Ricoh M160, Service Manual

Page: 442 / 836

Main SP Tables-4
SM Appendix 3-29 M160/M161
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4020
[Dust Check]
This function checks the narrow scanning glass of the ADF for dust that can
cause black lines in copies. If dust is detected a system banner message is
displayed, but processing does not stop.
4-020-001 DustDetect:On/Off E*
Issues a warning if there is dust on the
narrow scanning glass of the ADF
when the original size is detected
before a job starts. This function can
detect dust on the white plate above
the scanning glass, as well as dust on
the glass. Sensitivity of the level of
detection is adjusted with SP4020-2.
[0 to 1 / 1 / 1]
0: Off. No dust warning.
1: On. Dust warning. This warning does
not stop the job.

Before switching this setting
on, clean the ADF scanning
glass and the white plate
above the scanning glass.