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Brother DCP-L2535D User Manual

Brother DCP-L2535D
340 pages
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Confidential
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
August 2017
SM-FAX186
8C5K*
Ver.4
Brother Laser MFC
SERVICE MANUAL
DCP-7090/7095D/7190DN/7195DW
DCP-B7500D/B7520DW/B7530DN/B7535DW
DCP-L2510D/L2511D/L2512D/L2530DW
DCP-L2531DW/L2532DW/L2535D/L2535DW
DCP-L2536D/L2537DW/L2550DN/L2550DW
DCP-L2551DN/L2551DW/L2552DN
HL-L2390DW/L2395DW
MFC-7390/7490D/7890DN/7895DW
MFC-B7700D/B7715DW/B7720DN
MFC-L2690DW/L2710DN/L2710DW/L2712DN
MFC-L2712DW/L2713DW/L2715D/L2715DW
MFC-L2716D/L2716DW/L2717DW
MFC-L2730DW/L2732DW/L2750DW/L2750DWXL
MFC-L2751DW/L2752DW/L2770DW/L2771DW
MODEL

Table of Contents

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Brother DCP-L2535D Specifications

General IconGeneral
BrandBrother
ModelDCP-L2535D
CategoryAll in One Printer
LanguageEnglish

Summary

Brother Laser MFC Service Manual

Safety Information

Definitions of Warnings, Cautions, and Notes

Explains the conventions used in the manual for warnings, cautions, and notes.

Electrical Hazards

Provides critical warnings and precautions related to electrical hazards during operation and maintenance.

Power Cord Safety

Details safety instructions for using and handling the power cord to prevent electrical shock or fire.

Caution for Laser Product

Warns about potential hazards related to the laser unit and advises against opening it.

Chapter 2 Error Indications and Troubleshooting

1.1 Precautions for Troubleshooting

Lists essential precautions to prevent secondary problems during troubleshooting.

1.2 Checks Before Troubleshooting

Outlines checks for operating environment, power supply, paper, and consumables.

3. Error Indications

Lists error codes that may occur and their corresponding descriptions and references.

3.1 Error Codes

Details error codes, their descriptions, and referral pages for troubleshooting.

3.2 Error Message

Lists error messages displayed on the LCD for LCD and Touch Panel models.

4. Troubleshooting

Provides guidance on troubleshooting common problems and error causes.

4.1 Error Cause and Remedy

Lists specific error codes, their causes, and the corresponding remedies.

4.2 Troubleshooting for Paper Feeding Problems

Offers solutions for paper feeding issues like no paper, multiple sheets, and jams.

4.3 Troubleshooting for Image Defects

Provides examples of image defects and troubleshooting steps for each.

4.4 Troubleshooting for Software Problems

Addresses issues related to software, computer connection, and driver problems.

4.11 Troubleshooting for Document Feeding Problems

Guides on resolving issues like no document fed, multiple documents, or document jams.

4.12 Troubleshooting for Scanning Image Defect

Helps diagnose and fix scanning image defects like light, dark, or streaks.

4.13 Troubleshooting for FAX/Phone Problems

Provides solutions for fax transmission and reception issues, and communication errors.

Chapter 3 Disassembly/Reassembly

1. Safety Precautions for Disassembly

Outlines critical safety precautions to follow before and during disassembly.

9. Disassembly Procedure

Details the step-by-step procedures for disassembling various machine components.

9.24 Laser unit flat cable / Laser unit Removal

Guides the removal of the laser unit and its related cables and harnesses.

9.28 Main PCB ASSY Removal

Guides the disconnection of harnesses and removal of the main PCB and its plate.

9.31 Paper feed motor / Paper feed motor flat cable Removal

Guides the removal of paper feed motor, flat cable, motor drive sub assembly, and gears.

9.37 Paper feed roller ASSY / Paper feed sensor PCB ASSY Removal

Guides the removal of paper feed roller ASSY, sensor PCB, actuators, and bushings.

Chapter 4 Adjusting and Updating Settings

1. If You Replace the Main PCB ASSY

Provides steps for installing firmware, initializing EEPROM, and setting parameters after main PCB replacement.

1.1 Installing Firmware

Details how to check and install sub and main firmware versions.

1.3 Setting by Spec, Setting Serial Number and Entering Adjusted Value of Laser Unit

Guides on setting spec code, serial number, and laser adjusted value using maintenance tools.

2. If You Replace the Low-Voltage Power Supply PCB ASSY

Covers resetting the irregular power supply detection counter after replacing the LVPS PCB.

3. If You Replace the Laser Unit

Details how to enter the adjusted value of the laser unit after replacement.

4. If You Replace the Panel Unit or Panel Control PCB

Covers adjusting the touch panel and checking LCD operation after replacement.

5. If You Replace the ADF Unit, First Side CIS Unit, Second Side CIS Unit or Document Scanner Unit

Explains acquiring white level data and performing scanning/printing checks after unit replacement.

Chapter 5 Service Functions

1. Function Code

Introduces maintenance mode functions for checking, setting, and adjusting the machine.

1.1 How to Enter Maintenance Mode

Provides methods for entering maintenance mode for service personnel and end users.

1.2 List of Maintenance Mode Functions

Lists all available maintenance mode functions with their corresponding function codes and references.

1.3 Details of Maintenance Mode Functions

Provides detailed descriptions and operating procedures for various maintenance mode functions.

1.3.12 Change USB No. Return Value

Details how to change USB return value and adjust print positions using function code 45.

1.3.17 Check Toner Cartridge

Details how to check toner cartridge compatibility, version, and continuity using function code 57.

1.3.23 Configure for Country/Region and Model

Details how to configure machine settings for country, region, and model using function code 74.

1.3.24 Print Maintenance Information

Explains how to print maintenance information like consumable status using function code 77.

1.3.27 Display Machine Log Information

Guides on displaying machine log information, including error logs and page counts, using function code 80.

1.3.28 Display Machine Error Code

Details how to display the latest error code on the LCD using function code 82.

Chapter 6 Wiring Diagram

1. Wiring Diagram

Provides a detailed wiring diagram of the machine's electronic components.

Appendix 2 Deleting User Setting Information

Operating Procedure for Resetting User Settings

Provides step-by-step instructions for resetting user settings to default.

Appendix 3 Installing the Maintenance Printer Driver

Windows 7/Windows 8/Windows 8.1/Windows 10 Driver Installation

Guides on installing the maintenance printer driver for Windows operating systems.

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