Table of Contents

14
Replacing The Developing Unit.....................................56
Replacing Developer.....................................................6 0
4 Scheduled Maintenance .........................67
Maintaining Print Quality......................................................67
Maintenance Tools........................................................68
Service Level Page Counts...........................................68
Clearing Service Level Messages................................. 70
Maintenance Schedules ......................................................70
Cleaning Schedule................................................. .......70
Replacement Schedule.......................................... .......71
Tech Service Maintenance Level Kits....... ....................72
General Cleaning.................................................................77
Vacuuming............................ ........................................77
Cleaning The Chargers................................................ .85
Cleaning The Fuser Unit Cover Glass ..........................90
Major Cleaning ....................................................................95
Cleaning Unit ................................................................95
Cleaning The Photoreceptor Drum ...............................98
5 Troubleshooting ................................... .101
Troubleshooting................................................................. 101
Diagnostics .................................................................101
Paper Jams ......................................................................102
Paper Jam Near The Tractor ......................................102
Paper Jam Near The Paper Output Section ...............104
Paper Jam In The Transport Input Section .................109
Paper Jam In The Transport Output Section ..............111
Paper Jam In The Power Paper Stacker.....................112
System Status And Error Messages..................................114
Reprinting Pages After Fault Condition.......................115
Error Messages...........................................................119