Gestetner A294 Service Manual page 20

TROUBLESHOOTING
7. TROUBLESHOOTING ................................................................ 7-1
7.1 SERVICE CALL CONDITIONS .................................................................7-1
7.1.1 SUMMARY .......................................................................................7-1
7.1.2 SC CODE DESCRIPTIONS .............................................................7-2
7.2 ELECTRICAL COMPONENT DEFECTS.................................................7-37
7.2.1 SENSORS ......................................................................................7-37
7.2.2 SWITCHES.....................................................................................7-41
7.3 BLOWN FUSE CONDITIONS .................................................................7-42
7.4 FIRMWARE HISTORY ............................................................................7-43
7.4.1 A294 / A295 FIRMWARE MODIFICATION HISTORY....................7-43
3,000-SHEET FINISHER B302
1. OVERALL MACHINE INFORMATION ........................................ 8-1
1.1 SPECIFICATIONS.....................................................................................8-1
1.2 MECHANICAL COMPONENT LAYOUT....................................................8-3
1.3 ELECTRICAL COMPONENT DESCRIPTION...........................................8-4
1.4 DRIVE LAYOUT ........................................................................................8-6
2. DETAILED DESCRIPTIONS ....................................................... 8-7
2.1 TRAY AND STAPLER JUNCTION GATE .................................................8-7
2.2 PAPER PRE-STACKING...........................................................................8-8
2.3 JOGGER UNIT PAPER POSITIONING.....................................................8-9
2.4 STAPLER UNIT MOVEMENT .................................................................8-10
2.5 STAPLER ................................................................................................8-12
2.6 FEED-OUT ..............................................................................................8-14
2.7 SHIFT TRAY UP/DOWN MOVEMENT....................................................8-15
2.8 SHIFT TRAY SIDE-TO-SIDE MOVEMENT .............................................8-16
2.9 PUNCH UNIT DRIVE ..............................................................................8-17
2.10 PUNCH WASTE COLLECTION ............................................................8-18
2.11 JAM CONDITIONS ................................................................................8-19
3. SERVICE TABLES.................................................................... 8-20
3.1 DIP SWITCHES.......................................................................................8-20
3.2 TEST POINTS .........................................................................................8-20
3.3 FUSES.....................................................................................................8-20
4. REPLACEMENT AND ADJUSTMENT...................................... 8-21
4.1 COVER REPLACEMENT ........................................................................8-21
4.2 POSITIONING ROLLER REPLACEMENT ..............................................8-24
4.3 ALIGNMENT BRUSH ROLLER REPLACEMENT ...................................8-25
4.4 SENSOR REPLACEMENT......................................................................8-26
4.4.1 STACK HEIGHT 1, 2 AND EXIT GUIDE OPEN SENSOR .............8-26
4.4.2 UPPER TRAY PAPER LIMIT AND EXIT SENSOR ........................8-27
4.4.3 SHIFT TRAY EXIT SENSOR..........................................................8-28
A294/A295
CÓPIA NÃO CONTROLADA
viii
CÓPIA NÃO CONTROLADA
Rev. 9/2001
SM