Ricoh 1000L Field Service Manual page 177

Symptom
Document
double-feed
Noise from ADF
I
Replace the DSB.
After Copy is pressed, does the FCU output 24V at CN9-1 and receive it at CN17-1.
Y
N
I
Does 1POWON go high ?
Y N
I
Replace the FCU.
Replace the PSU the upper unit interlock switch, or the right cover
interlock switch.
Trace the + 24VD signal from the UIB to the ADF clutch and replace the
defective component.
Clean and lubricate, or replace the separation roller.
• Clean and lubricate the springs and clutches in the feed and pickup roller assembly and
in the separation roller.
• Replace the tx motor or DRU.
• Check that the scanner is assembled correctly.
Action
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