Ricoh Di-C1 Manual page 280

4-020: Dust check
SP 7-852: Shows the number of times that the
machine detected dust on the ADF.
6-006: Registration
6-009: ADF free run
6-010: Stamp position adjustment (in the sub-
scan direction only)
Slide 280
4-020: This function checks the narrow scanning glass of the ADF for dust
that can cause black lines on copies. If dust is detected, a message is
displayed, but scanning does not stop.
SP Modes
280
Di-C1 Training