Brother DCP-L8400CDN Service Manual page 95

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Error code 8A01
Size Error 2-sided
Specify the correct paper.
The registration rear sensor detected that the fed paper was larger or smaller than the
specified size in 2-sided printing.
Error code 8A02
2-sided Disabled
Reload paper, then press Start.
The registration rear sensor detected that the length of the paper is too long and it may hit
within the machine in 2-sided printing.
< User Check >
- Use the Letter to Legal size paper.
Step
1 Registration rear actuator
caught on some position
2 Registration rear sensor failure
3 Main PCB failure
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Error code 8D01
Short paper
Open the Back Cover and then press [Retry].
The registration rear sensor detected that the paper loaded in the paper tray was smaller than
the specified size.
< User Check >
- Open the back cover and print using the straight paper path.
- Length of the paper is 114 mm or more.
Step
1 Registration rear actuator
caught on some position
2 Registration rear sensor failure
3 Main PCB failure
Cause
Re-assemble the registration rear
actuator.
Replace the registration front/rear sensor
PCB ASSY.
Replace the main PCB ASSY.
Cause
Re-assemble the registration rear
actuator.
Replace the registration front/rear sensor
PCB ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
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