M047 ii SM
PREVENTIVE MAINTENANCE
3. PREVENTIVE MAINTENANCE ....................................................3-1
3.1USER MAINTENANCE .............................................................................. 3-1
3.2SERVICE MAINTENANCE ........................................................................ 3-2
3.2.1 MAIN ................................................................................................. 3-2
3.2.2 PAPER FEED UNIT (OPTION) ......................................................... 3-3
REPLACEMENT AND ADJUSTMENT
4. REPLACEMENT AND ADJUSTMENT .........................................4-1
4.1GENERAL .................................................................................................. 4-1
4.1.1 PRECAUTIONS ON DISASSEMBLY ............................................... 4-1
Laser unit.............................................................................................. 4-1
Transfer Roller ...................................................................................... 4-2
Fusing .................................................................................................. 4-2
Paper Feed ........................................................................................... 4-2
4.1.2 RELEASING PLASTIC LATCHES .................................................... 4-2
4.1.3 AFTER SERVICING THE MACHINE ................................................ 4-3
4.2SPECIAL TOOLS ....................................................................................... 4-4
4.3EXTERIOR COVERS ................................................................................. 4-5
4.3.1 OPERATION PANEL ........................................................................ 4-5
4.3.2 REAR COVER .................................................................................. 4-6
4.3.3 UPPER COVER ................................................................................ 4-6
4.3.4 BY-PASS TRAY ................................................................................ 4-7
4.3.5 LEFT COVER ................................................................................... 4-8
4.3.6 FRONT DOOR .................................................................................. 4-9
4.3.7 RIGHT COVER ............................................................................... 4-10
Tab Locations on the Right Cover ...................................................... 4-11
4.4LASER UNIT ............................................................................................ 4-12
4.4.1 CAUTION DECAL LOCATION ........................................................ 4-12
4.4.2 POLYGON MIRROR MOTOR ........................................................ 4-13
4.4.3 LASER UNIT ................................................................................... 4-14
When reinstalling the laser unit .......................................................... 4-15
4.4.4 LASER DIODE UNIT ...................................................................... 4-16
When installing the LD Unit: ............................................................... 4-16
4.4.5 LASER BEAM PITCH ADJUSTMENT ............................................ 4-17
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