Brother MFC-9130CW Service Manual page 106

■ Error code 9802
Calibration failed
Insufficient Toner for Calibration
Dot counter or develop roller counter of color toner has reached the upper limit during color
density adjustment performed from the control panel.
<User Check>
- Replace the corresponding toner cartridge.
Step
1 Main PCB failure
■ Error code 9803
Calibration failed
Press [OK], and try again
Density patch measurement ended unsuccessfully during color density adjustment performed
from the control panel.
Error code 9804
Calibration failed
Press [OK], and try again
Error occurred with the value measured during density sensor sensitivity calibration.
<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 dirty
2 Failure in printed measurement
pattern image
3 Registration mark L PCB
harness connection failure
4 Eject sensor PCB harness
connection failure
5 Density sensor failure
6 Main PCB failure
Cause
Cause
2-67
Remedy
Replace the main PCB ASSY.
Remedy
Clean the registration mark sensor L.
If failure occurs when printing "2D3S
YCMK_ _A" in "Function code
"4.3 Image Defect Troubleshooting" in this
chapter and take a measure.
Check the registration mark L PCB
harness connection and reconnect it.
Check the eject sensor PCB harness
connection and reconnect it.
Replace the registration mark L PCB
ASSY.
Replace the main PCB ASSY.
71", refer to
Confidential