Gestetner B070 Service Manual page 326

SERVICE CALL CONDITIONS
SC301: Charge Corona Output Error 2 (Circuit Open)
Definition [B]
A low feedback voltage for the charge corona (less than 1.5 V) was detected from
the CBG power pack 9 times for 60 ms.
Possible Causes
• Charge/bias/grid power pack defective
• Poor charge corona unit connection
• Charge corona unit connector defective
SC303: Charge Grid Output Error 1 (Grid Leakage)
Definition [B]
A high feedback voltage for the grid (more than 4.5 V) was detected from the CBG
power pack 9 times consecutively for 60 ms.
Possible Causes
• Charge/bias/grid power pack defective
• Poor charge corona unit connection
• Charge corona unit connector defective
SC304: Charge Grid Output Error 2 (Grip Open)
Definition [B]
A low feedback voltage for the grid (less than 1.0 V) was detected from the CBG
power pack 9 times for 60 ms.
Possible Causes
• Charge/bias/grid power pack defective
• Poor charge corona unit connection
• Charge corona unit connector defective
SC305: Charge Corona Wire Cleaner Error 1
Definition [D]
The charge corona wire cleaner does not return to its home position, and there is
no stop signal 30 s after cleaning starts.
Possible Causes
• Charge corona wire cleaner lock defective
• Charge corona wire cleaner motor defective
• BCU defective
B070/B071
CÓPIA NÃO CONTROLADA
4-6
CÓPIA NÃO CONTROLADA
SM