Xerox MF Series Technical Document page 115

7-1. Overview ..................................................................................................M-11
7-2. PC Drum ..................................................................................................M-13
7-3. Developing System ..................................................................................M-14
7-4. Detection of Toner Cartridge ....................................................................M-15
(1) Installation detection ........................................................................M-15
(2) Detection of a new Toner Cartridge .................................................M-15
(3) Toner near empty and empty detection ...........................................M-15
8. IMAGE TRANSFER .........................................................................................M-16
8-1. Overview ..................................................................................................M-16
9. FUSING UNIT ..................................................................................................M-17
9-1. Overview ..................................................................................................M-17
9-2. Fusing Unit Temperature Control .............................................................M-18
(1) Temperature change ........................................................................M-18
(2) Temperature control .........................................................................M-18
(3) Temperature control mode ...............................................................M-19
(4) Fusing temperature in each mode ...................................................M-19
10. PAPER TAKE-UP SECTION ...........................................................................M-20
10-1.Multipurpose Tray ....................................................................................M-20
(1) Paper take-up mechanism ...............................................................M-20
(2) Double feed preventive mechanism .................................................M-20
(3) Paper empty detection .....................................................................M-21
(4) Paper take-up retry function .............................................................M-21
11. PAPER EXIT ....................................................................................................M-22
11-1.Paper Exit Mechanism .............................................................................M-22
MAINTENANCE
1. MAINTENANCE SCHEDULE ..........................................................................E-1
1-1. Guidelines for Life Specifications Values by Unit .....................................E-2
(1) Near life values ................................................................................E-2
(2) Life values ........................................................................................E-2
2. REPLACEMENT/CLEANING OF PARTS ........................................................E-3
(1) Cleaning of the Paper Take-Up Roll ................................................E-3
(2) Replacement of the Paper Take-Up Roll .........................................E-3
(3) Replacement of the Image Transfer Roller ......................................E-4
3. REPLACEMENT OF UNITS ............................................................................E-5
(1) Replacement of the Toner Cartridge ................................................E-5
(2) Replacement of the Drum Cartridge ................................................E-7
(3) Replacement of the Fusing Unit .......................................................E-8
DIS/REASSEMBLY,
ADJUSTMENT
1. PRECAUTIONS FOR DISASSEMBLY/ADJUSTMENTS .................................D-1
1-1. Parts That Must Not be Touched .............................................................D-1
(1) Variable resistors on board ..............................................................D-1
(2) Removal of the Controller/Mechanical Control Board ......................D-2
(3) Removal of the Control Panel ..........................................................D-2
(4) Removal of the Power Unit ..............................................................D-3
(5) Removal of the High Voltage Unit ....................................................D-3
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