Ricoh A-P4 - Page 20

Toner Recycling.........................................................................................................................................334
Paper Feed.....................................................................................................................................................335
Overview of Paper Feed...........................................................................................................................335
Paper Feed Drive.......................................................................................................................................336
Pick-Up and Separation Roller Release Mechanism..............................................................................336
Paper Lift.....................................................................................................................................................337
Paper End Detection..................................................................................................................................338
Paper Registration.....................................................................................................................................339
Paper Size Detection.................................................................................................................................339
Paper Height Detection.............................................................................................................................340
By-Pass Tray...................................................................................................................................................342
Overview of By-Pass Tray.........................................................................................................................342
By-Pass Tray Operation............................................................................................................................343
By-Pass Paper Size Detection...................................................................................................................344
Duplex Unit.....................................................................................................................................................345
Overview of Duplex Unit..........................................................................................................................345
Duplex Drive Layout..................................................................................................................................346
Duplex Basic Operation...........................................................................................................................346
Paper Length Longer than A4/LT SEF.............................................................................................346
Paper Length Up to A4/LT SEF.......................................................................................................347
Duplex Unit Feed In and Exit Mechanism...............................................................................................348
Paper Feed into Duplexer................................................................................................................348
Paper Inversion and Exit from Duplexer.........................................................................................349
Image Transfer and Paper Separation.........................................................................................................350
Overview of Transfer and Separation.....................................................................................................350
Transfer Belt Drive Mechanism.................................................................................................................351
Transfer Belt Unit Contact Mechanism.....................................................................................................352
Image Transfer and Paper Separation Mechanism................................................................................353
Transfer Belt Charge.................................................................................................................................355
Transfer Belt Charge Mechanism....................................................................................................355
Correction for Paper Width and Thickness.....................................................................................355
Currents Applied to Leading Edge, Image Areas, and By-Pass Feed..........................................356
Transfer Belt Cleaning Mechanism..........................................................................................................357
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