Ricoh FT8680 Service Manual page 366

SYSTEM ERROR AND SERVICE CALL CONDITIONS
SC106 - Low FL Temperature
Definition:
During stand-by, the main PCB detects a high resistance (> 5.6k: 10°C) of
the FL thermistor for more than 15 minutes.
NOTE: 1. No detection in copy mode.
2. 24 V (VP) and 38 V (VFL) will be cut by the relays on the dc
drive PCB in this SC condition.
Points to check:
•
Exposure lamp heater
•
FL thermistor
•
FL temperature fuse
•
DC drive PCB
•
Main PCB (CN102-B20)
SC108 - V Correction Error
L
Definition:
Target V value cannot be achieved within the exposure lamp output control
L
range during the process control data initialization.
NOTE: After resetting the system error condition, V
tried again. Even if the second execution fails, no service call
condition is displayed and the copier uses previous reference
data until its next initialization.
Points to check:
•
Exposure lamp
•
Drum potential sensor
•
Drum
•
Optics dirtiness
•
V sensor pattern
L
•
Erase lamp
L
6-4
31 July 1995
correction will be