Ricoh SP 310DN User Manual

Service Call
SM 6-5 M154/M155/M174/M175/A0A7/M287/M0BB
Troubleshooting
SC 4xx (Image Transfer and Transfer Error)
491
Bias leak
Bias leaked at the drum charge, development charge, or transfer charge. PWM
signals are sampled at 20 msec. intervals. This SC is issued if 10 PWM
samplings within 200 msec. are abnormal.
 HVPS harness loose, broken, defective
 HVPS board defective
 AIO terminal defective
 Cycle the machine off/on
 Check all the harness connections of the HVPS
 Check spring-loaded AIO terminal installation behind the HVPS
 Replace HVPS

Ricoh SP 310DN Specifications

General

Brand	Ricoh
Model	SP 310DN
Category	All in One Printer
Language	English