Minolta CF2002 Service Manual page 14

(4) Replacing the Fusing Unit ............................................................... E-26
DIS/REASSEMBLY, ADJUSTMENT
1. SERVICE INSTRUCTIONS ............................................................................. D-1
1-1. IDENTIFICATION OF FUSES ................................................................. D-1
1-2. PARTS WHICH MUST NOT BE TOUCHED ........................................... D-2
(1) Red painted Screws ........................................................................ D-2
(2) Variable Resistors on Board ............................................................ D-2
2. DISASSEMBLY/REASSEMBLY ...................................................................... D-3
2-1. DOORS, COVERS, AND EXTERIOR PARTS:
IDENTIFICATION AND REMOVAL PROCEDURES ............................... D-3
2-2. REMOVAL OF CIRCUIT BOARDS AND OTHER ELECTRICAL
COMPONENTS ....................................................................................... D-5
(1) Removal of the CCD Unit ................................................................ D-8
(2) Removal of the Image Processing Board and Image Processing
Interface Board ................................................................................ D-10
(3) Removal of the Image Control Board .............................................. D-12
(4) Removal of the High Voltage Unit (PC Drum CH.),
High Voltage Unit (Image Transfer, Neutralizing),
High Voltage Unit (Developing Bias),
and Paper Size Detecting Board ..................................................... D-13
(5) Removal of DC Power Supply 1 ...................................................... D-15
2-3. Removal of Units ..................................................................................... D-16
(1) Removal of the Toner Hopper Unit .................................................. D-16
(2) Removal of the LPH Unit ................................................................. D-17
2-4. Disassembly of the IR Unit ...................................................................... D-19
(1) Removal of the Scanner Motor ........................................................ D-19
(2) Remove of the Scanner Assy .......................................................... D-20
(3) Removal of the Scanner Drive Cables ............................................ D-21
(4) Winding of the Scanner Drive Cables .............................................. D-23
2-5. CLEANING AND DISASSEMBLY OF THE ENGINE PARTS ................. D-28
(1) Cleaning of the Transfer Belt Unit ................................................... D-28
(2) Removal of the Imaging Unit Motor C/M/Y/Bk ................................. D-29
(3) Removal of the Main Motor ............................................................. D-30
(4) Removal of the Fusing Drive Motor ................................................. D-31
(5) Removal of the Fusing Pressure/Retraction Motor .......................... D-31
(6) Removal of the 1st Image Transfer Pressure/Retraction Motor ...... D-33
(7) Removal of Toner Replenishing Motor C/Bk ................................... D-33
(8) Removal of Toner Replenishing Motor Y/M ..................................... D-34
(9) Removal of the 2nd Image Transfer Pressure/Retraction Motor ..... D-34
(10) Removal of the Transport Roller Motor ........................................... D-35
(11) Removal of AIDC/Registration Sensor 1/2 ...................................... D-37
(12) Removal of the LPH Assy ................................................................ D-38
(13) Removal of ATDC Sensor Y/M/C .................................................... D-40
(14) Removal of the LED Drive Board .................................................... D-41
3. ADJUSTMENTS .............................................................................................. D-42
3-1. ADJUSTMENT JIGS AND TOOLS USED ............................................... D-42
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