Ricoh D146 Service Manual page 14

Replacement ...................................................................................... 4-59
4.8.3 PCU/DEVELOPMENT UNIT ........................................................... 4-61
Before replacing a PCU or development unit ..................................... 4-61
Replacement ...................................................................................... 4-61
Precautions when joining the PCU and the development Unit ........... 4-63
Check procedure after replacing ........................................................ 4-63
4.9 WASTE TONER ....................................................................................... 4-64
4.9.1 REPLACEMENT ............................................................................. 4-64
4.9.2 ADJUSTMENT AFTER REPLACING ............................................. 4-64
4.10 IMAGE TRANSFER UNIT .................................................................. 4-65
4.10.1 IMAGE TRANSFER BELT UNIT ............................................... 4-65
Adjustment before replacing the image transfer belt unit ................... 4-65
Replacement ...................................................................................... 4-65
4.10.2 IMAGE TRANSFER CLEANING UNIT ...................................... 4-68
Adjustment before replacing the image transfer cleaning unit ............ 4-68
Replacement ...................................................................................... 4-68
4.10.3 IMAGE TRANSFER BELT ........................................................ 4-70
Adjustment after replacing the Image transfer belt ............................. 4-72
4.10.4 PAPER TRANSFER ROLLER .................................................. 4-73
4.10.5 PAPER TRANSFER ROLLER UNIT ......................................... 4-73
Adjustment before replacing the paper transfer roller unit .................. 4-73
Replacement ...................................................................................... 4-73
4.10.6 PAPER TRANSFER EXIT SENSOR ......................................... 4-76
4.10.7 TM (ID) SENSOR ...................................................................... 4-76
Before Replacing the TM(ID) sensor .................................................. 4-76
Replacement procedure ..................................................................... 4-78
Adjustment after replacing the TM(ID) sensor .................................... 4-79
4.10.8 TEMPERATURE AND HUMIDITY SENSOR ............................ 4-80
4.11 DRIVE UNIT ....................................................................................... 4-81
4.11.1 OVERVIEW ............................................................................... 4-81
4.11.2 PAPER FEED MOTOR ............................................................. 4-82
4.11.3 TRANSPORT MOTOR .............................................................. 4-82
4.11.4 TRANSFER MOTOR UNIT ....................................................... 4-83
4.11.5 IMAGING DRIVE UNIT ............................................................. 4-85
4.11.6 PCU MOTOR: CMY .................................................................. 4-86
4.11.7 DEVELOPMENT MOTOR: CMY ............................................... 4-86
4.11.8 DEVELOPMENT MOTOR: BLACK ........................................... 4-87
4.11.9 PCU: BLACK / IMAGE TRANSFER MOTOR ............................ 4-87
4.11.10 REGISTRATION MOTOR ..................................................... 4-87
SM ix D146/D147/D148/D149/D150