Ricoh S-C3 F

Overview....................................................................................................................................................266
Development Bias......................................................................................................................................267
Toner Supply..............................................................................................................................................267
Toner Density Control................................................................................................................................268
Toner Supply If Sensor Reading is abnormal .........................................................................................269
Detection of Toner Near End and Toner End .........................................................................................270
Drum Cleaning and Toner Recycling...........................................................................................................271
ARDF Operation............................................................................................................................................272
Pick-Up and Separation............................................................................................................................272
Clutch Operation.......................................................................................................................................272
Original Transport and Exit......................................................................................................................272
Paper Feed.....................................................................................................................................................275
Overview....................................................................................................................................................275
Paper Feed Drive Mechanism..................................................................................................................276
Paper Feed and Separation.....................................................................................................................278
Paper Lift Mechanism................................................................................................................................278
Paper End Detection..................................................................................................................................279
Image Transfer and Paper Separation.........................................................................................................281
Overview....................................................................................................................................................281
Image Transfer Current Timing.................................................................................................................281
Transfer Roller Cleaning...........................................................................................................................282
Image Fusing and Paper Exit........................................................................................................................283
Overview....................................................................................................................................................283
Hot Roller Drive.........................................................................................................................................284
Pressure Roller............................................................................................................................................285
Pressure Release........................................................................................................................................285
Separation.................................................................................................................................................286
Fusing Temperature Control.....................................................................................................................286
Duplex Unit.....................................................................................................................................................290
Important Components.............................................................................................................................290
Duplex Printing Process.............................................................................................................................291
Energy Saver Modes.....................................................................................................................................295
Overview....................................................................................................................................................295
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