Ricoh Aficio 270 - Page 23

SM xiii A265/A267
FINISHER A681
1. OVERALL MACHINE INFORMATION....................................... 17-1
1.1 SPECIFICATIONS.................................................................................. 17-1
1.2 MECHANICAL COMPONENT LAYOUT................................................. 17-2
1.3 ELECTRICAL COMPONENT LAYOUT .................................................. 17-3
1.4 ELECTRICAL COMPONENT DESCRIPTIONS...................................... 17-4
1.5 DRIVE LAYOUT ..................................................................................... 17-6
2. DETAILED DESCRIPTIONS ...................................................... 17-7
2.1 JUNCTION GATE MECHANISM............................................................ 17-7
Staple Mode....................................................................................... 17-7
No staple Mode.................................................................................. 17-7
2.2 JOGGER UNIT PAPER POSITIONING MECHANISM........................... 17-8
2.3 EXIT GUIDE PLATE OPEN/CLOSE MECHANISM................................ 17-9
2.4 STAPLER ..............................................................................................17-10
2.5 FEED OUT MECHANISM......................................................................17-11
2.6 SHIFT TRAY UP/DOWN MECHANISM.................................................17-12
2.7 SHIFT TRAY SIDE-TO-SIDE MECHANISM..........................................17-13
2.8 JAM CONDITIONS................................................................................17-14
2.9 TIMING CHARTS...................................................................................17-15
2.9.1 NO STAPLE MODE (A4 SIDEWAYS, 3 SHEETS/2SETS)...........17-15
2.9.2 STAPLE MODE (A4 SIDEWAYS, 2 SHEETS/2 SETS) ................17-16
3. SERVICE TABLE .....................................................................17-17
3.1 DIP SWITCH TABLE .............................................................................17-17
3.2 TEST POINTS .......................................................................................17-17
3.3 FUSES...................................................................................................17-17
4. REPLACEMENT AND ADJUSTMENT.....................................17-18
4.1 COVER REMOVAL................................................................................17-18
Front Door.........................................................................................17-18
Front Cover.......................................................................................17-18
Rear Cover........................................................................................17-18
Upper Cover......................................................................................17-18
Lower Left Cover...............................................................................17-19
Front Shift Tray Cover.......................................................................17-19
Rear Shift Tray Cover .......................................................................17-19
Shift Tray...........................................................................................17-19
4.2 ENTRANCE SENSOR REPLACEMENT ...............................................17-20
4.3 EXIT SENSOR REPLACEMENT...........................................................17-21
4.4 STACK HEIGHT SENSOR REPLACEMENT ........................................17-22
4.5 POSITIONING ROLLER REPLACEMENT ............................................17-23
4.6 STAPLER REPLACEMENT...................................................................17-24
4.7 ROM HISTORY .....................................................................................17-25
Rev. 03/2000