Ricoh SP 8400DN Field Service Manual page 1355

[F]: Fuse on the IPU
Check that switch 1 [A] is operating normally.
•
In the normal operation, all of the switches in the SW1 block are OFF.
[G]: Replacing the USB cable and the operation panel
For details about replacing the USB cable, refer to
If the symptom is not resolved, escalate the issue using the normal process, together with the following
information for further investigation.
•
SC sub code (SC672-10 or 99)
•
Date/time of problem occurrence
•
Factor(s) that trigger the problem (ex. SC672-11 occurred 3 minutes after tuning ON the main power switch.)
•
Occurrence frequency (ex. One out of ten times when turning ON the main power switch)
•
Parts replaced
•
Date/time when parts were replaced
Finisher Registration Adjustment
A side-to-side registration error can be produced when the paper is being fed from the mainframe to the finisher.
USB Cable / Harness.
6.Troubleshooting
617