Ricoh MT-P2 - Page 21

Overview....................................................................................................................................................443
Optical Path...............................................................................................................................................444
Four-Beam Exposure.................................................................................................................................445
Cooling Fan...............................................................................................................................................446
LD Safety Switches....................................................................................................................................446
Drum Unit........................................................................................................................................................448
Overview....................................................................................................................................................448
OPC Drum..................................................................................................................................................449
Drum Drive.................................................................................................................................................449
Drum Charge.............................................................................................................................................450
Charge Corona Wire Cleaning...............................................................................................................451
Drum Pick-off Mechanism.........................................................................................................................452
Drum Cleaning...........................................................................................................................................452
Drum Ventilation and Ozone Filter..........................................................................................................454
Toner Recycling.........................................................................................................................................455
Old Toner Collection.................................................................................................................................456
Process Control..........................................................................................................................................457
Development and Toner Supply...................................................................................................................461
Overview....................................................................................................................................................461
Development Unit......................................................................................................................................463
Developer/Toner Mixing (Agitation)......................................................................................................464
Development Bias......................................................................................................................................464
Toner Supply..............................................................................................................................................465
Development Unit Drive and Ventilation.................................................................................................466
Toner End Sensor......................................................................................................................................466
Shutter Mechanism....................................................................................................................................467
Toner Bottle Supply and Ventilation.........................................................................................................468
Toner Supply Control................................................................................................................................468
Image Transfer and Paper Separation.........................................................................................................473
Overview....................................................................................................................................................473
Transfer Belt Lift..........................................................................................................................................474
Transfer Belt Charge.................................................................................................................................475
Transfer Current Settings...........................................................................................................................476
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