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Confidential

9.11 Low-voltage Power Supply PCB ASSY

(1) Remove the front chute FG spring from the LVPS shield plate cover and the front chute

ASSY.

(2) Remove the two taptite cup S M3x8 SR screws and the screw pan (S/P washer) M3.5x6

screw to remove the LVPS shield plate cover and the LVPS insulation sheet.

Fig. 3-23

LVPS shield plate cover

Screw pan (S/P washer) M3.5x6

Front chute ASSY

Front chute FG spring

Taptite cup S M3x8 SR

LVPS insulation sheet

LVPS shield plate cover

Taptite cup S M3x8 SR

Default Chapter4
- Table of Contents4
Safety Information9
Chapter 1 Supplemental Specifications14
General14
Network Connectivity16
Service Information16
Supplies17
Chapter 2 Error Indications & Troubleshooting19
Introduction19
- Precautions19
- Checks before Commencing Troubleshooting20
Overview22
- Cross-Section Drawing22
- Paper Feeding23
- Operation of each Part24
- Block Diagram25
- Main Components26
Error Indications27
- Error Codes31
- Error Messages34
- LED Display (LED Models)37
  - LED Display When Operator Call Occurs37
  - LED Display When Service Call Occurs40
Troubleshooting44
- Error Cause and Remedy44
- Troubleshooting for Paper Feeding Problems65
- Troubleshooting for Image Defects74
  - Image Defect Examples74
  - Troubleshooting According to Image Defect75
- Troubleshooting for Software Problems86
  - Cannot Receive Data86
- Troubleshooting for Network Problems87
  - Cannot Print Via Network Connection87
  - Cannot Connect to Access Point87
- Troubleshooting for Control Panel Problems88
- Troubleshooting for Toner and Drum Problems89
- Troubleshooting for Fuser Unit Problems91
  - Fuser Unit Failure91
- Troubleshooting for Laser Unit Problems91
  - Laser Unit Failure91
- Troubleshooting for PCB Problems92
- Troubleshooting for Other Problems93
  - Cannot Print93
  - Cannot Update Firmware93
Chapter 3 Disassembly/Reassembly94
Safety Precautions94
Packing95
Screw Catalogue96
Screw Torque List97
Lubrication98
Overview of Gears99
Harness Routing101
Disassembly Flow Chart106
Disassembly Procedure107
- Preparation107
- Back Cover108
- Outer Chute ASSY109
- Front Cover ASSY110
- Side Cover R111
- Fuser Cover112
- Inner Chute ASSY113
- Side Cover L114
- Top Cover ASSY115
- Fuser Unit118
- Low-Voltage Power Supply PCB ASSY120
- Fan122
- High-Voltage Power Supply PCB ASSY123
- Filter125
- Laser Unit126
- Wireless LAN PCB (Wireless Network Model Only)128
- Roller Holder ASSY129
- Main PCB ASSY130
- T1 Clutch and Registration Clutch131
- New Toner Sensor PCB ASSY132
- Main Frame L ASSY133
- Main Motor135
- Fuser Gear 67R/40R137
- Eject Sensor PCB ASSY138
- Registration Front/Rear Actuator Holder ASSY140
Chapter 4 Adjusting and Updating Settings as Required after Parts Replacement143
If You Replace the Main Pcb Assy143
- Setting Default Paper Size (LED Models) / Setting by Spec (LCD Models)144
- Installing Firmware (Sub Firmware, Demo Firmware, and Main Firmware)145
  - Checking Firmware Version145
  - Installing Firmware146
- Setting Serial Number and Entering Adjusted Value of Laser Unit147
If You Replace the Low-Voltage Power Supply Pcb Assy148
- Reset Irregular Power Supply Detection Counter of Low-Voltage Power Supply PCB148
If You Replace the Laser Unit149
- Entering Adjusted Value of Laser Unit150
Chapter 5 Service Functions151
Maintenance Mode151
- How to Enter Maintenance Mode151
  - Method of Entering Maintenance Mode for Service Personnel151
  - Method of Entering End-User Accessible Maintenance Mode152
- List of Maintenance Mode Functions153
  - List of Maintenance Mode Functions for LCD Models153
  - List of Maintenance Mode Functions Using [Go] Key (LED Models)154
- Details of Maintenance Mode Functions for LCD Models156
- Details of Maintenance Mode Functions Using [Go] Key (LED Models)184
Other Service Functions193
- Engine Error Ignore Mode (LCD Models Only)193
- Change USB No. Return Value / Adjust Left-End Print Start Position on Second Side When Duplex Printing (LCD Models Only)194
- Print Printer Settings195
Chapter 6 Wiring Diagram196
Chapter 7 Periodical Maintenance197
Periodical Replacement Parts197
Appendix 1 Serial Numbering System198
Appendix 2 Deleting User Setting Information199
Appendix 3 Installing the Maintenance Printer Driver200

Brand	Brother
Model	HL-2560DN
Category	Printer
Language	English

Brother HL-2560DN Service Manual

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