Brother DCP-9010CN Service Manual page 131

■ Error code 8E
Registration
Registration failed. Press Start, and try again.
Error in the adjustment of color registration result when implementing it from the control panel
cover ASSY.
Error code 8F
Registration
Registration failed. See Troubleshooting chapter in User's Guide.
Detection of abnormal value of registration sensor sensitivity when implementing adjustment
of color registration from the control panel cover ASSY
Error code 9D
Registration
Registration failed. See Troubleshooting chapter in User's Guide.
Detection of incorrect registration sensor measurement value when implementing adjustment
of color registration from the control panel cover ASSY
<User Check>
- Check if there is a scratch, dirt or the like on the belt unit. If there is, replace the belt unit
with a new one.
Step
1 Harness connection failure of
registration mark PCB ASSY
2 HVPS control PCB failure
3 High-voltage power supply PCB
failure
4 Main PCB failure
5 Registration mark PCB failure
■ Error code 91
Size Mismatch
Reload correct paper, then press Start.
Incorrect paper size (The paper size of the tray and that of the data are not matched.)
<User Check>
- Check the paper size to be supported and load the appropriate size of paper.
Cause
3-39
Remedy
Check the harness connection of the
registration mark PCB ASSY and
reconnect it.
Replace the HVPS control PCB ASSY.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Replace the registration sensor holder
ASSY.
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