Xerox WorkCentre 5021 Service Documentation page 42

061-321 ROS Motor Fail
BSD-ON:CH6.4
The number of rotation of the ROS Motor did not come within the standard range within the
specified time (5 s) after the ROS Motor On.
Cause/Action
1. Turn the power OFF and ON.
2. Check whether the Drum Cartridge is installed.
3. Check the ROS Motor (Output Check [061-001]) for operation failure.
4. Check the LD +5VDC power supply of the LD PWB
5. If no problem is found, replace the following parts in sequence:
• ROS Assembly (PL 2.1)
• ESS/MCU PWB (PL 18.1)
Initial Issue
WorkCentre 5021/5019
J140 pin-8.
08/2012
2-31
061-325 No SOS Fail
BSD-ON:CH6.4
After the detection of ROS Motor Ready (steady rotation), the SOS interval was detected to be
longer than the reference value 5 times in a row.
Cause/Action
1. Turn the power OFF and ON.
2. Check whether the Drum Cartridge is installed.
3. Turn OFF the power and check the connections between the ESS/MCU PWB J410,
J411 and the LD PWB J140, J160
4. If no problem is found, replace the following parts in sequence:
• ROS Assembly (PL 2.1)
• ESS/MCU PWB (PL 18.1)
for open circuits, short circuits, and poor contacts.
Status Indicator RAPs
061-321, 061-325