Brother MFC-9130CW Service Manual page 109

■ Error code 9A01
Registration failed
See Troubleshooting chapter in User's Guide.
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 Registration mark sensor L/
registration mark sensor R dirty
2 Registration mark L PCB/
Registration mark R PCB
harness connection failure
3 Eject sensor PCB harness
connection failure
4 Failure in printed measurement
pattern image
5 Registration mark L failure
6 Registration mark R failure
7 Main PCB failure
■ Error code 9A02
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
2-70
Remedy
Clean the registration mark sensor L/
registration mark sensor R.
Check the registration mark L PCB/
registration mark R PCB harness
connection and reconnect it.
Check the eject sensor PCB harness
connection and reconnect it.
If failure occurs when printing "2D3S
YCMK_ _A" in "Function code
"4.3 Image Defect Troubleshooting" in this
chapter and take a measure.
Replace the registration mark L PCB
ASSY.
Replace the registration mark R PCB
ASSY.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
71", refer to
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