2-76
Confidential
■ Error code 9801
Error occurred with the value measured during color density adjustment 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.
■ Error code 9802
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.
Calibrate
Calibration failed. Turn the power off and then back on again.
Step Cause Remedy
1 Dirt on the registration mark
sensor L
Clean the registration mark sensor L.
2 Failure in printed measurement
pattern image
If failure occurs when printing “2D3S
YMCBWKW_A” in “Function code 71”,
refer to
“4.3 Troubleshooting for Image Defects” in
this chapter and take a measure.
3 Connection failure of the
registration mark sensor L PCB
harness
Reconnect the registration mark sensor L
PCB harness.
4 Density sensor failure Replace the registration mark sensor unit.
5 Main PCB failure Replace the main PCB ASSY.
Calibrate
Calibration failed. Insufficient Toner for Calibration.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.