Ricoh FT5233 Service Manual page 854

12 February 1992
17.3 CODE # H3 – JOGGER H.P. SENSOR OUTPUT ERROR
- Definition -
•
When the jogger plate moves forward, the home position sensor takes
over 150 msec to turn off.
•
When the jogger plate moves backward, the home position sensor
takes over 1 sec to turn on.
- Possible Causes -
•
The jogger H.P. sensor is defective
•
The jogger motor is defective
•
The main control board is defective
•
The timing belt is not fixed
- Action -
Turn the main switch off and on.
Does the jogger plate move when the main switch turned on?
Yes No
Does the jogger motor turn?
Yes
Check the continuity between CN170 and CN470.
Check the continuity of the jogger motor.
Replace the main control board.
Attach the holder to the belt.
No
Good No good
Repair the harness.
Good No good
Replace the jogger motor.
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SERVICE CALL CONDITIONS