Brother HL-L8250CDN Service Manual page 95

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Error code 9A01
Registration
Registration failed. Turn the power off and then back on again.
Error occurred with the value measured during auto color registration performed from the
control panel.
< User Check >
- Check if the toner cartridges are set in the correct order of colors.
- Replace the toner cartridge.
- Replace the drum unit.
- If the belt unit has a scratch, replace it.
- If "WT Box End Soon" is displayed on the LCD and the belt unit has dirt, replace the waste
toner box.
Step
1 Dirt on the registration mark
sensor L/registration mark
sensor R
2 Connection failure of the
registration mark sensor L PCB/
registration mark sensor R PCB
harness
3 Failure in printed measurement
pattern image
4 Registration mark sensor L or
registration mark sensor R failure
5 Main PCB failure
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Error code 9A02
Registration
Registration failed. Insufficient Toner for Registration.
Dot counter or develop roller counter of color toner has reached the upper limit during auto
color registration performed from the control panel.
< User Check >
- Replace the corresponding toner cartridge.
Step
1 Main PCB failure
Cause
Cause
2-72
Remedy
Clean the registration mark sensor L/
registration mark sensor R.
Reconnect the registration mark sensor L
PCB/registration mark sensor R PCB
harness.
If failure occurs when printing "2D3S
YMCBWKW_A" in "Function code
refer to
"4.3 Troubleshooting for Image Defects" in
this chapter and take a measure.
Replace the registration mark sensor unit.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
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