Ricoh D131 Service Manual page 10

Punch Unit Type 3260 (B702) for Finisher SR4060/SR4070 (D611/D612)
........................................................................................................... 3-10
Multi Folding Unit FD4000 (D615) ...................................................... 3-11
Related SP Codes .............................................................................. 3-11
4. REPLACEMENT AND ADJUSTMENT ......................................... 4-1
4.1 GENERAL CAUTIONS .............................................................................. 4-1
4.1.1 DRUM ............................................................................................... 4-1
4.1.2 DRUM UNIT ...................................................................................... 4-1
4.1.3 TRANSFER BELT UNIT ................................................................... 4-2
4.1.4 SCANNER UNIT ............................................................................... 4-2
4.1.5 LASER UNIT ..................................................................................... 4-2
4.1.6 CHARGE CORONA .......................................................................... 4-3
4.1.7 DEVELOPMENT ............................................................................... 4-3
4.1.8 CLEANING ....................................................................................... 4-4
4.1.9 FUSING UNIT ................................................................................... 4-4
4.1.10 PAPER FEED ............................................................................... 4-4
4.1.11 USED TONER .............................................................................. 4-4
4.2 SPECIAL TOOLS AND LUBRICANTS ...................................................... 4-5
4.2.1 SPECIAL TOOLS ............................................................................. 4-5
4.2.2 LUBRICANTS ................................................................................... 4-5
4.3 OPERATION PANEL AND EXTERNAL COVERS ..................................... 4-6
4.3.1 OPERATION PANEL ........................................................................ 4-6
4.3.2 FRONT DOOR .................................................................................. 4-9
4.3.3 RIGHT COVERS .............................................................................. 4-9
4.3.4 LEFT COVERS ............................................................................... 4-10
4.3.5 REAR COVERS .............................................................................. 4-11
4.4 SCANNER ............................................................................................... 4-12
4.4.1 ADF................................................................................................. 4-12
4.4.2 EXPOSURE GLASS ....................................................................... 4-13
4.4.3 SCANNER ORIGINAL SIZE SENSORS ......................................... 4-14
Original Width Sensors ....................................................................... 4-14
Original Length Sensors ..................................................................... 4-16
4.4.4 LENS BLOCK ................................................................................. 4-17
4.4.5 EXPOSURE LAMP ......................................................................... 4-20
4.4.6 SIOB ............................................................................................... 4-20
4.4.7 SCANNER MOTOR ........................................................................ 4-23
4.4.8 SCANNER HP SENSOR ................................................................ 4-24
4.4.9 SCANNER WIRE REPLACEMENT ................................................ 4-25
D131/D132/D133 vi SM