Table of Contents
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Introduction........................................................................................................................................................ 1-1
Electrostatic Discharge ............................................................................................................................. 1-1
Processor Description............................................................................................................................... 1-2
Special Tools.............................................................................................................................................. 1-2
Specifications and Data ............................................................................................................................ 1-2
Service Procedures........................................................................................................................................... 2-1
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
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