Ricoh FT4227 Manual page 611

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SERVICE CALL CONDITIONS
3.34 BLINKING "CALL SERVICE" INDICATOR (WITHOUT
ANY SC CODE #)
- Definition -
The possible problems are listed below. Check the actual causes through the
data of SP7.
1: The PM counter (SP88) has reached the set PM interval (SP87).
2: The copier is operating under ID sensor abnormal condition.
Vsg abnormal: Vsg=0.00
Vsp abnormal: Vsg=5.00
3: The used toner tank is nearly full. (The copier will stop within 250
copies.)
NOTE: A combination of causes is possible. The three digit indicator will
show 1, 2, 3, 12, 13, 23, or 123.
- Possible Cause -
The PM counter (SP88) has reached the set PM interval
(SP87).
Main control board defective.
Incorrect Vsg voltage.
Dirty ID sensor.
Low toner density.
Incorrect setting for SP84 (Editing eraser).
ID sensor defective.
Main control board defective.
Toner supply clutch defective.
The used toner tank is nearly full.
Toner end counter (SP58) was not reset by SP83 the last time
the used toner tank was emptied.
6-36
12 February 1992

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