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Brother HL-L2351DW User Manual

Brother HL-L2351DW
248 pages
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Confidential
Read this manual thoroughly before maintenance work.
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August 2017
SM-PRN111
84UH*
Ver.4
Brother Laser Printer
SERVICE MANUAL
HL-2290/2295D/2590DN/2595DW/B2000D/
B2050DN/B2080DW/L2310D/L2312D/
L2325DW/L2330D/L2331D/L2335D/
L2336D/L2350DW/L2351DW/L2352DW/
L2357DW/L2370DN/L2370DW(XL)/
L2371DN/L2372DN/L2375DW/L2376DW/
L2385DW/L2386DW
MODEL

Table of Contents

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Brother HL-L2351DW Specifications

General IconGeneral
Printer TypeLaser
FunctionsPrint
Print Speed32 ppm
Print Resolution2400 x 600 dpi
Duplex PrintingAutomatic
Paper Capacity250 sheets
Paper handling output100 sheets
Monthly Duty CycleUp to 10, 000 pages
Processor600 MHz
Memory32 MB
DisplayLED
Operating System CompatibilityWindows, macOS, Linux
ConnectivityUSB, Wireless, Ethernet
Dimensions14.2 x 14.7 x 7.2 inches
Weight15.9 lbs
Mobile PrintingBrother iPrint&Scan, AirPrint, Google Cloud Print

Summary

SERVICE MANUAL

Brother Laser Printer

Title of the manual for Brother Laser Printers.

CHAPTER 1 SUPPLEMENTAL SPECIFICATIONS

CHAPTER 3 DISASSEMBLY/REASSEMBLY

CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT

CHAPTER 5 SERVICE FUNCTIONS

SAFETY INFORMATION

To use the Machine Safely

ELECTRICAL HAZARDS

Details critical warnings related to electrical safety and potential hazards.

Power Cord Safety

Caution for Laser Product

CHAPTER 2 ERROR INDICATIONS AND TROUBLESHOOTING

1.2 Checks before Commencing Troubleshooting

3. ERROR INDICATIONS

3.1 Error Codes

Lists various error codes, their descriptions, and reference pages for troubleshooting.

3.2 Error Message

4. TROUBLESHOOTING

4.1 Error Cause and Remedy

Provides step-by-step solutions for specific error codes.

4.2 Troubleshooting for Paper Feeding Problems

4.2.1 No paper feeding from paper tray

Lists causes and remedies for failure to feed paper from the tray.

4.2.9 Paper jam

Paper jam at the paper tray

Lists causes and remedies for paper jams occurring in the paper tray.

4.3 Troubleshooting for Image Defects

4.3.1 Image defect examples

Shows visual examples of common image quality defects.

4.3.2 Troubleshooting image defect

Light

Addresses issues causing light or faded print output.

4.4 Troubleshooting for Software Problems

4.4.1 Unable to receive data

Addresses issues preventing the machine from receiving data from a computer.

4.5 Troubleshooting for Network Problems

4.5.1 Cannot make a print through network connection

Addresses issues preventing printing over a network connection.

4.6 Troubleshooting for Control Panel Problems

4.6.1 Nothing is displayed on the LCD

Addresses issues where the LCD screen remains blank.

4.7 Troubleshooting for Toner Cartridge and Drum Unit Problems

4.7.1 New toner not detected

Addresses issues where the machine does not detect a newly installed toner cartridge.

4.8 Troubleshooting for Fuser Unit Problems

4.8.1 Fuser unit failure

Addresses general failures of the fuser unit.

4.10 Troubleshooting for PCB Problems

4.11 Troubleshooting for Other Problems

4.11.1 Cannot make print

Addresses general issues preventing printing.

8. DISASSEMBLY FLOW CHART

9. DISASSEMBLY PROCEDURE

1. IF YOU REPLACE THE MAIN PCB ASSY

3. IF YOU REPLACE THE LASER UNIT

3.1 Entering Adjusted Value of Laser Unit

1.1 How to Enter Maintenance Mode

1.1.2 Method of entering end-user accessible maintenance mode

1.2 List of Maintenance Mode Functions

1.3.10 Change USB No. return value / Adjust left-end print position / Adjust upper-end print position / Change ON/OFF setting for lower case compensation / Change ON/OFF setting for fixation strength improvement (Function code 45)

1.3.11 Check toner cartridge (Models with cartridge sensor only) (Function code 57)

1.3.16 Setting by spec (Function code 74)

1.3.17 Print maintenance information (Function code 77)

1.3.20 Display machine error code (Function code 82)

1.4 Details of Maintenance Mode Functions Using [Go] (LED models)

2. OTHER SERVICE FUNCTIONS

APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER

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