Oki B 4100 Maintenance Manual page 540

B2.4 Other Special Cases
B2.4.1 Manual Paper Feed
Turning on of the inlet sensors without the hopping operation indicates manual paper feeding for
OKIFAX 2350/2450 (excluding when power is on).
B2.4.2 Cleaning
The image drum needs cleaning since it gets dirty after having printed copies for a number of times.
The two kinds of cleaning are listed in the table below:
Cleaning Type
Cleaning This cleaning removes the toner whose electric potential is
reversed due to poor electrification, or removes the toner
whose electric potential is insufficient on the image drum
surface.
(Recovery of the toner to developing roller)
This cleaning removes the residual toner on the charging
CH
roller surface. The toner is removed by moving to the
(charge roller)
recording paper from charging roller and image drum.
cleaning
40055101TH Rev.4
Function Remarks
Cleaning is performed when the
number of prints exceed 10 sheets
or the one-job operation ends.
(At the end of communication or
copy operations)
User operation
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