Brother DCP-J925DW, Service Manual

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2-73 Confidential
„
Separated lines at the trailing edge of the recording paper
„
Characters having shadows (ghost)
User Check
- Perform head cleaning.
Step Cause Solution
1 Paper feeding correction value not
updated Update the paper feeding correction value with
Function code 58. Refer to
Chapter 5, Section
1.4.17 .
2 PF encoder disc stained or
scratched Replace the PF encoder disc and clean the flushing
guide. Refer to
Chapter 3, Section 1 .
3 Engine unit defective Replace the engine unit.
4 Main PCB defective Replace the main PCB ASSY.
User Check
- Perform head cleaning.
Step Cause Solution
1 Paper feeding correction value not
updated Update the paper feeding correction value with
Function code 58. Refer to
Chapter 5, Section
1.4.17 .
2 Vertical print lines not aligned Align vertical print lines with Function code 65.
Refer to
Chapter 5, Section 1.4.21 .
3 PF encoder disc stained or
scratched Replace the PF encoder disc and clean the flushing
guide. Refer to
Chapter 3, Section 1 .
4 Print head defective Replace the head/carriage unit.
5 Main PCB defective Replace the main PCB ASSY.
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