Ricoh D146 Service Manual page 16

4.12.13 FUSING THERMOPILE UNIT ............................................. 4-109
4.12.14 PRESSURE ROLLER HP SENSOR .................................... 4-109
4.12.15 FUSING SHIELD POSITION SENSOR ............................... 4-110
4.12.16 FUSING SHIELD DRIVE MOTOR ....................................... 4-111
4.13 PAPER EXIT .................................................................................... 4-112
4.13.1 PAPER EXIT UNIT .................................................................. 4-112
4.13.2 PAPER EXIT SWITCHING SOLENOID .................................. 4-112
4.13.3 PAPER EXIT SENSOR ........................................................... 4-113
4.13.4 REVERSE SENSOR ............................................................... 4-114
4.13.5 PAPER EXIT FULL SENSOR ................................................. 4-115
4.13.6 REVERSE MOTOR ................................................................. 4-115
4.13.7 FUSING EXIT SENSOR .......................................................... 4-116
4.14 PAPER FEED .................................................................................. 4-117
4.14.1 PAPER FEED UNIT ................................................................ 4-117
1st Paper Feed Unit ......................................................................... 4-117
2nd Paper Feed Unit ........................................................................ 4-118
4.14.2 PAPER DUST COLLECTION UNIT ........................................ 4-120
4.14.3 PICK-UP ROLLER, PAPER FEED ROLLER, SEPARATION
ROLLER, TORQUE LIMITER ................................................................ 4-120
4.14.4 PAPER FEED SOLENOID ...................................................... 4-122
4.14.5 PAPER FEED SENSOR ......................................................... 4-123
4.14.6 VERTICAL TRANSPORT SENSOR ........................................ 4-124
4.14.7 LIMIT SENSOR ....................................................................... 4-125
4.14.8 PAPER END SENSOR ........................................................... 4-125
4.14.9 REGISTRATION SENSOR ..................................................... 4-126
4.15 BY-PASS TRAY UNIT ...................................................................... 4-127
4.15.1 BY-PASS TRAY ...................................................................... 4-127
4.15.2 BY-PASS PAPER END SENSOR ........................................... 4-129
4.15.3 BY-PASS PICK-UP ROLLER .................................................. 4-130
4.15.4 BY-PASS PAPER FEED ROLLER .......................................... 4-130
4.15.5 BY-PASS SEPARATION ROLLER ......................................... 4-131
4.15.6 TORQUE LIMITER .................................................................. 4-131
4.15.7 BY-PASS TRAY SIDE FENCE (D150 ONLY) ......................... 4-132
4.16 DUPLEX UNIT ................................................................................. 4-134
4.16.1 DUPLEX UNIT ........................................................................ 4-134
4.16.2 DUPLEX/BY-PASS MOTOR ................................................... 4-136
4.16.3 DUPLEX ENTRANCE SENSOR ............................................. 4-137
4.16.4 DUPLEX JAM PROCESSING LED ......................................... 4-139
4.16.5 DUPLEX EXIT SENSOR ......................................................... 4-139
SM xi D146/D147/D148/D149/D150