Ricoh B089 Service Manual page 23

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
BRIDGE UNIT (A897/B417)
1. OVERALL MACHINE INFORMATION....................................... 16-1
1.1 SPECIFICATIONS...................................................................................16-1
1.2 MECHANICAL COMPONENT LAYOUT .................................................16-2
1.3 ELECTRICAL COMPONENT LAYOUT...................................................16-3
SM xi B089/B093