Service Call 303-396
D255/D256/M281/M282 6-16 SM
6.4 SERVICE CALL 303-396
6.4.1 SC300 (ENGINE: IMAGING 1: CHARGE, DEVELOPMENT)
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC303-00 D Charger Current Error
When the charging voltage is applied by changing the voltage in
three levels, the current value is less than 20uA in one of three
levels.
Connector defective or disconnected
Power pack defective
IOB defective
Connector defective or disconnected
Reconnect the following connectors. Then perform a
conduction inspection. If there is no conduction, replace the
connector.
Drum Unit – Power Pack connector
Power Pack – IOB connector
Power pack defective
Replace the power pack.
IOB defective
Replace the IOB.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC321-00 C Development Unit Non-Installing Error
The sensor output value is 31 or less continuously for 5
seconds.
Connector defective or disconnected
Toner density sensor defective
Connect-Left PCB defective
IOB defective