Ricoh G035 Service Manual page 21

4.2.1 PAPER FEED, SEPARATION, AND PICK-UP ROLLERS ........... 11-11
Pick-up Roller ................................................................................... 11-11
Paper Feed Roller ............................................................................ 11-11
Separation Roller.............................................................................. 11-11
4.3 TRAY LIFT AND PAPER END SENSOR REPLACEMENT .................. 11-12
Tray Lift Sensor ................................................................................ 11-12
Paper End Sensor ............................................................................ 11-12
4.4 RELAY SENSOR REPLACEMENT....................................................... 11-13
4.5 SIDE FENCE POSITION CHANGE ...................................................... 11-14
NINE-TRAY MAILBOX AND BRIDGE UNIT G909/G912
1. OVERALL MACHINE INFORMATION ...................................... 12-1
1.1 SPECIFICATIONS .................................................................................. 12-1
1.2 COMPONENT LAYOUT.......................................................................... 12-2
1.2.1 MECHANICAL COMPONENT LAYOUT ........................................ 12-2
1.2.2 DRIVE LAYOUT ............................................................................. 12-3
1.3 ELECTRICAL COMPONENT DESCRIPTIONS ...................................... 12-4
2. DETAILED DESCRIPTIONS...................................................... 12-6
2.1 BASIC OPERATION ............................................................................... 12-6
Proof Tray........................................................................................... 12-6
Bridge Unit.......................................................................................... 12-6
Trays................................................................................................... 12-6
2.2 PROOF TRAY SENSORS ...................................................................... 12-7
2.2.1 PAPER SENSOR ........................................................................... 12-7
2.2.2 PAPER OVERFLOW SENSOR...................................................... 12-7
2.3 TRAY SENSORS .................................................................................... 12-8
2.3.1 PAPER SENSOR ........................................................................... 12-8
2.3.2 PAPER OVERFLOW SENSOR...................................................... 12-8
2.3.3 TRAY EXIT SENSOR..................................................................... 12-8
2.4 TIMING CHART AND MISFEED DETECTION ....................................... 12-9
3. INSTALLATION PROCEDURE ............................................... 12-11
3.1 MAILBOX (G909) .................................................................................. 12-11
3.1.1 ACCESSORY CHECK ................................................................. 12-11
3.1.2 REQUIREMENT OPTIONS FOR MAIN MACHINE ...................... 12-11
3.1.3 INSTALLATION PROCEDURE .................................................... 12-12
1.2 BRIDGE UNIT FOR MAILBOX (G912).................................................. 12-15
1.2.1 ACCESSORY CHECK ................................................................. 12-15
1.2.2 INSTALLATION PROCEDURE .................................................... 12-16
4. REPLACEMENT AND ADJUSTMENT .................................... 12-21
4.1 PROOF TRAY UNIT.............................................................................. 12-21
4.1.1 PROOF TRAY SENSOR AND PAPER
OVERFLOW SENSORS ............................................................... 12-21
4.1.2 PROOF TRANSPORT UNIT ........................................................ 12-21
SM ix
Rev. 08/2000
G035