Do the following procedures after replacing the gear unit.
Turn on the main power switch.
Enter "System SP" in the SP mode.
Do “Amplitude Control" with SP1-902-001.
Check the result of the Amplitude Control with SP1-902-002.
0: Success, 2: Failure due to no sampling data,
3: Failure due to insufficient number of pattern detections
When the result of this adjustment is "2" or "3":
Check that all the PCUs are correctly set and that the image transfer belt unit is correctly set.
Do "Amplitude Control " again after checking the PCUs and image transfer belt unit.
When the result is still "2" or "3" after checking the PCUs and image transfer belt unit:
Check that the gear unit is installed correctly.
Exit the SP mode.