Paper Size Detection - Ricoh B022 Service Manual

3.1.2 TRAY COVER ATTACHMENT .......................................................13-6
3.2 TRAY MOTOR AND HALF TURN SENSOR REPLACEMENT ...............13-7
3.2.1 REPLACING THE TRAY MOTOR ..................................................13-7
3.2.2 REPLACING THE HALF TURN SENSOR:.....................................13-7
BY-PASS (A899/B415)
1 OVERALL MACHINE INFORMATION........................................ 14-1
1.1 SPECIFICATIONS...................................................................................14-1
1.2 MECHANICAL COMPONENT LAYOUT .................................................14-1
1.3 ELECTRICAL COMPONENT LAYOUT...................................................14-2
1.4 ELECTRICAL COMPONENT DESCRIPTION.........................................14-2
2 DETAILED DESCRIPTIONS ....................................................... 14-3
2.1 BASIC OPERATION................................................................................14-3

2.2 PAPER SIZE DETECTION......................................................................14-4

3 REPLACEMENT AND ADJUSTMENT ....................................... 14-5
3.1 PAPER FEED ROLLER/FRICTION PAD/PAPER END SENSOR...........14-5
3.2 PAPER SIZE SENSOR BOARD..............................................................14-6
3.3 PAPER FEED CLUTCH ..........................................................................14-7
DUPLEX (A896/B414)
1 OVERALL MACHINE INFORMATION........................................ 15-1
1.1 SPECIFICATIONS...................................................................................15-1
1.2 MECHANICAL COMPONENT LAYOUT .................................................15-2
1.3 ELECTRICAL COMPONENT LAYOUT...................................................15-3
1.4 ELECTRICAL COMPONENT DESCRIPTION.........................................15-4
1.5 DRIVE LAYOUT ......................................................................................15-5
2 DETAILED DESCRIPTIONS ....................................................... 15-6
2.1 BASIC OPERATION................................................................................15-6
Longer than A4 sideways/LT sideways...............................................15-6
Up to A4 sideways/LT sideways .........................................................15-7
2.2 FEED IN AND EXIT MECHANISM ..........................................................15-8
When paper is fed into duplex unit:.....................................................15-8
Inversion and Exit: ..............................................................................15-8
3 REPLACEMENT AND ADJUSTMENT ....................................... 15-9
3.1 COVER REMOVAL .................................................................................15-9
3.2 ENTRANCE SENSOR REPLACEMENT ...............................................15-10
3.3 EXIT SENSOR REPLACEMENT...........................................................15-11
B022/B027 xii
Rev. 11/2002
SM