Ricoh A230 Manuale di servizio - Pagina 10

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

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

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

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

2.2 TRAY LIFT AND PAPER HEIGHT DETECTION MECHANISM ............... 9-7

Tray lifting conditions ........................................................................... 9-7

Tray lowering conditions ...................................................................... 9-7

2.3 TRAY UNIT SLIDE MECHANISM............................................................. 9-8

3. SERVICE TABLES ...................................................................... 9-9

3.1 DIP SWITCHES........................................................................................ 9-9

3.2 TEST POINTS .......................................................................................... 9-9

3.3 SWITCHES............................................................................................... 9-9

3.4 FUSES...................................................................................................... 9-9

4. REPLACEMENT AND ADJUSTMENT...................................... 9-10

4.1 COVER REPLACEMENT ....................................................................... 9-10

Tray Cover ......................................................................................... 9-10

Front Cover ........................................................................................ 9-10

Rear Cover......................................................................................... 9-10

Right Lower Cover ............................................................................. 9-10

Upper Cover....................................................................................... 9-10

4.2 ROLLER REPLACEMENT...................................................................... 9-11

4.2.1 PAPER FEED, SEPARATION, AND PICK-UP ROLLERS ............ 9-11

Pick-up Roller..................................................................................... 9-11

Paper Feed Roller .............................................................................. 9-11

Separation Roller ............................................................................... 9-11

4.3 TRAY LIFT AND PAPER END SENSOR REPLACEMENT.................... 9-12

Tray Lift Sensor.................................................................................. 9-12

Paper End Sensor.............................................................................. 9-12

4.4 RELAY SENSOR REPLACEMENT ........................................................ 9-13

4.5 SIDE FENCE POSITION CHANGE ........................................................ 9-14

BY-PASS A689

1 OVERALL MACHINE INFORMATION ....................................... 10-1

1.1 SPECIFICATIONS .................................................................................. 10-1

1.2 MECHANICAL COMPONENT LAYOUT................................................. 10-2

1.3 ELECTRICAL COMPONENT LAYOUT .................................................. 10-3

1.4 ELECTRICAL COMPONENT DESCRIPTION ........................................ 10-3

2 DETAILED DESCRIPTIONS ...................................................... 10-4

2.1 BASIC OPERATION............................................................................... 10-4

2.2 PAPER SIZE DETECTION ..................................................................... 10-5

3 REPLACEMENT AND ADJUSTMENT....................................... 10-6

A230/A231/A232