Ricoh D197 Service Manual page 16

4.14 PAPER EXIT .................................................................................... 4-129
4.14.1 PAPER EXIT UNIT .................................................................. 4-129
4.14.2 PAPER EXIT SWITCHING SOLENOID .................................. 4-130
4.14.3 PAPER EXIT SENSOR ........................................................... 4-131
4.14.4 REVERSE SENSOR ............................................................... 4-132
4.14.5 PAPER EXIT FULL SENSOR ................................................. 4-133
4.14.6 REVERSE MOTOR ................................................................. 4-134
4.14.7 FUSING EXIT SENSOR .......................................................... 4-135
4.15 PAPER FEED .................................................................................. 4-136
4.15.1 PAPER FEED UNIT ................................................................ 4-136
1st Paper Feed Unit ......................................................................... 4-136
2nd Paper Feed Unit ........................................................................ 4-137
4.15.2 PAPER DUST COLLECTION UNIT ........................................ 4-139
4.15.3 PICK-UP ROLLER, PAPER FEED ROLLER, SEPARATION
ROLLER, TORQUE LIMITER ................................................................ 4-141
4.15.4 1ST / 2ND PAPER FEED TRAY LIFT MOTOR ....................... 4-143
4.15.5 1ST / 2ND PAPER FEED SENSOR ........................................ 4-144
4.15.6 VERTICAL TRANSPORT SENSOR........................................ 4-145
4.15.7 LIMIT SENSOR ....................................................................... 4-146
4.15.8 1ST PAPER END SENSOR / 2ND PAPER END SENSOR .... 4-146
4.15.9 REGISTRATION SENSOR ..................................................... 4-148
4.16 DUPLEX UNIT ................................................................................. 4-149
4.16.1 DUPLEX/BY-PASS MOTOR ................................................... 4-149
4.16.2 DUPLEX ENTRANCE MOTOR ............................................... 4-150
4.16.3 DUPLEX ENTRANCE SENSOR ............................................. 4-151
4.16.4 DUPLEX EXIT SENSOR ......................................................... 4-153
4.17 BYPASS TRAY UNIT ....................................................................... 4-154
4.17.1 BYPASS TRAY ....................................................................... 4-154
4.17.2 BYPASS PAPER END SENSOR ............................................ 4-156
4.17.3 BYPASS PICK-UP ROLLER ................................................... 4-157
4.17.4 BYPASS PAPER FEED ROLLER ........................................... 4-158
4.17.5 BYPASS SEPARATION ROLLER........................................... 4-158
4.17.6 TORQUE LIMITER .................................................................. 4-158
4.17.7 BYPASS WIDTH SENSOR ..................................................... 4-159
4.17.8 BYPASS LENGTH SENSOR .................................................. 4-161
4.18 PCBS AND OTHER ITEMS ............................................................. 4-162
4.18.1 OVERVIEW ............................................................................. 4-162
Around the Controller Box ................................................................ 4-162
Around the Power Supply Box ......................................................... 4-163
D197/D198/D199/D200/D201/D202 xii SM