Ricoh A250/B001 Посібник з експлуатації - Сторінка 7

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6.6.9 BY-PASS FEED PAPER WIDTH SENSOR REMOVAL................. 6-31

6.6.10 REGISTRATION ROLLER REMOVAL ........................................ 6-32

6.6.11 REGISTRATION SENSOR REPLACEMENT .............................. 6-33

6.6.12 TONER END SENSOR REPLACEMENT .................................... 6-34

6.7 OTHERS................................................................................................. 6-35

6.7.1 MAIN MOTOR/GEAR BOX REPLACEMENT ................................ 6-35

6.7.2 IOB (INPUT OUTPUT BOARD) REPLACEMENT ......................... 6-36

6.7.3 BICU (BASE-ENGINE IMAGE CONTROL UNIT)

6.7.4 POWER SUPPLY UNIT AND B/C/T POWER PACK

6.8 STANDARD WHITE DENSITY ADJUSTMENT ...................................... 6-39

6.9 COPY ADJUSTMENT PRINTING/SCANNING....................................... 6-40

6.9.1 PRINTING...................................................................................... 6-40

6.9.2 SCANNING .................................................................................... 6-42

6.9.3 ADF IMAGE ADJUSTMENT .......................................................... 6-44

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 BLOWN FUSE TABLE............................................................................ 7-10

7.3 ELECTRICAL COMPONENT DEFECTS................................................ 7-10

7.3.1 SWITCHES .................................................................................... 7-10

7.3.2 SENSORS ..................................................................................... 7-11

7.4 COPY QUALITY ..................................................................................... 7-12

7.4.1 LOW IMAGE DENSITY.................................................................. 7-12

7.5 FIRMWARE HISTORY ........................................................................... 7-14

7.5.1 A250 FIRMWARE MODIFICATION HISTORY .............................. 7-14

DOCUMENT FEEDER A859

1. OVERALL INFORMATION.......................................................... 8-1

1.1 SPECIFICATIONS .................................................................................... 8-1

1.2 MECHANICAL COMPONENT LAYOUT................................................... 8-2

1.3 ELECTRICAL COMPONENT LAYOUT .................................................... 8-3

1.4 ELECTRICAL COMPONENT DESCRIPTION .......................................... 8-4

1.5 DRIVE LAYOUT........................................................................................ 8-5

2. DETAILED SECTION DESCRIPTIONS....................................... 8-6

2.1 ORIGINAL SIZE DETECTION .................................................................. 8-6

1.2 PICK-UP AND SEPARATION................................................................... 8-8

1.3 ORIGINAL TRANSPORT AND EXIT MECHANISM ................................. 8-9

1.4 STAMP ................................................................................................... 8-10

fine

REPLACEMENT ............................................................................ 6-37

REPLACEMENT ............................................................................ 6-38

Rev. 05/2000

A250