Service Procedures
Table of Contents
Description Page
Feed Shelf..........................................................................................................................................................2-3
Adjustment of the Feed Shelf......................................................................................................................2-3
Replacement of the Protective Material ......................................................................................................2-3
Detector Switches.............................................................................................................................................2-4
Adjustment of the Detector Switches ..........................................................................................................2-4
Replacement of the Detector Switches.......................................................................................................2-5
Crossover Assemblies .....................................................................................................................................2-6
Adjustment for Squareness .........................................................................................................................2-6
Installation of a New Guide Shoe................................................................................................................2-6
Rack Assemblies...............................................................................................................................................2-7
Adjustment for Squareness .........................................................................................................................2-7
Drive Chain ..................................................................................................................................................2-8
Adjustment of the Tension on the Drive Chain....................................................................................2-8
Replacement of the Drive Chain..........................................................................................................2-8
Turnaround Assembly..................................................................................................................................2-9
Adjustment for Squareness ..................................................................................................................2-9
Disassembling the Turnaround Assembly............................................................................................2-10
Replacement of the B Roller................................................................................................................2-11
Checking the Guide Shoes...................................................................................................................2-11
Replacement of the A Rollers ..............................................................................................................2-12
Replacement of the Resilient Drive Roller in the Developer and Fixer Racks...........................................2-13
Replacement of the Resilient Rollers in the Wash Rack............................................................................2-14
Dryer Rack...................................................................................................................................................2-15
Adjustment for Squareness ..................................................................................................................2-15
Replacement of the Drive Roller..........................................................................................................2-16
Main Drive..........................................................................................................................................................2-17
Adjustment of the Main Drive Chain ...........................................................................................................2-17
Alignment of the Main Drive Motor..............................................................................................................2-18
Replacement of the Main Drive Shaft, Worm Gears, or Bearing Blocks ...................................................2-19
Dryer Heater.......................................................................................................................................................2-21
Adjustment of the Dryer Temperature.........................................................................................................2-21
Replacement of the Blower Assembly.........................................................................................................2-22
Replacement of the Dryer Heater or the Heater Core................................................................................2-25
Plumbing............................................................................................................................................................2-28
Adjustment of the Developer Temperature .................................................................................................2-28
Replacement of the Developer Heater........................................................................................................2-30
Replacement of the Developer Over-temperature Thermostat...................................................................2-32
Replacement of the Developer Thermistor..................................................................................................2-33
Replacement of the Heat Exchangers ........................................................................................................2-34
Recirculation Pump......................................................................................................................................2-36
Replacement of the Recirculation Pump..............................................................................................2-36
Replacement of the O-Ring..................................................................................................................2-37
981777 2-1
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