Table of Contents
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Roll Feeder Paper Holders........................................................................................................................409
Roll Paper Cutting Mechanism.................................................................................................................410
Roll End Detection.....................................................................................................................................411
Paper Cassette Mechanism......................................................................................................................413
Paper Cassette Feed.................................................................................................................................414
Paper Cassette Paper End Detection.......................................................................................................416
Condensation Prevention..........................................................................................................................417
Paper Registration.....................................................................................................................................418
Image Transfer and Separation....................................................................................................................419
Overview....................................................................................................................................................419
Pick-Off Pawl Operation...........................................................................................................................420
Fusing Unit......................................................................................................................................................421
Overview....................................................................................................................................................421
Paper Feed Through the Fusing Unit........................................................................................................422
Fusing Pressure Control Mechanism........................................................................................................423
Hot Roller Thermistors and Thermostats...................................................................................................424
Temperature Control.................................................................................................................................424
Hot Roller Cleaning...................................................................................................................................433
Fusing Unit Drive Mechanism...................................................................................................................433
Wrinkle Prevention....................................................................................................................................434
Paper Exit........................................................................................................................................................435
Overview....................................................................................................................................................435
Electrical Components...................................................................................................................................437
Overview....................................................................................................................................................437
MCU, IPU...................................................................................................................................................444
PSU.............................................................................................................................................................445
VDB, CGB PP.............................................................................................................................................445
RFDB, SFDB................................................................................................................................................446
GW Controller Board...............................................................................................................................447
Main Machine (G180).................................................................................................................................449
Options...........................................................................................................................................................452
Roll Feeder (B852)....................................................................................................................................452
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Table of Contents
Troubleshooting
