Ricoh A231 Servis Kılavuzu - Sayfa 9

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PAPER TRAY UNIT A682

1. OVERALL MACHINE 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 DESCRIPTIONS ....................................................... 8-6

2.1 PICK-UP AND SEPARATION ROLLER RELEASE MECHANISM ........... 8-6

2.2 PAPER LIFT MECHANISM ...................................................................... 8-7

2.3 PAPER END DETECTION ....................................................................... 8-9

2.4 PAPER HEIGHT DETECTION ............................................................... 8-10

3. SERVICE TABLES .................................................................... 8-11

3.1 DIP SWITCHES...................................................................................... 8-11

3.2 TEST POINTS ........................................................................................ 8-11

3.3 SWITCHES............................................................................................. 8-11

3.4 FUSES.................................................................................................... 8-11

4. REPLACEMENT AND ADJUSTMENT...................................... 8-12

4.1 COVER REPLACEMENT ....................................................................... 8-12

Right Cover ........................................................................................ 8-12

Rear Cover......................................................................................... 8-12

4.2 ROLLER REPLACEMENT...................................................................... 8-13

4.2.1 PAPER FEED, SEPARATION, AND PICK-UP ROLLERS ............ 8-13

Pick-up Roller..................................................................................... 8-13

Paper Feed Roller .............................................................................. 8-13

Separation Roller ............................................................................... 8-13

4.3 TRAY MOTOR REPLACEMENT ............................................................ 8-14

4.4 PAPER FEED AND RELAY CLUTCH REPLACEMENT......................... 8-15

4.5 PAPER FEED UNIT REPLACEMENT .................................................... 8-16

Upper Paper Feed Unit ...................................................................... 8-17

Lower Paper Feed Unit ...................................................................... 8-17

4.6 PAPER END, TRAY LIFT, AND RELAY SENSOR

REPLACEMENT ..................................................................................... 8-18

Paper End Sensor.............................................................................. 8-18

Tray Lift Sensor.................................................................................. 8-18

Relay Sensor...................................................................................... 8-18

LCT (A683)

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

A230/A231/A232

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