Ricoh D131 Service Manual page 12

4.7.2 DEVELOPMENT FILTER ............................................................... 4-57
4.7.3 ENTRANCE SEAL AND SIDE SEALS............................................ 4-58
Removal ............................................................................................. 4-58
Reinstalling ......................................................................................... 4-59
4.7.4 TD SENSOR ................................................................................... 4-60
4.7.5 TONER END SENSOR ................................................................... 4-61
4.7.6 TONER SUPPLY MOTOR .............................................................. 4-62
Cleaning Requirement ........................................................................ 4-63
4.7.7 DEVELOPMENT MOTOR .............................................................. 4-63
4.8 TRANSFER BELT UNIT .......................................................................... 4-64
4.8.1 TRANSFER BELT UNIT REMOVAL ............................................... 4-64
4.8.2 TRANSFER BELT REMOVAL ........................................................ 4-65
Re-installation .................................................................................... 4-66
4.8.3 TRANSFER ROLLER CLEANING BLADE ..................................... 4-67
4.8.4 DISCHARGE PLATE ...................................................................... 4-68
Reinstallation ...................................................................................... 4-68
4.8.5 TRANSFER POWER PACK ........................................................... 4-69
Re-installation .................................................................................... 4-69
4.9 FUSING UNIT .......................................................................................... 4-70
4.9.1 FUSING UNIT REMOVAL .............................................................. 4-70
4.9.2 FUSING UNIT THERMISTORS AND THERMOSTATS ................. 4-71
Reinstallation ...................................................................................... 4-72
4.9.3 WEB CLEANING ROLLER ............................................................. 4-72
Web Unit Disassembly ....................................................................... 4-72
Reinstallation ...................................................................................... 4-73
Web Unit Re-assembly ....................................................................... 4-74
4.9.4 WEB MOTOR AND WEB END SENSOR ....................................... 4-75
Reinstallation ...................................................................................... 4-76
4.9.5 PRESSURE ROLLER CLEANING UNIT ........................................ 4-76
Reinstallation ...................................................................................... 4-76
4.9.6 FUSING LAMPS, HOT ROLLER, AND PRESSURE ROLLER ....... 4-77
Fusing Lamps ..................................................................................... 4-77
Hot Roller and Pressure Roller ........................................................... 4-79
4.9.7 PRESSURE ROLLER ..................................................................... 4-81
Spring Adjustment .............................................................................. 4-81
4.9.8 STRIPPER PAWLS ........................................................................ 4-82
4.9.9 NIP BAND WIDTH ADJUSTMENT ................................................. 4-83
4.9.10 FUSING UNIT EXIT SENSOR .................................................... 4-84
D131/D132/D133 viii SM