User manual

95.08.23.11.28
Color LaserWriter 12/600 PS Basics & Theory 1–3
V Pickup/Feed System
Outline ............................................................................................................ 1–89
Paper Pickup .................................................................................................. 1–90
Overhead Transparency Detection ................................................................ 1–96
Cassette Pickup Board ................................................................................... 1–97
Transfer Drum and Peripherals ......................................................................1–100
Gripper Control ......................................................................................... 1–102
Attraction Roller ........................................................................................ 1–103
Separation ................................................................................................. 1–105
Transfer Drum Cleaning Assembly ........................................................... 1–106
Discharge Roller ....................................................................................... 1–107
Cleaning Brush Motor Drive Circuit ........................................................... 1–109
Fuser Assembly .............................................................................................. 1–110
Transparency Mode .................................................................................. 1–112
Fuser Assembly Errors .............................................................................. 1–115
Oil Circulation System ............................................................................... 1–122
Fuser Cleaner Assembly ........................................................................... 1–124
Main Motor Drive Circuit ................................................................................. 1–125
Paper Jam Detection ...................................................................................... 1–126
Pickup Delay Jam ..................................................................................... 1–127
Paper Top Position Delay Jam ..................................................................1–128
Grip Jam ................................................................................................... 1–129
Separation Delay Jam ............................................................................... 1–130
Separation Stationary Jam ........................................................................ 1–131
Delivery Delay Jam ................................................................................... 1–132
Delivery Stationary Jam ............................................................................ 1–133
Multi-Fed Paper Stationary Jam ............................................................... 1–134
Non-Dedicated Transparency Jam ........................................................... 1–135
Wrong Paper Length Feed Jam ................................................................ 1–136
Initial Residual Jam ................................................................................... 1–137
VI System Interface
Outline ............................................................................................................ 1–139
Video Interface ............................................................................................... 1–140
VII Power Supply
Outline ............................................................................................................ 1–143
Remote Switch ............................................................................................... 1–145
VIIISheet Feeder
Outline of Electrical Circuit ............................................................................. 1–147
Sheet Feeder Controller Board Input/Output ................................................. 1–148
Pickup/Feed System ...................................................................................... 1–149
Power Supply ................................................................................................. 1–150