Ricoh M281 Series Service Manual page 455

SC No. Type
6.4.2 SC300 (ENGINE: IMAGING 2: AROUND THE DRUM)
SC No. Type
SC396-01 D
SM
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.
Error Name/Error Condition/Major Cause/Solution
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
6-17
Service Call 303-396
D255/D256/M281/M282