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Xerox DocuPrint N24 Service Manual

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Table of Contents
XEROX
Xerox DocuPrint N24, N32, N40, N3225 and
N4025 Network Laser Printer Service
Manual
720P56510
Rev D
2 February 2000

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Table of Contents
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  Summary of Contents for Xerox DocuPrint N24

  • Page 1 XEROX Xerox DocuPrint N24, N32, N40, N3225 and N4025 Network Laser Printer Service Manual 720P56510 Rev D 2 February 2000...
  • Page 2 This Service Manual contains information that Copyright 1997, 1998, 1999, 2000 Xerox applies to the DocuPrint N24, N32, N40, N3225 Corporation. All rights reserved. and N4025 Electronic Laser Printer. Copyright protection claimed includes all forms of NOTICE matters of copyrightable materials and information...
  • Page 3 Warning CLASS 1 LASER PRODUCT This equipment complies with the The DocuPrint N24, N32, N40, N3225, and N4025 requirements in Part 15 of FCC rules for a laser printers are certified to comply with Laser class A computing device. Operation of the Product Performance Standards set by the U.S.
  • Page 4 The first label is located on top of the Laser Unit. This label is visible when the Low Voltage Power Supply is removed. 3/99 Product Safety DocuPrint N24, N32 and N40 Service Manual...
  • Page 5 The second label is located on the top of the front cover. This label is visible when the Top Cover is removed. 3/99 DocuPrint N24, N32 and N40 Service Manual Product Safety...
  • Page 6: Table Of Contents

    Table of Contents Introduction Title Page The DocuPrint N24, N32, N40, N3225, and N4025 Service Manual is the primary document used for Introduction ..........vi repairing and maintaining the DocuPrint N24, N32, N40, N3225, and N4025 Laser Printers. Organization ........... vii This manual contains Service Call Procedures, Revision Control List ......viii...
  • Page 7: Organization

    Section 2 - Printer Specifications This section contains all the specifications for the DocuPrint N24, N32, N40, N3225, and N4025 printers. Section 3 - Parts Lists This section contains illustrations of disassembled subsystems and a listing of the spared parts.
  • Page 8: Revision Control List

    3-68 2/2000 4-31 2/2000 2-16 7/98 3-31 3/99 3-69 2/2000 4-32 2/2000 2-17 2/2000 3-32 2/2000 3-70 2/2000 4-33 2/2000 2-18 2/2000 3-33 9/97 3-71 2/2000 4-34 2/2000 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 viii Revision Control List...
  • Page 9 2/2000 5-30 2/2000 5-68 2/2000 4-70 2/2000 4-108 2/2000 5-31 2/2000 5-69 2/2000 4-71 2/2000 4-109 2/2000 5-32 2/2000 5-70 2/2000 4-72 2/2000 4-110 2/2000 5-33 2/2000 5-71 2/2000 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 Revision Control List...
  • Page 10 3/99 7-53 9/97 2/2000 9/97 7-16 2/2000 7-54 9/97 7/98 9/97 7-17 9/97 7-55 7/98 9/97 9/97 7-18 9/97 7-56 2/2000 9/97 9/97 7-19 9/97 7-57 2/2000 8-10 9/97 2/2000 Revision Control List DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 11 9/97 8-121 7/98 8-159 9/97 8-46 9/97 8-84 9/97 8-122 7/98 8-160 9/97 8-47 9/97 8-85 9/97 8-123 9/97 8-161 9/97 8-48 9/97 8-86 9/97 8-124 9/97 8-162 9/97 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 Revision Control List...
  • Page 12 9/97 8-235 2/2000 8-311 2/2000 8-274 7/98 8-198 9/97 8-236 9/97 8-312 7/98 8-275 2/98 8-199 9/97 8-237 9/97 8-313 2/98 8-276 3/99 8-200 9/97 8-238 9/97 8-314 2/98 2/2000 Revision Control List DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 13 8-425 7/98 8-463 2/98 8-350 7/98 8-388 2/2000 8-426 7/98 8-464 7/98 8-351 7/98 8-389 7/98 8-427 7/98 8-465 2/2000 8-352 7/98 8-390 7/98 8-428 7/98 8-466 2/2000 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 xiii Revision Control List...
  • Page 14 2/98 8-538 2/98 8-576 7/98 8-501 2/98 8-539 2/98 8-577 7/98 8-502 2/98 8-540 2/98 8-578 7/98 8-503 2/98 8-541 2/98 8-579 7/98 8-504 2/98 8-542 2/98 8-580 7/98 2/2000 Revision Control List DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 15: Service Call Procedures

    Section 1 Service Call Procedures 1.1 Call Flow Diagram ................1-2 1.2 Initial Actions .................. 1-3 1.3 Corrective Actions................1-3 1.4 Final Actions ................... 1-4 3/99 DocuPrint N24, N32 and N40 Service Manual Service Call Procedures...
  • Page 16: Call Flow Diagram

    Initial Actions and end with Final Actions. Figure 1.1 Call Flow Diagram. Initial Actions Corrective Actions Parts List RAPs Repair Procedures Wiring Data General Procedures Final Actions Correct Any Secondary Problems Image Quality 3/99 Service Call Procedures DocuPrint N24, N32 and N40 Service Manual...
  • Page 17: Initial Actions

    3 If the fault is related to Image Quality, go directly to the Image Quality RAP to correct the problem. 4 After all corrective actions have been made, perform Final Actions. 3/99 DocuPrint N24, N32 and N40 Service Manual Service Call Procedures...
  • Page 18: Final Actions

    5 Clean the machine and the work area. 6 Ask the customer to send a print job to verify printer operation. 7 Provide operator training as required. 8 Close the call. 3/99 Service Call Procedures DocuPrint N24, N32 and N40 Service Manual...
  • Page 19: Printer Specifications

    2.7.1 General Information ............... 2-7 2.7.2 Printing Speed For First Sheet Out ........2-7 2.7.3 Continuous Printing Speed (CPS) After First Sheet Out ..2-8 2.7.3.1 CPS After First Sheet Out (N32/N3225) ....... 2-8 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 Printer Specifications...
  • Page 20 2.12.4 Face Up Bin (Standard) ............. 2-21 2.12.5 Mailbox (Option) ..............2-21 2.12.6 Finisher (Option) ..............2-21 2.13 Operating Language and Emulation ........2-21 2.14 Communication Interfaces ............2-22 2.15 Print Alignment Specification ..........2-22 2/2000 Printer Specifications DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 21: Electrical Specifications

    .4 AMPS 2.1.2 Power On/Off The DocuPrint N24/N32/N40/N3225/N4025 is switched ON by a power ON/OFF switch mounted on the front of the printer. The power cord is detachable and plugged into a three-wire grounded power socket. The printer powers down automatically when it is not used for a period of time (see Power Saver).
  • Page 22: Mechanical Specifications

    Width (with Depth Height Weight 110V Weight 220V printer printer installed) Metric 642 mm 523 mm 486 mm 45kg 47.5Kg 25.3 in. 21 in. 19 in 99 lbs 105 lbs 3/99 Printer Specifications DocuPrint N24, N32 and N40 Service Manual...
  • Page 23: Standard Configuration

    Refer to (Figure 2.3a) for the standard configuration of the: DocuPrint N24/N32/N40/N3225/N4025 1) Face Down Bin 2) Printer Control Panel 3) Tray 1(500 sheets) 4) Tray 2 (500 sheets) 5) Multisheet Bypass Feeder (MBF) (50 sheets) 6) Offset Unit 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 Printer Specifications...
  • Page 24: Physical Location

    2.6 Status Display/Controls The printer's status is controlled and displayed by: 8 Front Panel Keys, 4 LED's, and a 32 character (2 x 16) LCD display (Figure 2.6a). Figure 2.6a Status Display/Controls 3/99 Printer Specifications DocuPrint N24, N32 and N40 Service Manual...
  • Page 25: Functional Specifications

    HCF 4 HCF 5 A4 LEF 8.6 sec 9.4 sec 9.7 sec 10.6 sec 11.8 sec 8.5 x 11 LEF 8.6 sec 9.4 sec 9.7 sec 10.6 sec 11.8 sec 3/99 DocuPrint N24, N32 and N40 Service Manual Printer Specifications...
  • Page 26: Continuous Printing Speed (Cps) After First Sheet Out

    HCF 4 & 5 (prints per minute) (prints per minute) (prints per minute) (prints per minute) A4 LEF Letter LEF Executive LEF Legal 13" SEF Legal 14" SEF A3 SEF 2/2000 Printer Specifications DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 27: Cps After First Sheet Out (N40/N4025)

    A4 LEF Letter LEF Executive LEF Legal 13" SEF Legal 14" SEF A3 SEF Ledger SEF A5 LEF Statement LEF Com10 LEF Monarch LEF DL LEF C5 LEF A6 Postcard SEF 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 Printer Specifications...
  • Page 28: Continuous Printing Speed (Cps) After First Sheet Out

    (prints per (prints per (prints per minute) (prints per minute) minute) minute) minute) A4 LEF Letter LEF Executive LEF Legal 13" SEF Legal 14" SEF A3 SEF Ledger SEF 2/2000 Printer Specifications 2-10 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 29: Cps After First Sheet Out (N40/N4025)

    (prints per (prints per (prints per minute) (prints per minute) minute) minute) minute) A4 LEF Letter LEF Executive LEF Legal 13" SEF Legal 14" SEF A3 SEF Ledger SEF 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 2-11 Printer Specifications...
  • Page 30: Environment

    • extreme dust or smoke • poor ventilation 2.9 Safety Standards The DocuPrint N24/N32/N40/N3225/N4025 satisfies the following standards: Category Standard Satisfied Laser Safety 110V and 115V printers: FDA 21 CFR Chapter 1, Subchapter J, Sections 1010 & 1040 for CDRH Class I Laser Product.
  • Page 31: Options

    Network Interface Card for N3225 and N4025 Printers Tiff DIMM Option Kit Option Kit for N3225 and N4025 Printers High Capacity Hard Disk Disk drive for N3225 and N4025 Printers 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 2-13 Printer Specifications...
  • Page 32: Paper Specifications

    2.11 Paper Specifications Weight: The recommended standard paper type is Xerox DP, 20 lb. (80gsm). Range: = 64 to 105gsm, 17 - 28 lbs. 60 to 136gsm, 16 - 36 lbs. MBF 2.11.1 Special Media Used with N24/N32/N40/N3225/N4025 Tray 3...
  • Page 33: Approved Media Certified On The

    Cover Stock 3R3041 Letter (8.5x11”) 65 lb. Labels - 33 Up Paper 3R3139 Letter (8.5x11”) Transparency - Permanent Stripe 3R2780 Letter (8.5x11”) Transparency - Removable Stripe 3R3108 Letter (8.5x11”) 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 2-15 Printer Specifications...
  • Page 34 Envelope- Communique JB 1236 C5 (162x229mm) 90 GSM Card Stock 3R91798A A6 (100x148mm) 160 GSM Transparency - Clear 3R96002 A4 (210x297mm) Labels - 24 Up Paper 3R96178 A4 (210x297mm) 3/99 Printer Specifications 2-16 DocuPrint N24, N32 and N40 Service Manual...
  • Page 35: Paper Tray Capacity

    2.11.3.2 Multisheet Bypass Feeder [MBF] (Standard) Standard feeder for the DocuPrint N24/N32/N40/N3225/N4025 printer. The MBF attaches to the left side of the printer. The MBF holds up to 50 sheets (0.2”/5mm stack height of 64 ~ 105gsm paper or 190gsm postcard) of the following paper.
  • Page 36: High Capacity Feeder [Hcf] (Option)

    Executive LEF - 7.25” x 10.5” (184.2mm x 266.7mm) HCF - Tray 4 and Tray 5 Optional feeder for the DocuPrint N24/N32/N40/N3225/N4025 printer. Trays 4 and 5 can each hold up to 1000 sheets (4.2”/108mm stack height of 20lb (80gsm) paper) of the following paper.
  • Page 37: Paper Limitations

    3/99 DocuPrint N24, N32 and N40 Service Manual 2-19 Printer Specifications...
  • Page 38: Paper Output Devices & Support Paper Specifications

    2.12.1 Face Down Bin (Standard) Standard output bin for the DocuPrint N24/N32/N40/N3225/N4025. Paper is transported out of the printer face down onto the printer Top Cover. This Bin holds up to 500 sheets of 20 lb (80gsm)paper, and comes equipped with Full Stack detection.
  • Page 39: Duplex Module (Option)

    2.12.4 Face Up Bin (Standard) Standard Face Up Bin attaches to the left side of the DocuPrint N24/N32/N40/N3225/N4025 printer. Paper is trans- ported out of the printer face up onto the Face Up Bin. The Bin holds up to 200 sheets of 20 lb (80gsm) paper.
  • Page 40: Communication Interfaces

    Less than Less than Less than Lead Edge +/- 1.5mm +/- 1.9mm +/- 2.1mm Registration Less than Less than Less than Side Edge +/- 2.0mm +/- 2.4mm +/- 2.9mm 2/2000 Printer Specifications 2-22 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 41: Parts Lists

    PL 3.6 Retard and Take Away - Tray 2 ..........3-24 PL 3.7 Feed Drive Transmission ............3-26 PL 4.1 Multi-Sheet Bypass Feeder (MBF) / Duplex Support ... 3-28 PL 4.2 Multi-Sheet Bypass Feeder Assembly ........3-30 3/99 DocuPrint N24, N32 and N40 Service Manual Parts Lists...
  • Page 42 PL 11.1 Power Inlet and LVPS............3-64 PL 11.2 HVPS and Printer Engine Controller PWB ......3-66 PL 11.3 System Controller Assembly ..........3-68 PL 12.1 Part Number Locator Listing..........3-70 3/99 Parts Lists DocuPrint N24, N32 and N40 Service Manual...
  • Page 43 NOTE:The parts listed and illustrated in this section are current at the time of this printing. As the machine matures the part number, mounting, etc. may change or be deleted. 3/99 DocuPrint N24, N32 and N40 Service Manual Parts Lists...
  • Page 44: Pl 1.1 Top Cover Assembly

    N4025 Console Panel Label (Spanish) 162K25111 Console Harness 2E68401 Cover System Controller 3E23653 Stopper 127K19110 Fuser Fan Assembly 127K21470 Fuser Fan Assembly (Alternate) 48E37170 Full Fuser Cover 600K65640 Screw Kit 2/2000 Parts Lists DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 45 3/99 DocuPrint N24, N32 and N40 Service Manual Parts Lists...
  • Page 46: Pl 1.2 Front Cover

    - - - - - - Magnet Plate 54E08320 Duct Bottom 26E40710 Stud Docking - - - - - - EME Front Spring 49E73290 Left Docking Bracket 892E15510 Xerox Logo Badge 600K65640 Screw Kit 2/2000 Parts Lists DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 47 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 Parts Lists...
  • Page 48: Pl 1.3 Rear, Left, And Right Covers

    PL 1.3 Rear, Left, and Right Covers Item Part Description 48E37211 Left Hand Inner Cover 48K50030 Right Hand Cover 48K49621 Upper Rear Cover 48E37410 Lower Rear Cover 600K65640 Screw Kit 3/99 Parts Lists DocuPrint N24, N32 and N40 Service Manual...
  • Page 49 3/99 DocuPrint N24, N32 and N40 Service Manual Parts Lists...
  • Page 50: Pl 2.1 Tray Unit (1 Of 2)

    - - - - - - Stopper {P/O Item 1} - - - - - - Tray Housing {P/O Item 1} - - - - - - Washer {P/O Item 1} 600K65640 Screw Kit 3/99 Parts Lists 3-10 DocuPrint N24, N32 and N40 Service Manual...
  • Page 51 3/99 DocuPrint N24, N32 and N40 Service Manual 3-11 Parts Lists...
  • Page 52: Pl 2.2 Tray Unit (2 Of 2)

    Pulley {P/O PL 2.1, Item 1} - - - - - - Guide Actuator {P/O PL 2.1, Item 1} 600K61610 Tray Cables Kit {Includes 2 each of Items 4 and 5} 600K65640 Screw Kit 3/99 Parts Lists 3-12 DocuPrint N24, N32 and N40 Service Manual...
  • Page 53 3/99 DocuPrint N24, N32 and N40 Service Manual 3-13 Parts Lists...
  • Page 54: Pl 3.1 Tray Interface - Tray 1

    - - - - - - Left Spacer 23E08660 Link Stopper Tray 1 & 2 809E05870 Torsion Spring 600K65440 Actuator Sensor Kit (Tray 1 Only) {Includes Items 3 and 4} 600K65640 Screw Kit 3/99 Parts Lists 3-14 DocuPrint N24, N32 and N40 Service Manual...
  • Page 55 3/99 DocuPrint N24, N32 and N40 Service Manual 3-15 Parts Lists...
  • Page 56: Pl 3.2 Paper Pick Up - Tray 1

    - - - - - - Bearing {P/O Item 5} 600K56740 Pick Up Gear Kit {Includes Items 1 and 3} 600K61600 Feed Roll Kit {Includes six of Item 6} 600K65640 Screw Kit 3/99 Parts Lists 3-16 DocuPrint N24, N32 and N40 Service Manual...
  • Page 57 3/99 DocuPrint N24, N32 and N40 Service Manual 3-17 Parts Lists...
  • Page 58: Pl 3.3 Retard And Take Away - Tray 1

    Feed Roll Kit {Includes six of Item 6} - - - - - - Frame {P/O Item 26} 600K65460 Complete Retard/Take Away Assembly {Includes Items 1, 9 through 22, and 25} 600K65640 Screw Kit 2/2000 Parts Lists 3-18 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 59 3/99 DocuPrint N24, N32 and N40 Service Manual 3-19 Parts Lists...
  • Page 60: Pl 3.4 Tray Interface - Tray 2

    - - - - - - Left Spacer 23E08660 Link Stopper 809E05870 Torsion Spring 600K56730 Actuator Sensor Kit (Trays 2 through 5) {Includes Items 3 and 4} 600K65640 Screw Kit 3/99 Parts Lists 3-20 DocuPrint N24, N32 and N40 Service Manual...
  • Page 61 3/99 DocuPrint N24, N32 and N40 Service Manual 3-21 Parts Lists...
  • Page 62: Pl 3.5 Paper Pick Up - Tray 2

    - - - - - - Bearing {P/O Item 5} 600K60960 Pickup Gear Kit {Includes Items 1 and 3} 600K61600 Feed Roll Kit {Includes six of Item 6} 600K65640 Screw Kit 3/99 Parts Lists 3-22 DocuPrint N24, N32 and N40 Service Manual...
  • Page 63 3/99 DocuPrint N24, N32 and N40 Service Manual 3-23 Parts Lists...
  • Page 64: Pl 3.6 Retard And Take Away - Tray 2

    Take Away Gear Kit {Includes Items 2, 9, and 16} 600K61600 Feed Roll Kit {Includes six of Item 5} 600K65480 Complete Retard/Take Away Assembly {Includes Items 1, and 9 through 17} 600K65640 Screw Kit 2/2000 Parts Lists 3-24 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 65 3/99 DocuPrint N24, N32 and N40 Service Manual 3-25 Parts Lists...
  • Page 66: Pl 3.7 Feed Drive Transmission

    Spring Torsion {P/O Item 12} - - - - - - Bearing {P/O Item 12} 600K60980 Feed Drive Repair Kit {Includes Items 1, 2, 4, and 6 through 11} 600K65640 Screw Kit 3/99 Parts Lists 3-26 DocuPrint N24, N32 and N40 Service Manual...
  • Page 67 3/99 DocuPrint N24, N32 and N40 Service Manual 3-27 Parts Lists...
  • Page 68: Pl 4.1 Multi-Sheet Bypass Feeder (Mbf) / Duplex Support

    Hinge Stud {P/O Item 7} - - - - - - Tray Spring {P/O Item 7} - - - - - - Harness Clamp {P/O Item 7} 600K65640 Screw Kit 2/2000 Parts Lists 3-28 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 69 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 3-29 Parts Lists...
  • Page 70: Pl 4.2 Multi-Sheet Bypass Feeder Assembly

    Hook Spring {P/O Item 17} - - - - - - Lower Chute {P/O Item 17} 59K06110 MBF Supporting Assembly (Includes Items 1 through 16 and PL 4.3 Item 1) 600K65640 Screw Kit 2/2000 Parts Lists 3-30 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 71 3/99 DocuPrint N24, N32 and N40 Service Manual 3-31 Parts Lists...
  • Page 72: Pl 4.3 Mbf Upper Feeder Assembly

    - - - - - - Friction Clutch Gear {P/O Item 1} {P/O Item 14} - - - - - - Upper Feeder Frame {P/O Item 1} 600K65640 Screw Kit 2/2000 Parts Lists 3-32 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 73 3/99 DocuPrint N24, N32 and N40 Service Manual 3-33 Parts Lists...
  • Page 74: Pl 4.4 Mbf Tray Assembly

    Lower Cover {P/O Item 1} - - - - - - Tray {P/O Item 1} - - - - - - Upper Cover {P/O Item 1} 600K65640 Screw Kit 3/99 Parts Lists 3-34 DocuPrint N24, N32 and N40 Service Manual...
  • Page 75 3/99 DocuPrint N24, N32 and N40 Service Manual 3-35 Parts Lists...
  • Page 76: Pl 5.1 Tray 1 Frame And Left Cover

    Grounding Metal {P/O Item 8} - - - - - - Left Middle Cover {P/O Item 8} - - - - - - Left Hand Frame 130E81311 Take Away Sensor 600K65640 Screw Kit 3/99 Parts Lists 3-36 DocuPrint N24, N32 and N40 Service Manual...
  • Page 77 3/99 DocuPrint N24, N32 and N40 Service Manual 3-37 Parts Lists...
  • Page 78: Pl 5.2 Tray 2 Frame And Left Cover

    - - - - - - Rear Support - - - - - - Washer {P/O Item 3} - - - - - - Door B Interlock/Jam Sensor Harness 600K65640 Screw Kit 3/99 Parts Lists 3-38 DocuPrint N24, N32 and N40 Service Manual...
  • Page 79 3/99 DocuPrint N24, N32 and N40 Service Manual 3-39 Parts Lists...
  • Page 80: Pl 6.1 Registration

    - - - - - - Static Eliminator {P/O Item 4} 130E81311 Registration Sensor 103K80192 Resistor/Capacitor Assembly Tag 15 - - - - - - Left Hand Frame 600K65640 Screw Kit 2/2000 Parts Lists 3-40 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 81 3/99 DocuPrint N24, N32 and N40 Service Manual 3-41 Parts Lists...
  • Page 82: Pl 6.2 Left Upper Cover Assembly

    Paper Guide {P/O Item 3} {P/O Item 7} - - - - - - Pulley {P/O Item 3} {P/O Item 7} 74E91101 Cover Support {P/O Item 3} 600K65640 Screw Kit 2/2000 Parts Lists 3-42 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 83 3/99 DocuPrint N24, N32 and N40 Service Manual 3-43 Parts Lists...
  • Page 84: Pl 6.3 Transport Chute Assembly

    - - - - - - Rear Frame {P/O PL 6.2 Item 3} - - - - - - Handle Assembly {P/O PL 6.2 Item 3} 600K65640 Screw Kit 3/99 Parts Lists 3-44 DocuPrint N24, N32 and N40 Service Manual...
  • Page 85 3/99 DocuPrint N24, N32 and N40 Service Manual 3-45 Parts Lists...
  • Page 86: Pl 7.1 Laser Assembly

    PL 7.1 Laser Assembly Item Part Description 62K97924 Laser Assembly 600K65640 Screw Kit 2/2000 Parts Lists 3-46 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 87 3/99 DocuPrint N24, N32 and N40 Service Manual 3-47 Parts Lists...
  • Page 88: Pl 7.2 Xerography And Development

    PWB Stud 113R00173 EP Cartridge 113R00184 EP Cartridge (Xerox Europe) 109R00486 115V Customer Maintenance Kit {Includes Item 1} 109R00487 220V Customer Maintenance Kit {Includes Item 1} 600K65640 Screw Kit 2/2000 Parts Lists 3-48 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 89 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 3-49 Parts Lists...
  • Page 90: Pl 8.1 Fuser Assembly

    126K10011 Fuser Assembly - 115V 126K10021 Fuser Assembly - 220V 109R00486 115V Customer Maintenance Kit {Includes Item 1} 109R00487 220V Customer Maintenance Kit {Includes Item 1} 600K65640 Screw Kit 2/2000 Parts Lists 3-50 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 91 3/99 DocuPrint N24, N32 and N40 Service Manual 3-51 Parts Lists...
  • Page 92: Pl 9.1 Exit Lower Chute

    - - - - - - Lower Chute {P/O Item 1} - - - - - - Exit/Stack Full Harness Assembly 110K98830 Stack Full Switch Assembly (Includes items 16 through 19) 600K65640 Screw Kit 2/2000 Parts Lists 3-52 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 93 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 3-53 Parts Lists...
  • Page 94: Pl 9.2 Offset Roller

    - - - - - - Offset Shaft Pin {P/O PL 9.1 Item 1} - - - - - - 19T Gear {P/O PL 9.1 Item 1} 600K65640 Screw Kit 2/2000 Parts Lists 3-54 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 95 3/99 DocuPrint N24, N32 and N40 Service Manual 3-55 Parts Lists...
  • Page 96: Pl 9.3 Exit Upper Chute Assembly

    Exit Gate {P/O Item 1} - - - - - - Exit Gate Spring {P/O Item 1} - - - - - - J Pinch Spring Assembly {P/O Item 1} 600K65640 Screw Kit 3/99 Parts Lists 3-56 DocuPrint N24, N32 and N40 Service Manual...
  • Page 97 3/99 DocuPrint N24, N32 and N40 Service Manual 3-57 Parts Lists...
  • Page 98: Pl 9.4 Exit Drive Assembly

    Front Inverter Exit Gear {P/O Item 1} - - - - - - Inverter Bracket {P/O Item 1} - - - - - - Exit Wire Harness {P/O Item 1} 600K65640 Screw Kit 3/99 Parts Lists 3-58 DocuPrint N24, N32 and N40 Service Manual...
  • Page 99 3/99 DocuPrint N24, N32 and N40 Service Manual 3-59 Parts Lists...
  • Page 100: Pl 10.1 Main Drive Assembly

    PL 10.1 Main Drive Assembly Item Part Description 7K83446 Main Drive Assembly 7K83507 Alternative 600K65640 Screw Kit 2/2000 Parts Lists 3-60 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 101 3/99 DocuPrint N24, N32 and N40 Service Manual 3-61 Parts Lists...
  • Page 102: Pl 10.2 Fuser Drive Assembly

    - - - - - - Harness Clamp 2 - - - - - - Harness Clamp 3 - - - - - - Fuser Harness Assembly 600K65640 Screw Kit 3/99 Parts Lists 3-62 DocuPrint N24, N32 and N40 Service Manual...
  • Page 103 3/99 DocuPrint N24, N32 and N40 Service Manual 3-63 Parts Lists...
  • Page 104: Pl 11.1 Power Inlet And Lvps

    115V LVPS Assembly 105K94952 220V LVPS Assembly 117K17510 115V Power Cord w/ GFI 117K26830 220V Power Cord w/ GFI - - - - - - Manufacturing Test Connector 600K65640 Screw Kit 3/99 Parts Lists 3-64 DocuPrint N24, N32 and N40 Service Manual...
  • Page 105 3/99 DocuPrint N24, N32 and N40 Service Manual 3-65 Parts Lists...
  • Page 106: Pl 11.2 Hvps And Printer Engine Controller Pwb

    - - - - - - 600K67000 Hashika Repair Kit (Tag 6) [Includes Item 4, Item 9, & Instructions] [FOR USE ON PRE-TAG 7 PRINTERS ONLY] 600K65640 Screw Kit 2/2000 Parts Lists 3-66 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 107 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 3-67 Parts Lists...
  • Page 108: Pl 11.3 System Controller Assembly

    Ferrite Core {P/O Item 18} - - - - - - Laser Video Harness 14E35020 Hard Disk Drive Right Side Standoff 14E35030 Hard Disk Drive Left Side Standoff 600K65640 Screw Kit 2/2000 Parts Lists 3-68 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 109 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 3-69 Parts Lists...
  • Page 110: Pl 12.1 Part Number Locator Listing

    026P62716 PL 8.4.2.1-11 013E93460 PL 8.5.2.4-24 048K58511 PL 8.5.2.24-28 PL 8.2.2.8-5 014E35020 PL 11.3-21 048K58551 PL 8.5.2.3-1 027E91800 PL 8.5.2.4-21 014E35030 PL 11.3-22 048K58590 PL 8.5.2.15-1 029K91704 PL 8.5.2.14-9 2/2000 Parts Lists 3-70 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 111 PL 8.1.2.4-15 054K06202 PL 9.1-6 121K87190 PL 8.3.2.2-11 110E93460 PL 11.2-10 054K08201 PL 8.2.2.3-11 126K10011 PL 8.1-1 110E94000 PL 8.2.2.6-17 054K08504 PL 9.3-1 126K10021 PL 8.1-1 110E94510 PL 8.5.2.3-3 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 3-71 Parts Lists...
  • Page 112 PL 8.5.2.21-7 PL 8.5.2.9-26 130K83340 PL 8.1.2.3-9 162K31690 PL 8.5.2.9-2 600K61870 PL 8.5.2.5-26 PL 8.1.2.4-14 162K31700 PL 8.5.2.9-14 PL 8.5.2.7-25 130K83360 PL 4.4-4 162K31720 PL 8.5.2.3-6 PL 8.5.2.9-25 PL 8.3.2.1-16 2/2000 Parts Lists 3-72 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 113 PL 1.1-5 891E42990 PL 1.1-5 891E43000 PL 1.1-5 891E43010 PL 1.1-5 891E43020 PL 1.1-5 891E68020 PL 1.1-5 891E68030 PL 1.1-5 891E68040 PL 1.1-5 891E68050 PL 1.1-5 892E15510 PL 1.2-9 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 3-73 Parts Lists...
  • Page 114 Notes: 2/2000 Parts Lists 3-74 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 115: Repair Procedures

    REP 4.2.7 Tray 2 Take Away Roll and Retard Assembly ....4-31 REP 4.2.8 Tray 1 & 2 Lift Up Sensor ..........4-34 REP 4.2.9 Tray 1 & 2 No Paper Sensor ......... 4-35 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 Repair Procedures...
  • Page 116 REP 4.8.2 Exit Drive Assembly ............4-73 REP 4.8.3 Face Up Exit Sensor ............. 4-74 REP 4.8.4 Exit Gate Solenoid............4-75 REP 4.8.5 Stack Full Sensor ............4-76 REP 4.8.6 Offset Motor..............4-77 2/2000 Repair Procedures DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 117 ADJ 4.4 Overall Side Edge Registration - Simplex ......4-106 ADJ 4.5 Individual Side Edge Registration - Simplex ....4-108 ADJ 4.6 Overall Side Edge Registration - Duplex......4-110 ADJ 4.7 Individual Side Edge Registration - Duplex ..... 4-112 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 Repair Procedures...
  • Page 118: Overview

    This manual reflects the configuration of the printer at the time the manual was created. As the printer matures, the number of screws, bolts, E-Rings, etc. attaching components, the placement of hardware, the placement of wire runs, or the design of the components may change. 3/99 Repair Procedures DocuPrint N24, N32 and N40 Service Manual...
  • Page 119: Rep 4.1 Covers

    6 Rotate the cover slightly, in the direction of the arrows to release the lock tabs (Figure 4.1.1a). The lock tabs are illustrated in figure 4.1.1b. 7 Lift the Fuser Full Cover off of the Top Cover Assembly. Figure 4.1.1a. Fuser Full Cover. 3/99 DocuPrint N24, N32 and N40 Service Manual Repair Procedures...
  • Page 120 5 Press the Fuser Full Cover into place. Make sure the tabs remain in place. 6 Use two screws to secure the Fuser Full Cover. 7 Verify proper operation. Figure 4.1.1b. Fuser Full Cover Replacement. 3/99 Repair Procedures DocuPrint N24, N32 and N40 Service Manual...
  • Page 121: Rep 4.1.2 Top Cover Assembly

    6 Disconnect the Fuser Fan in-line connector (Figure 4.1.2a). 7 Disconnect the wire harness attached to the Control Panel(Figure 4.1.2a). 8 Lift the Top Cover Assembly off of the printer frame. Figure 4.1.2a. Top Cover Assembly. 3/99 DocuPrint N24, N32 and N40 Service Manual Repair Procedures...
  • Page 122 5 Use two screws to secure the Top Cover Assembly to the Right Cover. 6 Reinstall the Fuser Full Cover. 7 Verify proper operation. Figure 4.1.2b. Reinstalling Top Cover Assembly. 3/99 Repair Procedures DocuPrint N24, N32 and N40 Service Manual...
  • Page 123: Rep 4.1.3 Upper Rear Cover Assembly

    3 Use two screws to secure the Rear Cover Assembly to the printer frame. 4 Reconnect the AC power cord to the rear of the printer. 5 Verify proper operation. 3/99 DocuPrint N24, N32 and N40 Service Manual Repair Procedures...
  • Page 124: Rep 4.1.4 Lower Rear Cover

    4 Lift the cover 1/4” (6 mm), pull the Rear Cover away from the printer frame (Figure 4.1.3a). Figure 4.1.4a. Rear Cover Assembly. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 3/99 Repair Procedures 4-10 DocuPrint N24, N32 and N40 Service Manual...
  • Page 125: Rep 4.1.5 Right Cover

    4 Make sure the Top Cover screw tabs rest on top of the Right Cover. 5 Use two screws to secure the Right Cover to the printer frame. 6 Verify proper operation. Figure 4.1.5b. Right Cover Replacement. 3/99 DocuPrint N24, N32 and N40 Service Manual 4-11 Repair Procedures...
  • Page 126: Rep 4.1.6 Left Upper Cover Assembly

    4 Use two screws to secure the two Cover Support Straps to the frame. 5 Reinstall the Rear Cover. 6 Open and close the Cover to make sure it opens and latches correctly. 7 Verify proper operation. 3/99 Repair Procedures 4-12 DocuPrint N24, N32 and N40 Service Manual...
  • Page 127 Figure 4.1.6a. Left Upper Cover Assembly. 3/99 DocuPrint N24, N32 and N40 Service Manual 4-13 Repair Procedures...
  • Page 128: Rep 4.1.7 Control Panel

    1 Position the Control Panel over the opening in the Top Cover Assembly, and press the Panel into the opening until it snaps into place. 2 Reinstall the Top Cover. 3 Verify proper operation. 3/99 Repair Procedures 4-14 DocuPrint N24, N32 and N40 Service Manual...
  • Page 129: Rep 4.2 Tray

    3 Secure the Motor to the frame with the screws. 4 Reconnect the harness to the rear of the Lift Up Motor. 5 Reinstall the Upper Rear Cover Assembly. 6 Reinstall Tray 1. 7 Verify proper operation. 3/99 DocuPrint N24, N32 and N40 Service Manual 4-15 Repair Procedures...
  • Page 130: Rep 4.2.2 Tray 2 Lift Up Motor

    3 Secure the Motor to the frame with the screws. 4 Reconnect the harness to the rear of the Lift Up Motor. 5 Reinstall the Lower Rear Cover Assembly. 6 Reinstall Tray 2. 7 Verify proper operation. 3/99 Repair Procedures 4-16 DocuPrint N24, N32 and N40 Service Manual...
  • Page 131: Rep 4.2.3 Tray 1 Feed Clutch

    5 Reinstall the Left Hand Inner Cover. 6 Close the Upper Left Hand Cover and reinstall the Duplex Unit, if removed. 7 Reinstall the Upper Rear Cover Assembly. 8 Verify proper operation. 3/99 DocuPrint N24, N32 and N40 Service Manual 4-17 Repair Procedures...
  • Page 132: Rep 4.2.4 Tray 2 Feed Clutch

    5 Use the E ring to secure the Clutch to the shaft. 6 Reconnect the wire harness to the inline connector. 7 Reinstall the Lower Rear Cover Assembly. 8 Verify proper operation. 3/99 Repair Procedures 4-18 DocuPrint N24, N32 and N40 Service Manual...
  • Page 133: Rep 4.2.5 Tray 1 & 2 Feed Roll, Nudger Roll, And Retard Roll

    Use a small screwdriver to gently pull out on the tab on the front of the Chute, and remove the Chute. Pull out on the Roll latch and slide the Rolls off of the shaft. Repeat for the remaining two rolls. Figure 4.2.5a. Feed, Nudger, and Retard Roll. 3/99 DocuPrint N24, N32 and N40 Service Manual 4-19 Repair Procedures...
  • Page 134 5 Reinstall the paper tray. 6 Verify proper operation and check registration using ADJ 4.1. NOTE: Repeat steps 1 through 6 for each tray if its respective rolls are replaced. 3/99 Repair Procedures 4-20 DocuPrint N24, N32 and N40 Service Manual...
  • Page 135: Rep 4.2.6 Tray 1 Take Away Roll And Retard Assembly

    16 Position two reams of paper in to the cavity occupied by Tray 1 (avoid switches and sensors) (Figure 4.2.6c). NOTE: The two reams of paper will be supporting the printer while the retard frame assembly is removed. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-21 Repair Procedures...
  • Page 136 18 Open the front door and remove the two screws that secure the front of the Retard Assembly to the printer frame (Figure 4.2.6d). Figure 4.2.6d. Retard Assembly Mounting Screws. 2/2000 Repair Procedures 4-22 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 137 22 Carefully lift the upper printer assembly (if working alone, insert an additional 1/4” to 3/8” of paper on top of the two reams of paper to provide clearance). 23 Remove the Retard Assembly (Figure 4.2.6g). 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-23 Repair Procedures...
  • Page 138 30 Remove the screw that secures the Spring Support Assembly and bracket (Figure 4.2.6i). Remove the Spring Support Assembly. 31 Remove the outboard bearing, the E-ring, then the inboard bearing (Figure 4.2.6i). 2/2000 Repair Procedures 4-24 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 139 38 Release the lock tabs and remove the bearing from the front end of the Take Away Roll Shaft (Figure 4.2.6j). 39 Slide the Take Away Roll Shaft and the Retard assembly toward the rear until the front of the shaft is free of the assembly. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-25 Repair Procedures...
  • Page 140 41 Remove the screw that secures the Spring Support Assembly and bracket (Figure 4.2.6l). 42 Remove the Spring Support Assembly (Figure 4.2.6l). 43 Remove the outboard bearing, the E-ring, then the inboard bearing (Figure 4.2.6l). 2/2000 Repair Procedures 4-26 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 141 52 Slide the Take Away Roll Shaft and the Retard assembly toward the rear until the front of the shaft is free of the assembly. Figure 4.2.6m. Take Away Roll Assembly. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-27 Repair Procedures...
  • Page 142 Figure 4.2.6o. Reinstalling the Retard Assembly. 9 Install the Take Away Sensor into the new assembly and connect the harness (Figure 4.2.6h). 10 Install the spacer in the assembly (Figure 4.2.6p). 2/2000 Repair Procedures 4-28 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 143 19 Install the two screws in the front and the three screws in the back to secure the Retard Assembly. 20 Install the Left Docking Bracket (Figure 4.2.6r). 21 Install the Retard Assembly Spring (Figure 4.2.6s). 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-29 Repair Procedures...
  • Page 144 24 Reconnect P/J403 to the Printer Engine Controller PWB (Figure 4.2.6a). 25 Secure all harness in the cable clamps. 26 Reinstall all remaining components. 27 Check machine for proper operation. Figure 4.2.6r. Docking Bracket. Figure 4.2.6s. Retard Assembly Spring. 2/2000 Repair Procedures 4-30 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 145: Rep 4.2.7 Tray 2 Take Away Roll And Retard Assembly

    11 Remove the Retard Assembly Spring (Figure 4.2.7a). 12 Remove the E-ring from between the center white bearing and the rubber roll (Figure 4.2.7a). Figure 4.2.7a. Take Away Roll. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-31 Repair Procedures...
  • Page 146 20 Note the position and direction of all the bearings on the Take Away Roll Shaft. 21 Remove the E-ring that secures the Retard Assembly to the Take Away Roll Shaft. Remove the Retard Assembly (Figure 4.2.7b). Figure 4.2.7b. Take Away Roll. 2/2000 Repair Procedures 4-32 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 147 (Figure 4.2.7c). 14 Reinstall the Lower Left Cover Interlock Sensor. 15 Reinstall the remaining components. 16 Verify proper operation. Figure 4.2.7c. Take Away Roll Replacement. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-33 Repair Procedures...
  • Page 148: Rep 4.2.8 Tray 1 & 2 Lift Up Sensor

    4 Release the lock tabs on the back of the Lift Up Sensor (Figure 4.2.8a). 5 Disconnect the harness from the sensor. Figure 4.2.8a. Lift Up Sensor. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 Repair Procedures 4-34 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 149: Rep 4.2.9 Tray 1 & 2 No Paper Sensor

    3 Release the rear lock tab on the back of the No Paper Sensor (Figure 4.2.9a). 4 Disconnect the harness from the sensor. Figure 4.2.9a. No Paper Sensor. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-35 Repair Procedures...
  • Page 150: Rep 4.2.10 Tray 1 & 2 Size Switch Assembly

    Switch PWB. Figure 4.2.10a. Size Switch Assembly. Replacement 1 Install the two standoffs on the Size Switch PWB. 2 Assemble the remaining components in reverse order. 3 Verify proper operation. 2/2000 Repair Procedures 4-36 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 151: Rep 4.2.11 Tray 1 Feeder Assembly

    10 Remove the Tray 1 Retard Roll (REP 4.2.5) (Figure 4.2.11b). 11 Remove the Tray 1 Spacer and Clutch Assembly (Figure 4.2.11b). 12 Slide Feeder Assembly out of printer (Figure 4.2.11b). 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-37 Repair Procedures...
  • Page 152 6 Reinstall the Upper Rear Cover. 7 Reinstall the Lift Up Sensor. 8 Reinstall Tray 1. 9 Close the Upper Left Cover. 10 Replace Duplex Unit, if removed. 11 Verify proper operation. 2/2000 Repair Procedures 4-38 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 153: Rep 4.2.12 Tray 2 Feeder Assembly

    9 Remove the Tray 2 Retard Roll (REP 4.2.5) (Figure 4.2.12b). 10 Remove the Tray 2 Spacer and Clutch Assembly (Figure 4.2.12b). 11 Slide Feeder Assembly out of printer (Figure 4.2.11b). 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-39 Repair Procedures...
  • Page 154 5 Reinstall the Tray 2 Feed Clutch. 6 Reinstall the Lower Rear Cover. 7 Reinstall the Upper Rear Cover. 8 Reinstall the Lift Up Sensor. 9 Reinstall Tray 2. 10 Verify proper operation. 2/2000 Repair Procedures 4-40 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 155: Rep 4.3 Multisheet Bypass Feeder (Mbf) Assembly

    1 Hold the MBF Assembly level with the MBF mounting bracket. 2 Slide the MBF Assembly into the mounting bracket until it locks into place. 3 Reinstall the Duplex Unit. 4 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-41 Repair Procedures...
  • Page 156: Rep 4.3.2 Mbf Tray Assembly

    8 Push on the Front Support as you slightly bow the Tray, and release the pivot hole on the side of the Tray from the metal shaft on the Front Support (Figure 4.3.2b). 9 Remove the MBF Tray Assembly. Figure 4.3.2b. MBF Tray Assembly. 2/2000 Repair Procedures 4-42 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 157 5 Reinstall the MBF Top Cover and use two screws to secure it to the MBF Assembly. 6 Reinstall the MBF Assembly. 7 Reinstall the Duplex Unit. 8 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-43 Repair Procedures...
  • Page 158: Rep 4.3.3 Mbf Feed Roll

    Sensor Bracket out of the way. 6 Remove the K-clip securing the MBF Feed Roll to the Feed Shaft, and slide the Feed Roll off of the shaft. Figure 4.3.3b. MBF Feed Roll. 2/2000 Repair Procedures 4-44 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 159 4 Reinstall the No-Paper Sensor Bracket onto the Feeder Assembly, and use one screw to secure it to the Assembly. 5 Reinstall the MBF Top Cover. 6 Reinstall the MBF Assembly. 7 Reinstall the Duplex Module. 8 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-45 Repair Procedures...
  • Page 160: Rep 4.3.4 Mbf Nudger Roll

    6 Remove the E-ring securing the MBF Gate to the Nudger Shaft and remove the Gate (Figure 4.3.4b). 7 Remove the E-ring securing the Nudger Roll to the Nudger Shaft and slide the Nudger Roll off of the shaft (Figure 4.3.4b). 2/2000 Repair Procedures 4-46 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 161 6 Reinstall and secure the No-Paper Sensor Bracket onto the Feeder Assembly. 7 Reinstall the MBF Top Cover. 8 Reinstall the MBF Assembly. 9 Reinstall the Duplex Module. 10 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-47 Repair Procedures...
  • Page 162: Rep 4.3.5 Mbf Pad

    8 Turn the MBF right side up. 9 Pull back the MBF Paper Guide and slide the MBF Pad to the right and out of the Feeder (Figure 4.3.5a). Figure 4.3.5a. MBF Pad Removal. 2/2000 Repair Procedures 4-48 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 163 5 Press down on the MBF Pad to make sure it moves smoothly and has a spring action return. 6 Reinstall the MBF Nudger Roll. 7 Reinstall the MBF Feed Roll. 8 Reinstall the MBF Assembly. 9 Reinstall the Duplex Module. 10 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-49 Repair Procedures...
  • Page 164: Rep 4.3.6 Mbf No Paper Sensor Assembly

    Sensor Bracket off of the Feeder (Figure 4.3.6b). 6 Disconnect the P/J from the No-Paper Sensor (Figure 4.3.6b). 7 Squeeze the Sensor latches and remove the Sensor from the Bracket (Figure 4.3.6b). 2/2000 Repair Procedures 4-50 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 165 Feeder. Secure the Bracket to the Feeder. 6 Manually actuate the MBF Gate to make sure it moves freely between the arms of the Sensor. 7 Reinstall the MBF Assembly. 8 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-51 Repair Procedures...
  • Page 166: Rep 4.3.7 Mbf Feed Clutch

    5 Remove the screw securing the MBF Rear Hook Bracket to the Feeder Assembly (Figure 4.3.7b). 6 Disconnect the P/J running to the MBF Feed Clutch. Figure 4.3.7b. MBF Rear Hook. 2/2000 Repair Procedures 4-52 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 167 10 Remove the E-ring securing the MBF Feed Clutch to the Feed Shaft and slide the Clutch off of the Feed Shaft (Figure 4.3.7d). Figure 4.3.7d. MBF Feed Clutch. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-53 Repair Procedures...
  • Page 168 9 Tighten the screw located under the clutch notch. 10 Reinstall the MBF Top Cover. 11 Reinstall the MBF Assembly. 12 Reinstall the Duplex Module. 13 Verify proper operation. 2/2000 Repair Procedures 4-54 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 169: Rep 4.4 Registration

    2 Use the E-ring to secure the Registration Clutch to the Registration Shaft. 3 Reconnect P/J 200 from the Registration Clutch. 4 Reinstall the Rear Cover. 5 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-55 Repair Procedures...
  • Page 170: Rep 4.4.2 Registration Sensor

    4 Squeeze the locking tabs on each side of the Sensor and pull the sensor out (Figure 4.4.2a). 5 Disconnect the harness from the rear of the sensor (Figure 4.4.2a). Figure 4.4.2a. Registration Sensor. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 Repair Procedures 4-56 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 171: Rep 4.4.3 Registration Roller Assembly

    14 Slide the rear bearing toward the front of the printer. 15 Slide the Registration Shaft toward the rear until the front of the shaft is free of the printer frame. Remove the Registration Shaft. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-57 Repair Procedures...
  • Page 172 7 Reinstall the Registration Clutch. 8 Reattach the two Cover Support Straps to the Upper Left Cover Assembly. 9 Reinstall the remaining components and covers. 10 Verify proper operation. 2/2000 Repair Procedures 4-58 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 173: Rep 4.5 Xerographics

    7 If you are removing the EP Cartridge as part of another Repair Procedure, place the EP Cartridge in a dark box or cover it with a dark cloth to protect it from exposure to light. Figure 4.5.1a. EP Cartridge Removal. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-59 Repair Procedures...
  • Page 174 7 Hold the edges of the EP Cartridge and pull out, to make sure it is latched in place. 8 Close the Front Left Cover. 9 Close the Left Upper Cover 10 Close the Duplex Unit. 11 Verify proper operation. 2/2000 Repair Procedures 4-60 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 175: Rep 4.5.2 Btr (Bias Transfer Roll)

    5 Holding on to just the bearings, lift the bearings until the BTR comes free of the BTR Assembly (Figure 4.5.2a). Figure 4.5.2a. Bias Transfer Roll. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-61 Repair Procedures...
  • Page 176: Rep 4.5.3 Charge Bias Assembly

    NOTE: Figure 4.5.3c shows the correct angle to provide proper alignment of the spring to contact the EP Cartridge when Door A is closed and during normal print operation. Figure 4.5.3a. Charge Bias Assembly Location. 2/2000 Repair Procedures 4-62 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 177 Figure 4.5.3b. Charge Bias Assembly Removal. Figure 4.5.3c. Charge Bias Assembly. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-63 Repair Procedures...
  • Page 178: Rep 4.6 Laser

    6 Place the Laser Assembly on a flat and stable surface. CAUTION Do not remove covers or disassemble the Laser Assembly. There are no replaceable parts or field adjustable points located inside the Laser Assembly. 2/2000 Repair Procedures 4-64 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 179 3 Use four screws to secure the Laser Assembly to the printer frame. 4 Reconnect the three P/J connectors and the video cable to the Laser. 5 Reinstall the LVPS. 6 Reinstall the System Controller Housing Assembly. 7 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-65 Repair Procedures...
  • Page 180: Rep 4.7 Fuser Assembly

    5 Loosen the two thumb screws that secure the Fuser Assembly to the printer frame. 6 Hold onto the Fuser Handles and slide the Fuser Assembly forward and out of the printer frame (Figure 4.7.1a). Figure 4.7.1a. Fuser Assembly. 2/2000 Repair Procedures 4-66 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 181 6 Use two thumb screws to secure the Fuser Assembly to the printer frame. 7 Close the Upper Left Cover and the Duplex Unit, if installed. 8 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-67 Repair Procedures...
  • Page 182: Rep 4.7.2 Fuser Drive Assembly

    7 Release the two springs that are connected to the Fuser Drive Assembly. 8 Remove the E-ring that secures the Drive Assembly to the frame (Figure 4.7.2a). 9 Remove the Fuser Drive Assembly. Figure 4.7.2a. Fuser Drive Assembly. 2/2000 Repair Procedures 4-68 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 183 2 Reinstall the Duct Bottom. 3 Reinstall the Fuser Assembly. 4 Reinstall the Top Cover Assembly. 5 Reinstall the Fuser Full Cover. 6 Reinstall the EP Cartridge. 7 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-69 Repair Procedures...
  • Page 184: Rep 4.7.3 Fuser Exit Sensor

    8 Release the two locking tabs on each end of the Fuser Exit Sensor. Remove the sensor. Figure 4.7.3a. Fuser Exit Sensor Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 Repair Procedures 4-70 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 185: Rep 4.8 Offset / Exit Assembly

    Offset / Exit Assembly to the printer frame (Figure 4.8.1a). 8 Lift the Offset / Exit Assembly up and off of the printer frame. Figure 4.8.1a. Offset / Exit Assembly. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-71 Repair Procedures...
  • Page 186 Offset / Exit Assembly to the printer frame. 5 Reconnect the four P/Js to the Offset / Exit Assembly. 6 Reinstall the Rear Cover Assembly. 7 Reinstall the Fuser Full Cover. 8 Verify proper operation. 2/2000 Repair Procedures 4-72 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 187: Rep 4.8.2 Exit Drive Assembly

    Offset / Exit Assembly. 4 Use three screws to secure the Exit Drive Assembly to the Offset / Exit Assembly. 5 Reinstall the Offset / Exit Assembly. 6 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-73 Repair Procedures...
  • Page 188: Rep 4.8.3 Face Up Exit Sensor

    5 Release the locking tabs on each end of the Face Up Exit Sensor (Figure 4.8.3a). Remove the sensor. Figure 4.8.3a. Face Up Exit Sensor. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 Repair Procedures 4-74 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 189: Rep 4.8.4 Exit Gate Solenoid

    5 Remove the two screws that secure the solenoid to the front of the Offset / Exit Assembly (Figure 4.8.4a). Remove the solenoid. Figure 4.8.4a. Exit Gate Solenoid. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-75 Repair Procedures...
  • Page 190: Rep 4.8.5 Stack Full Sensor

    5 Remove the two screws that secure the Sensor Bracket to the Offset / Exit Assembly (Figure 4.8.5a). Remove the Sensor Bracket and Actuator. Figure 4.8.5a. Stack Full Sensor. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 Repair Procedures 4-76 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 191: Rep 4.8.6 Offset Motor

    7 Disconnect the harness from the Offset Motor. 8 Remove the two screws that secure the Offset Motor to the mounting bracket. Figure 4.8.6a. Offset Motor. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-77 Repair Procedures...
  • Page 192: Rep 4.9 Main Drive

    9 From the rear of the Offset / Exit Assembly, disconnect the three lower connectors (P/J 209, 600, and 601) (Figure 4.9.1a). Figure 4.9.1a. Offset / Exit Assembly Connectors. 2/2000 Repair Procedures 4-78 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 193 15 Remove the screw securing the green ground wire to the Main Drive Assembly, and move the wire out of the way (Figure 4.9.1b). Figure 4.9.1b. Main Drive Assembly. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-79 Repair Procedures...
  • Page 194 6 Secure the wire harness at the top of the Main Drive Assembly to the wire clip that is located just above the Main Motor. 7 Reconnect CN1 to the Main Motor PWB. 2/2000 Repair Procedures 4-80 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 195 15 Reinstall the Inner Cover - LH, and use one screw to secure the Cover to the printer frame. 16 Reinstall the Rear Cover. 17 Reinstall the EP Cartridge. 18 Reinstall the Fuser Full Cover 19 Close the Left Upper Cover Assembly. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-81 Repair Procedures...
  • Page 196: Rep 4.10 Electronics

    4 Make sure you align the screw hole in the Bracket with the screw hole in the Power Supply. 5 Use one screw to secure the Bracket to the Power Supply Assembly. 6 Reinstall the Top Cover Assembly. 7 Verify proper operation. 2/2000 Repair Procedures 4-82 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 197: Rep 4.10.2 Lvps Assembly

    10 Disconnect the LVPS Fan inline connector and remove harness from the harness clamp (Figure 4.10.2b). 11 Remove the five screws securing the LVPS to the printer frame (Figure 4.10.2b). 12 Remove the LVPS Assembly. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-83 Repair Procedures...
  • Page 198 8 Reinstall the System Controller Housing Assembly and use four screws to secure it to the top of the LVPS. 9 Reinstall the Right Cover. 10 Reinstall the Top Cover Assembly. 11 Verify proper operation. 2/2000 Repair Procedures 4-84 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 199: Rep 4.10.3 Ac Driver Pwb

    6 Disconnect all P/Js that are attached to the AC Driver PWB (Figure 4.10.3a). 7 Release the four latches securing the PWB to the printer frame and remove the PWB (Figure 4.10.3a). Figure 4.10.3a. AC Driver PWB. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-85 Repair Procedures...
  • Page 200 5 Reinstall the System Controller Assembly and use four screws to secure it to the LVPS. 6 Reinstall the Rear Cover Assembly. 7 Reinstall the Top Cover Assembly. 8 Verify proper operation. 2/2000 Repair Procedures 4-86 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 201: Rep 4.10.4 Hvps Assembly

    5 Pull out on the HVPS Assembly while your release the two clips, one at the top and one on the right side, that secure the HVPS to the printer frame (Figure 4.10.4a). 6 Remove the HVPS Assembly from the frame. Figure 4.10.4a. HVPS Assembly. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-87 Repair Procedures...
  • Page 202 — Blue to BTR — White to DTS — White to FB — Black to CB — P500 7 Reinstall the Printer Engine Controller PWB. 8 Verify proper operation. 2/2000 Repair Procedures 4-88 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 203: Rep 4.10.5 Upper Left Cover Interlock Switch Assembly

    7 Rotate the Switch Actuator Lever so it is straight up, and slide it off of the Bracket. 8 Press the two clips securing the Switch to the Bracket and push the Switch out of the Bracket. Figure 4.10.5a. Upper Left Cover Interlock Switch. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-89 Repair Procedures...
  • Page 204 10 Open and close the Left Upper Cover to make sure the Switch functions correctly. 11 Reconnect the two wires to the Interlock Switch. 12 Reinstall the Rear Cover Assembly. 13 Verify proper operation. 2/2000 Repair Procedures 4-90 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 205: Rep 4.10.6 Printer Engine Controller Pwb

    NOTE: Power On Printer and verify operation. If Control Panel displays “Ready”, go to step 5 and complete replacement procedures. If the Control Panel displays an error message call for assistance. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-91 Repair Procedures...
  • Page 206 5 Reinstall the Upper Rear Cover Assembly. 6 Switch the printer power on and enter Diagnostics. Perform Adjustment Procedure (5.4.8). 7 Perform Overall Lead Edge Registration Adjustment (ADJ 4.1). 8 Verify proper operation. 2/2000 Repair Procedures 4-92 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 207: Rep 4.10.7 System Controller Pwb

    4 Tighten the two thumbscrews that secure the System Controller PWB to the printer. 5 Reconnect the interface cables to the connectors on the System Controller PWB. 6 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-93 Repair Procedures...
  • Page 208: Rep 4.10.8 System Controller Pwb Cover

    2 Use fourteen screws to secure the System Controller PWB Cover to the System Controller PWB Box. 3 Reinstall the Top Cover Assembly. 4 Reinstall the Fuser Full Cover. 5 Verify proper operation. 2/2000 Repair Procedures 4-94 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 209: Rep 4.10.9 System Controller Interface Pwb

    9 Remove the four screws securing the System Controller Interface PWB to the System Controller PWB Box (Figure 4.10.9a). 10 Lift the System Controller Interface PWB out of the System Controller PWB Box. Figure 4.10.9a. System Controller Interface PWB. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-95 Repair Procedures...
  • Page 210 7 Reconnect the four connectors to the System Controller Interface PWB. 8 Reconnect the video cable. 9 Reinstall the System Controller PWB Cover. 10 Reinstall the Top Cover. 11 Reinstall the Fuser Full cover. 12 Verify proper operation. 2/2000 Repair Procedures 4-96 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 211: Rep 4.10.10 Toner Sensor

    Toner Sensor up. 10 Remove the Toner Sensor Harness from the harness channel. Remove the Toner Sensor. Figure 4.10.10a. Toner Sensor 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-97 Repair Procedures...
  • Page 212 5 Reinstall the Upper Rear Cover Assembly. 6 Reinstall the Fuser Full Cover. 7 Reinstall the EP Cartridge and close the Left Upper Cover Assembly. 8 Verify proper operation. 2/2000 Repair Procedures 4-98 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 213: Rep 4.10.11 Ep Cartridge Interlock Switch

    7 Disconnect the two orange wires connected to the Interlock Switch (Figure 4.10.11a). Figure 4.10.11a. EP Cartridge Interlock Switch. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-99 Repair Procedures...
  • Page 214: Rep 4.10.12 Noise Filter Pwb

    7 Squeeze the tips of the two locking standoffs and remove the Noise Filter PWB (Figure 4.10.12a). Figure 4.10.12a. Noise Filter. Replacement 1 Assemble in reverse order. 2 Verify proper operation. 2/2000 Repair Procedures 4-100 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 215: Adj 4.1 Overall Lead Edge Registration - Simplex

    9 Wait 10 seconds, then power OFF/ON the printer and generate a System Controller Test Print. 10 Check the new lead edge registration. If registration is still out of specification, go to ADJ 4.2 Individual Lead Edge Registration - Simplex. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-101 Repair Procedures...
  • Page 216: Adj 4.2 Individual Lead Edge Registration - Simplex

    ADJ 4.3 Overall Lead Edge Registration - Duplex. If a duplex option is not installed, go to ADJ 4.4 Overall Side Edge Registration - Simplex. 2/2000 Repair Procedures 4-102 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 217 Figure 4.2a. Lead Edge Registration 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-103 Repair Procedures...
  • Page 218: Adj 4.3 Overall Lead Edge Registration - Duplex

    11 Check the new lead edge registration. If registration is still out of specification, repeat steps 1-10. If registration is within specification, go to ADJ 4.4 Overall Side Edge Registration - Simplex. 2/2000 Repair Procedures 4-104 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 219 Figure 4.3a. Lead Edge Registration 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-105 Repair Procedures...
  • Page 220: Adj 4.4 Overall Side Edge Registration - Simplex

    10 Check the new side edge registration. If registration is still out of specification, repeat steps 1- 10. If registration is within specification, go to ADJ 4.5 Individual Side Edge Registration - Simplex. 2/2000 Repair Procedures 4-106 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 221 Figure 4.4a. Side Edge Registration 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-107 Repair Procedures...
  • Page 222: Adj 4.5 Individual Side Edge Registration - Simplex

    Repeat check/adjustment for each input tray. If registration is within specification and the duplex option is installed, go to ADJ 4.6 Overall Side Edge Registration - Duplex. If a duplex option is not installed, go to Final Actions. 2/2000 Repair Procedures 4-108 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 223 Figure 4.5a. Side Edge Registration 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-109 Repair Procedures...
  • Page 224: Adj 4.6 Overall Side Edge Registration - Duplex

    10 Check the new side edge registration. If registration is still out of specification, repeat steps 1-10. Repeat check/adjustment for each input tray. If registration is within specification, go to ADJ 4.3 2/2000 Repair Procedures 4-110 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 225 Overall Lead Edge Registration - Duplex. If a duplex option is not installed, go to ADJ 4.7 Individual Side Edge Registration - Duplex. Figure 4.6a. Side Edge Registration 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-111 Repair Procedures...
  • Page 226: Adj 4.7 Individual Side Edge Registration - Duplex

    8 Press the [3] or [7] keys to change the value of the duplex side edge registration NVM value. 9 Press the [4] key to write the new value into memory 2/2000 Repair Procedures 4-112 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 227 11 Check the new side edge registration. If registration is still out of specification, repeat steps 1-10. Repeat check/adjustment for each input tray. If registration is within specification, go to Final Actions Figure 4.7a. Side Edge Registration 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 4-113 Repair Procedures...
  • Page 228 This Page Intentionally Left Blank. 2/2000 Repair Procedures 4-114 DocuPrint N24, N32, N40, N3225 and N4025...
  • Page 229: General Procedures

    5.4.5 Running a Service Output Test..........5-15 5.4.6 Running a Service Sensor (H/L) Input Test ......5-19 5.4.7 Running a Service Sensor (A/D) Input Test ......5-24 5.4.8 Adjustment Procedures ............5-27 3/99 DocuPrint N24, N32 and N40 Service Manual General Procedures and Information...
  • Page 230 5.6.2.5 Parallel Menu ..............5-54 5.6.2.6 System Menu ..............5-54 5.6.2.7 PCL Menu ..............5-56 5.6.2.8 Tray Menu ..............5-57 5.6.2.9 Token Ring Menu ............5-58 5.6.2.10 Reset Menu ..............5-59 3/99 General Procedures and Information DocuPrint N24, N32 and N40 Service Manual...
  • Page 231 5.12 System Boot Code / Software Download Procedures..... 5-84 5.12.1 System Boot Code Download Procedure ......5-84 5.12.2 System Software Download Procedure ....... 5-85 5.13 Tag Matrix..................5-86 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 General Procedures and Information...
  • Page 232 5.14 Technical Bulletins ..............5-96 5.15 Glossary of Terms, Acronyms, and Abbreviations ....5-99 2/2000 General Procedures and Information DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 233: Precautions

    5.1.2 Service Precautions 1 Before disassembly, disconnect the AC power. 2 Replace parts only with the correct Xerox parts. 3 Pay attention to the proper orientation of parts when mounting or inserting them. 4 Pay particular attention to the Electrostatically Sensitive Device (ESD) precautions, since failure to follow them can seriously damage the unit.
  • Page 234: Esd Precautions

    5.1.4 Laser Safety The DocuPrint N24/N32/N40/N3225/N4025 printer contains a Class I Laser. All laser safety information is contained on pages iii and iv in the front of this manual. 2/2000...
  • Page 235: Printer Control Panel

    Form Feed received or the Form Feed function is invoked by pressing [4] on the control (Green) panel when in the Job Menu and the Form Feed is displayed. 3/99 DocuPrint N24, N32 and N40 Service Manual General Procedures and Information...
  • Page 236 This LED also flashes during processing of spooled jobs when one of the emulations processes a job and the input is filled from the disk rather than from one of the host interfaces. 3/99 General Procedures and Information DocuPrint N24, N32 and N40 Service Manual...
  • Page 237 The current setting is indicated by an asterisk (*) at the right edge of the display. A 2x16-character liquid crystal display is used to indicate: • Status Messages • Menu Settings • Fault Conditions • Service Messages 3/99 DocuPrint N24, N32 and N40 Service Manual General Procedures and Information...
  • Page 238: Printer Modes (Overview)

    5.3 Printer Modes (Overview) The DocuPrint N24/N32/N40/N3225/N4025 printer has four modes of operation, each with its own set of options. • On Line Mode • Power Saver Mode • Diagnostic Mode • Menu Mode 5.3.1 On Line On Line is the printer's normal operating mode. In this mode, the printer is On Line, under the control of the System Controller, and ready to generate output.
  • Page 239: Diagnostics

    The Menu Mode also allows you to set, change, or adjust the various features/options available in the DocuPrint N24/N32/N40/N3225/N4025 printer. If an option is not installed, the menu items for that option will not be displayed.
  • Page 240: Diagnostics Mode

    Checks the NVM value of a specific component. 5.4.2 Control Panel Functions The following figure displays the functions of the Control Panel when the Control Panel is connected to the System Controller PWB. 3/99 General Procedures and Information 5-12 DocuPrint N24, N32 and N40 Service Manual...
  • Page 241: Entering Diagnostics

    Figure 5.4.3.a. Control Panel 5.4.3.2 How to exit Diagnostics from the System Controller Interface PWB 1 If you are finished with Diagnostics, Switch off the printer power 3/99 DocuPrint N24, N32 and N40 Service Manual 5-13 General Procedures and Information...
  • Page 242: Running A Printer Engine Controller Test Print

    4 Press [4] and the printer will print a Grid Pattern Test Print from Tray 1 to the Face Down Output Bin. 5 When you have finished with this test, switch off the printer power to exit Diagnostic Mode. 3/99 General Procedures and Information 5-14 DocuPrint N24, N32 and N40 Service Manual...
  • Page 243: Running A Service Output Test

    When tray level sensor shows down, turn lift up motor for 2 seconds SELECT TRAY 3 When tray level sensor shows down, turn lift up motor for 2 seconds 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 5-15 General Procedures and Information...
  • Page 244 Energizes solenoid for 2 seconds WAIT CLUTCH Energizes clutch for 2 second MOTOR (SLOW) Power off to stop motor MOTOR (FAST) Motor runs for 2 minutes DEVE BIAS MONITOR V. INPUT 2/2000 General Procedures and Information 5-16 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 245 END WALL FORWARD Toggle between forward and reverse to observe end wall operation END WALL REVERSE STAPLER FRONT Toggle between front and rear to observe stapler movement. 3/99 DocuPrint N24, N32 and N40 Service Manual 5-17 General Procedures and Information...
  • Page 246 Finisher Bin three goes up FINISHER UNLOAD WHILE Observe the LED on top of the finisher unload button to verify it comes on. Power off to turn off light. 2/2000 General Procedures and Information 5-18 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 247: Running A Service Sensor (H/L) Input Test

    SELECT TRAY 5 H = Is WITHOUT paper L = Is WITH paper SELECT MBF/ENV H = Is WITHOUT paper L = Is WITH paper LEVEL SENSOR DETECT 3/99 DocuPrint N24, N32 and N40 Service Manual 5-19 General Procedures and Information...
  • Page 248 FACE UP EXIT H = Is WITH Paper SENSOR DETECT L = Is WITHOUT Paper FUSER FAN FAIL H = Monitoring FAIL MONITOR SIGNAL L = State is NORMAL 2/2000 General Procedures and Information 5-20 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 249 L = Is WITHOUT Paper PAPER SENSOR H = Is WITH Paper L = Is WITHOUT Paper COVER SAFETY SW H = Cover Is CLOSED L = Cover is OPEN 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 5-21 General Procedures and Information...
  • Page 250 L = Is NOT BLOCKED BIN 2 HALF SR H = Is BLOCKED L = Is NOT BLOCKED BIN 3 HALF SR H = Is BLOCKED L = Is NOT BLOCKED 2/2000 General Procedures and Information 5-22 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 251 L = Gate Is CLOSED FINISHER H = Is UNDOCKED INTERLOCK SW L = Is DOCKED IOT FULL PAPER H = Tray Is FULL SENSOR L = Tray Is Not FULL 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 5-23 General Procedures and Information...
  • Page 252: Running A Service Sensor (A/D) Input Test

    TRAY NOT INSTALLED = No cassette tray WITH PAPER = Size of tray A3S (SEF) 11x17S (SEF) 8.5X14S (SEF) 8.5X13S (SEF) 8.5X11L (LEF) A4L (LEF) 7.25X10.5 (LEF) A5L (LEF) 5.5X8.5L (LEF) 3/99 General Procedures and Information 5-24 DocuPrint N24, N32 and N40 Service Manual...
  • Page 253 TRAY NOT INSTALLED = No cassette tray WITH PAPER = Size of tray 8.5X11L (LEF) A4L (LEF) 7.25X10.5 (LEF) HCF/DOOR B DETECT IS WITH HCF/DOOR B = INSTALLED WITHOUT HCF = NOT INSTALLED 3/99 DocuPrint N24, N32 and N40 Service Manual 5-25 General Procedures and Information...
  • Page 254 DL = 0225 MONARCH = 0195 BTR MONITOR VOLTAGE INPUT FUSER CONTROL CHANGING HEX NUMBER EX. 0179 - 0174 SENSOR (VARIABLE DEPENDANT ON FUSER SETTING AND LINE VOLTAGE 2/2000 General Procedures and Information 5-26 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 255: Adjustment Procedures

    SELECT TRAY 4 Same as Tray 1 SELECT TRAY 5 Same as Tray 1 SELECT TRAY MBF Same as Tray 1 SELECT TRAY ENV Same as Tray 1 3/99 DocuPrint N24, N32 and N40 Service Manual 5-27 General Procedures and Information...
  • Page 256 FUSER TEMP. ADJ. step =(115V=0.80 MBF OP. GP 1-5 step =[220V=0.81 11 = (160 C) [170 (SEE FUSER NOTE) 49 = (190 C) [200 86 = (220 C) [230 2/2000 General Procedures and Information 5-28 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 257 HCF LIFT UP step = 10 msec TIME ADJUSTMENT FACE DOWN TRAY step = 1 sec. FULL DETECT TIME FACE DOWN TRAY step = 1 sec. FULL RESET TIME 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 5-29 General Procedures and Information...
  • Page 258 PRINT COUNT Number of prints on EP Cartridge (Read Only Value) CRUM SUB ID NVM VALUE = CRU Monitor ID of EP Car- (Read Only Value) tridge 2/2000 General Procedures and Information 5-30 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 259 NVM VALUE = Digits after decimal desig- MCU ROM RELEASE nating the installed Printer Engine Con- troller Firmware Release. For exam- ple, 05.70 where the 70 is the Firmware Release. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 5-31 General Procedures and Information...
  • Page 260 NVM VALUE = Digits after decimal desig- FINISHER ROM REL nating the installed Finisher Firmware Release. For exam- ple, 11.79 where the 79 is the Firmware Release. 2/2000 General Procedures and Information 5-32 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 261: Menu Mode - Version 1.7X And Below

    Controller Test Prints, PS Font lists, PCL Font Lists, Menu Maps, Disk Directories, and Demo Pages. The Menu Mode also allows you to set, change, or adjust the various features/options available in the DocuPrint N24/N32/N40/N3225/N4025 printer. If an option is not installed, the menu items for that option will not be displayed.
  • Page 262 Gate- Port Timeout Source Routing Speed NOTE: #1Only Available through Special Front Panel Key Press routine. NOTE: #2 Only Available when Token Ring Option PWB is installed. 3/99 General Procedures and Information 5-34 DocuPrint N24, N32 and N40 Service Manual...
  • Page 263: Accessing A Major Menu

    9 When you have completed all settings, press [0] to return the printer to the “Ready” condition. Figure 5.5.2a Control Panel. The following tables list all the possible menu paths for each major menu. 3/99 DocuPrint N24, N32 and N40 Service Manual 5-35 General Procedures and Information...
  • Page 264: Job Menu

    Printer Serial Number. Presently, the Printer Serial Number can only be entered via Centreware, which is a printer information package loaded on network’s server. 3/99 General Procedures and Information 5-36 DocuPrint N24, N32 and N40 Service Manual...
  • Page 265: Running A Test Print

    2 Press [4] to print a Disk Directory. NOTE: Provides a print out of all information (jobs, fonts, forms, & etc.) that is on the respective Hard Drive. 2/2000 General Procedures and Information 5-37 DocuPrint N24, N32, N40, N3225, and N4025...
  • Page 266: Novell Menu

    000.000.000.000.000 to 255.255.255.255 IP Address 000.000.000.000.000 to 255.255.255.255 (default) IP Address Res Control Panel DHCP BOOTP/RARP (default) HTTP Enable (default) Etalk Enable (default) AppSocket PDL Auto PostScript 3/99 General Procedures and Information 5-38 DocuPrint N24, N32 and N40 Service Manual...
  • Page 267: Parallel Menu

    5.5.2.5 Parallel Menu Parallel Menu Submenu Parallel Menu Function (default) Port Enable (default) Bidirectional (default) Parallel PDL Auto PostScript Port Timeout 5 - 300 (30 is the default) 3/99 DocuPrint N24, N32 and N40 Service Manual 5-39 General Procedures and Information...
  • Page 268: System Menu

    Face Up Bin *Staple Mode Off (default) Position 1 Position 2 Dual Output Offset On (default) ***Output Timeout 30 (default) Edge-To-Edge Off (default) Draft Mode Off (default) 3/99 General Procedures and Information 5-40 DocuPrint N24, N32 and N40 Service Manual...
  • Page 269 NOTE: **Shown only if Mailbox Option is installed. NOTE: ***Shown only if either Mailbox Option or Finisher Option is installed. NOTE: ****Shown only if Duplex Module Option is installed. 3/99 DocuPrint N24, N32 and N40 Service Manual 5-41 General Procedures and Information...
  • Page 270: Postscript Menu

    5 - 128 (default is 60 if Letter or 66 if A4) Point Size 4.00 - 999.75 (default is 10.00) Pitch 0.44 - 99.99 (default is 10.00) 3/99 General Procedures and Information 5-42 DocuPrint N24, N32 and N40 Service Manual...
  • Page 271: Tray Menu

    Tray 3 Type (Only when HCF installed) See Tray 5 Functions Tray 2 Type See Tray 5 Functions Tray 1 Type See Tray 5 Functions MBF Type See Tray 5 Functions 3/99 DocuPrint N24, N32 and N40 Service Manual 5-43 General Procedures and Information...
  • Page 272: Reset Menu

    5.5.2.11 Password Menu NOTE: Only Accessible/Shown when Hard Drive Option is installed. Password Menu Password Menu Submenu Function Enter Password 0000 to 7777 Print No (default) Delete No (default) 3/99 General Procedures and Information 5-44 DocuPrint N24, N32 and N40 Service Manual...
  • Page 273: Token Ring Menu

    000.000.000.000.000 to 255.255.255.255 Default Gateway 000.000.000.000.000 to 255.255.255.255 Port Timeout 5 - 300 Seconds (default is 30) Source Routing On (default) Speed 4 (default) 400000000000 to 7FFFFFFFFFFF 3/99 DocuPrint N24, N32 and N40 Service Manual 5-45 General Procedures and Information...
  • Page 274: Serial Menu

    5 - 300 Seconds (30 is default) Serial PDL Auto (default) PostScript Handshake XON/XOFF Robust XON/XOFF Hardware (default) Baud Rate 115200 57600 38400 28800 19200 9600 (default) 4800 2400 1200 3/99 General Procedures and Information 5-46 DocuPrint N24, N32 and N40 Service Manual...
  • Page 275: Menu Mode - Version 1.8X

    Controller Test Prints, PS Font lists, PCL Font Lists, Menu Maps, Disk Directories, and Demo Pages. The Menu Mode also allows you to set, change, or adjust the various features/options available in the DocuPrint N24/N32/N40/N3225/N4025 printer. If an option is not installed, the menu items for that option will not be displayed.
  • Page 276 Routing Port Time- Speed Speed #4 NOTE: #1Only Available through Special Front Panel Key Press routine. NOTE: #2 Only Available when Token Ring Option PWB is installed. 3/99 General Procedures and Information 5-48 DocuPrint N24, N32 and N40 Service Manual...
  • Page 277: Accessing A Major Menu

    9 When you have completed all settings, press [0] to return the printer to the “Ready” condition. Figure 5.6.2a. Control Panel. The following tables list all the possible menu paths for each major menu. 3/99 DocuPrint N24, N32 and N40 Service Manual 5-49 General Procedures and Information...
  • Page 278: Job Menu

    Printer Serial Number. Presently, the Printer Serial Number can only be entered via Centreware, which is a printer information package loaded on network’s server. 3/99 General Procedures and Information 5-50 DocuPrint N24, N32 and N40 Service Manual...
  • Page 279: Running A Test Print

    2 Press [4] to print a Disk Directory. NOTE: Provides a print out of all information (jobs, fonts, forms, & etc.) that is on the respective Hard Drive. 2/2000 DocuPrint N24, N32, N40, N3225, and N4025 5-51 General Procedures and Information...