Service Call 303-396
SM 6-17 D255/D256/M281/M282
SC No. Type Error Name/Error Condition/Major Cause/Solution
 Connector defective or disconnected
Reconnect the following connectors. Then perform a
conduction inspection. If there is no conduction, replace the
connector.
 Development Unit – Drum PCB connector
 Drum PCB – Drum Connection PCB connector
 Drum Connection PCB – Connect-Left PCB connector
 Connect-Left PCB – IOB connector
 Toner density sensor defective
Replace the toner density sensor.
 Connect-Left PCB defective
Replace the Connect-Left PCB.
 IOB defective
Replace the IOB.
6.4.2 SC300 (ENGINE: IMAGING 2: AROUND THE DRUM)
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC396-01 D Drum Motor Error 1
The drum motor is not stabilized within 2 seconds after the
motor is activated.
 Connector disconnected or defective
 Drive transmission of the drum motor defective
 Drum motor defective
 IOB defective
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