Ricoh A-C2 Service Manual page 14

1.2.1 PAPER FEED, SEPARATION, AND PICK-UP ROLLERS ........ A682-2
Pick-up Roller ................................................................................ A682-2
Paper Feed Roller.......................................................................... A682-2
Separation Roller ........................................................................... A682-2
1.3 TRAY MOTOR REPLACEMENT........................................................ A682-3
1.4 PAPER FEED AND RELAY CLUTCH REPLACEMENT .................... A682-4
1.5 PAPER FEED UNIT REPLACEMENT................................................ A682-5
Upper Paper Feed Unit .................................................................. A682-6
Lower Paper Feed Unit .................................................................. A682-6
1.6 PAPER END, TRAY LIFT, AND RELAY SENSOR REPLACEMENT. A682-7
Paper End Sensor ......................................................................... A682-7
Tray Lift Sensor ............................................................................. A682-7
Relay Sensor ................................................................................. A682-7
2 SERVICE TABLES................................................................. A682-8
2.1 DIP SWITCHES.................................................................................. A682-8
2.2 TEST POINTS .................................................................................... A682-8
2.3 SWITCHES......................................................................................... A682-8
2.4 FUSES ............................................................................................... A682-8
3 DETAILED DESCRIPTIONS .................................................. A682-9
3.1 MECHANICAL COMPONENT LAYOUT ............................................ A682-9
3.2 ELECTRICAL COMPONENT LAYOUT............................................ A682-10
3.3 ELECTRICAL COMPONENT DESCRIPTION.................................. A682-11
3.4 DRIVE LAYOUT ............................................................................... A682-12
3.5 PICK-UP AND SEPARATION ROLLER RELEASE MECHANISM... A682-13
3.6 PAPER LIFT MECHANISM .............................................................. A682-14
3.7 PAPER END DETECTION ............................................................... A682-16
3.8 PAPER HEIGHT DETECTION ......................................................... A682-17
4 SPECIFICATIONS................................................................ A682-18
BRIDGE UNIT (B688)
1 OVERALL MACHINE INFORMATION ................................... A688-1
1.1 SPECIFICATIONS.............................................................................. A688-1
1.2 MECHANICAL COMPONENT LAYOUT ............................................ A688-2
1.3 ELECTRICAL COMPONENT LAYOUT.............................................. A688-3
1.4 ELECTRICAL COMPONENT DESCRIPTION.................................... A688-3
1.5 DRIVE LAYOUT ................................................................................. A688-4
2 DETAILED DESCRIPTION .................................................... A688-5
2.1 JUNCTION GATE MECHANISM........................................................ A688-5
3 REPLACEMENT AND ADJUSTMENT................................... A688-6
3.1 EXIT SENSOR REPLACEMENT........................................................ A688-6
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