Ricoh A250/B001 Service-Handbuch - Seite 8

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Rev. 05/2000

1.5 TIMING CHARTS.................................................................................... 8-11

1.5.1 A4 SIDEWAYS............................................................................... 8-11

1.5.2 A4 SIDEWAYS, STAMP MODE..................................................... 8-12

1.6 JAM DETECTION ................................................................................... 8-13

1.7 OVERALL ELECTRICAL CIRCUIT......................................................... 8-14

3. REPLACEMENT AND ADJUSTMENT...................................... 8-15

3.1 FEED UNIT REMOVAL .......................................................................... 8-15

3.2 SEPARATION ROLLER REPLACEMENT.............................................. 8-15

3.3 PICK-UP ROLLER REPLACEMENT ...................................................... 8-16

3.4 FEED BELT REPLACEMENT ................................................................ 8-16

3.5 ORIGINAL SET SENSOR REPLACEMENT........................................... 8-17

3.6

3.7 ORIGINAL EXIT TRAY/FRONT COVER/REAR COVER

3.8 FEED COVER OPEN SENSOR/DF OPEN SENSOR

3.9 FEED CLUTCH/PICK-UP SOL/TRANSPORT MOTOR

3.10 DF FEED COVER REMOVAL .............................................................. 8-21

3.11 REGISTRATION SENSOR REPLACEMENT ....................................... 8-21

3.12 STAMP SOLENOID REPLACEMENT .................................................. 8-22

PAPER TRAY UNIT (A860)

1. OVERALL MACHINE INFORMATION ........................................ 9-1

1.1 SPECIFICATIONS .................................................................................... 9-1

1.2 MECHANICAL COMPONENT LAYOUT................................................... 9-2

1.3 ELECTRICAL COMPONENT LAYOUT .................................................... 9-3

1.4 ELECTRICAL COMPONENT DESCRIPTION .......................................... 9-4

1.5 DRIVE LAYOUT........................................................................................ 9-5

2. DETAILED DESCRIPTIONS ....................................................... 9-6

2.1 PAPER FEED AND SEPARATION MECHANISM.................................... 9-6

2.2 PAPER LIFT MECHANISM ...................................................................... 9-7

2.3 PAPER END DETECTION ....................................................................... 9-9

2.4 PAPER HEIGHT DETECTION ............................................................... 9-10

1.5 PAPER SIZE DETECTION ..................................................................... 9-12

1.6 SIDE AND END FENCES....................................................................... 9-13

3. REPLACEMENT AND ADJUSTMENT...................................... 9-14

3.1 FEED ROLLER REPLACEMENT ........................................................... 9-14

3.2 TRAY MAIN BOARD REPLACEMENT................................................... 9-15

3.3 TRAY MOTOR REPLACEMENT ............................................................ 9-15

3.4 RELAY CLUTCH REPLACEMENT......................................................... 9-16

3.5 UPPER PAPER FEED CLUTCH REPLACEMENT................................. 9-17

3.6 LOWER PAPER FEED CLUTCH REPLACEMENT................................ 9-18

3.7 LIFT MOTOR REPLACEMENT .............................................................. 9-19

A250

fine

ORIGINAL WIDTH/LENGTH/TRAILING EDGE SENSOR REPLACEMENT

REMOVAL .............................................................................................. 8-19

REPLACEMENT ..................................................................................... 8-19

REPLACEMENT ..................................................................................... 8-20

... 8-18