Ricoh A292 Service Manual - Page 8

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6.5 DRUM UNIT ............................................................................................6-30
6.5.1 DRUM POTENTIAL SENSOR REPLACEMENT ............................6-30
6.5.2 DRUM MOTOR REPLACEMENT...................................................6-31
6.5.3 TONER OUTPUT AND RECYCLING PUMP UNIT
REPLACEMENT.............................................................................6-32
6.6 DEVELOPMENT AND TONER SUPPLY ................................................6-34
6.6.1 DEVELOPMENT AND AIR DUST FILTER REPLACEMENT .........6-34
6.6.2 DEVELOPER REPLACEMENT ......................................................6-35
6.6.3 TONER END SENSOR REPLACEMENT.......................................6-37
6.6.4 DEVELOPMENT MOTOR REPLACEMENT ..................................6-37
6.7 TRANSFER BELT UNIT..........................................................................6-38
6.7.1 TRANSFER BELT UNIT REMOVAL/INSTALLATION ....................6-38
- Removal - .........................................................................................6-38
- Installation - ......................................................................................6-38
6.13 PAPER FEED........................................................................................6-40
6.13.1 PAPER TRAY REMOVAL ............................................................6-40
Tandem Tray Removal .......................................................................6-40
Universal trays (Customer adjust/Technician adjust) Removal...........6-42
6.13.2 REAR FENCE RETURN SENSOR REPLACEMENT...................6-43
6.13.3 REAR FENCE HP SENSOR REPLACEMENT.............................6-44
6.13.4 BOTTOM PAPER SENSOR REPLACEMENT .............................6-45
6.13.5 BOTTOM PLATE LIFT WIRE REPLACEMENT ...........................6-46
6.13.6 TANDEM LCT PAPER SIZE CHANGE ........................................6-48
6.13.7 BY-PASS PAPER SIZE BOARD REPLACEMENT.......................6-51
6.13.13 PAPER FEED CLUTCH/RELAY CLUTCH REMOVAL...............6-53
6.13.9 BY-PASS FEED MOTOR/CLUTCH REMOVAL ...........................6-56
6.13.10 REGISTRATION MOTOR REMOVAL ........................................6-57
6.13.11 PAPER TRAY UNIT REMOVAL .................................................6-58
6.9 FUSING UNIT..........................................................................................6-59
6.9.1 FUSING UNIT REMOVAL ..............................................................6-59
6.9.2 FUSING THERMISTOR/THERMOFUSE/THERMOSTAT
REPLACEMENT.............................................................................6-60
Fusing Thermistor Replacement.........................................................6-60
Fusing Thermofuse Replacement (for A292/A293 only) .....................6-60
Fusing Thermostat Replacement (for B0913 only) .............................6-61
Fusing Thermostat Replacement (for B0913 only) .............................6-61
6.9.3 FUSING LAMP REPLACEMENT ...................................................6-62
6.9.4 HOT ROLLER REPLACEMENT .....................................................6-63
6.9.5 OIL SUPPLY/CLEANING ROLLER REPLACEMENT ....................6-65
6.9.6 PRESSURE ROLLER CLEANING ROLLER REPLACEMENT ......6-66
6.9.7 MAGNET POSITION ADJUSTMENT .............................................6-67
6.9.13 HOT ROLLER STRIPPER PAWL REPLACEMENT .....................6-68
6.10 PAPER EXIT/DUPLEX UNIT.................................................................6-70
6.10.1 1ST AND 2ND EXIT SENSOR .....................................................6-70
6.10.2 JOGGER MOTOR ........................................................................6-71
6.10.3 DUPLEX ENTRANCE SENSOR ..................................................6-71
6.10.4 DUPLEX TRANSPORT/DUPLEX FEED CLUTCHES ..................6-72
6.10.5 DUPLEX TRANSPORT SENSOR 1 .............................................6-72
6.10.6 DUPLEX TRANSPORT SENSORS 2 & 3 ....................................6-73
SM
vii
Rev. 10/2002
A292/A293/B098