Ricoh AP-C3, Field Service Manual, Page: 250 / 1334

When installing the drive unit
Make sure that the bushing [A] is fully set in the frame of the gear unit before installing the timing belt
and pulley to the shaft [B].
Adjustment after replacing the gear unit
Do the following procedures after replacing the gear unit.
1. Turn on the main power switch.
2. Enter "System SP" in the SP mode.
3. Do “Amplitude Control" with SP1-902-001.
4. 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 PCDUs are correctly set and that the image transfer belt unit is correctly set.
• Do "Amplitude Control " again after checking the PCDUs and image transfer belt unit.
When the result is still "2" or "3" after checking the PCDUs and image transfer belt unit:
• Check that the gear unit is installed correctly.
5. Exit the SP mode.
Registration Motor
1. Rear cover ( p.176)
4. Replacement and Adjustment
248