4) Figure 87. CRU Top Guide Assy Removal 10-156 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 309 Cover Assy I/F (RRP 1.1.2). 8. Mount the Cover Assy Rear (RRP 1.2.3). 9. Mount the Cover Front L/H (RRP 1.1.10). 10. Mount the Cover Assy Front (RRP 1.1.8). 11. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-157 Version 1.0...

  • Page 310: Rrp 8.1.2 Ros Assy (Pl8.1.9)

    Removal and Replacement Procedures (RRPs) RRP 8.1.2 ROS Assy (PL8.1.9) Figure 88. ROS Assy Removal 10-158 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 311 Cover Assy Top (RRP 1.1.4). Cover Assy Rear (RRP 1.2.3). 8. Mount the Cover Front L/H (RRP 1.1.10). 9. Mount the Cover Assy Front (RRP 1.1.8). 10. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-159 Version 1.0...

  • Page 312: Rrp 8.1.3 Gear Assy Drive (Pl8.1.13)

    Removal and Replacement Procedures (RRPs) RRP 8.1.3 Gear Assy Drive (PL8.1.13) engine rrp084FA Figure 89. Gear Assy Drive Removal 10-160 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 313 Feeder (RRP 3.1.10). 20. Remove the 21. Remove the four screws securing the Gear Assy Drive to the printer. Gear Assy Drive from the printer. 22. Remove the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-161 Version 1.0...
  • Page 314 Fuser Assy (RRP 6.1.3). 19. Mount the Cover Assy Rear (RRP 1.2.3). 20. Mount the 21. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 22. Mount the 10-162 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 315 Removal and Replacement Procedures (RRPs) RRP 8.1.3 Gear Assy Drive (PL8.1.13) continued Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-163 Version 1.0...

  • Page 316: Rrp 8.1.4 Motor Assy Main (Pl8.1.14)

    Removal and Replacement Procedures (RRPs) RRP 8.1.4 Motor Assy Main (PL8.1.14) Figure 90. Motor Assy Main Removal 10-164 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 317 3. Plug the connector (P/J29) in the Plate Assy Left (RRP 9.1.1). 4. Mount the Cover Left (RRP 1.1.1). 5. Mount the Cover Assy I/F (RRP 1.1.2). 6. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-165 Version 1.0...

  • Page 318: Rrp 8.1.5 Sensor Assy Cru(With2,5,6) (Reference Only)

    Removal and Replacement Procedures (RRPs) RRP 8.1.5 Sensor Assy CRU(with2,5,6) (Reference Only) Figure 91. Sensor Assy CRU Removal 10-166 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 319 Cover Assy I/F (RRP 1.1.2). 8. Mount the 9. Mount the Cover Assy Rear (RRP 1.2.3). Cover Front L/H (RRP 1.1.10). 10. Mount the Cover Assy Front (RRP 1.1.8). 11. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-167 Version 1.0...

  • Page 320: Rrp 9.1.1 Plate Assy Left (Pl9.1.1)

    Removal and Replacement Procedures (RRPs) RRP 9.1.1 Plate Assy Left (PL9.1.1) Figure 92. Plate Assy Left Removal 10-168 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 321 Cover Left (RRP 1.1.1). Cover Assy I/F (RRP 1.1.2). 4. Mount the Cover Front L/H (RRP 1.1.10). 5. Mount the Cover Assy Front (RRP 1.1.8). 6. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-169 Version 1.0...

  • Page 322: Rrp 9.1.2 Fan Assy (Pl9.1.7)

    Removal and Replacement Procedures (RRPs) RRP 9.1.2 Fan Assy (PL9.1.7) Figure 93. Fan Assy Removal 10-170 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 323 Cover Assy I/F (RRP 1.1.2). 8. Mount the Cover Assy Rear (RRP 1.2.3). 9. Mount the Cover Front L/H (RRP 1.1.10). 10. Mount the Cover Assy Front (RRP 1.1.8). 11. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-171 Version 1.0...

  • Page 324: Rrp 9.1.3 Plate Handle (Pl9.1.12)

    Removal and Replacement Procedures (RRPs) RRP 9.1.3 Plate Handle (PL9.1.12) Figure 94. Plate Handle Removal 10-172 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 325 Cover Left (RRP 1.1.1). 5. Mount the Cover Assy I/F (RRP 1.1.2). Cover Front L/H (RRP 1.1.10). 6. Mount the Cover Assy Front (RRP 1.1.8). 7. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-173 Version 1.0...

  • Page 326: Rrp 9.1.4 Pwba Size 1 (Pl9.1.19)

    Removal and Replacement Procedures (RRPs) RRP 9.1.4 PWBA Size 1 (PL9.1.19) Figure 95. PWBA Size 1 Removal 10-174 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 327 Cover Left (RRP 1.1.1). 9. Mount the Cover Assy I/F (RRP 1.1.2). 10. Mount the 11. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 12. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-175 Version 1.0...

  • Page 328: Rrp 9.1.5 Harness Assy Size M (Pl9.1.20)

    Removal and Replacement Procedures (RRPs) RRP 9.1.5 Harness Assy Size M (PL9.1.20) Figure 96. Harness Assy Size M Removal 10-176 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 329 Cover Left (RRP 1.1.1). 9. Mount the Cover Assy I/F (RRP 1.1.2). 10. Mount the Cover Front L/H (RRP 1.1.10). 11. Mount the 12. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-177 Version 1.0...

  • Page 330: Rrp 9.1.6 Size Sensor Housing (With 14-18)(Reference Only)

    Removal and Replacement Procedures (RRPs) RRP 9.1.6 Size Sensor Housing (with 14-18)(Reference Only) Figure 97. Size Sensor Housing Removal 10-178 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 331 Cover Left (RRP 1.1.1). Cover Assy I/F (RRP 1.1.2). 8. Mount the Cover Front L/H (RRP 1.1.10). 9. Mount the Cover Assy Front (RRP 1.1.8). 10. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-179 Version 1.0...

  • Page 332: Rrp 9.1.7 Housing Assy Size Sensor (With13-21)(Reference Only)

    Removal and Replacement Procedures (RRPs) RRP 9.1.7 Housing Assy Size Sensor (with13-21)(Reference Only) Figure 98. Housing Assy Size Sensor Removal 10-180 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 333 Cover Left (RRP 1.1.1). 8. Mount the Cover Assy I/F (RRP 1.1.2). 9. Mount the Cover Front L/H (RRP 1.1.10). 10. Mount the 11. Mount the Cover Assy Front (RRP 1.1.8). HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-181 Version 1.0...

  • Page 334: Rrp 10.1.1 Pwb Ess (Pl10.1.2)

    Removal and Replacement Procedures (RRPs) RRP 10.1.1 PWB ESS (PL10.1.2) Figure 99. PWB ESS Removal 10-182 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 335 3. Secure the 4. Plug the connector to the PWB ESS . 5. Plug the connector to the PWB ESS . Cover Assy I/F (RRP 1.1.2). 6. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-183 Version 1.0...

  • Page 336: Rrp 10.1.2 Harness Assy Oct-M (Pl10.1.4)

    Removal and Replacement Procedures (RRPs) RRP 10.1.2 Harness Assy OCT-M (PL10.1.4) Figure 100. Harness Assy OCT-M Removal 10-184 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 337 Cover Left (RRP 1.1.1). 9. Mount the Cover Assy I/F (RRP 1.1.2). 10. Mount the 11. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 12. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-185 Version 1.0...

  • Page 338: Rrp 10.1.3 Switch Assy I/L Rear (Pl10.1.7)

    Removal and Replacement Procedures (RRPs) RRP 10.1.3 Switch Assy I/L Rear (PL10.1.7) Figure 101. Switch Assy I/L Rear Removal 10-186 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 339 Cover Assy I/F (RRP 1.1.2). 11. Mount the Cover Assy Rear (RRP 1.2.3). 12. Mount the Cover Front L/H (RRP 1.1.10). 13. Mount the Cover Assy Front (RRP 1.1.8). 14. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-187 Version 1.0...

  • Page 340: Rrp 10.1.4 Harness Assy Dup-M (Pl10.1.9)

    Removal and Replacement Procedures (RRPs) RRP 10.1.4 Harness Assy DUP-M (PL10.1.9) Figure 102. harness Assy DUP-M Removal 10-188 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 341 Harness Assy DUP-M to the printer. Harness Assy DUP-M a little from the printer. 22. Detach the harness of Harness Assy DUP-M from the hole in the printer. 23. Draw the harness of HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-189 Version 1.0...
  • Page 342 Fuser Assy (RRP 6.1.3). 20. Mount the 21. Mount the Cover Assy Rear (RRP 1.2.3). Cover Front L/H (RRP 1.1.10). 22. Mount the Cover Assy Front (RRP 1.1.8). 23. Mount the 10-190 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 343 Removal and Replacement Procedures (RRPs) RRP 10.1.4 Harness Assy DUP-M (PL10.1.9) continued Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-191 Version 1.0...

  • Page 344: Rrp 10.1.5 Pwba Conn (Pl10.1.11)

    Removal and Replacement Procedures (RRPs) RRP 10.1.5 PWBA CONN (PL10.1.11) Figure 103. PWBA CONN Removal 10-192 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 345 Cover Left (RRP 1.1.1). 11. Mount the Cover Assy I/F (RRP 1.1.2). 12. Mount the Cover Front L/H (RRP 1.1.10). 13. Mount the Cover Assy Front (RRP 1.1.8). 14. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-193 Version 1.0...

  • Page 346: Rrp 10.1.6 Switch Assy I/L Front (Pl10.1.12)

    Removal and Replacement Procedures (RRPs) RRP 10.1.6 Switch Assy I/L Front (PL10.1.12) Figure 104. Switch Assy I/L Front Removal 10-194 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 347 Cover Left (RRP 1.1.1). Cover Assy I/F (RRP 1.1.2). 8. Mount the Cover Front L/H (RRP 1.1.10). 9. Mount the Cover Assy Front (RRP 1.1.8). 10. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-195 Version 1.0...

  • Page 348: Rrp 10.1.7 Pwba Hkb26 Mcu (Pl10.1.13)

    Removal and Replacement Procedures (RRPs) RRP 10.1.7 PWBA HKB26 MCU (PL10.1.13) Figure 105. PWBA HKB26 MCU Removal 10-196 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 349 21. Unplug the connector (P/J35) from the PWBA HKB26 MCU . PWBA HKB26 MCU to the printer. 22. Remove the four screws securing the PWBA HKB26 MCU from the printer. 23. Remove the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-197 Version 1.0...
  • Page 350 Cover Left (RRP 1.1.1). 21. Mount the Cover Assy I/F (RRP 1.1.2). Cover Front L/H (RRP 1.1.10). 22. Mount the Cover Assy Front (RRP 1.1.8). 23. Mount the 10-198 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 351 Removal and Replacement Procedures (RRPs) RRP 10.1.7 PWBA HKB26 MCU (PL10.1.13) continued Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-199 Version 1.0...

  • Page 352: Rrp 10.1.8 Pwba Hkb 5Vdc (Pl10.1.14)

    Removal and Replacement Procedures (RRPs) RRP 10.1.8 PWBA HKB 5VDC (PL10.1.14) Figure 106. PWBA HKB 5VDC Removal 10-200 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 353 Cover Left (RRP 1.1.1). Cover Assy I/F (RRP 1.1.2). 8. Mount the Cover Front L/H (RRP 1.1.10). 9. Mount the Cover Assy Front (RRP 1.1.8). 10. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-201 Version 1.0...

  • Page 354: Rrp 10.1.9 Pwba Hkb Ps (Pl10.1.17)

    Removal and Replacement Procedures (RRPs) RRP 10.1.9 PWBA HKB PS (PL10.1.17) Figure 107. PWBA HKB PS Removal 10-202 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 355 15. Detach the PWBA HKB PS a little from the printer. PWBA HKB PS to the Main Switch (PL10.1.8) on the printer. 16. Connect the connector (P/J) of HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-203 Version 1.0...
  • Page 356 Cover Left (RRP 1.1.1). 13. Mount the Cover Assy I/F (RRP 1.1.2). 14. Mount the 15. Mount the Cover Front L/H (RRP 1.1.10). Cover Assy Front (RRP 1.1.8). 16. Mount the 10-204 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 357 Removal and Replacement Procedures (RRPs) RRP 10.1.9 PWBA HKB PS (PL10.1.17) continued Blank Page HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-205 Version 1.0...

  • Page 358: Rrp 10.1.10 Main Switch (Pl10.1.18)

    Removal and Replacement Procedures (RRPs) RRP 10.1.10 Main Switch (PL10.1.18) Figure 108. Main Switch Removal 10-206 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 359 Cover Left (RRP 1.1.1). 7. Mount the Cover Assy I/F (RRP 1.1.2). 8. Mount the Cover Front L/H (RRP 1.1.10). 9. Mount the Cover Assy Front (RRP 1.1.8). 10. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-207 Version 1.0...

  • Page 360: Rrp 10.1.11 Pwba Hvps (Pl10.1.20)

    Removal and Replacement Procedures (RRPs) RRP 10.1.11 PWBA HVPS (PL10.1.20) Figure 109. PWBA HVPS Removal(1) Figure 110. PWBA HVPS Removal(2) 10-208 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 361 Shaft 14 (RRP 5.1.10). 12. Mount the Chute MBF Assy (RRP 4.1.1). 13. Mount Cover Front L/H (RRP 1.1.10). 14. Mount the Cover Assy Front (RRP 1.1.8). 15. Mount the HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 10-209 Version 1.0...
  • Page 362 Removal and Replacement Procedures (RRPs) 10-210 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 363 4.2 Plug/Jack (P/J) Connector Location Diagrams ........11-6 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 11-1 Version 1.0...
  • Page 364 Connects PWBA HKB26 MCU and Off- bly OCT-M set Catch Tray. H-39 PWBA HKB26 10.1 PWB ESS 10.1 Connects PWBA HKB26 MCU and PWB ESS. H-33 PWBA HKB26 10.1 11-2 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 365 PWBA HKB 5VDC 10.1 Connects PWBA HKB 5VDC and PWBA HKB PS. Frame Assembly 10.1 Harness Assem- 10.1 Connects Offset Catch Tray and PWBA bly OCT-M HKB26 MCU. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 11-3 Version 1.0...
  • Page 366 PWBA HKB 5VDC 10.1 Harness Assem- 10.1 Connects PWBA HKB 5VDC and PWB bly ESS ESS. I-40 Motor Assembly Motor Asembly Connects Motor Assembly Main and Main Main PWBA HKB26 MCU. 11-4 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 367 PWBA HVPS 10.1 Wire Assembly Connects PWBA HVPS and Chute Trans Assembly. TR E-25 PWBA HVPS 10.1 Wire Assembly TR 6.1 Connects PWBA HVPS and Chute Trans Assembly. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 11-5 Version 1.0...
  • Page 368 Plug/Jack (P/J) Connector Locations 4.2 Plug/Jack (P/J) Connector Location Diagrams 11-6 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 369 Plug/Jack (P/J) Connector Locations HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 11-7 Version 1.0...
  • Page 370 Plug/Jack (P/J) Connector Locations 11-8 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 371 2 is attached to the other end that is plugged into plug 2. 9. A notation "(part of item 1.1)" indicates that the part is included with item 1.2.1 (PL1.2, line item 1). Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-1 Version 1.0...

  • Page 372: Pl1.1 Covers I

    Parts List PL1.1 Covers I 12-2 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 373 TRAY ASSY MBF 53081501 COVER FRONT L/H CHUTE MBF ENV GEAR COVER 50710001 CLIP SPRING EARTH EXIT 2 JOINT SPRING SPRING FRONT 50225901 CLEANING PAD ASSY CONTROL PANEL OVERLAY Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-3 Version 1.0...
  • Page 374 Parts List PL1.2 Covers II 12-4 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 375 50609001 STOPPER GUIDE RAIL DUP L GUIDE RAIL DUP R OVER FACE UP 58261501 KIT CAP ENVELOPE (qty. 2 of item 7) 53081001 COVER ASSY REAR (with 1~9) Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-5 Version 1.0...

  • Page 376: Pl2.1 Paper Cassette I

    Parts List PL2.1 Paper Cassette I 12-6 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 377 GUIDE SIZE L GUIDE ASSY SIDE R LINK BASE CST RACK PINION CASSETTE SUB ASSY [same PL2.21] ACTUATOR CST COVER ACTUATOR LABEL BUTTON LABEL INDICATOR LABEL CST INSTRUCTION Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-7 Version 1.0...

  • Page 378: Pl2.2 Paper Cassette Ii

    Parts List PL2.2 Paper Cassette II 12-8 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 379 HANDLE ASSY CASSETTE SPRING MOTOR HOLDER R HOLDER L 56517001 MOTOR ASSY HOLDER ASSY MOTOR 56734901 CONNECTOR GUIDE SOCKET 58261701 KIT ROLL FEED (qty. 3 of item 8) Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-9 Version 1.0...

  • Page 380: Pl3.1 Paper Feeder

    Parts List PL3.1 Paper Feeder 12-10 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 381 KIT SOCKET & HARNESS (39, 40) (same as ) 58262601 KIT ACTUATOR & SUPPORT (11, 12) 58261801 KIT FEEDER ASSY (1~40) 58261701 KIT ROLL FEED (qty. 3 of item 26) Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-11 Version 1.0...

  • Page 382: Pl4.1 Chute Mbf

    Parts List PL4.1 Chute MBF 12-12 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 383 PLATE ENV ASSY (with 26,27) ....50518101 PAD ASSY PICK UP GUIDE ROLL Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-13 Version 1.0...

  • Page 384: Pl5.1 P/H Assy

    Parts List PL5.1 P/H Assy 12-14 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 385 HARNESS ASSY TONER SENSOR (J42-J421) CUSHION TNS 51115001 SHAFT 14 51243601 GEAR 14 50934401 SPRING REGI L LABEL INLET CLAMP CAP INLET 58261901 KIT TONER SENSOR (with 1~3, 32, 33) Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-15 Version 1.0...

  • Page 386: Pl6.1 Chute Trans & Fuser

    Parts List PL6.1 Chute Trans & Fuser 12-16 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 387 220V FUSER ASSY (with 15) WIRE ASSY DTS WIRE ASSY TR 56736401 120V HARNESS ASSY FUSER-M (J271,J11,J27,J262) 56736501 220V HARNESS ASSY FUSER-M (J271,J11,J27,J262) SPRING BTR L HOLDER BTR THUMB SCREW Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-17 Version 1.0...

  • Page 388: Pl7.1 Exit

    Parts List PL7.1 Exit 12-18 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 389 56517901 MOTOR ASSY EXIT GEAR EXIT-17/47 GEAR EXIT-32 SPRING EARTH EXIT BEARING MID 58262001 KIT BEARING (qty. 6 of item 6) 53352801 CHUTE EXIT ASSY (with 1~17, 19~24) Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-19 Version 1.0...

  • Page 390: Pl8.1 Drive & Xerographics

    Parts List PL8.1 Drive & Xerographics 12-20 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 391 SPRING CLIP 51243701 GEAR ASSY DRIVE 56517501 MOTOR ASSY MAIN ARM GUIDE A SPRING GUIDE A SPRING GUIDE B ARM GUIDE B DUCT ROS DUCT FUSER KIT SENSOR CRU Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-21 Version 1.0...

  • Page 392: Pl9.1 Frame & Size Sensor

    Parts List PL9.1 Frame & Size Sensor 12-22 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 393 HARNESS ASSY FEEDER (J33-J331) SHAFT CAM CAM SW COVER SIZE SENSOR 55086001 PWBA SIZE 1 56735601 HARNESS ASSY SIZE M (J51-P511) HOUSING SIZE SENSOR 58262101 KIT SIZE SENSOR 1 Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-23 Version 1.0...

  • Page 394: Pl10.1 Electrical

    Parts List PL10.1 Electrical 12-24 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 395 PWBA HKB 5VDC 56736101 HARNESS ASSY LVPS (J28-J281) 55086401 PWBA HKB LVPS-120 55086501 PWBA HKB LVPS-230 56214201 MAIN SWITCH 56736201 HARNESS ASSY HVPS (J26-J261) 55086601 PWBA HVPS HOUSING HVPS Hakuba 26PPM Laser Printer - Base Engine Technical Manual 12-25 Version 1.0...
  • Page 396 Parts List 12-26 Hakuba 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 397 HAKUBA Main Component Function ........
  • Page 398 Fan Control ..............13-76 13-2 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 399: The Print Cycle

    Figure 2, on the following page, is both a cut-away side view of the HAKUBA printer that shows the loca- tion of individual components within the printer, and a side view block diagram that shows the major com- ponents that are directly related to the print cycle and to the paper path.
  • Page 400 Principles of Operation Figure 2. Side view block diagram of the print cycle 13-4 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 401 The negative DC voltage creates a uniform negative charge across the surface of the drum. The AC voltage removes any residual DC charge that was left from the previous print cycle. Figure 3. Side view block diagram of the drum charge process HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-5 Version 1.0...
  • Page 402 That point is now dis- charged and slightly less negative, relative to the surrounding negative charge. 13-6 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 403 Magnet Roll, toner transfers from the Magnet Roll to that point on the drum. At this point there is now a visible toner image on the drum surface. Figure 4. Side view block diagram of the development process HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-7 Version 1.0...
  • Page 404 Figure 5. Side view block diagram the transfer process 13-8 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 405 BTR. Once the positive voltage is neutralized, the paper strips easily off of the drum surface. engine po006FA Figure 6. Side view block diagram of the discharge process HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-9 Version 1.0...
  • Page 406 The toner that the Cleaning Blade removes is collected inside the CRU. Toner that is reclaimed from the drum is not reused by the CRU. engine po008FA Figure 8. Side view cutaway of the CRU 13-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 407: The Changes In The Electrical Potential Of The Drum Surface During The Print Cycle

    Principles of Operation The Changes in the Electrical Potential of the Drum Surface During the Print Cycle Figure 9. Drum Image and Corresponding Drum Surface Voltages HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-11 Version 1.0...

  • Page 408: The Paper Path

    Another path is taken if paper is fed from the Multiple-Bypass Feeder (MBF). A third path is taken if paper is fed from the Envelope Feeder Assy option. Figure 10. The Four Possible Paper Paths 13-12 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 409 Principles of Operation Figure 11 is a cut-away side view of the HAKUBA printer that shows the major components that are directly related to the paper path. Figure 11. Cut-away side view of the printer showing the paper path. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-13 Version 1.0...

  • Page 410: The Image Path

    Figure 13 shows the major components that are directly related to the image path. Figure 12. The image path Figure 13. Components directly related to the image path 13-14 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 411: Drive Flow

    Assy, Optional Envelope Feeder Assy. The Motor Assy Exit provides the power needed by the exit compo- nent. The pages following this figure show each drive section in greater detail. Figure 14. A Block Schematic Diagram of Drive Flow Through the Printer HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-15 Version 1.0...

  • Page 412: Drive Transmission To The Roll Assy Mbf

    Gear 14 to the Gear Pick Up that is located on the end of the Shaft Assy MBF. Motor Assy Main Gear14 Gear Pick Up FRONT Gear Assy Main Figure 15. Drive Transmission to the Roll Assy MBF 13-16 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 413: Drive Transmission To The Roll Assy Turn

    Gear Assy Drive to the Clutch Assy Turn. When the Clutch Assy Turn actuates, it transmits the energy to the Roll Assy Turn and the Clutch Assy Feed to be described in the next page. Figure 16. Drive Transmission to the Roll Assy Turn HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-17 Version 1.0...

  • Page 414: Drive Transmission To The Feeder Assy

    Gear Assy Drive, Clutch Assy Turn, idle gears to the Clutch Assy Feed. When the Clutch Assy Turn and the Clutch Assy Feed actuate, it transmits the energy to the Roll Assy of the Feeder Assy. Figure 17. Drive Transmission to the Feeder Assy 13-18 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 415: Drive Transmission To The Roll Regi Rubber

    As shown Figure 18, the mechanical energy created by the Motor Assy Main is transmitted through the Gear Assy Drive to the Clutch Regi that is located on the end of the Roll Regi Rubber. Figure 18. Drive Transmission to the Roll Regi Rubber HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-19 Version 1.0...

  • Page 416: Drive Transmission To The Drum And The Btr

    Drum. The Drum drives the Gear BTR that is located on the end of the BTR Assy. Figure 19. Drive Transmission to the Drum and BTR 13-20 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 417: Drive Transmission To The Fuser Assy

    Gear Assy Drive to the Gear Idler of the Fuser Assy. The Gear Idler transmits energy to the Gear H/R located on the Heat Roll, which transmits energy to the Gear Decurl Roll. Figure 20. Drive Transmission to the Fuser Assy HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-21 Version 1.0...

  • Page 418: Drive Transmission Tothe Exit Components

    Gears (Gear Exit 17). Those Gears are located on the Roll Assy Mid-1 (upper and lower) and the Roll Assy Mid-2 respectively. Figure 21. Drive Transmission to the Exit Components 13-22 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 419: Hakuba Main Component Function

    Principles of Operation HAKUBA Main Component Function The following sections describe the function of the major components of the HAKUBA Laser Printer. 1- Covers (PL1) 6- Chute Trans & Fuser (PL6) 2- Paper Cassette (PL2) 7- Exit (PL7) 3- Paper Feeder (PL3) 8- Drive &...

  • Page 420: Chute Mbf (Pl4)

    MBF. The bottom surface of the Chute MBF serves as part of the paper path for paper fed from the Tray Assy MBF. Figure 22. Components of the Cover Assy Front 13-24 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 421 Plate Assy Bottom conducted by the control signal from the PWBA HKB26 MCU that is triggered by the Sensor Photo: Face Control described in the next page. Figure 23. Components of the Paper Cassette HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-25 Version 1.0...
  • Page 422 Sensor Photo:Face Control Detects the state that the paper level (the position of the top sheet of paper) goes near not so high to be able to feed.This sensor is actuated by the Support Assy Nudger. 13-26 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 423 Principles of Operation Figure 24. Components of the Paper Feeder HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-27 Version 1.0...
  • Page 424 Gear Pick Up located the end of the Shaft Assy MBF. Sensor Photo:Paper Set Detects the existence of the paper on the MBF Tray. Figure 25. Components of the Chute MBF 13-28 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 425 The rotation of these Rolls is controlled by the Clutch Regi, and deter- mines the register position of the paper with the image on the Drum. Figure 26. Components of the P/H Assy HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-29 Version 1.0...

  • Page 426: Chute Trans & Paper (Pl6)

    The Saw electrically neutralizes the paper so it will easily peel away from the drum. This assy then transfers the paper into the Fuser Assy Figure 27Components of the Chute Trans & Fuser (1/2) BTR Chute Assy 13-30 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 427: Exit (Pl7)

    Sensor Exit: Monitors when a sheet of paper passes the paper outlet. The sensor is ON when paper actuates the Actuator Exit of the Sensor Exit. ActuatorExit/Sensor Exit: Monitors when a sheet of paper passes the paper outlet. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-31 Version 1.0...
  • Page 428 Principles of Operation Figure 28. Components of the Chute Trans & Fuser (2/2) Fuser Assy 13-32 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 429 Detects when the face down out is full of paper. This Senor Photo: Exit is also used detect the paper exit. Motor Assy Exit Drives the Roll Assy Mid-1 and the Roll Assy Mid-2. Figure 29. Components of the Exit HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-33 Version 1.0...

  • Page 430: Drive & Xerographics (Pl8)

    Scanner ON. The signals SPI1 and SPI2 select a ratio of frequency divi- sion of the Clock signal. This ratio switches the resolution of the scanned image. The signals are always at HIGH, so the resolution cannot be switched. 13-34 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 431 Principles of Operation Figure 30. Scanner Motor Control Timing HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-35 Version 1.0...
  • Page 432 Principles of Operation Figure 31. Block Schematic Diagram of the Scanner Driver 13-36 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 433 When you use Configuration Mode to adjust laser current, you are adjust- ing VL1 or VL2, so MO equals the value stored in NVRAM. Figure 32. Laser Diode Current Control HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-37 Version 1.0...
  • Page 434 At the end of a print cycle, the BCR applies an AC voltage to the surface of the drum to neutralize any electrical patterns remaining from the last print cycle. Magnet Roll: Distributes toner to the drum surface. 13-38 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 435 CRU is out of the printer or when the Front Cover is open, the drum shutter closes to protect the drum surface from light shock and contami- nation. Figure 34. Components of the Drive & Xerographics HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-39 Version 1.0...
  • Page 436 Principles of Operation Figure 36. CRU Side View and Shutter 13-40 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 437: Frame & Size Sensor (Pl9)

    Cam SW actuated by the Actuator CST of the Cassette Assy. Fan Assy Moves air through the printer interior to prevent heat buildup. Figure 36. Components of Frame & Size Sensor HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-41 Version 1.0...
  • Page 438 OFF and ON. Power Cord Connects the printer to an AC wall outlet. Power Cord types vary depend- ing on the power rating of the printer (110/220VAC). 13-42 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 439 Principles of Operation Figure 37. Electrical Components HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-43 Version 1.0...

  • Page 440: Mcu And Control Panel Functions

    ROM, RAM, a 16 bit integrated timer, a programmable timing pattern controller, a watch dog timer, serial communication interfaces, an A/D converter, a D/A converter, I/O ports, a DMA controller, and a refresh controller. 13-44 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 441 Prefeed: When Controller sends this signal, the printer feeds a sheet of paper to a spot that is just before the registration position, and waits for /START. This signal effective only when /RDY is Low. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-45 Version 1.0...
  • Page 442 The period of the /BD signal is 361.82 s for 600 dpi and 180.91 s for 1200 dpi. Table H-1. Signals that are used between the MCU and the Controller 13-46 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 443: Mcu/Controller Commands And Statuses

    Statuses have a length of one byte. The MSB of each status byte is 0. The LSB is used as the parity bit. The six bits between the MSB and the LSB are the data bits. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-47...

  • Page 444: Command/Status Transmission And Reception Procedure

    (except status 0), the Controller can retransmit the command and declare a fault only after a set number of error returns. The action of the Controller is determined by the specifications of the Controller software. 13-48 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 445: Commands And Status Table

    Life count (bit 5 to bit 0) STATUS 30 REQUEST Requests Status 30 STATUS 30 Printer status SET PAUSE Sets printer in Pause STATUS 0 Printer state mode HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-49 Version 1.0...
  • Page 446 STATUS 0 Printer state (2byte command) operation DIAG STATUS Printer state MEMORY READ Reads settings from STATUS 0 Printer state (2byte command) Non-volatile memory DIAG STATUS Printer state 13-50 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 447 Full stack/ Low paper sensors sensors SNR STATUS1 REQUEST Read out the state of SNR STATUS5 Toner/Units presense sensors sensors Table H-2. Command and status returns for the Controller and MCU HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-51 Version 1.0...

  • Page 448: Timing Sequence For Simplex Printing

    T1=361.82µs for 600dpi, 180.91µs for 1200dpi T2=110ms T3=Dependent on paper size and dot per inch T4=56.730ns for 600dpi, 14.183ns for 1200dpi T5=Approx. about 1.2µs for 600dpi, about 0.6µs for 1200dpi 13-52 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 449: Simplex Page Sequence

    Simplex Page Sequence In Simplex Mode, one side of each sheet of paper is printed according to the corresponding image data for that page. Figure 38. Simplex Page Sequence HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-53 Version 1.0...
  • Page 450 Principles of Operation Simplex Printing Timing engine po042FA 13-54 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 451 Main Aux 1 Aux 2 Env. (Top) (Mid.) (Bot.) Index Card Postcard Monarch Statement Com # 10 B5 (ISO) B5 (JIS) Executive Letter Legal 13" Legal 14" Universal/Custom HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-55 Version 1.0...
  • Page 452 The time between /TOP until Motor Main stops. t6 (sec.) Paper Size Index Card Postcard Monarch Statement Com # 10 B5 (ISO) B5 (JIS) Executive Letter Legal 13" Legal 14" Universal/Custom 13-56 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 453 Principles of Operation t7= The duration while Feed Status is "1". Feeding Tray t7 (sec.) Main Aux1(Middle) Aux2 (Bottom) Env.Feeder HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-57 Version 1.0...

  • Page 454: Timing When The Printer Runs Out Of Paper

    When the MCU receives a signal from the Sensor Photo:No Pap 1, it sets /RDY High; t seconds after paper feed begins. The Controller sends a Status Request to the MCU requesting an out-of-paper state. 13-58 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 455 = The time from when the MCU sets the TOP signal High after the last sheet is fed, to when the MCU notifies the Controller of the error. t varies depending on the paper size. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-59 Version 1.0...

  • Page 456: Timing When Misfeed Jam Occurs

    When misfeed is detected, MCU sets /RDY signal High, and keeps /TOP High. t9= Detection time of misfeed jam. Feeding Tray t9 (sec.) Main Aux1(Middle) Aux2 (Bottom) Env.Feeder 13-60 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 457: Timing When There Is A Registration Jam

    When a registration jam is detected, the MCU sets /RDY to High t seconds after sending /TOP. The MCU stops sending the /BD signal. T10: The time from /TOP signal transmission until REG. Jam 1 occurrence t10 (sec.) HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-61 Version 1.0...

  • Page 458: Timing When There Is An Exit Jam

    4) Timing When There is an Exit Jam When an exit jam is detected, the MCU sets /RDY High t seconds after sending /TOP. The MCU stops sending the /BD signal. 13-62 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 459: Paper Feeder Switching During A Print Cycle

    The Controller uses the SELECT TRAY command to select which paper feeder to use. The Controller then sets /START Low, then High, then back to Low to make the selection effective and to restart printing. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-63...

  • Page 460: Command And Status Timing

    Principles of Operation Command and Status Timing The command/status timing charts are shown in below. 13-64 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 461: Power Supplies

    The LVPS also supplies AC power to the Heat Rod. A circuit, controlled by the Heat ON signal from the MCU, switches power to the Heat Rod. Figure 39. PWBA HKB PS Schematic Block Diagram HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-65 Version 1.0...

  • Page 462: The Hvps (High Voltage Power Supply)

    The HVPS has built-in overcurrent protection. If an excessive current begins to flow in any of the four power supplies, all of the supplies are shut down. Switch the power supply OFF, then ON again to reset the circuit after an overcurrent shutdown. 13-66 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 463: Printer Controls

    Table H-3 shows the paper size regarding Main Tray. Paper Size No Cassette installed Letter B5(JIS) Legal 14" Executive Legal 13" Custom Unknown Table H-3. Paper Size Bit Configuration HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-67 Version 1.0...

  • Page 464: Paper Timing

    E2-1 Specified Time is a time interval from Feed Solenoid actuation to just before Registration Sensor actuation. If the paper actuates the Registration Sensor after the E2-1 Specified Time, a "misfeed" jam occurs, and the printer displays an E2-1 code. 13-68 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 465: E3 Paper Jam Timing

    E3-1 and E3-2 Specified Time are time interval from Sensor Photo:Regi to Exit Sensor of the Fuser Assy. If the paper does not actuate the Exit Sensor before the E3 Specified Time, a "Regi Jam" occurs, and the printer displays an E3-1 or E3-2 code. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-69 Version 1.0...

  • Page 466: E4 Paper Jam Timing

    If the paper does not deactuate the Sensor Photo:Exit before the E4’s Specified Time, a "Exit Jam" occurs, and the printer displays an E4-2 or E4-3 code. 13-70 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 467: Ros Control

    The ROS Motor and the LD are always on. Configuration Mode The ROS Motor is always on. The LD is switched on only when SOS is detected. Printable Area HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-71 Version 1.0...

  • Page 468: Ros Trouble (U2 Error Code)

    SOS signal intervals are shorter than the set Overrun Failure interval after completion of warm-up. The set Overrun Failure is a time interval corresponding to 102% of the rated ROS Motor speed of rotation. 13-72 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 469: Fuser Control

    Open Cover Assy Front • ROS failure (U2) • CPU or NVRAM problem (U6) • Motor Assy Main problem (U1) • Fan problem (U5) • FUSER PAUSE command issued HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-73 Version 1.0...

  • Page 470: Fuser Temperature Cycling

    Fuser control temperature Standby temperature (180 Running temperature (180 Fuser On Temperature Fuser control temperature - 2 Low Trouble Temperature Approximately 155 C (Standby temperature - approximately 25 13-74 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 471: Erase Cycle

    DB (DC) voltages. The Erase Cycle removes any developed image (toner) on the drum, and any latent image (electrical) on the drum. When the Erase Cycle finishes, the printer returns to normal mode and is ready to resume printing. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 13-75 Version 1.0...

  • Page 472: Fan Control

    When printer power is switched on, or when an Interlock Switch is actuated (after being deactuated), the Fan runs at High Speed for one second, then switches to Low Speed. 13-76 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 473 DB9 PWBA HKB26 MCU <=> ROS Assy..........14-26 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-1 Version 1.0...
  • Page 474 Wiring Diagrams and Interconnections Blank Page 14-2 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 475 Each wire in the diagram blocks is tagged with a signal name, and each wire is terminated at both ends with a pin number. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-3...

  • Page 476: Wiring Diagram Notations

    TTL displayed in the HIGH level or LOW level columns of the signal tables indicate the signal is ECL_CMOS compatible. HIGH is approx. 3.3 VDC LOW is approx. 0 to 0.8 VDC 14-4 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 477: Master Wiring Diagram

    Wiring Diagrams and Interconnections Master Wiring Diagram HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-5 Version 1.0...

  • Page 478: Db1 Pwba Hkb26 Mcu <=> Pwba Hkb Ps And Fuser Assy

    Wiring Diagrams and Interconnections DB1 PWBA HKB26 MCU <=> PWBA HKB PS and Fuser Assy 14-6 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 479 Low Low: High speed, High: Low speed FAN ALARM Fan monitor signal. Goes Low when the rotation of the Fan Assy is abnormal (TTL) Low: Abnormal, High: Normal HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-7 Version 1.0...
  • Page 480 Wiring Diagrams and Interconnections DB2 PWBA PS-200(100) <=> Fan Assy, Switch Assy I/L Front, PWBA HKB 5VDC and PWB ESS 14-8 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 481: Db2 Pwba Hkb Ps <=> Fan Assy, Switch Assy I/L Front, Pwba Hkb 5Vdc And Pwb Ess

    The following table shows pin numbers, and voltage levels for the PWBA HKB PS <=> Fan Assy path: Signal Direction HIGH P283 Signal Name Trigger P: PS-200, F: Fan Level Level FAN ALARM F -> P Level 3.3V HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-9 Version 1.0...

  • Page 482: Db3 Pwba Hkb26 Mcu <=> Pwba Hvps <=> Btr, Cru And Fuser Assy

    Wiring Diagrams and Interconnections DB3 PWBA HKB26 MCU <=> PWBA HVPS <=> BTR, CRU, and Fuser Assy 14-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 483 M => H Level Analog DB.DC M => H Level Analog M => H Level Analog TR-A/D M <= H Level Analog TR-D/A M => H Level Analog HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-11 Version 1.0...
  • Page 484 HVPS output to the BCR HVPS output to the BTR (+DC in Transfer operation, and -DC when cleaning the BTR) HVPS output to the DTS HVPS output to the Pressure Roll 14-12 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 485: Db4 Pwba Hkb26 Mcu <=> Fuser Assy

    Wiring Diagrams and Interconnections DB4 PWBA HKB26 MCU <=> Fuser Assy HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-13 Version 1.0...
  • Page 486 Assy path: Signal Direction HIGH P271 Signal Name Trigger Note F: Fuser M: MCU Level Level /EXIT M <= F Level 3.3V STS (A/D) M <= F Level Analog 14-14 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 487: Db5 Pwba Hkb26 Mcu <=> Sensor Photo:exit And Switch Assy I/L Rear

    Wiring Diagrams and Interconnections DB5 PWBA HKB26 MCU <=> Sensor Photo:Exit, and Switch Assy I/L Rear HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-15 Version 1.0...
  • Page 488 E: Sensor Photo:Exit, P301 Signal Name Trigger Switch Assy I/L Rear, Level Level M: MCU /FSTK E => M Level 3.3V 24V EXIT MOT E => M Level 14-16 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 489: Db6 Pwba Hkb26 Mcu <=> Pwba Size 1 <=> Pwba Feeder <=> Sensor Photo:low Paper, Sensor Photo:face Control, Clutch Assy Feed, Clutch Assy Turn And Motor Assy

    Wiring Diagrams and Interconnections DB6 PWBA HKB26 MCU <=> PWBA Size 1 <=> PWBA Feeder <=> Sensor Photo:Low Paper, Sensor Photo:Face Control, Clutch Assy Feed, Clutch Assy Turn and Motor Assy HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-17 Version 1.0...
  • Page 490 Sensor Photo:No Pap 1 is activated. /LOW PAP 1 Signal from the Sensor Photo: Low Paper (equipped on the Feeder).This signal is Low when the Sensor Photo:Low Paper is activated. 14-18 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 491 P => M Level 3.3V /FEED 1 P <= M Level 3.3V /NO PAP 1 P => M Level 3.3V /LOW PAP 1 P => M Level 3.3V HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-19 Version 1.0...
  • Page 492 CF => PF Level P64-1 P641-4 /TRNC(OUT) CT <= PF Level P67-1 P672-7 J673-1 24V I/L MT => PF Level P67-3 P672-4 J673-4 NUD MOTOR MT <= PF Level 3.3V 14-20 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 493: Db7 Pwba Hkb26 Mcu <=> Motor Assy Main, Motor Assy Exit And Sensor Assy Cru

    Wiring Diagrams and Interconnections DB7 PWBA HKB26 MCU <=> Motor Assy Main, Motor Assy Exit and Sensor Assy CRU HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-21 Version 1.0...
  • Page 494 /EXIT A ME <= M Level P29-9 /M RSV MM <= M Level 3.3V P29-8 /MALARM MM => M Level 3.3V P29-7 /MMOT ON MM <= M Level 3.3V 14-22 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 495 Wiring Diagrams and Interconnections DB8 PWBA HKB26 MCU <=> PWBA Conn <=> Sensor Photo:Paper Set, Sensor Photo:Regi, Clutch Regi, Toner Sensor, Solenoid Pick Up HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-23 Version 1.0...
  • Page 496 /REG CL M => CN Level /TONER M <= CN Level 3.3V /EPRS M <= CN Level 3.3V /NOPRE M <= CN Level 3.3V SOLE M => CN Level 14-24 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 497 CN <= TS Level 3.3V P41-6 P411-2 /EPRS CN <= ENV Level 3.3V P41-5 P411-3 /NOPRE CN <= ENV Level 3.3V P41-2 P411-6 SOLE CN <= ENV Level HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-25 Version 1.0...

  • Page 498: Db9 Pwba Hkb26 Mcu <=> Ros Assy

    Wiring Diagrams and Interconnections DB9 PWBA HKB26 MCU <=> ROS Assy 14-26 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 499 P213-1 5VLD M => L Level P21-8 P211-2 /SOS(IN) M <= S Level P21-12 P212-3 /RMOT(OUT) M => R Level 3.3V P21-13 P212-1 /RCLN(OUT) M => R Pulse HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 14-27 Version 1.0...
  • Page 500 Wiring Diagrams and Interconnections Blank Page 14-28 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 501 Options ..............15-13 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 15-1 Version 1.0...

  • Page 502: General Specifications

    Letter size paper. Operating environment with CRU 5 ~ 35°C @ 15% to 85% RH (operating) 0 ~ 3,100 meter above sea level Horizontal bias within 5° of level 15-2 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 503 J5 error message. The MCU notifies the Controller by setting bit 2 of Status 15 (Zero Warning bit) to 1. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 15-3 Version 1.0...

  • Page 504: Safety Standards

    NEMKO, SEMKO, SETI and DEMKO. 100VAC printer: VCCI information Processing Equipment 120VAC printer: FCC part 15 Subpart B, Class B (ANSI C63.4/11.4D) 200/220VAC printer: EN55022 (CISPR Publication 22), Class B 15-4 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 505 (impressions per minute) Letter SEF 26.2 19.2 Legal 13” SEF 21.5 16.3 Legal 14” SEF 21.5 15.9 Executive SEF A4 SEF 24.9 18.1 B5 (JIS) SEF 26.2 19.8 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 15-5 Version 1.0...

  • Page 506: Paper Specifications

    Printer Specifications Paper Specifications The printer uses the following five paper feed methods: 550 Universal Cassette Standard feeder for the HAKUBA printer. Holds up to 550 sheets of the following papers. Type Size (mm x mm) Letter SEF 215.9 x 279.4 Legal 13”...

  • Page 507: Multi-Bypass Feeder (Mbf)

    Envelope 10 sheets Label sheet 30 sheets Envelope Feeder (Optional) Optional feeder for the HAKUBA printer, which enable to feed envelop. The table shows available paper sizes and stack capacity. Paper Size Stackable Capacity Com #10 SEF 75 envelopes (Columbian brand)
  • Page 508 Printer Specifications Duplex Assy (Optional) Optional feeder for the HAKUBA printer, which enable to print on both sides of paper. The table shows available paper sizes. Type Size (mm x mm) Letter SEF 215.9 x 279.4 Legal 13” 215.9 x 330.2 Legal 14”...

  • Page 509: Baseline Paper

    Note: 1. For Pasted-Black (Paper-backed) type, pasting margin shall be in the lead edge (SEF side). 2. Monroe Brand Monarch, Columbian Brand Com #10 or equivalents 3. Japanese Official Postcard (190gsm) or equivalents, excluding multicolored printing media. HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 15-9 Version 1.0...

  • Page 510: Representative Baseline / Standard Paper

    3R1832 3R91805 90gsm Fuji Xerox 3R91854 Note: CST (for Cassette Assy, automatic sensing), CST(M) (for Cassette Assy, manual sensing), MBF (for Multi Bypass Feeder), Dup (for Duplex Assy) 15-10 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...
  • Page 511 Custom 182.0 ~ 215.9 x 257.0 ~ 355.6 Transpar- Letter 215.9 x 279.4 ency Sheet 210.0 x 297.0 Label Media Letter 215.9 x 279.4 Sheet 210.0 x 297.0 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual 15-11 Version 1.0...

  • Page 512: Printing Accuracy

    Fuser Assy (includes replacement BTR) 200,000 prints before replacement Note: Evaluated based on the impression on the A4 paper with 5% coverage in Simplex printing. The Duplex printing is evaluated as two Simplex printing. 15-12 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

  • Page 513: Options

    Printer Specifications Options There are numerous customer installed options available for the HAKUBA printer. The only non-customer installed option (installed only at the factory) is the Toner Sensor. For detailed technical and service information on options, refer to the individual service manuals.
  • Page 514 Printer Specifications Blank page 15-14 HAKUBA 26PPM Laser Printer - Base Engine Technical Manual Version 1.0...

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