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Xerox DocuPrint N2025 Service Manual

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Xerox DocuPrint N2025/N2825
Network Laser Printer Service Manual
721P52440
February 2000
CAUTION
These components are susceptible
to electrostatic discharge. Observe
all ESD procedures to avoid
damage.
This Service Manual contains information
that applies to the DocuPrint N2025/N2825
Laser Printer.
XEROX

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  Summary of Contents for Xerox DocuPrint N2025

  • Page 1 XEROX Xerox DocuPrint N2025/N2825 Network Laser Printer Service Manual CAUTION These components are susceptible to electrostatic discharge. Observe all ESD procedures to avoid damage. 721P52440 February 2000 This Service Manual contains information that applies to the DocuPrint N2025/N2825 Laser Printer.
  • Page 2 Nor does MS-DOS are trademarks of Microsoft Corporation. Univers is a Xerox represent or warrant that it will notify or provide to such customer trademark of Linotype AG or its subsidiaries. WordPerfect is a any future changes to this documentation.
  • Page 3 Safe working procedures and clear warnings concerning precautions to avoid possible exposure must also be included. FM_001 The Laser contained in the DocuPrint N2025/N2825 meets the following standard: Laser class 3B, maximum 5mW, wavelength 780nm. Fuser Hazard The following LASER symbol will be displayed at the start of any This symbol indicates the presence of extreme heat from the procedure where possible exposure to the laser beam exists.
  • Page 4: Table Of Contents

    Introduction The DocuPrint N2025/N2825 Service Manual is the primary document Title - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Page used for repairing and maintaining the DocuPrint N2025/N2825 Laser Printers.
  • Page 5 Parts that are not spared will not have a number listed. Section 6 - General Procedures This section includes the Operations Menu Map and the Service Mode Menu Map. It includes all unique service operations, supplemental tools and supplies. Initial Issue 02/2000 DocuPrint N2025/N2825 Organization...
  • Page 6 This symbol indicates the presence of extreme heat from the Fuser to correct the interference. Assembly. Electrostatic Discharge The following symbols indicates that there are components which are sensitive to damage caused by electrostatic discharge. Initial Issue 02/2000 Terminology and Symbols DocuPrint N2025/N2825...
  • Page 7 Use of controls or adjustments other than those specified in this manual may result in an exposure to dangerous laser radiation. The DocuPrint N2025/N2825 is certified to comply with Laser Product Performance Standards set by the United States Department of Health and Human Services as a Class 1 product.
  • Page 8: Title

    Product: Title: Part Number: DocuPrint N2025/N2825 Laser Printer Xerox DocuPrint N2025/N2825 Network 721P52440 Laser Printer Service Manual Page Revision Page Revision Page Revision Page Revision Page Revision Page Revision Title - - - -2/2000 2-16 - - - - 2/2000...
  • Page 9 6-91 - - - - 2/2000 7-32 - - - - 2/2000 6-12 - - - -2/2000 6-52 - - - - 2/2000 6-92 - - - - 2/2000 7-33 - - - - 2/2000 Initial Issue 02/2000 Revision Control List DocuPrint N2025/N2825...
  • Page 10 Page Revision Page Revision Page Revision Page Revision Page Revision Page Revision Initial Issue 02/2000 Revision Control List DocuPrint N2025/N2825...
  • Page 11: Service Call Procedures

    1 Service Call Procedures 1.0 Introduction ....................... 1.1 Machine Orientation ....................1.2 Call Flow ........................1.3 Initial Actions ......................1.4 Corrective Actions ..................... 1.5 Final Actions......................Initial Issue Service Call Procedures 02/2000 DocuPrint N2025/N2825...
  • Page 12 Service Call Procedures Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 13: Introduction

    1.1 Machine Orientation The Service Call Procedures section is used to identify a suspected problem. This section con- For servicing the DocuPrint N2025/N2825, all references to machine orientation are as illus- tains Call Flow, Initial Actions, Corrective Actions, and Final Actions.
  • Page 14: Call Flow

    Section 5 - Parts Lists (PLs) Section 6 - General Procedures Section 7 - Wiring All service calls start with Initial Actions and all service calls end with Final Actions. Figure 1 Call Flow Diagram Service Call Procedures Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 15: Initial Actions

    Control Panel LED 1 comes on and remains on. Perform RAP 25/ RAP 26. The LCD Panel now displays the Controller Software and Version level (x.xx-xx) (Figure 6). The display indications are correct. Initial Issue Service Call Procedures 02/2000 1.3, 1.4 DocuPrint N2025/N2825...
  • Page 16 Press Enter [4] to print the “Menu Map”. First, “Processing Menu Map” is displayed, immedi- ately followed by “Processing Tray X". The display is correct. There may be a problem with the print drivers. Have the customer contact Xerox Customer Support.
  • Page 17 Figure 3 Figure 9 Figure 4 Figure 10 Figure 5 Figure 11 Figure 6 Figure 7 Figure 12 Figure 8 Initial Issue Service Call Procedures 02/2000 DocuPrint N2025/N2825...
  • Page 18: Final Actions

    Run final prints and verify image quality. For Image Quality problems, go to section 3. Clean the general area. Communicate with the customer to inform them of actions taken and to ensure all prob- lems have been solved. Service Call Procedures Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 19 2-38 RAP 38 Registration Clutch .................... 2-39 RAP 39 Turn Roll Clutch Assembly ................2-40 RAP 40 Tray 1 Feed Solenoid ..................2-41 RAP 41 MBF Feed Solenoid ................... 2-41 Initial Issue Status Indicator Repair Analysis Procedures 02/2000 DocuPrint N2025/N2825...
  • Page 20 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 21: Introduction

    When the indicated corrective action has been completed, go to Section 1 and restart the System Check to verify that the problem has been corrected. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 Introduction, Measurements DocuPrint N2025/N2825...
  • Page 22 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 Introduction, Measurements DocuPrint N2025/N2825...
  • Page 23: Error Code Table

    E5: HCF Cover 2000 Sheet Feeder rear cover interlock Close 2000 sheet feeder rear installed as Tray 3 Rear switch is open cover Go to RAP 65 Initial Issue Status Indicator Repair Analysis Procedures 02/2000 Error Code Table DocuPrint N2025/N2825...
  • Page 24 Go to RAP 8 Printing from 2000 Sheet Feeder: Remove Printery Reg. Sensor is OFF when the tim- Clear Paper Path ing is after receiving Feed_Run sta- tus. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 Error Code Table DocuPrint N2025/N2825...
  • Page 25 Remove PrintCart Go to RAP 7 Registration sensor is actuated at Clear Paper Path power on. Registration is actuated during warm up cycle or an erase cycle. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 Error Code Table DocuPrint N2025/N2825...
  • Page 26 Memory Failure ESS-M Controller memory has failed (32 me on Power Off/On Power Off/On board). Remove Options Replace System Controller PWB (REP 8.1) Go to RAP 12 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 Error Code Table DocuPrint N2025/N2825...
  • Page 27 0103 - DIMM3 DIMM board 3 failure. Go to RAP 47. 2000 - XIE RAM System Controller Xerox Image Enhanced PWPM failure. Replace the System Controller PWB (REP 8.1). 2010 - XIE PWPM System Controller Xerox Image Enhanced PWPM failure.
  • Page 28 Control Panel Message Followed by 1 sec. off Comment 2020 - XIE VDMA System Controller Xerox Image Enhanced VDMA failure. Replace the System Controller PWB (REP 8.1). 3000 - Token Ring Replace the appropriate network card (PL 9.1). 3000 - Serial Replace System Controller PWB (REP 8.1).
  • Page 29: Rap 1 Ac Power

    Check the continuity through all connections of the power cord. The measurement is less than 10 ohms for each connection. Replace the power cord (PL 9.2) as applicable. Figure 1 US, XCI, and AO (115 VAC) Outlet. Perform RAP 2. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 1 DocuPrint N2025/N2825 2-11...
  • Page 30: Rap 2 Dc Power

    P/J161 pin 10 Frame Ground +5.0VDC P/J161 pin 11 Frame Ground +3.3VDC P/J161 pin 3 Frame Ground +24.0VDC All voltages in Table 1 are correct. Go to RAP 3. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 2 2-12 DocuPrint N2025/N2825...
  • Page 31: Rap 3 Dc Power Loading

    P/J12 (Tray 1 Feed head components/Tray 1 Low Paper Sensor) • P/J22 (Registration Clutch) • P/J13 (Feeder 2/3) • P/J17 (Fuser Control PWB / Fuser) • P/J19 (Duplex Assembly/OCT) • P/J18 (HVPS/Registration Sensor) Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 3 DocuPrint N2025/N2825 2-13...
  • Page 32: Rap 4 C3: Tray Error / Insert Tray 1,2,3

    Replace Tray 1 (PL 2.1/ PL 2.2)). If the problem persists, replace the Tray 1 Left Guide Assembly (REP 3.6). Replace the Tray 1 Left Guide Assembly (REP 3.6). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 4 2-14 DocuPrint N2025/N2825...
  • Page 33: Rap 5 C5: Add Paper To Mbf, Tray 1, 2 Or 3)

    Enter Diagnostics and select Component Test. Scroll to Sensor Input Test and press Enter. Manually actuate the MBF No Paper Sensor. The number on the LCD incre- ments each time you press and release the actuator. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 5 DocuPrint N2025/N2825 2-15...
  • Page 34: Rap 6 C5: Top Tray Full

    Enter. Manually actuate the Stack Full Actuator. The number on the LCD increments each time you press and release the actuator. Go to RAP 35. Replace Print Engine Controller PWB (REP 8.5). Remove the paper stack. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 6, RAP 7 2-16 DocuPrint N2025/N2825...
  • Page 35: Rap 8 E2-1: Paper Jam / Misfeed

    Also inspect the return spring for the Tray 1 Feed Roll Shaft Gear. The gears and spring are OK. Replace defective gears or spring. Go to RAP 40. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 8 DocuPrint N2025/N2825 2-17...
  • Page 36: Rap 9 E2-2: Paper Jam/ Misfeed Duplex

    Clean the Detack Saw or Replace the Paper Transport Assembly (REP 4.1) Rotate the Heat Roll Idler Gear. The Heat Roll Idler Gear rotates smoothly. Replace the Fuser Assembly (REP 5.1). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 9, RAP 10 2-18 DocuPrint N2025/N2825...
  • Page 37: Rap 11 E4: Paper Jam / Exit

    Scroll to Exit Motor L press Enter [4]. Observe the Exit Drive Gears and Exit Motor L. The gears rotate smoothly. The Exit Motor L is rotating. Replace Duplex Assembly (REP 9.1). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 10, RAP 11 DocuPrint N2025/N2825 2-19...
  • Page 38: Rap 12 System Controller Isolation

    The printer boots up correctly and Ready is displayed on the Control Panel. Replace the option or cable just installed. Repeat the last step with the next option or cable until the problem is found. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 11, RAP 12 2-20 DocuPrint N2025/N2825...
  • Page 39: Rap 13 J3: Print Cartridge Not In Position - Install/Reset Print Cartridge

    Replace the Print Cartridge Sensor Assembly together with the harness (REP 7.4). Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 13, RAP 14 DocuPrint N2025/N2825 2-21...
  • Page 40: Rap 15 P1: Fuser Pause

    Select and run Tray 1 Feed Solenoid. The Tray 1 Pick Up Gear rotates smoothly. Repair or replace the gears or assembly as necessary (PL 4.2). Go to RAP 29. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 15, RAP 16 2-22 DocuPrint N2025/N2825...
  • Page 41: Rap 17 U2: Ros Fail / Power Off Then On

    Check the voltage between P21-3 and P/J21-1 on the Print Engine Controller PWB. There is +5.0 VDC between P21-3 and P/J21-1. Go to RAP 28. Go to RAP 13. Go to RAP 30. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 17, RAP 18 DocuPrint N2025/N2825 2-23...
  • Page 42: Rap 19 U6: Nvm Fail / Power Off Then On

    The incorrect data is read only. Set the data to the default value. Replace the Print Engine Controller PWB (REP 8.5). Go to RAP 44. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 19, RAP 20 2-24 DocuPrint N2025/N2825...
  • Page 43: Rap 21 Low Paper Tray 1/2/3

    Replace paper tray (PL 2.1/ PL 2.2). If the problem persists, replace the Tray 1 Left Guide Assembly (REP 3.6). Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 21, RAP 22 DocuPrint N2025/N2825 2-25...
  • Page 44: Rap 23 J5 Toner Low

    Toner Sensor. The number on the LCD increments each time you pull down and release the Toner Sensor. Go to RAP 42. Replace the Print Engine Controller PWB (REP 8.5). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 22, RAP 23 2-26 DocuPrint N2025/N2825...
  • Page 45: Rap 24 Inoperative Printer

    Replace the option just installed when the voltage fails. On the System Controller PWB, check the voltage on P/J13 between pins 1 and 2. The volt- age is 5.0VDC. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 24 DocuPrint N2025/N2825 2-27...
  • Page 46: Rap 25 Malfunctioning Lcd/Led

    Switch the printer power on. Check the voltage between pins 1 and 2 on the discon- nected plug. The voltage is 5.0VDC. On the LVPS, check the voltage between P/J168 pins 1 and 2. The voltage is 24.0VDC. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 25 2-28 DocuPrint N2025/N2825...
  • Page 47: Rap 26 Inoperative Keypad

    The customer should contact Customer Support. Replace the Control Panel Assembly (PL 1.1). Go to RAP 44. Replace the System Controller PWB (REP 8.1). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 26, RAP 27 DocuPrint N2025/N2825 2-29...
  • Page 48: Rap 28 Power Supply

    Switch the printer power off. Reconnect one of the disconnected plugs. Switch the printer power on. Measure the voltages listed in Table 1. All the voltages are correct. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 28 2-30 DocuPrint N2025/N2825...
  • Page 49: Rap 29 Main Motor Assembly

    Main Motor still selected, Measure the voltage on the LVPS between P/J161 pin 8 and frame ground. Press the Enter key. The voltage drops from 7.0 VDC to 0 VDC. Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 29 DocuPrint N2025/N2825 2-31...
  • Page 50: Rap 30 Laser Assembly

    Replace the Print Engine Controller PWB (REP 8.5). Measure the voltage between P/J21 pin 3 and frame ground. There +5.0VDC between P/J21 pin 3 and frame ground. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 30 2-32 DocuPrint N2025/N2825...
  • Page 51: Rap 31 Fuser Assembly

    Disconnect P/J17 from the Print Engine Controller PWB. Check for continuity between P17 pin 7 and P17 pin 8. There is continuity between P17 pin 7 and P17 pin 8. Replace the Fuser Harness Assembly (PL 9.2). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 31 DocuPrint N2025/N2825 2-33...
  • Page 52: Rap 32 Registration Sensor

    J125-1 and J121-6 There is continuity between each of the wires. Replace the MBF Combo Harness (PL 4.2). Replace the MBF No Paper Sensor Assembly (REP 2.7). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 32, RAP 33 2-34 DocuPrint N2025/N2825...
  • Page 53: Rap 34 Tray 1 No Paper Sensor

    There is continuity between each of the wires. Replace the MBF Combo Harness (PL 4.2). Replace the Tray 1 No Paper Sensor Assembly (REP 2.7). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 33, RAP 34 DocuPrint N2025/N2825 2-35...
  • Page 54: Rap 35 Stack Full Sensor

    Disconnect P/J501 from the Duplex Interface PWB and P/J19 from the Print Engine Controller PWB. Measure the resistance between P/J501 and P/J19 as follows: • J501-1 and J19-13 • J501-2 and J19-12 • J501-3 and J19-11 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 34, RAP 35 2-36 DocuPrint N2025/N2825...
  • Page 55: Rap 36 E5: Mbf Extended / Insert Mbf

    0.0VDC when the switch is actuated. Replace the MBF Home Switch (REP 3.7). Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 35, RAP 36 DocuPrint N2025/N2825 2-37...
  • Page 56: Rap 37 Size Switch

    4, 3, & 2 0.0VDC 2.3VDC 4 & 2 0.9VDC None 3.3VDC 2.8VDC 3 & 2 1.8VDC All voltages are correct. Replace the Feeder PWB (REP 11.8). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 37 2-38 DocuPrint N2025/N2825...
  • Page 57: Rap 38 Registration Clutch

    Rolls rotate smoothly without stalling or jerking. Replace the Registration Clutch (REP 4.3) or Registration Rolls (Metal - REP 4.4) (Rub- ber - REP 4.5) as necessary. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 38 DocuPrint N2025/N2825 2-39...
  • Page 58: Rap 39 Turn Roll Clutch Assembly

    Enter. The Turn Rolls rotate smoothly without stalling or jerking. Replace the Registration Clutch (REP 4.3) or Turn Roll Assembly (REP 2.4) as nec- essary. Problem Solved. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 39 2-40 DocuPrint N2025/N2825...
  • Page 59: Rap 40 Tray 1 Feed Solenoid

    Tray 1 to the Registration Rolls. Replace the MBF Feed Solenoid (REP 2.8). Replace the Tray 1 Feed Solenoid (REP 2.9). Problem solved. Problem solved. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 40, RAP 41 DocuPrint N2025/N2825 2-41...
  • Page 60: Rap 42 Toner Sensor Assembly

    Check the wires for continuity between P/J181 and P/J18. Repair or replace the harness as necessary. Replace the HVPS (REP 8.2). Replace the HVPS (REP 8.2). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 42, RAP 43 2-42 DocuPrint N2025/N2825...
  • Page 61: Rap 44 Electrical Noise

    Inspect the cables of P174-1 and P174-4 and the right end of the Heater Rod. The cables are attached properly. Attach the cables properly or replace the Fuser Assembly (REP 5.1). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 43, RAP 44 DocuPrint N2025/N2825 2-43...
  • Page 62: Rap 45 0101 - Dimm 1

    Paper Transport Assembly (REP 4.1). • HVPS Harness Assembly (PL 9.2). Replace the System Controller PWB (REP 8.1). Replace the HVPS PWB Assembly (REP 8.2). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 44, RAP 45 2-44 DocuPrint N2025/N2825...
  • Page 63: Rap 46 0102 - Dimm 2

    Replace the System Controller PWB (REP 8.1). Replace the DIMM (PL 9.1). Replace the DIMM (PL 9.1). Replace the System Controller PWB (REP 8.1). Replace the System Controller PWB (REP 8.1). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 46, RAP 47 DocuPrint N2025/N2825 2-45...
  • Page 64 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 46, RAP 47 2-46 DocuPrint N2025/N2825...
  • Page 65: Rap 48 Exit Sensor

    Remove the 500 Sheet Feeder Retard Chute Assembly (REP 11.13). Inspect the retard holder and retard arm for damage. The Retard Chute Assembly is OK. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 48, RAP 49 DocuPrint N2025/N2825 2-47...
  • Page 66: Rap 50 Low Paper Tray 2 (Or Tray 3) 500 Sheet Feeder

    Check for continuity between P/J132 and P/J131 and between P/J131 and P/J13. Repair or replace as necessary. Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 49, RAP 50 2-48 DocuPrint N2025/N2825...
  • Page 67: Rap 51 500 Sheet Feeder Feed Solenoid

    Print Engine Controller PWB Cover (REP 8.5). Switch the printer power on. Measure the voltage between P/J13 pin 4 and frame ground. The voltage changes from 0.0VDC to 3.2VDC. Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 51 DocuPrint N2025/N2825 2-49...
  • Page 68: Rap 52 500 Sheet Feeder Assembly Not Recognized

    P13-9 and P132-8 P/J131 and P/J132 (PL 11.2). • P13-10 and P132-9 • P13-11 and P132-10 Replace the Feeder PWB (REP 11.8) in the top 500 Sheet Feeder. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 52 2-50 DocuPrint N2025/N2825...
  • Page 69: Rap 53 500 Sheet Feeder Feed Motor

    0.0VDC when actuated. Replace the Fuser Assembly (REP 5.1). Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 52, RAP 53 DocuPrint N2025/N2825 2-51...
  • Page 70: Rap 54 C3: Tray Out / Install Tray 2 (Or Tray 3)

    Replace the Print Engine Controller PWB (REP 8.5). Left Guide Assembly (REP 3.6). Replace the Tray 1 Left Guide Assembly (REP 3.6). Replace the Print Engine Controller PWB (REP 8.5). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 54, RAP 55 2-52 DocuPrint N2025/N2825...
  • Page 71: Rap 56 C5: Add Paper To Tray 2 (Or Tray 3)

    Sensor. The voltage is +0.9VDC when deactuated and 2.76VDC when actuated. Check for continuity between P/J132 and P/J131 and between P/J131 and P/J13. Repair or replace as necessary. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 56 DocuPrint N2025/N2825 2-53...
  • Page 72 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 56 2-54 DocuPrint N2025/N2825...
  • Page 73: Rap 57 E7: Duplex Jam

    P/J501 from the Duplex Interface PWB. Check the continuity between the pins as follows: • P501-1 and P19-13 • P501-2 and P19-12 • P501-3 and P19-11 • P501-4 and P19-10 • P501-5 and P19-9 • P501-6 and P19-8 Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 57 DocuPrint N2025/N2825 2-55...
  • Page 74: Rap 58 E5: Top/R Cover

    Interface Harness (PL 9.1) as necessary. Disconnect P/J501 from the Duplex Interface PWB and P/J19 from the Print Engine Controller PWB. Measure the resistance between P/J501 and P/J19 as follows: Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 58, RAP 59 2-56 DocuPrint N2025/N2825...
  • Page 75: Rap 60 Duplex Fail

    Replace the Duplex PWB (REP 9.7). If the problem persists, replace the Duplex Interface PWB (REP 8.3). Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 59, RAP 60 DocuPrint N2025/N2825 2-57...
  • Page 76 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 59, RAP 60 2-58 DocuPrint N2025/N2825...
  • Page 77: Rap 61 C5: Wrong Size For Duplex

    Replace the Turn Drive Assembly (REP 12.5). Run a test print. The E2-1 Error Code cleared. Replace the 2000 Sheet Feeder PWB (REP 12.10). Problem solved. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 61, RAP 62 DocuPrint N2025/N2825 2-59...
  • Page 78: Rap 63 C3: 2000 Sheet Feeder Carriage Not In Position

    Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 63, RAP 64 2-60 DocuPrint N2025/N2825...
  • Page 79: Rap 65 E5: 2000 Sheet Feeder Cvr Open / Please Close Cvr

    There is continuity between all pins measured. Replace the appropriate harness. Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 65, RAP 66 DocuPrint N2025/N2825 2-61...
  • Page 80: Rap 67 C5: Oct Tray Full

    Disconnect P/J501 from the Duplex Interface PWB and P/J19 from the Print Engine Controller PWB. Measure the resistance between P/J501 and P/J19 as follows: • J501-1 and J19-13 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 67 2-62 DocuPrint N2025/N2825...
  • Page 81: Rap 68 E8: Oct Jam

    Press and release the actuator of the OCT Sensor (REP 9.6). The OCT Sensor actu- ates by lifting up the actuator and deactuates by releasing the actuator. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 68 DocuPrint N2025/N2825 2-63...
  • Page 82: Rap 69 E5: Oct Cvr Open / Please Close Cvr

    Replace the OCT Rear Cover Interlock Switch (REP 10.13). Replace the Print Engine Controller PWB (REP 8.5). Replace the Print Engine Controller PWB (REP 8.5). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 69, RAP 70 2-64 DocuPrint N2025/N2825...
  • Page 83: Rap 71 E9: Oct Fail

    Repair or replace the OCT Harness (PL 10.2) or the Duplex interface Harness (PL 9.2). Replace the OCT PWB (REP 10.14). Replace the Print Engine Controller PWB (REP 8.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 71, RAP 72 DocuPrint N2025/N2825 2-65...
  • Page 84: Rap 73 Oct Sensor

    J504 - 7 and J514 - 7 • J504 - 8 and J514 - 8 • J504 - 9 and J514 - 9 There is continuity between each of the pins. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 73 2-66 DocuPrint N2025/N2825...
  • Page 85 IQ RAP 14 Damaged Print ....................3-23 IQ RAP 15 Registration....................3-24 IQ RAP 16 Skips / Smears....................3-25 IQ RAP 17 Unfused Image....................3-25 IQ RAP 18 Resolution ..................... 3-26 Initial Issue Image Quality Repair Analysis Procedures 02/2000 DocuPrint N2025/N2825...
  • Page 86 Image Quality Repair Analysis Procedures Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 87: Image Quality Defect Definitions

    IQ RAP 17 cation. RESOLUTION: At 600 DPI, the two pixel lines and halftone patches cannot IQ RAP 18 be reproduced clearly on the print. Initial Issue Image Quality Repair Analysis Procedures 02/2000 Introduction, Image Quality Defect Definitions DocuPrint N2025/N2825...
  • Page 88: Image Quality Checkout

    Resolution and Uniformity (2 places) (Figure 1) Solid Area Density (3 places) (Figure 1) Half Tone Resolution (2 places). (Figure 1) Go to Solid Area Density. Figure 1 System Controller Test Print. Image Quality Repair Analysis Procedures Initial Issue 02/2000 Image Quality Checkout DocuPrint N2025/N2825...
  • Page 89: Solid Area Density

    Go to IQ RAP 1 Light Prints The Solid Area Density is within specifications. Go to Background. Figure 1 Rating Guide Figure 1 Output Reference Document Initial Issue Image Quality Repair Analysis Procedures 02/2000 Solid Area Density, Background DocuPrint N2025/N2825...
  • Page 90: Deletions (Line, Band, Spots)

    Go to IQ RAP 6 Spot Deletions. Go to IQ RAP 4 Horizontal Deletions. Go to IQ RAP 5 Vertical Deletions. Figure 1 Line, Band, or Spot Deletions. Figure 1 Fusing Quality. Image Quality Repair Analysis Procedures Initial Issue 02/2000 Deletions, Fusing DocuPrint N2025/N2825...
  • Page 91: Resolution

    Go to IQ RAP 18 Resolution. The printed test patterns meet the Resolution specification. Go to the Registration (Side to Side). Figure 1 Registration (Side to Side). Figure 1 Resolution. Initial Issue Image Quality Repair Analysis Procedures 02/2000 Resolution, Registration DocuPrint N2025/N2825...
  • Page 92: Registration (Lead Edge To Trail Edge)

    The printed test patterns meet the Skew specification. Go to the Skips and Smears. Skew. Figure 1 Registration (Lead Edge to Trail Edge). Figure 1 Printer Engine Controller Test Pattern. Image Quality Repair Analysis Procedures Initial Issue 02/2000 Registration, Skew DocuPrint N2025/N2825...
  • Page 93: Skips / Smears

    The prints are free of spots or the spots that are visible fall within the acceptable range. Go to IQ RAP 3 Spots. Go to Other Print Defects. Figure 1 Spots. Figure 1 Skips / Smears. Initial Issue Image Quality Repair Analysis Procedures 02/2000 Skips / Smears, Spots DocuPrint N2025/N2825...
  • Page 94: Other Print Defects

    Inspect Laser beam path between the Laser Assembly and the Drum for obstruc- tions. The laser beam path is free of obstructions. Clean the Laser window and remove any obstructions from the laser beam path. Image Quality Repair Analysis Procedures Initial Issue 02/2000 Other Print Defects, IQ RAP 1 3-10 DocuPrint N2025/N2825...
  • Page 95: Iq Rap 2 Blank Prints

    Reform or clean the Metal Grounding Contact, so it makes better contact with the drum shaft, or replace the Right Print Cartridge Guide (REP 7.2). Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 1, IQ RAP 2 DocuPrint N2025/N2825 3-11...
  • Page 96: Iq Rap 3 Spots

    (BTR). The image on the drum is completely developed; with sharp, black easily read areas and no spots. Go to RAP 43. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 2, IQ RAP 3 3-12 DocuPrint N2025/N2825...
  • Page 97: Iq Rap 4 Horizontal (Scan) Deletions

    Load fresh, dry paper. Run a test print. The problem is still present. Problem solved. Install a new Print Cartridge. The problem is still present. Problem solved. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 3, IQ RAP 4 DocuPrint N2025/N2825 3-13...
  • Page 98: Iq Rap 5 Vertical (Process) Deletions

    Inspect the paper path, between feed and exit, for contamination or obstructions. The paper path is free of obstructions. Remove obstructions or contamination from the paper path. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 4, IQ RAP 5 3-14 DocuPrint N2025/N2825...
  • Page 99: Iq Rap 6 Spot Deletions

    Open the fuser jam access cover. Rotate the fuser idler gear manually and inspect the Pressure Roll. The Heat Roll and the Pressure Roll are free of scratches and contamination. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 5, IQ RAP 6 DocuPrint N2025/N2825 3-15...
  • Page 100: Iq Rap 7 Vertical (Process) Streaks

    Install a new Print Cartridge. Run a Test Print. The vertical streaks are gone. Inspect the laser beam path between the Laser Assembly and the Drum. The laser beam path is free of obstructions. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 6, IQ RAP 7 3-16 DocuPrint N2025/N2825...
  • Page 101: Iq Rap 8 Horizontal (Scan) Streaks

    Reform or clean the Metal Grounding Contact, so it makes better contact with the drum shaft, or replace the Right Print Cartridge Guide (REP 7.2). Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 7, IQ RAP 8 DocuPrint N2025/N2825 3-17...
  • Page 102: Iq Rap 9 Residual Image

    Problem solved. Inspect the BTR Assembly for contamination and wear. The BTR is free of contamination and wear. Replace the BTR Assembly (REP 7.7). Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 8, IQ RAP 9 3-18 DocuPrint N2025/N2825...
  • Page 103: Iq Rap 10 Black Prints

    Shield half of the window of the Laser Assembly. Run a Test Print. The print half white and half black. Go to RAP 43. Go to RAP 30. Problem solved. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 9, IQ RAP 10 DocuPrint N2025/N2825 3-19...
  • Page 104: Iq Rap 11 Background

    Reinstall the assembly so that it is grounded properly. If the problem persists, replace the Paper Transport Assembly (REP 4.1). Clean or replace the Fuser Assembly (REP 5.1). The background is gone. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 11 3-20 DocuPrint N2025/N2825...
  • Page 105: Iq Rap 12 Uneven Density

    Check the Fuser Assembly for worn parts and for contamination on the Fuser Roll or Pressure Roll. The Fuser Assembly is in good condition. Replace the Fuser Assembly (REP 5.1). Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 12 DocuPrint N2025/N2825 3-21...
  • Page 106: Iq Rap 13 Skewed Image

    Check the Duplex assembly. Check for worn parts or rolls. Check for obstructions or con- • Check the feed chute between Tray 3 and Tray 2. Check for tamination. Clean or replace as necessary. obstructions or contamination. Clean as necessary. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 13 3-22 DocuPrint N2025/N2825...
  • Page 107: Iq Rap 14 Damaged Print

    Inspect all of the rolls along the paper path, between the feed tray and the exit tray, for contamination, wear or damage. The paper path rolls are free of contamination, wear, or damage. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 13, IQ RAP 14 DocuPrint N2025/N2825 3-23...
  • Page 108: Iq Rap 15 Registration

    If misregistration occurs across the process direction, replace in sequence as necessary: Laser (PL 8.1), System Controller PWB (REP 8.1). Have the customer send another print job. The print image is properly registered. Have the customer contact the Xerox Customer Support. Problem Solved. Image Quality Repair Analysis Procedures...
  • Page 109: Iq Rap 16 Skips / Smears

    Open the fuser jam access cover. Rotate the fuser idler gear manually and inspect the Pressure Roll. The Heat Roll and the Pressure Roll are free of scratches and contamina- tion. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 16, IQ RAP 17 DocuPrint N2025/N2825 3-25...
  • Page 110: Iq Rap 18 Resolution

    Replace the following, in order, until the defective component is found: Laser Assembly (REP 7.1) then the High Voltage Power Supply (REP 8.2). Problem Solved. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 17, IQ RAP 18 3-26 DocuPrint N2025/N2825...
  • Page 111 REP 10.12 Offset Roller ....................4-61 REP 5.4 Exit Gate Chute ....................4-31 REP 10.13 Rear Cover Interlock Switch ................. 4-61 REP 5.5 Exit Roll Assembly .................... 4-32 REP 10.14 OCT PWB ..................... 4-62 Initial Issue Repair-Adjustment 02/2000 DocuPrint N2025/N2825...
  • Page 112 REP 12.21 No Paper Sensor Actuator................4-87 REP 12.22 Left and Right Side Guides................4-88 REP 12.23 Left and Right Wire Cover ................4-89 REP 12.24 Shaft Cover Assembly .................. 4-90 REP 12.25 Drive Shaft Assembly ................... 4-90 Repair-Adjustment Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 113: Section Contents

    Adjustment The N2025/2825 printer does not contain any field adjustable components. WARNING Use of controls or adjustments other than those specified in this manual may result in an exposure to dangerous laser light. Initial Issue Repair-Adjustment 02/2000 Introduction DocuPrint N2025/N2825...
  • Page 114 Repair-Adjustment Initial Issue 02/2000 Introduction DocuPrint N2025/N2825...
  • Page 115: Rep 1.1 Left Side Cover

    Remove the Right Side Cover (Figure 1). Figure 1 Right Side Cover Replacement Figure 1 Removing the Left Side Cover Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 1.1, REP 1.2 DocuPrint N2025/N2825...
  • Page 116: Rep 1.3 Top Cover Assembly

    Figure 1 Top Cover Assembly Replacement Reinstall the components in the reverse order. NOTE: Carefully reinstall the Top Cover Assembly on the overlapped sections of the Right Side Cover and the Front Cover. Repair-Adjustment Initial Issue 02/2000 REP 1.3 DocuPrint N2025/N2825...
  • Page 117: Rep 1.4 Front Cover

    Reinstall the components in the reverse order. Figure 1 Front Cover Replacement Reinstall the components in the reverse order. Align the two hooks on the Front Cover with the holes in the printer. Initial Issue Repair-Adjustment 02/2000 REP 1.4, REP 1.5 DocuPrint N2025/N2825...
  • Page 118: Rep 1.6 Hvps Cover

    Remove the HVPS Cover (Figure 1). Figure 1 Lower Rear Cover Replacement Reinstall the components in the reverse order. Figure 1 HVPS Cover Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 1.6, REP 1.7 DocuPrint N2025/N2825...
  • Page 119: Rep 1.8 Mbf Gear Cover

    Release the locking tabs and remove the harness from the MBF Cover (Figure 1). Figure 1 MBF Gear Cover Replacement Reinstall the components in the reverse order. Figure 1 Rear Cover Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 1.8, REP 1.9 DocuPrint N2025/N2825...
  • Page 120 Repair-Adjustment Initial Issue 02/2000 REP 1.8, REP 1.9 4-10 DocuPrint N2025/N2825...
  • Page 121: Rep 2.1 Mbf Assembly

    11. Lift the front of the paper handler 1.5 to 2" (38 to 51 mm) and remove the MBF Assembly. Figure 2 Left Tray Stop Figure 3 Right Tray Stop Figure 1 Paper Handler Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 2.1 DocuPrint N2025/N2825 4-11...
  • Page 122: Rep 2.2 Mbf Feed Roll

    NOTE: Arrows of the back side of the feed rolls indicate direction of rotation. Replacement Reinstall the components in the reverse order. Ensure that the tab on the clutch is positioned on the pin on the Paper Handler. Repair-Adjustment Initial Issue 02/2000 REP 2.2, REP 2.3 4-12 DocuPrint N2025/N2825...
  • Page 123: Rep 2.4 Tray 1 Turn Roll Assembly

    Continue to rotate the holder forward until it can be lifted out of the MBF base (Figure 3). Figure 1 Tray 1 Turn Roll Assembly Replacement Reinstall the components in the reverse order. Figure 1 MBF Pick Up Shaft Initial Issue Repair-Adjustment 02/2000 REP 2.4, REP 2.5 DocuPrint N2025/N2825 4-13...
  • Page 124: Rep 2.6 Tray 1 No Paper Sensor Assembly

    Figure 1 Tray 1 No Paper Sensor Assembly Replacement Reinstall the components in the reverse order. Figure 3 MBF Retard Holder Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 2.5, REP 2.6 4-14 DocuPrint N2025/N2825...
  • Page 125: Rep 2.7 Mbf No Paper Sensor Assembly

    Release the two locking tabs on the bottom of the Sensor Assembly and remove the sen- sor (Figure 3). Figure 3 MBF No Paper Sensor Assembly Figure 1 MBF Pick Up Shaft Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 2.7 DocuPrint N2025/N2825 4-15...
  • Page 126: Rep 2.8 Mbf Feed Solenoid

    Remove the screw that secures the Tray 1 Feed Solenoid to the MBF Assembly (Figure Figure 1 Tray 1 Feed Solenoid Figure 1 MBF Feed Solenoid Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 2.8, REP 2.9 4-16 DocuPrint N2025/N2825...
  • Page 127: Rep 2.10 Tray 1 Feed Roll

    The arrows indicate the direction of rotation. NOTE: Note the arrows on the side of the envelope feed rolls. The arrows indicate the direction of rotation. Initial Issue Repair-Adjustment 02/2000 REP 2.10, REP 2.11 DocuPrint N2025/N2825 4-17...
  • Page 128 Repair-Adjustment Initial Issue 02/2000 REP 2.10, REP 2.11 4-18 DocuPrint N2025/N2825...
  • Page 129: Rep 3.1 Retard Chute Assembly

    (Figure 1). Use care not to damage the ground tabs. Figure 1 Rear Chute Assembly Figure 1 Retard Chute Assembly Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 3.1, REP 3.2 DocuPrint N2025/N2825 4-19...
  • Page 130: Rep 3.3 Lower Turn Roll Assembly

    Figure 1 Tray 1 Low Paper Sensor Replacement Reinstall the components in the reverse order. Figure 1 Lower Turn Roll Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 3.3, REP 3.4 4-20 DocuPrint N2025/N2825...
  • Page 131: Rep 3.5 Tray 1 Right Guide Assembly

    14. Use a small screwdriver to pry up on the locking tab that locks the guide assembly to the bottom of the printer (Figure 2). Reinstall the components in the reverse order. 15. Remove the Tray 1 Right Guide Assembly. Figure 1 Paper Level Indicating Arm Initial Issue Repair-Adjustment 02/2000 REP 3.5 DocuPrint N2025/N2825 4-21...
  • Page 132: Rep 3.6 Tray 1 Left Guide Assembly

    Figure 1 Tray 1 Left Guide Assembly Replacement Reinstall the components in the reverse order. NOTE: Ensure that all alignment pins are properly inserted in the frame holes before replacing the six screws. Repair-Adjustment Initial Issue 02/2000 REP 3.6 4-22 DocuPrint N2025/N2825...
  • Page 133: Rep 3.7 Mbf Assembly Position

    Remove the two screws and remove the cover (Figure 1). Release the locking tabs and remove the sensor from the Guide Assembly (Figure 1). Figure 1 MBF Assembly Position Sensor Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 3.7 DocuPrint N2025/N2825 4-23...
  • Page 134 Repair-Adjustment Initial Issue 02/2000 REP 3.7 4-24 DocuPrint N2025/N2825...
  • Page 135: Rep 4.1 Paper Transport Assembly

    14. Guide the high voltage leads through the holes in the printer frame as you remove the Paper Transport Assembly. Figure 1 Paper Transport Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 4.1 DocuPrint N2025/N2825 4-25...
  • Page 136: Rep 4.2 Registration Actuator

    1). Pull the actuator up and out of the Paper Transport Assembly. 13. Remove the spring from the Registration Actuator. Figure 1 Registration Actuator Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 4.2 4-26 DocuPrint N2025/N2825...
  • Page 137: Rep 4.3 Registration Clutch

    Then slide the roll to the left to remove (Figure 1). Figure 1 Metal Registration Roll Replacement Figure 1 Registration Clutch Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 4.3, REP 4.4 DocuPrint N2025/N2825 4-27...
  • Page 138: Rep 4.5 Rubber Registration Roll

    15. Lift the right end of the Registration Roll and remove (Figure 1). Figure 1 Registration Sensor Figure 1 Rubber Registration Roll Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 4.5, REP 4.6 4-28 DocuPrint N2025/N2825...
  • Page 139: Rep 5.1 Fuser Assembly

    Disconnect P/J507 from the Stack Full Sensor (Figure 2). Figure 1 Fuser Assembly Figure 1 Lower Exit Chute Replacement Reinstall the components in the reverse order. NOTE: Install the locating pins first. Initial Issue Repair-Adjustment 02/2000 REP 5.1, REP 5.2 DocuPrint N2025/N2825 4-29...
  • Page 140: Rep 5.3 Stack Full Actuator

    Figure 3 Stack Full Sensor Replacement Reinstall the components in the reverse order. NOTE: The two shoulder screws go in the right end of the Lower Exit Chute Assembly (Figure 1). Repair-Adjustment Initial Issue 02/2000 REP 5.2, REP 5.3 4-30 DocuPrint N2025/N2825...
  • Page 141: Rep 5.4 Exit Gate Chute

    Align the tab on the Gate with the hole in the Rear Cover. Remove the chute (Figure 3). Remove the spring from the chute (Figure 3). Figure 2 Exit Gate Spring Figure 1 Lower Exit Chute Figure 3 Exit Gate Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 5.4 DocuPrint N2025/N2825 4-31...
  • Page 142: Rep 5.5 Exit Roll Assembly

    13. Move the Exit Roll Shaft to the left until the right end is free of the Rear Cover (Figure 4). Remove the Exit Roll. Figure 3 Upper Exit Roll Assembly Figure 1 Lower Exit Chute Repair-Adjustment Initial Issue 02/2000 REP 5.5 4-32 DocuPrint N2025/N2825...
  • Page 143 Figure 4 Lower Exit Roll Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 5.5 DocuPrint N2025/N2825 4-33...
  • Page 144 Repair-Adjustment Initial Issue 02/2000 REP 5.5 4-34 DocuPrint N2025/N2825...
  • Page 145: Rep 6.1 Main Gear Drive Assembly

    12. Remove the eight screws that secure the Gear Assembly to the printer (Figure 2). 13. Remove the Gear Assembly and Motor from the printer (Figure 2). Figure 1 Shield Cover Initial Issue Repair-Adjustment 02/2000 REP 6.1 DocuPrint N2025/N2825 4-35...
  • Page 146: Rep 6.2 Main Motor Assembly

    Remove the three screws that secure the Motor Assembly to the Gear Assembly (Figure Remove the Motor Assembly from the Gear Assembly (Figure 1). Figure 1 Motor Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 6.2 4-36 DocuPrint N2025/N2825...
  • Page 147: Rep 7.1 Laser Assembly

    Replacement Remove the four screws that secure the Laser Assembly to the printer (Figure 2). Reinstall the components in the reverse order. 10. Remove the Laser Assembly. Figure 1 Laser Cover Initial Issue Repair-Adjustment 02/2000 REP 7.1 DocuPrint N2025/N2825 4-37...
  • Page 148: Rep 7.2 Right Print Cartridge Guide Assembly

    14. Guide harnesses through the printer frame as you remove the Right Print Cartridge guide Assembly from the printer. Figure 1 Right Print Cartridge Guide Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 7.2 4-38 DocuPrint N2025/N2825...
  • Page 149: Rep 7.3 Toner Sensor Assembly

    13. Carefully lift the sensor assembly and remove the PJ121 harness assembly that runs through the sensor assembly. 14. Remove the Print Cartridge Sensor Assembly. Figure 1 Toner Sensor Assembly Replacement Reinstall the components in the reverse order. Figure 1 Laser Cover Initial Issue Repair-Adjustment 02/2000 REP 7.3, REP 7.4 DocuPrint N2025/N2825 4-39...
  • Page 150: Rep 7.5 Top Cover Interlock Switch

    Disconnect P/J623 from the Interlock Switch (Figure 1). Remove the switch. Figure 2 Print Cartridge Sensor Replacement Reinstall the components in the reverse order. Figure 1 Top Cover Interlock Switch Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 7.4, REP 7.5 4-40 DocuPrint N2025/N2825...
  • Page 151: Rep 7.6 Left Print Cartridge Guide Assembly

    Remove the Left Guide Link Assembly and Pin Link from the printer (Figure 1). Figure 1 BTR Assembly Replacement Reinstall the components in the reverse order. Figure 1 Left Print Cartridge Guide Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 7.6, REP 7.7 DocuPrint N2025/N2825 4-41...
  • Page 152 Repair-Adjustment Initial Issue 02/2000 REP 7.6, REP 7.7 4-42 DocuPrint N2025/N2825...
  • Page 153: Rep 8.1 System Controller Pwb

    11. Remove the two screws that secure the parallel connector to the frame assembly (Figure 12. Remove the three screws that secures the System Controller PWB to the frame assembly (Figure 3). Remove the System Controller PWB. Figure 2 System Controller PWB Assembly Initial Issue Repair-Adjustment 02/2000 REP 8.1 DocuPrint N2025/N2825 4-43...
  • Page 154: Rep 8.2 Hvps Pwb

    Remove the HVPS PWB. Figure 3 System Controller PWB Replacement Reinstall the components in the reverse order. Figure 1 HVPS PWB Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 8.1, REP 8.2 4-44 DocuPrint N2025/N2825...
  • Page 155: Rep 8.3 Duplex Interface Pwb

    11. Remove the screw that secures the Main Fan to the printer (Figure 1). Remove the fan. Figure 1 Duplex Interface PWB Replacement Reinstall the components in the reverse order. Figure 1 Main Fan Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 8.3, REP 8.4 DocuPrint N2025/N2825 4-45...
  • Page 156: Rep 8.5 Print Engine Controller Pwb

    Print Engine Controller PWB to the right and remove (Figure 3). Figure 2 Print Engine Controller PWB Cover Figure 1 Shield Cover Figure 3 Print Engine Controller PWB Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 8.5 4-46 DocuPrint N2025/N2825...
  • Page 157: Rep 8.6 Lvps Assembly

    Remove the LVPS Fan. Figure 1 LVPS Fan Replacement Figure 1 Low Voltage Power Supply (LVPS) Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 8.6, REP 8.7 DocuPrint N2025/N2825 4-47...
  • Page 158: Rep 8.8 Ac Input Assembly

    Flex the Right Cover out as you remove the AC Input Assembly. Figure 1 Shield Cover Figure 1 AC Input Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 8.8, REP 8.9 4-48 DocuPrint N2025/N2825...
  • Page 159 Figure 2 Print Engine Controller PWB Cover Figure 3 +5 VDC Power Supply Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 8.9 DocuPrint N2025/N2825 4-49...
  • Page 160 Repair-Adjustment Initial Issue 02/2000 REP 8.9 4-50 DocuPrint N2025/N2825...
  • Page 161: Duplex Assembly

    Remove the two screws that secure the Exit Motor to the holder assembly (Figure 1). Figure 1 Duplex Assembly Replacement Reinstall the components in the reverse order. Figure 1 Exit Motor Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 9.1, REP 9.2 DocuPrint N2025/N2825 4-51...
  • Page 162: Rep 9.3 Drive Belt

    Remove the Upper Roll Assembly (Figure 1). Figure 1 Duplex Drive Belt Replacement Reinstall the components in the reverse order. Figure 1 Upper Roll Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 9.3, REP 9.4 4-52 DocuPrint N2025/N2825...
  • Page 163: Rep 9.5 Lower Roll Assembly

    Remove the Lower Roll Assembly (Figure 1). Figure 1 Lower Roll Assembly Replacement Reinstall the components in the reverse order. Figure 1 Sensor Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 9.5, REP 9.6 DocuPrint N2025/N2825 4-53...
  • Page 164: Rep 9.7 Duplex Pwb

    Remove the PWB (Figure 1). Figure 1 Motor Assembly Replacement Figure 1 Duplex PWB Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 9.7, REP 9.8 4-54 DocuPrint N2025/N2825...
  • Page 165: Rep 10.1 Offset Catch Tray (Oct)

    Lift the cover up to remove (Figure 1). Figure 1 Offset Catch Tray Figure 1 OCT Top Cover Replacement Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.1, REP 10.2 DocuPrint N2025/N2825 4-55...
  • Page 166: Rep 10.3 Rear Cover Assembly

    Remove the cover (Figure 1). Figure 1 OCT Front Cover Replacement Reinstall the components in the reverse order. Figure 1 OCT Rear Cover Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 10.3, REP 10.4 4-56 DocuPrint N2025/N2825...
  • Page 167: Rep 10.5 Exit Gate Solenoid

    Reinstall the components in the reverse order. Replacement If replacing the Eliminator Assembly, remove the Stack Full Sensor Actuator (REP 10.8) and place on the new assembly. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.5, REP 10.6 DocuPrint N2025/N2825 4-57...
  • Page 168: Rep 10.7 Stack Full Sensor

    Remove the actuator. Figure 1 Stack Full Sensor Actuator Replacement Reinstall the components in the reverse order. Figure 1 Stack Full Sensor Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 10.7, REP 10.8 4-58 DocuPrint N2025/N2825...
  • Page 169: Rep 10.9 Offset Motor Assembly

    Remove the Drive Motor and bracket (Figure 1). Figure 1 Offset Motor Assembly Replacement Reinstall the components in the reverse order. Figure 1 Drive Motor Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.9, REP 10.10 DocuPrint N2025/N2825 4-59...
  • Page 170: Rep 10.11 Offset Assembly

    12. Remove the two screws that secure the Left Frame Assembly (Figure 1). Remove the Left frame. 13. Remove the Offset Assembly (Figure 1). Replacement Reinstall the components in the reverse order. Ensure that all harnesses are properly routed. Figure 1 Offset Assembly Repair-Adjustment Initial Issue 02/2000 REP 10.11 4-60 DocuPrint N2025/N2825...
  • Page 171: Rep 10.12 Offset Roller

    Remove the roller (Figure 1). Figure 1 Offset Roller Replacement Reinstall the components in the reverse order. Figure 1 Interlock Switch Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.12, REP 10.13 DocuPrint N2025/N2825 4-61...
  • Page 172: Rep 10.14 Oct Pwb

    Remove the two screws that secure the OCT PWB (Figure 1). Remove the PWB. Figure 1 Paper Sensor Replacement Reinstall the components in the reverse order. Figure 1 OCT PWB Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 10.14, REP 10.15 4-62 DocuPrint N2025/N2825...
  • Page 173: Rep 11.1 Printer Removal

    Remove the printer. Figure 1 Front Cover Replacement Reinstall the components in the reverse order. Figure 1 Printer Removal Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.1, REP 11.2 DocuPrint N2025/N2825 4-63...
  • Page 174: Rep 11.3 Left Cover

    Remove the five screws that secure the Right Cover (Figure 1). Remove the cover. Figure 1 Left Cover Figure 1 Right Cover Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 11.3, REP 11.4 4-64 DocuPrint N2025/N2825...
  • Page 175: Rep 11.5 Rear Cover

    Remove the Drive Assembly. Figure 1 Feeder Drive Assembly Replacement Reinstall the components in the reverse order. Figure 1 Rear Cover Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.5, REP 11.6 DocuPrint N2025/N2825 4-65...
  • Page 176: Rep 11.7 Drive Motor

    Remove the two screws that secure the PWB to the printer frame (Figure 1). Remove the PWB. Figure 1 Feeder Drive Motor Replacement Reinstall the components in the reverse order. Figure 1 Feeder PWB Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 11.7, REP 11.8 4-66 DocuPrint N2025/N2825...
  • Page 177: Rep 11.9 Feed Head Assembly

    Push the left locking pin down and slide the left end of the Feed Head forward (Figure 1). Slide the Feed Head forward and remove (Figure 1). Replacement Reinstall the components in the reverse order. Figure 1 Feed Head Assembly Initial Issue Repair-Adjustment 02/2000 REP 11.9 DocuPrint N2025/N2825 4-67...
  • Page 178: Rep 11.10 Feed Rolls

    Figure 1 Feed Rolls Replacement Reinstall the components in the reverse order. NOTE: Note the arrows on the side of the envelope feed rolls. The arrows indicate the direction of rotation. Repair-Adjustment Initial Issue 02/2000 REP 11.10, REP 11.11 4-68 DocuPrint N2025/N2825...
  • Page 179: Rep 11.12 Turn Roll Assembly

    Remove the Turn Roll Assembly (Figure 1). Figure 1 Retard Chute Assembly Replacement Figure 1 Turn Roll Assembly Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.12, REP 11.13 DocuPrint N2025/N2825 4-69...
  • Page 180: Rep 11.14 Left Tray Guide

    Use a small screwdriver to pry up the locking tab (Figure 1). 10. Remove the Left Tray Guide. Replacement Reinstall the components in the reverse order. Figure 1 Left Tray Guide Repair-Adjustment Initial Issue 02/2000 REP 11.14 4-70 DocuPrint N2025/N2825...
  • Page 181: Rep 11.15 Right Tray Guide

    11. Use a small screwdriver to pry up the locking tab (Figure 2). 12. Remove the Right Tray Guide (Figure 2). Figure 2 Right Tray Guide Replacement Reinstall the components in the reverse order. Figure 1 Paper Level Actuator Initial Issue Repair-Adjustment 02/2000 REP 11.15 DocuPrint N2025/N2825 4-71...
  • Page 182: Rep 11.16 Retard Holder Assembly

    10. Remove the shaft (Figure 1). Figure 1 Retard Holder Assembly Replacement Reinstall the components in the reverse order. Figure 1 Turn Roll Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 11.16, REP 11.17 4-72 DocuPrint N2025/N2825...
  • Page 183: Rep 11.18 Paper Size Sensor

    Release the three locking tabs and remove the sensor (Figure 1). Figure 1 Paper Size Sensor Replacement Figure 1 Paper Tray Sensor Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.18, REP 11.19 DocuPrint N2025/N2825 4-73...
  • Page 184: Rep 11.20 No Paper Sensor

    10. Release the three locking tabs and remove the sensor (Figure 3). Figure 3 No Paper Sensor Replacement Figure 1 No Paper Sensor Cover Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 11.20 4-74 DocuPrint N2025/N2825...
  • Page 185: Rep 11.21 No Paper Actuator

    Figure 1 Sensor Cover Figure 1 No Paper Actuator Replacement Reinstall the components in the reverse order. Figure 2 Preregistration Sensor Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.21, REP 11.22 DocuPrint N2025/N2825 4-75...
  • Page 186 Repair-Adjustment Initial Issue 02/2000 REP 11.21, REP 11.22 4-76 DocuPrint N2025/N2825...
  • Page 187: Rep 12.1 Removing Printer From 2000 Sheet Feeder

    If an 500 Sheet Feeder is installed, remove the paper tray, remove the two screws that secure the 500 Sheet Feeder to the 2000 Sheet Feeder, and remove the 500 Sheet Feeder. Replacement Reinstall the components in the reverse order. Figure 1 Removing The Printer Initial Issue Repair-Adjustment 02/2000 REP 12.1 DocuPrint N2025/N2825 4-77...
  • Page 188: Rep 12.2 Left Side Cover

    Remove the cover. Figure 1 Upper Rear Cover Figure 1 Left Side Cover Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 12.2, REP 12.3 4-78 DocuPrint N2025/N2825...
  • Page 189: Rep 12.4 Lower Rear Cover

    Remove the cover (Figure 1). Figure 1 Right Side Cover Figure 1 Lower Rear Cover Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.4, REP 12.5 DocuPrint N2025/N2825 4-79...
  • Page 190: Rep 12.6 Front Cover

    Remove the Tray Assembly (Figure 1). Figure 1 Front Cover Replacement Reinstall the components in the reverse order. Figure 1 Tray Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 12.6, REP 12.7 4-80 DocuPrint N2025/N2825...
  • Page 191: Rep 12.8 Left Foot

    Remove the foot (Figure 1). Figure 1 Left Foot Figure 1 Right Foot Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.8, REP 12.9 DocuPrint N2025/N2825 4-81...
  • Page 192: Rep 12.10 2000 Sheet Feeder Pwb

    Remove the PWB (Figure 1). Figure 1 Tray Lift Motor Assembly Replacement Reinstall the components in the reverse order. Figure 1 2000 Sheet Feeder PWB Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 12.10, REP 12.11 4-82 DocuPrint N2025/N2825...
  • Page 193: Rep 12.12 A4 Paper Size Sensor

    Remove the three screws that secure the defective caster (Figure 1). Figure 1 Paper Size Sensor Replacement Reinstall the components in the reverse order. Figure 1 Casters Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.12 A4, REP 12.13 DocuPrint N2025/N2825 4-83...
  • Page 194: Rep 12.14 Harness Assembly

    Guide the harness through the holes in the frame as you remove it (Figure 1). Figure 1 Drive Assembly Replacement Reinstall the components in the reverse order. Figure 1 Harness Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 12.14, REP 12.15 4-84 DocuPrint N2025/N2825...
  • Page 195: Rep 12.16 Feed, Nudger, And Retard Roll

    Slide the roll off the end of the shaft (Figure 1). Figure 1 Paper Height Sensor Figure 1 Feed, Nudger, and Retard Roll Replacement Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.16, REP 12.17 DocuPrint N2025/N2825 4-85...
  • Page 196: Rep 12.18 Paper Feed Motor Assembly

    Remove the Torsion Spring (Figure 1). Figure 1 Link Stopper Figure 1 Paper Feed Motor Assembly Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 12.18, REP 12.19 4-86 DocuPrint N2025/N2825...
  • Page 197: Rep 12.20 No Paper Sensor

    Remove the actuator from the Actuator Support (Figure 1). Figure 1 No Paper Sensor Figure 1 No Paper Sensor Actuator Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.20, REP 12.21 DocuPrint N2025/N2825 4-87...
  • Page 198: Rep 12.22 Left And Right Side Guides

    Install the side guides in the outboard holes for A4 paper, and in the inboard holes for let- ter paper. Reinstall the components in the reverse order. Figure 1 Tray Assembly Side Guides Repair-Adjustment Initial Issue 02/2000 REP 12.22 4-88 DocuPrint N2025/N2825...
  • Page 199: Rep 12.23 Left And Right Wire Cover

    Remove the two screws that secure the Wire Cover to the Tray Assembly (Figure 1). Pull the top of the cover out and up to remove (Figure 1). Replacement Reinstall the components in the reverse order. Figure 1 Tray Assembly Wire Covers Initial Issue Repair-Adjustment 02/2000 REP 12.23 DocuPrint N2025/N2825 4-89...
  • Page 200: Rep 12.24 Shaft Cover Assembly

    Remove the Drive Shaft Assembly. Figure 1 Drive Shaft Assembly Replacement Reinstall the components in the reverse order. Figure 1 Shaft Cover Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 12.24, REP 12.25 4-90 DocuPrint N2025/N2825...
  • Page 201: Rep 12.26 Brake Assembly

    Ensure the black plastic wire guides are at the top of the pulleys (Figure 1). Reinstall the components in the reverse order. The longer wire goes to the front of the tray. Initial Issue Repair-Adjustment 02/2000 REP 12.26, REP 12.27 DocuPrint N2025/N2825 4-91...
  • Page 202: Rep 12.28 Right Tray Wires

    Ensure the black plastic wire guides are at the top of the pulleys (Figure 1). Reinstall the components in the reverse order. The longer wire goes to the front of the tray. Figure 1 Feed Gears Repair-Adjustment Initial Issue 02/2000 REP 12.28, REP 12.29 4-92 DocuPrint N2025/N2825...
  • Page 203 Figure 2 Retard Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.29 DocuPrint N2025/N2825 4-93...
  • Page 204 Repair-Adjustment Initial Issue 02/2000 REP 12.29 4-94 DocuPrint N2025/N2825...
  • Page 205: Adjustments

    Measure the distance from the left edge of the paper to the left edge of the image and measure the distance from the right edge of the paper to the right edge of the image. These two measurements should be equal. Initial Issue Repair-Adjustment 02/2000 ADJ 1.1 DocuPrint N2025/N2825 4-95...
  • Page 206 Repair-Adjustment Initial Issue 02/2000 ADJ 1.1 4-96 DocuPrint N2025/N2825...
  • Page 207 PL 12.1 2000 Sheet Feeder (1 of 4)................5-22 PL 12.2 2000 Sheet Feeder (2 of 4)................5-23 PL 12.3 2000 Sheet Feeder (3 of 4)................5-24 PL 12.4 2000 Sheet Feeder (4 of 4)................5-25 Duplex PL 13.1 Duplex........................ 5-26 Initial Issue Parts-list 02/2000 DocuPrint N2025/N2825...
  • Page 208 Parts-list Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 209: Parts List

    The capital letters “C”, “E”, and “S” shown in an illustration stand for C-ring, E-ring, and Screw, respectively. A shaded triangle t in an illustration indicates the item is part of an assembly. Initial Issue Parts-list 02/2000 Introduction DocuPrint N2025/N2825...
  • Page 210: Pl 1.1 Covers

    802K04213 Front Cover Assembly (with 18, 22) - - - - - Access Cover Label 3 - - - - - Cover Pop Up Stand 892E08500 Badge 600K76430 Hardware Kit (includes Screw) Parts-list Initial Issue 02/2000 PL 1.1 DocuPrint N2025/N2825...
  • Page 211: Pl 2.1 Paper Tray (A3/Ledger)

    - - - - - Mini Bottom Plate - - - - - Rack (left) - - - - - N/F Center Spring - - - - - Tray Plate 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 2.1 DocuPrint N2025/N2825...
  • Page 212: Pl 2.2 Paper Tray (A4/Letter)

    - - - - - Mini Bottom Plate - - - - - Rack (left) - - - - - N/F Center Spring - - - - - Tray Plate 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 2.2 DocuPrint N2025/N2825...
  • Page 213: Pl 3.1 Paper Feeder

    Retard Lever (P/O item 8) - - - - - Release Spring (P/O item 8) - - - - - Ground Clip 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 3.1 DocuPrint N2025/N2825...
  • Page 214: Pl 4.1 Mbf Assembly

    Gear Kit (includes 6, 16, 17 & PL 4.1B items 23, 24) 600K73122 Feed Roll Assembly Kit (contains 2) 600K73132 Envelope Feed Roll Kit (includes 2) 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 4.1 DocuPrint N2025/N2825...
  • Page 215: Pl 4.2 Paper Handler

    - - - - - Front Cover - - - - - Lower Ground Plate - - - - - Ground Plate - - - - - Retard Pad Holder 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 4.2 DocuPrint N2025/N2825...
  • Page 216: Paper Transport

    Left Bearing (Rubber) 121E84300 Registration Clutch 130E82740 Registration Sensor 600K72231 Actuator Kit (includes items 5 & 6) 22K54452 Bias Transfer Roll 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 5.1 5-10 DocuPrint N2025/N2825...
  • Page 217: Pl 6.1 Rear Cover Assembly

    Stack Full Sensor Assembly (with 15-17) - - - - - Lower Exit Chute - - - - - Exit Flapper 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 6.1 DocuPrint N2025/N2825 5-11...
  • Page 218: Pl 6.2 Fuser

    Exit Spring Ground - - - - - Exit Plate Ground 109R00481 Fuser Assembly 110V (customer purchase) 109R00482 Fuser Assembly 220V (customer purchase) 11E07992 Fuser Latch Handle 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 6.2 5-12 DocuPrint N2025/N2825...
  • Page 219: Pl 7.1 Frame & Drives

    Motor (reference only) (P/O item - - - - - Main Drive Motor Controller PWB (reference only) (P/O item 11) - - - - - Drawer Cover 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 7.1 DocuPrint N2025/N2825 5-13...
  • Page 220: Pl 8.1 Xerographics

    Access Cover Support Arm L (P/O item 21) 32E12382 Print Cartridge Guide (Left) 600K72261 Link Kit (includes 13 x 2, 14, 19) 162K42750 Toner Sensor Harness 162K42730 Print Cartridge Sensor Harness 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 8.1 5-14 DocuPrint N2025/N2825...
  • Page 221: Pl 9.1 Electrical

    - - - - - 8 MB Flash Card 160K71520 Serial PWB 160K71530 10 Base / 2 PWB 160K71540 Token Ring PWB - - - - - Hard Drive 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 9.1 DocuPrint N2025/N2825 5-15...
  • Page 222: Pl 9.2 Electrical

    Inlet (reference only) (P/O item 6) - - - - - PWB (reference only) (P/O item 6) - - - - - Cover (P/O item 6) 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 9.2 5-16 DocuPrint N2025/N2825...
  • Page 223: Pl 10.1 Offsetting Catch Tray (1 Of 2)

    OCT Sub Assembly (same as PL 14.2, item 1) 48E65422 Front Cover 50E88851 OCT Tray 48E64831 Gate Cover 121K18871 Exit Gate Solenoid Assembly - - - - - OCT Flapper 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 10.1 DocuPrint N2025/N2825 5-17...
  • Page 224: Pl 10.2 Offsetting Catch Tray (2 Of 2)

    OP STK COV Harness Assembly (J524-J525) 110E93440 Rear Cover Interlock Switch - - - - - Clamp - - - - - OCT PWB 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 10.2 5-18 DocuPrint N2025/N2825...
  • Page 225: Pl 11.1 500 Sheet Feeder (1 Of 3)

    Torsion Spring (P/O item 2) (P/O item 7) - - - - - Pinch Roll (P/O item 2) (P/O item 7) 802E03091 Right Cover - - - - - Label 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 11.1 DocuPrint N2025/N2825 5-19...
  • Page 226: Pl 11.2 500 Sheet Feeder (2 Of 3)

    - - - - - Shaft Plate 15K39471 Drive Assembly (with 33-36) - - - - - Motor Assembly 600K72200 No Paper Sensor Kit 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 11.2 5-20 DocuPrint N2025/N2825...
  • Page 227: Pl 11.3 500 Sheet Feeder (3 Of 3)

    - - - - - Tray 1 Arm L - - - - - Tray 1 Cap - - - - - Saddle Edge 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 11.3 DocuPrint N2025/N2825 5-21...
  • Page 228: Pl 12.1 2000 Sheet Feeder (1 Of 4)

    2000 Sheet Feeder Frame & Drive Assembly (reference only) - - - - - 2000 Sheet Feeder Tray Assembly - - - - - Screw - - - - - Foot 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 12.1 5-22 DocuPrint N2025/N2825...
  • Page 229: Pl 12.2 2000 Sheet Feeder (2 Of 4)

    2000 Sheet Feeder Drive Assembly 54K14725 Chute Feed Out Assembly - - - - - Saddle Edge 110E93440 Drawer In Interlock Switch 110E93440 Rear Cover Interlock Switch 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 12.2 DocuPrint N2025/N2825 5-23...
  • Page 230: Pl 12.3 2000 Sheet Feeder (3 Of 4)

    - - - - - Bearing 600K78450 No Paper Actuator Kit (includes 21, 600K78430 2000 Sheet Feeder Gear Kit (includes 14, 15, 16) 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 12.3 5-24 DocuPrint N2025/N2825...
  • Page 231: Pl 12.4 2000 Sheet Feeder (4 Of 4)

    & 9) 600K78520 2000 Sheet Feeder Elevator Shaft Kit (includes 18, 19, 20) 600K78510 Drive Gear Kit (includes 14, 15, 16) 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 12.4 DocuPrint N2025/N2825 5-25...
  • Page 232: Pl 13.1 Duplex

    - - - - - Duplex PWB - - - - - Duplex Motor Assembly 600K72270 Kit (includes item 12 x 6 pieces, 14, 600K76430 Hardware Kit (Includes E-ring) 600K76430 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 13.1 5-26 DocuPrint N2025/N2825...
  • Page 233 GP 5.15 Exit Assembly and Fuser .................. 6-69 GP 5.16 Frame and Drive ....................6-71 GP 5.17 Xerographics..................... 6-72 GP 5.18 Electrical ......................6-73 GP 5.19 Power Supply....................6-75 GP 5.20 Printer Controls ....................6-76 Initial Issue General Procedures / Information 02/2000 DocuPrint N2025/N2825...
  • Page 234 General Procedures / Information Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 235: Gp 1.1 Introduction

    Install provides the procedures required to install the machine and options. The Principles of Operation have been added to provide additional machine operation theory and information to help in resolving obscure machine faults. Initial Issue General Procedures / Information 02/2000 GP 1.1 DocuPrint N2025/N2825...
  • Page 236 General Procedures / Information Initial Issue 02/2000 GP 1.1 DocuPrint N2025/N2825...
  • Page 237: Gp 2.1 Printer Specifications

    9.2 Special Purpose Printing Media Table 12 • 9.3 Paper Feedable from the Universal Paper Cassettes Table 13 10. Printing Accuracy Table 14 11. Components to Be Replaced Periodically Table 15 12. Options Table 16 Initial Issue General Procedures / Information 02/2000 GP 2.1 DocuPrint N2025/N2825...
  • Page 238 Paper storing capacity MBF Feeder 1 Feeder 2* Feeder 3* (*Optional)150 + 500 + 500 + 500 † Sheets of standard paper (Xerox 4024DP 20lb paper or FX L paper) Delivery Tray capacity About 500 printed sheets of fresh paper*1 under the normal condi-...
  • Page 239 Either 600,000 prints on Letter size paper (LEF) or 5 years which comes earlier † A double-sided print is counted as two prints. Life of Paper Feeder 600K for each-500 sheet & 2000 sheet feeders Initial Issue General Procedures / Information 02/2000 GP 2.1 DocuPrint N2025/N2825...
  • Page 240 * Factory set option † Supported paper is 64 to 176 gsm in weight. The N2025/N2825 printer has the following five print media feeding means. Long Cassette [500-sheet universal cassette] (Optional) General Procedures / Information Initial Issue 02/2000 GP 2.1 DocuPrint N2025/N2825...
  • Page 241 (150 sheets for standard paper) Label sheet: 30 sheets Japanese official postcard: 75 sheets Envelope: 10 sheets Transparent film: 30 sheets 9. Printing Media 9.1 Standard Paper • XEROX 4024DP 20 lb Letter (LEF) • RX 80gsm Initial Issue General Procedures / Information 02/2000 GP 2.1...
  • Page 242 Long cassette (500-sheet universal cassette) Can hold regular size cut sheets up to the A3/ Ledger size. Short cassette (500-sheet universal cassette) Can hold regular size cut sheets up to the A4/ Letter size. General Procedures / Information Initial Issue 02/2000 GP 2.1 6-10 DocuPrint N2025/N2825...
  • Page 243: Gp 2.2 500 Sheet Feeder Specification

    500 Sheet Feeder. 1.2 Electrical Characteristics 1.2.1 Power Supply The feeder assembly operates on the following two power supplies from the base N2025/ N2825 laser printer engine. Initial Issue General Procedures / Information 02/2000 GP 2.1, GP 2.2 DocuPrint N2025/N2825 6-11...
  • Page 244 • Feed Roll Assembly • Turn Roll Assembly • Turn Roll Assembly L General Procedures / Information Initial Issue 02/2000 GP 2.2 6-12 DocuPrint N2025/N2825...
  • Page 245: Gp 2.3 Duplex Assembly Specifications

    1.4.5 Continuous Printing Speed 1.5 Paper 1.5.1 Paper Sizes 1.5.2 Kinds of Paper 1.6 Periodical Replacement Parts 1.7 Environment 1.7.1 Noise Levels with Duplex Assembly Installed Initial Issue General Procedures / Information 02/2000 GP 2.2, GP 2.3 DocuPrint N2025/N2825 6-13...
  • Page 246 The Duplex Assembly operates on the following two power supplies from the base N2025/ (LEF), B5 (LEF), Executive (LEF) N2825 laser printer engine. B5 (SEF), Letter (SEF), A4 (SEF) 15.8 PPM 15.8 PPM 15.8 PPM • 24 VDC (for motors) General Procedures / Information Initial Issue 02/2000 GP 2.3 6-14 DocuPrint N2025/N2825...
  • Page 247 NOTE: Long roll specifications represent special options subject to the conditions of the • Belt 160 S2M OEM contract with Fuji Xerox. NOTE: Although we make no replacement part recommendations for users of standard NOTE: In the above tables, SEF indicates feeding from the short edge of paper (a.k.a.
  • Page 248: Gp 2.4 Offsetting Catch Tray Specifications

    1.3 Physical Specifications 1.3.1 OCT Assembly Dimensions and Weight 1.4 Function 1.4.1 OCT Function 1.4.2 Offset Function 1.5 Paper 1.5.1 Paper Sizes 1.6 Periodical Replacement Parts Figure 1 Basic Components General Procedures / Information Initial Issue 02/2000 GP 2.4 6-16 DocuPrint N2025/N2825...
  • Page 249 (landscape) sheets, we expect the replacement interval for users of nonstandard sizes, A3 sheets, etc. to be less than half that for users of standard A4 (landscape) sheets. (Note that duplex printing is counted as two pages.) Initial Issue General Procedures / Information 02/2000 GP 2.4 DocuPrint N2025/N2825 6-17...
  • Page 250: Gp 2.5 2000 Sheet Feeder Specifications

    64gsm ~ 200gsm 1.4.2 Supported Paper 1.4.3 Maximum Paper Stacking Ability 1.4.3 Maximum Paper Stacking Ability 2000 sheets (Xerox 4024 DP 20 lb(75gsm), RX, or FX L(64gsm)) 1.5 Replacement Parts 1.5 Replacement Parts 1.6 Environment The 2000 Sheet Feeder does not have any components that need to be regularly replaced.
  • Page 251: Gp 3.1 Control Panel Hardware

    GP 3.1 Control Panel Hardware Figure 1 Control Panel Control Panel Character Set Initial Issue General Procedures / Information 02/2000 GP 3.1 DocuPrint N2025/N2825 6-19...
  • Page 252 The International Character set supported by the N2025/N2825 Control Panel Display (Figure Figure 2 Control Panel Character Set General Procedures / Information Initial Issue 02/2000 GP 3.1 6-20 DocuPrint N2025/N2825...
  • Page 253: Gp 3.2 Functional Overview

    - If in the Password menu, and the display indicates "Enter Password," press- ing this key causes a password digit "1" to be entered. ing this key causes a password digit "3" to be entered. Initial Issue General Procedures / Information 02/2000 GP 3.2 DocuPrint N2025/N2825 6-21...
  • Page 254 With the exception of the Password menu, navigating through all other menus have the follow- ing display format and key press sequence. This sequence assumes starting from an On-line Ready state. General Procedures / Information Initial Issue 02/2000 GP 3.2 6-22 DocuPrint N2025/N2825...
  • Page 255 Pressing the Enter key will cause the current value to be loaded in NVM. The display returns to the current menu on the top line and the current item on the bottom line. Example 2 - Initial Issue General Procedures / Information 02/2000 GP 3.2 DocuPrint N2025/N2825 6-23...
  • Page 256: Gp 3.3 Menu Maps

    Control Panel when locked: • Job Menu • Password Menu • Tray Menu • Print Menu • Reset Menu Figure 1 Job Menu/Print Menu/Reset Menu General Procedures / Information Initial Issue 02/2000 GP 3.2, GP 3.3 6-24 DocuPrint N2025/N2825...
  • Page 257 Figure 2 Password Menu Initial Issue General Procedures / Information 02/2000 GP 3.3 DocuPrint N2025/N2825 6-25...
  • Page 258 Figure 3 Tray Menu General Procedures / Information Initial Issue 02/2000 GP 3.3 6-26 DocuPrint N2025/N2825...
  • Page 259 Figure 4 PCL Menu Initial Issue General Procedures / Information 02/2000 GP 3.3 DocuPrint N2025/N2825 6-27...
  • Page 260 Figure 5 System Menu General Procedures / Information Initial Issue 02/2000 GP 3.3 6-28 DocuPrint N2025/N2825...
  • Page 261 Figure 6 Parallel Menu Figure 7 Serial Menu Initial Issue General Procedures / Information 02/2000 GP 3.3 DocuPrint N2025/N2825 6-29...
  • Page 262 Figure 8 USB Menu General Procedures / Information Initial Issue 02/2000 GP 3.3 6-30 DocuPrint N2025/N2825...
  • Page 263 Figure 9 Ethernet Menu Initial Issue General Procedures / Information 02/2000 GP 3.3 DocuPrint N2025/N2825 6-31...
  • Page 264 Figure 10 Token Ring Menu General Procedures / Information Initial Issue 02/2000 GP 3.3 6-32 DocuPrint N2025/N2825...
  • Page 265 Figure 11 Novell Menu Initial Issue General Procedures / Information 02/2000 GP 3.3 DocuPrint N2025/N2825 6-33...
  • Page 266 Figure 13 Reset Menu Figure 12 Print Menu General Procedures / Information Initial Issue 02/2000 GP 3.3 6-34 DocuPrint N2025/N2825...
  • Page 267: Gp 3.4 Menu Details (Alphabetically)

    It may be manually set to “Millimeters” at the Control Ethertalk Enable - Menu setting in the Ethernet menu to enable the Ethertalk protocol. Panel or via a PJL command. Initial Issue General Procedures / Information 02/2000 GP 3.4 DocuPrint N2025/N2825 6-35...
  • Page 268 “Yes” via the Value keys. The display indicates “Please Wait” on the bottom line while this action is being processed, and returns to “Ready” when the action is complete. General Procedures / Information Initial Issue 02/2000 GP 3.4 6-36 DocuPrint N2025/N2825...
  • Page 269 Pitch - Menu setting for the pitch when the default font already selected is a scalable fixed pitch font. Serial PDL - Menu setting for the default emulation for the Serial port. Initial Issue General Procedures / Information 02/2000 GP 3.4 DocuPrint N2025/N2825 6-37...
  • Page 270: Gp 3.5 Non-Menu Control Panel States

    "Canceling Job" message and manu selections. The "job name" appears on the second line if a name was supplied with the PJL "JOB" command. General Procedures / Information Initial Issue 02/2000 GP 3.4, GP 3.5 6-38 DocuPrint N2025/N2825...
  • Page 271 Tray menu to match the requested paper type. The following state transition diagrams show the normal processing of data without jams or out of paper situations or interaction such as entering menus or performing resets. Initial Issue General Procedures / Information 02/2000 GP 3.5 DocuPrint N2025/N2825 6-39...
  • Page 272 "Value" keys are pressed, scrolling through the available sizes Bottom Line: Legal, Plain and types. 1200 Quality/ 1200 "Value" Key Pressed Top Line: Print Using 1200 Bottom Line: Letter, Plain General Procedures / Information Initial Issue 02/2000 GP 3.5 6-40 DocuPrint N2025/N2825...
  • Page 273 Table 4 Imaging Parameter Relationship Control Panel Setting Setting Used During Imaging 1200 Quality/ 1200 1200 Quality/ 1200 1200 1200 Quality/ 1200 Initial Issue General Procedures / Information 02/2000 GP 3.5 DocuPrint N2025/N2825 6-41...
  • Page 274 General Procedures / Information Initial Issue 02/2000 GP 3.5 6-42 DocuPrint N2025/N2825...
  • Page 275: Gp 4.1 System Controller Error Codes

    DIMM board 2 failure DIMM 3 0103 0103 - DIMM3 DIMM board 3 failure XIE RAM 2000 2000 - XIE RAM Xerox Image Enhancement RAM is part of the ASIC Expansion Slot 3000 3000 - TOKEN- Token Ring card failure RING Memory...
  • Page 276: Gp 4.3 Iot Diagnostics

    The IOT diagnostic mode menu has the following selections: “COMPONENT TEST”, “NVM CONFIG”, and “TEST PRINT”. GP 4.4 Test Print GP 4.5 NVM Config GP 4.6 Component Test General Procedures / Information Initial Issue 02/2000 GP 4.3 6-44 DocuPrint N2025/N2825...
  • Page 277 The following table summarizes the operation of the Control Panel keys in IOT Diagnostics Mode (Figure 1). Figure 1 Diagnostic Menu Initial Issue General Procedures / Information 02/2000 GP 4.3 DocuPrint N2025/N2825 6-45...
  • Page 278 Front Tray Opt Read Cassette Sw BT 0 Read/Write Cassette Sw BT 1 Read/Write Cassette Sw BT 2 Read/Write Cassette Sw BT 3 Read/Write Process Tray 1 Read/Write General Procedures / Information Initial Issue 02/2000 GP 4.4, GP 4.5 6-46 DocuPrint N2025/N2825...
  • Page 279: Gp 4.6 Component Test

    OUTPUT TRAY 2 or TRAY TRAY 3 FEED SOL OUTPUT TRAY 3 or 2000 sheet feeder EXIT GATE SOL OUTPUT TURNROLL CLUTCH OUTPUT REG CLUTCH OUTPUT Initial Issue General Procedures / Information 02/2000 GP 4.5, GP 4.6 DocuPrint N2025/N2825 6-47...
  • Page 280: Gp 4.7 Fuser Replacement Strategy

    OUTPUT MBF TRAY SIZE OUTPUT TRAY 1 SIZE OUTPUT TRAY 2 SIZE OUTPUT TRAY 3 SIZE OUTPUT NOTE: * Pressing "0" key shuts off all motors. General Procedures / Information Initial Issue 02/2000 GP 4.6, GP 4.7 6-48 DocuPrint N2025/N2825...
  • Page 281: Gp 4.8 System Controller Diagnostics

    System Administrator (delivered in 2.0 platform) – Capability to query printer for Configuration Sheet, NVM Log, Fault History Log to prescribed printer address. – Email capability Initial Issue General Procedures / Information 02/2000 GP 4.8 DocuPrint N2025/N2825 6-49...
  • Page 282 General Procedures / Information Initial Issue 02/2000 GP 4.8 6-50 DocuPrint N2025/N2825...
  • Page 283: Gp 5.1 Print Process Overview

    Figure 2 Print Process and Paper Transportation Initial Issue General Procedures / Information 02/2000 GP 5.1 DocuPrint N2025/N2825 6-51...
  • Page 284 Laser. General Procedures / Information Initial Issue 02/2000 GP 5.1 6-52 DocuPrint N2025/N2825...
  • Page 285 Magnet Roll. The invisible electrostatic latent image on the drum surface is thus developed into a visible toner image. Figure 4 Exposure Development (1/2) Initial Issue General Procedures / Information 02/2000 GP 5.1 DocuPrint N2025/N2825 6-53...
  • Page 286 The positively charged paper sticks to the drum surface because it is attracted by the neg- ative charge on the drum surface. General Procedures / Information Initial Issue 02/2000 GP 5.1 6-54 DocuPrint N2025/N2825...
  • Page 287 Figure 7 Transfer Process Detack Figure 8 Detack This step helps the paper peel off the drum surface Figure 8. Fuse This step permanently fixes the toner image to the paper. Initial Issue General Procedures / Information 02/2000 GP 5.1 DocuPrint N2025/N2825 6-55...
  • Page 288: Gp 5.2 Paper Transportation

    BTR to clean the BTR surface by transferring any toner which has stuck Figure 1 Paper Path to the BTR during the previous printing operation to the drum surface. General Procedures / Information Initial Issue 02/2000 GP 5.1, GP 5.2 6-56 DocuPrint N2025/N2825...
  • Page 289: Gp 5.3 Print Image Creation

    Print Cartridge. As the result, and electrostatic latent image is produced on the drum surface Figure 1. Figure 2 Paper Path Components Figure 1 Print Image Creation Initial Issue General Procedures / Information 02/2000 GP 5.2, GP 5.3 DocuPrint N2025/N2825 6-57...
  • Page 290: Gp 5.4 Drive Power Transmission

    The drive power transmitted to the Fuser Assembly drives the Heat Roll and the Drive Roll Assembly Fuser. The power is further transmitted to the Roll Assembly Exit through the Decurler Gear. Figure 1 Drive Power Gear Assembly General Procedures / Information Initial Issue 02/2000 GP 5.4 6-58 DocuPrint N2025/N2825...
  • Page 291: Gp 5.5 Drive Power Transmission To The Mbf Feed Roll Assembly (Or Cst) (1 Of 2)

    MBF Feed Roll Assembly (or ENV) rotates one turn and feeds one sheet of paper from the MBF (or the Cassette Assembly) into the printer. Figure 1 Drive to Feed Roll Assembly Figure 1 Drive to MBF Feed Roll Assembly Initial Issue General Procedures / Information 02/2000 GP 5.5, GP 5.6 DocuPrint N2025/N2825 6-59...
  • Page 292: Gp 5.7 Drive Power Transmission To The Turn Roll Assembly

    Clutch Assembly to the Gear Turn and the Rolls on the same shaft as the Turn Clutch Assem- bly are put on. Figure 2. Figure 2 Drive to Feed Roll Assembly Figure 1 Drive to Turn Roll Assembly General Procedures / Information Initial Issue 02/2000 GP 5.7 6-60 DocuPrint N2025/N2825...
  • Page 293: Gp 5.8 Drive Power Transmission To The Registration Rolls

    The drive power is further transmitted through the Rubber Registration Gear to the Metal Reg- istration Gear (the Metal Registration Roll). Figure 2 Registration Rolls Figure 1 Drive to Registration Rolls Initial Issue General Procedures / Information 02/2000 GP 5.8 DocuPrint N2025/N2825 6-61...
  • Page 294: Gp 5.9 Drive Power Transmission To The Drum And The Btr Assembly

    Main Gear Assembly: Figure 1 & Figure 2 The drive power is further transmitted from the drum to the BTR Assembly. Figure 1 Drum and BTR Drives Figure 2 Drum and BTR Drives General Procedures / Information Initial Issue 02/2000 GP 5.9 6-62 DocuPrint N2025/N2825...
  • Page 295: Gp 5.10 Drive Power Transmission To The Fuser And The Exit Roll Assembly

    The drive power transmitted to the H/R Gear is further transmitted to the Gear Assembly C/G (Exit Assembly) through the Decurler Gear. Figure 1 Fuser and Exit Roll Drives Figure 2 Fuser and Exit Roll Drives Initial Issue General Procedures / Information 02/2000 GP 5.10 DocuPrint N2025/N2825 6-63...
  • Page 296: Gp 5.11 Tray1/2/3 Assembly

    The force pressing up the Plate Bottom is provided by the three springs. The Plate Bottom is pressed up by these springs to ensure the contact with paper to be fed and the Feed Roll of the Tray Feed Assembly. Figure 1 Cassette Assembly General Procedures / Information Initial Issue 02/2000 GP 5.11 6-64 DocuPrint N2025/N2825...
  • Page 297: Gp 5.12 Feeder

    This assembly transports the paper fed from the Option Feeder installed below this Feeder. The drive power is delivered from the Feed 2 Motor through the Gear Turn/L. Figure 1 Size Switch Initial Issue General Procedures / Information 02/2000 GP 5.12 DocuPrint N2025/N2825 6-65...
  • Page 298: Gp 5.13 Mbf Assembly

    START without receiving /PRFD feeds a sheet of paper by the normal feed, and transports the paper continuously without stopping the rotation of the Turn Roll Assembly. Turn Clutch Assembly – General Procedures / Information Initial Issue 02/2000 GP 5.12, GP 5.13 6-66 DocuPrint N2025/N2825...
  • Page 299 Detects when the MBF Tray is out of paper. No Paper Sensor 1 – Detects when the Tray 1 is out of paper. Figure 1 MBF Tray Assembly Initial Issue General Procedures / Information 02/2000 GP 5.13 DocuPrint N2025/N2825 6-67...
  • Page 300: Gp 5.14 Paper Transport Assembly

    BTR to the Frame Assembly, maintaining them at a constant voltage with respect to the Frame Assembly. By thus grounding through a Zener diode, the disturbance of the toner image during the transfer is better prevented. Figure 1 Bias Transfer Roll Assembly General Procedures / Information Initial Issue 02/2000 GP 5.14 6-68 DocuPrint N2025/N2825...
  • Page 301: Gp 5.15 Exit Assembly And Fuser

    In conjunction the non-stick coating of the Heat Roll to peel the leading edge of the paper from the Heat Roll to prevent the paper from winding around the Heat Roll. Heat Roll Diode – Initial Issue General Procedures / Information 02/2000 GP 5.15 DocuPrint N2025/N2825 6-69...
  • Page 302 Figure 1 Fuser Assembly Figure 2 Fuser Assembly General Procedures / Information Initial Issue 02/2000 GP 5.15 6-70 DocuPrint N2025/N2825...
  • Page 303: Gp 5.16 Frame And Drive

    The Registration Clutch is actuated to rotate the Rubber Registration Roll and the Metal Regis- tration Roll at the specified time after the Registration Sensor has detected the arrival of the paper. Figure 1 Frame and Drive Initial Issue General Procedures / Information 02/2000 GP 5.16 DocuPrint N2025/N2825 6-71...
  • Page 304: Gp 5.17 Xerographics

    Assembly consists of three major components: the Layer Diode Assembly, the Scanner Assembly, and the SOS PWB. LD Assembly: Generate laser light that is modulated on and off according to the print data sig- nal. General Procedures / Information Initial Issue 02/2000 GP 5.17 6-72 DocuPrint N2025/N2825...
  • Page 305: Gp 5.18 Electrical

    ROM, RAM, 16-bit integrated timer unit, programmable timing pattern con- troller, watch dog timer, serial communication interfaces, and A/D converter, a D/A converter, I/ O ports, DMA controller, and refresh controller built in. Initial Issue General Procedures / Information 02/2000 GP 5.17, GP 5.18 DocuPrint N2025/N2825 6-73...
  • Page 306 Supplies DC power to the Duplex Unit and offers the interface port between the Print Engine Controller PWB and the Duplex Unit. PWA:5V – Supplies DC power. Figure 1 Electrical Components General Procedures / Information Initial Issue 02/2000 GP 5.18 6-74 DocuPrint N2025/N2825...
  • Page 307: Gp 5.19 Power Supply

    To reset the protection circuit after an overcurrent shutdown, switch off the printer power, remove the cause, then switch on the printer power again. Initial Issue General Procedures / Information 02/2000 GP 5.19 DocuPrint N2025/N2825 6-75...
  • Page 308: Gp 5.20 Printer Controls

    Nonvolatile Memory Setting Mode Starts each time Print Test is executed with Mem- Monarch SEF ory Code NVP, and stops about preset seconds after printing is completed. Warm up General Procedures / Information Initial Issue 02/2000 GP 5.20 6-76 DocuPrint N2025/N2825...
  • Page 309 The STANDBY Temperature is used as the set temperature when the Motor:Main is stopped and when the printer is warming up. Initial Issue General Procedures / Information 02/2000 GP 5.20 DocuPrint N2025/N2825 6-77...
  • Page 310 Clutch, and Turn Clutch Assembly and outputs the CR(AC), CR(DC), DTS, and BTR(-) volt- ages from the HVPS to clean the drum surface and drive the paper remaining in the printer to a sensor for detection. General Procedures / Information Initial Issue 02/2000 GP 5.20 6-78 DocuPrint N2025/N2825...
  • Page 311: Gp 5.21 Duplex Assembly

    This drive power is used to deliver the paper from the Exit Assembly to the Duplex Assem- bly and discharge it from the Exit Assembly after the completion of side 2 printing. Figure 1 Paper Path With Duplex Assembly Installed Initial Issue General Procedures / Information 02/2000 GP 5.21 DocuPrint N2025/N2825 6-79...
  • Page 312 Figure 4 is a cut-away side view of the Duplex Assembly that shows the drive power transmis- sion through the gears of the Duplex Assembly. Figure 3 Duplex Assembly Gear Arrangement Figure 4 Drive Power Transmission through Duplex Assembly Gears General Procedures / Information Initial Issue 02/2000 GP 5.21 6-80 DocuPrint N2025/N2825...
  • Page 313 Duplex Motor Assembly - Generates the drive power to transfer the paper to the Metal Regis- tration Roll and Rubber Registration Roll. This motor rotates only in the clockwise direction. Initial Issue General Procedures / Information 02/2000 GP 5.21 DocuPrint N2025/N2825 6-81...
  • Page 314 The Print Engine Controller PWB switches the print mode when the current print job is com- pleted after it has received the SWITCH PRINTING MODE command. Figure 9 Scan Direction in Duplex Printing General Procedures / Information Initial Issue 02/2000 GP 5.21 6-82 DocuPrint N2025/N2825...
  • Page 315: Gp 5.22 500 Sheet Feeder Assembly

    No-paper error is reported from the Print Engine Controller PWB to the System Controller PWB with Status 0. Page one image is then printed on side 2 of the re-fed sheet. Initial Issue General Procedures / Information 02/2000 GP 5.21, GP 5.22 DocuPrint N2025/N2825 6-83...
  • Page 316 The drive force for the 500 Sheet Feeder is transmitted from the Motor Feeder via drive gears and provides the force to drive the paper transport. The transmission paths are as shown below Figure 3, Figure 4, Figure 5 & Figure 6. General Procedures / Information Initial Issue 02/2000 GP 5.22 6-84 DocuPrint N2025/N2825...
  • Page 317 Figure 5 Transmission Path Figure 4 Transmission Path Initial Issue General Procedures / Information 02/2000 GP 5.22 DocuPrint N2025/N2825 6-85...
  • Page 318 Cassette Assembly included with the base engine. If necessary, refer to the descriptions in the N2025/N2825 Laser Printer Engine Service Manual. General Procedures / Information Initial Issue 02/2000 GP 5.22 6-86 DocuPrint N2025/N2825...
  • Page 319 Figure 9 Major Components Figure 8 Major Components Initial Issue General Procedures / Information 02/2000 GP 5.22 DocuPrint N2025/N2825 6-87...
  • Page 320: Gp 5.23 Offsetting Catch Tray

    The drive power generated by the Motor Assembly Offset is used to discharge the paper with or without offset, or re-feed the paper toward the Duplex Assembly at the duplex mode. Figure 1 Paper Transportation General Procedures / Information Initial Issue 02/2000 GP 5.23 6-88 DocuPrint N2025/N2825...
  • Page 321 The Figure below is a cut-away side view of the Duplex Assembly that shows the drive power transmission through the gears of the OCT Assembly Figure 4. Figure 3 OCT Gear Arrangement Figure 4 Drive Power Transmission Through OCT Gear Assembly Initial Issue General Procedures / Information 02/2000 GP 5.23 DocuPrint N2025/N2825 6-89...
  • Page 322 OCT Sensor - Detects the paper jam between the Roll Inlet and the Roll Offset in the OCT Assembly. This sensor is a micro switch. Sensor Photo: Full Stack - Detects the paper full on the exit tray. General Procedures / Information Initial Issue 02/2000 GP 5.23 6-90 DocuPrint N2025/N2825...
  • Page 323 Ledger (SEF), Letter (SEF), DL, Letter (LEF), A3 (SEF), A4 (SEF), A4 (LEF), Post Card, B4 simplex mode. (SEF), B5 (SEF), Monarch, Statement (LEF), Legal 13", COM-10, Executive, B5 (LEF), Legal 14", C5, A5 (LEF) Initial Issue General Procedures / Information 02/2000 GP 5.23 DocuPrint N2025/N2825 6-91...
  • Page 324 General Procedures / Information Initial Issue 02/2000 GP 5.23 6-92 DocuPrint N2025/N2825...
  • Page 325: Gp 6.1 How To Run A System Controller Test Print

    14. Press “Enter”. Printer will begin delivering test prints. Printing will continue until output quantity reaches 999 or key [0] is pressed and held for 1 second. Initial Issue General Procedures / Information 02/2000 GP 6.1, GP 6.2 DocuPrint N2025/N2825 6-93...
  • Page 326 General Procedures / Information Initial Issue 02/2000 GP 6.1, GP 6.2 6-94 DocuPrint N2025/N2825...
  • Page 327: Gp 7.1 Supplemental Tools, Supplies, And Hardware

    Test Pattern, Output Performance 82P520 Test Pattern, Visual Scale 82P284 Interlock Cheater 3E85271 Basic Tool Kit 600T1835 Metric Tool Kit 600T1880 Multimeter 600T1616 Lead Kit 600T1923 Hardware Kit 600K76430 Initial Issue General Procedures / Information 02/2000 GP 7.1 DocuPrint N2025/N2825 6-95...
  • Page 328 General Procedures / Information Initial Issue 02/2000 GP 7.1 6-96 DocuPrint N2025/N2825...
  • Page 329: Gp 8.1 Tag Matrix

    N - Not installed in the field O - Optional R - Repair S - Situational Change Tag index Tag: 001 Class: Manufacturers Serial Number: Name: Purpose: Kit Number: References: Initial Issue General Procedures / Information 02/2000 GP 8.1 DocuPrint N2025/N2825 6-97...
  • Page 330 General Procedures / Information Initial Issue 02/2000 GP 8.1 6-98 DocuPrint N2025/N2825...
  • Page 331 7 Wiring Data Section Contents......................Introduction ........................Base Engine........................500 Sheet Feeder ......................7-32 Duplex Assembly ......................7-37 Offset Catch Tray ......................7-40 2000 Sheet Feeder ......................7-44 Initial Issue Wiring Data 02/2000 DocuPrint N2025/N2825...
  • Page 332 Wiring Data Initial Issue 02/2000 DocuPrint N2025/N2825...
  • Page 333: Section Contents

    Wiring Diagrams and Signal Information Offset Catch Tray • Location of P/J Connectors • Wiring Diagrams and Signal Information 2000 Sheet Feeder • Location of P/J Connectors • Wiring Diagrams and Signal Information Initial Issue Wiring Data 02/2000 Section Contents, Introduction DocuPrint N2025/N2825...
  • Page 334: Base Engine

    10. Print Engine Controller PWB<-->Duplex Interface PWB<-->FULL STACK SENSOR (Fig- ure 13, Table 15) 11. CONTROLLER<-->Control Panel (Figure 14) 12. Print Engine Controller PWB<-->DIAGNOSTIC TOOL Figure 1 Master Wiring Diagram (1 of 2) Wiring Data Initial Issue 02/2000 Base Engine DocuPrint N2025/N2825...
  • Page 335: Wiring Data

    The Master Wiring Diagram is divided into the following 12 sections. The signal names, pin numbers, and other information are given in detailed diagrams by sections. Organization 1. Print Engine Controller PWB<-->LVPS<-->INTER-LOCK SWITCH and FANs 2. Print Engine Controller PWB<-->FUSER ASSEMBLY, FUSER PWB Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825...
  • Page 336 Wiring Diagram Notations Wiring Data Initial Issue 02/2000 Base Engine DocuPrint N2025/N2825...
  • Page 337 Table 1 Signal names for the Print Engine Controller PWB<-->LVPS path Signal Name Description /FAN ALM (TTL) Fan monitor signal. Goes High when the rotation of the Main Fan and LVPS Fan is abnormal. Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825...
  • Page 338 24 VDC supply to the Print Engine Controller PWB, and hence Motors, Clutches, and Solenoids are stopped. However, the Fans are always supplied with 24 VDC without being interrupted by the deactuation of the Interlock Switch. Wiring Data Initial Issue 02/2000 Base Engine DocuPrint N2025/N2825...
  • Page 339 2. Print Engine Controller PWB<-->FUSER ASSEMBLY, FUSER PWB Figure 4 Print Engine Controller PWB-Fuser Assembly, Fuser PWB Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825...
  • Page 340 On, High: Off /HEAT 2(TTL) Fuser control signal to switch AC power to the Heater Rod on and off Low: On, High: Off Figure 5 Fuse, Thermostat, Heater Rod, and Thermistor specifications Wiring Data Initial Issue 02/2000 Base Engine 7-10 DocuPrint N2025/N2825...
  • Page 341 3. Print Engine Controller PWB<-->Laser and Print Cartridge SENSOR ASSEMBLY (Print Cartridge SWITCH and LD SWITCH) Figure 6 Print Engine Controller PWB-Laser and Print Cartridge Sensor Assembly (Print Cartridge Switch and LD Switch) Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-11...
  • Page 342 The LD Switch is the safety switch against the laser light. Never cheat the LD Switch to avoid exposure to the laser light beam. Direct eye exposure to the laser light beam may cause eye injury or blindness. Wiring Data Initial Issue 02/2000 Base Engine 7-12 DocuPrint N2025/N2825...
  • Page 343 Control signal to select the DB (Development Bias) voltage (0 ~ 3.3VDC) TR-DA Control signal to select the TR(+) current (0 ~ 3.3VDC) TR MON-I Monitor signal of the TR(+) current (0 ~ 3.3VDC) by the MTVC Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-13...
  • Page 344 Registration Clutch control signal. The Registration Clutch is actuated when this signal is Low, and deactuated when High. /REG. IN (TTL) Signal from the Registration Sensor. This signal is Low when the Registration Sensor is actuated. Wiring Data Initial Issue 02/2000 Base Engine 7-14 DocuPrint N2025/N2825...
  • Page 345 6. Print Engine Controller PWB <--> FEED SOLENOID, TURN CLUTCH, NO-PAPER SEN- Figure 9 Print Engine Controller PWB-Feed Solenoid, Turn Clutch, No Paper Sensor Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-15...
  • Page 346 MBF Feed Solenoid winding resistance 90 ohms 10% (at 20° C) Tray 1 Feed Solenoid winding resistance 90 ohms 10% (at 20° C) Turn Clutch Assembly winding resistance 192 ohms 10% (at 20° C) Wiring Data Initial Issue 02/2000 Base Engine 7-16 DocuPrint N2025/N2825...
  • Page 347 7. Print Engine Controller PWB <--> LOW PAPER SENSOR, P/H UNIT, TRAY 1 PAPER SIZE SWITCH Figure 10 Print Engine Controller PWB-Low Paper Sensor, P/H Unit, Tray1 Paper Size Switch Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-17...
  • Page 348 A3 SEF B4 SEF Legal 14" SEF Legal 13" SEF A4 SEF Letter SEF Letter LEF A4 LEF B5 SEF Executive LEF A5 LEF Statement LEF Postcard SEF C5 SEF Wiring Data Initial Issue 02/2000 Base Engine 7-18 DocuPrint N2025/N2825...
  • Page 349 8. Print Engine Controller PWB <--> MAIN MOTOR Figure 11 Print Engine Controller PWB-Main Motor Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-19...
  • Page 350 Main Motor monitor signal. Goes Low when the rotation of the Main Motor is abnormal. MOT ALM (TTL) Main Motor Control Signal to switch the Main Motor on and off (H=TTL) (L=TTL) Wiring Data Initial Issue 02/2000 Base Engine 7-20 DocuPrint N2025/N2825...
  • Page 351 9. Print Engine Controller PWB <--> TONER SENSOR Figure 12 Print Engine Controller PWB-Toner Sensor Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-21...
  • Page 352 Table 14 Signal names for the Print Engine Controller PWB <--> Toner Sensor path Signal Name Description /NO TONER (TTL) Signal from the Toner Sensor. Goes Low when toner is low in the Print Cartridge. Wiring Data Initial Issue 02/2000 Base Engine 7-22 DocuPrint N2025/N2825...
  • Page 353 10. Print Engine Controller PWB <--> Duplex Interface PWB <--> FULL STACK SENSOR Figure 13 Print Engine Controller PWB-Duplex Interface PWB-Full Stack Sensor Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-23...
  • Page 354 Table 15 Signal names for the Print Engine Controller PWB<-->Duplex Interface PWB <--> FULL STACK SENSOR path Signal Name Description /FULL Signal from the Full Stack Sensor. Goes Low when the Full Stack STACK(TTL) Sensor is deactuated. Wiring Data Initial Issue 02/2000 Base Engine 7-24 DocuPrint N2025/N2825...
  • Page 355 11. CONTROLLER <--> Control Panel Figure 14 Controller-Control Panel Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-25...
  • Page 356 Plug/Jack (P/J) Connector Locations for Engine Contents 4. Plug/Jack (P/J) Connector Locations 4.1 Plug/Jack (P/J) Connector Location Table (Table 16) 4.2 Plug/Jack (P/J) Connector Location Diagrams (Figure 15, Figure 16, & Figure 17) Wiring Data Initial Issue 02/2000 Base Engine 7-26 DocuPrint N2025/N2825...
  • Page 357 PL 8.1 SNS Harness PL 3.1 Connects Print Engine Harness Assembly Engine Assembly Controller PWB and (Print Engine Control- Controller CSTL Guide Assem- ler PWB). bly. (CST Sensor, Size Switch) Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-27...
  • Page 358 PL 9.2 Connects LVPS Switch Assembly. Assembly item 1 Assembly and Print Engine Controller Fuser PL 9.2 Fuser Harness Connects Fuser Inter- PWB. Interlock Assembly lock Switch and Fuser Switch PWB. Wiring Data Initial Issue 02/2000 Base Engine 7-28 DocuPrint N2025/N2825...
  • Page 359 Convertible Har- PL 9.1 Connects Console Assembly ness Assembly Assembly and MCV Guide PL 8.1 I/L Harness Connects I/R Switch, PWB. Print Car- Assembly Fuser Interlock Switch tridge-R and LVPS. Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-29...
  • Page 360 Location Harness Name Notes Name (Note 3) Item # CN2 F-42 Motor PL 7.1 Main Motor PL 7.1 Connects Main Drive Assembly Motor Controller PWB to Main Motor. Figure 15 Wiring Data Initial Issue 02/2000 Base Engine 7-30 DocuPrint N2025/N2825...
  • Page 361 Figure 16 Figure 17 Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2025/N2825 7-31...
  • Page 362: 500 Sheet Feeder

    PWB of the upper Feeder (Feeder 1 or Feeder 2)) to the Feeder PWB of the Feeder. Feeder PL 11.3 Harness Connects the Feeder Assembly Harness to the Feeder PWB. Wiring Data Initial Issue 02/2000 500 Sheet Feeder 7-32 DocuPrint N2025/N2825...
  • Page 363 500 Sheet Feeders. The remainder of this section shows the signal names, pin numbers, and other information in detailed diagrams. Wiring Diagrams and Signal Information Contents Master Wiring Diagram Figure 1 Wiring and Signal Information Between Components Initial Issue Wiring Data 02/2000 500 Sheet Feeder DocuPrint N2025/N2825 7-33...
  • Page 364 Figure 2 Wiring and Signal Information between Components 20. Feeder 2 PWB <--> Feeder 3 PWB <--> Low Paper Sensor, No Paper Sensor, Tray 1 Feed Solenoid, Switch Size, and Motor Feed 3 Wiring Data Initial Issue 02/2000 500 Sheet Feeder 7-34 DocuPrint N2025/N2825...
  • Page 365 Tray 1 Feed Solenoid control signal. The Tray 1 Feed Solenoid (Tray 1 24VDC Feed Solenoid of the Feeder 2 (or 3)) is actuated when this signal is Figure 3 500 Sheet Feeder - Tray 3. Low, and deactuated when High. Initial Issue Wiring Data 02/2000 500 Sheet Feeder DocuPrint N2025/N2825 7-35...
  • Page 366 R10K changes according to the number of 500 Sheet Feeders added. Therefore, Two 500 Sheet Feeders the Feeder configuration can be detected from the voltage of the FEEDER CK signal. added Wiring Data Initial Issue 02/2000 500 Sheet Feeder 7-36 DocuPrint N2025/N2825...
  • Page 367: Duplex Assembly

    Connector Inside the Exit Motor. P/J 512 Connects the Duplex SNS Harness to the Duplex PWB. P/J 513 Connects the SNS Harness to the Duplex Sensor. Figure 1 P/J Map Initial Issue Wiring Data 02/2000 Duplex Assembly DocuPrint N2025/N2825 7-37...
  • Page 368 Diagram shows the interconnections of the printer, the optional Duplex Assembly, and the com- ponents of it. The remainder of this section shows the signal names, pin numbers, and other information in detailed diagrams. Figure 2 Master Wiring Diagram Wiring Data Initial Issue 02/2000 Duplex Assembly 7-38 DocuPrint N2025/N2825...
  • Page 369 Wiring and Signal Information between Components 30. Print Engine Controller PWB <--> Duplex Interface PWB <--> Duplex PWB <--> Duplex Motor Assembly, Exit Motor Assembly and Duplex Sensor Assembly. Figure 3 Initial Issue Wiring Data 02/2000 Duplex Assembly DocuPrint N2025/N2825 7-39...
  • Page 370: Offset Catch Tray

    Connects the STK COV OP Harness to the OCT PWB. P/J 525 Connects the STK COV OP Harness to the Interlock Switch. P/J 526 Connects the STK-0 Harness to the Duplex I/F PWB. Wiring Data Initial Issue 02/2000 Duplex Assembly, Offset Catch Tray 7-40 DocuPrint N2025/N2825...
  • Page 371 40. Duplex Interface PWB <--> Stacker PWB <--> OCT Motor Assembly, Offset Motor Assem- bly, Photo Sensor, Duplex Sensor and Interlock Switch Table 2, Table 3, Table 4, Table 5 Figure 1 Map Initial Issue Wiring Data 02/2000 Offset Catch Tray DocuPrint N2025/N2825 7-41...
  • Page 372 Wiring and Signal Information between Components 40. Duplex Interface PWB <--> OCT PWB <--> OCT Motor Assembly, Offset Motor Assembly, Stack Full Sensor, OCT Sensor and Interlock Switch Figure 2 Master Wiring Diagram Wiring Data Initial Issue 02/2000 Offset Catch Tray 7-42 DocuPrint N2025/N2825...
  • Page 373 Signal through the OCT Sensor. This signal is High when the top of paper reaches the Actuator and pushes it, and Low when the end of paper passes and releases it. Figure 3 Wiring/Signals Between Components Initial Issue Wiring Data 02/2000 Offset Catch Tray DocuPrint N2025/N2825 7-43...
  • Page 374: 2000 Sheet Feeder

    Connects the 2000 Sheet Feeder SW Harness to the Cassette Indi- cator Switch. Figure 1 P/J Map P/J 615 Connects the 2000 Sheet Feeder TFM Harness to the Drive Assem- bly Motor. Wiring Data Initial Issue 02/2000 7-44 DocuPrint N2025/N2825...
  • Page 375 50. 2000 Sheet Feeder PWB <--> Low Paper Sensor Figure 5, Table 4 50. 2000 Sheet Feeder PWB <--> Switches (A4/letter, Rear Cover, and Cassette In) Figure 6 Figure 2 Master Wiring Diagram Initial Issue Wiring Data 02/2000 DocuPrint N2025/N2825 7-45...
  • Page 376 Wiring and Signal Information Between Components 50. Print Engine Controller PWB <--> 2000 Sheet Feeder PWB <--> Motor Assembly 2000 Sheet Feeder, Motor Assembly Feed, Drive Assembly Turn Figure 3 Wiring/Signal Information Between Components Wiring Data Initial Issue 02/2000 7-46 DocuPrint N2025/N2825...
  • Page 377 Table 3 Signal names for the 2000 Sheet Feeder PWB <--> No Paper Sensor path Signal Name Description /NO PAPER Signal from the No Paper Sensor. This signal is Low when the Photo Sensor is actuated. Initial Issue Wiring Data 02/2000 DocuPrint N2025/N2825 7-47...
  • Page 378 If one of the contacts of these Switches is open, the 24V circuit is broken. /LEVEL Signal from the Low Paper Sensor. This signal is Low when the Photo Sen- sor is actuated. Wiring Data Initial Issue 02/2000 7-48 DocuPrint N2025/N2825...

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