Ricoh MT-C1 Service Manual page 10

2. PREVENTIVE MAINTENANCE................................................... 2-1
2.1 PM TABLES ..............................................................................................2-1
2.1.1 MAIN MACHINE ...............................................................................2-1
2.1.2 ADF ..................................................................................................2-5
2.1.3 OPTIONAL PERIPHERAL DEVICES ...............................................2-5
LCT (Large Capacity Tray) B473 ..........................................................2-5
Cover Interposer Tray B470..................................................................2-5
3000-Sheet Finisher with 50-sheet stapler and Saddle-Stitching
B468/B469/B674...................................................................................2-6
3000-Sheet Finisher B478/B706...........................................................2-6
Z-Folding Unit Type 2105 (B660)..........................................................2-6
2000/3000-Sheet Booklet Finisher B700/B701 .....................................2-7
Punch B702 ..........................................................................................2-7
2.2 RELATED SP CODES ..............................................................................2-7
3. REPLACEMENT AND ADJUSTMENT........................................ 3-1
3.1 GENERAL CAUTIONS ..............................................................................3-1
3.1.1 DRUM...............................................................................................3-1
3.1.2 DRUM UNIT .....................................................................................3-1
3.1.3 TRANSFER BELT UNIT ...................................................................3-2
3.1.4 SCANNER UNIT...............................................................................3-2
3.1.5 LASER UNIT ....................................................................................3-2
3.1.6 CHARGE CORONA..........................................................................3-3
3.1.7 DEVELOPMENT...............................................................................3-3
3.1.8 CLEANING .......................................................................................3-4
3.1.9 FUSING UNIT...................................................................................3-4
3.1.10 PAPER FEED.................................................................................3-4
3.1.11 USED TONER ................................................................................3-4
3.2 SPECIAL TOOLS AND LUBRICANTS ................................................3-5
3.2.1 SPECIAL TOOLS .............................................................................3-5
3.2.2 LUBRICANTS ...................................................................................3-5
3.3 OPERATION PANEL AND EXTERNAL COVERS ....................................3-6
3.3.1 OPERATION PANEL........................................................................3-6
3.3.2 FRONT DOOR..................................................................................3-6
3.3.3 RIGHT COVERS ..............................................................................3-7
3.3.4 LEFT COVERS.................................................................................3-8
3.3.5 REAR COVERS................................................................................3-9
3.4 SCANNER ...............................................................................................3-10
3.4.1 ADF AND TOP COVERS ...............................................................3-10
ADF.....................................................................................................3-10
Top Covers .........................................................................................3-11
3.4.2 EXPOSURE GLASS.......................................................................3-12
3.4.3 SCANNER ORIGINAL SIZE SENSORS.........................................3-13
3.4.4 LENS BLOCK .................................................................................3-14
3.4.5 EXPOSURE LAMP .........................................................................3-15
3.4.6 LAMP REGULATOR.......................................................................3-16
3.4.7 SCANNER MOTOR DRIVE BOARD (SDRB).................................3-17
3.4.8 SCANNER MOTOR........................................................................3-18
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