Ricoh A085, Руководство пользователя, Страница: 606 / 617

3.22 CODE #73 - SEPARATION CORONA CURRENT
ADJUSTMENT ERROR
- Definition -
When performing SP57 (auto drum current adjustment):
1. Separation drum current is lower than the adjustment standard at the
maximum output from the high voltage power supply board - D.
2. Separation drum current is higher than the adjustment standard at the
minimum output from the high voltage power supply board - D.
- Possible Cause -
•
Separation corona wire broken
•
T/S corona unit not in position
•
Drum unit poorly connected
•
High voltage power supply board - D defective
•
Main control board defective
3.23 CODE #74 - ID SENSOR ADJUSTMENT ERROR
- Definition -
When performing SP54 (auto Vsg/Vlg adjustment):
1. ID sensor output (Vsg) is lower than the adjustment target (4.0 V) at
the maximum output of the ID sensor’s LED.
2. ID sensor output (Vsg) is higher than the adjustment target (4.0 V) at
the minimum output of the ID sensor’s LED.
- Possible Cause -
•
ID sensor board defective
•
ID sensor board poorly connected
•
Main control board defective
Trouble-
shooting
12 February 1992 SERVICE CALL CONDITIONS
6-31