Table Of Contents - Minolta Di152 Service Manual

1. SAFETY INFORMATION ................................................................................. D-1
1-1. LASER SAFETY ...................................................................................... D-1
1-2. INTERNAL LASER RADIATION .............................................................. D-1
1-3. LASER SAFETY LABEL .......................................................................... D-4
1-4. LASER CAUTION LABEL ........................................................................ D-4
1-5. PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT ............... D-4
2. SERVICE INSTRUCTIONS ............................................................................. D-5
2-1. IDENTIFICATION OF FUSES AND CIRCUIT BREAKERS .................... D-5
2-2. PARTS WHICH MUST NOT BE TOUCHED ........................................... D-6
(1) Red Painted Screws ........................................................................ D-6
(2) Variable Resistors on Board ............................................................ D-6
3. DISASSEMBLY/REASSEMBLY ...................................................................... D-7
3-1. DOORS, COVERS, AND EXTERIOR PARTS: IDENTIFICATION
AND REMOVAL PROCEDURES ............................................................ D-7
3-2. REMOVAL OF CIRCUIT BOARDS AND OTHER ELECTRICAL
COMPONENTS ....................................................................................... D-9
(1) Removal of the Master Board .......................................................... D-10
(2) Removal of the Control Board ......................................................... D-11
(3) Removal of the High Voltage Unit ................................................... D-11
(4) Removal of the DC Power Supply ................................................... D-13
3-3. MAINTENANCE SCHEDULE .................................................................. D-16
3-4. PAPER TAKE-UP/TRANSPORT SECTION ............................................ D-18
(1) Removal of the Paper Separator Roll Assy and
Paper Take-Up Roll ......................................................................... D-18
(2) Cleaning of the Paper Separator Roll .............................................. D-18
(3) Cleaning of the Paper Take-Up Roll ................................................ D-18
(4) Cleaning of the Right and Left Synchronizing Rollers ..................... D-19
(5) Removal of the Paper Dust Remover Assy ..................................... D-19
(6) Cleaning of the Paper Dust Remover .............................................. D-20
(7) Cleaning of the Bypass Transport Roller ......................................... D-20
3-5. OPTICAL SECTION ................................................................................ D-21
(1) Cleaning of the Original Glass and ADF Glass ............................... D-21
(2) Cleaning of Mirrors .......................................................................... D-21
(3) Cleaning of the Lens ........................................................................ D-21
(4) Cleaning of the CCD Sensor ........................................................... D-22
(5) Cleaning of the Scanner Rails/Bushings ......................................... D-22
(6) Removal of the CCD Unit ................................................................ D-23
(7) Removal of the Scanner, Exposure Lamp, and Inverter Board ....... D-23
(8) Removal of the Scanner Drive Cables ............................................ D-25
(9) Winding of the Scanner Drive Cables .............................................. D-27
3-6. PH ............................................................................................................ D-29
(1) Removal of the PH Unit ................................................................... D-29
(2) Cleaning of the PH Window ............................................................. D-29
3-7. Imaging Unit (IU) ...................................................................................... D-30
(1) Removal of the IU ............................................................................ D-30
(2) Disassembly of the IU ...................................................................... D-30
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