Ricoh G179 Service Manual page 643

1200-SHEET LCIT RT3000(D353)
1. REPLACEMENT AND ADJUSTMENT ............................................1
1.1 COVERS....................................................................................................... 1
1.1.1 REAR COVER ..................................................................................... 1
1.1.2 RIGHT DOOR ...................................................................................... 1
1.1.3 FRONT AND TOP COVERS................................................................ 2
1.2 PAPER FEED ............................................................................................... 3
1.2.1 PICK-UP, PAPER FEED AND SEPARATION ROLLERS.................... 3
1.3 DRIVE ........................................................................................................... 4
1.3.1 PAPER FEED CLUTCH....................................................................... 4
1.3.2 PAPER FEED MOTOR ........................................................................ 4
1.3.3 TRAY LIFT MOTOR............................................................................. 5
1.4 ELECTRICAL COMPONENTS ..................................................................... 6
1.4.1 MAIN BOARD ...................................................................................... 6
1.4.2 LCT SET SWITCHES .......................................................................... 6
1.4.3 DOWN SWITCH .................................................................................. 7
1.4.4 PAPER FEED, PAPER END, TRAY LIFT AND RELAY SENSORS .... 7
1.4.5 STACK SENSOR................................................................................. 9
1.5 SIDE FENCE POSITION CHANGE ............................................................ 10
2. DETAILS ........................................................................................11
2.1 COMPONENT LAYOUT ............................................................................. 11
2.1.1 COMPONENT LAYOUT .................................................................... 11
2.1.2 ELECTRICAL COMPONENT LAYOUT ............................................. 12
2.1.3 ELECTRICAL COMPONENT DESCRIPTIONS................................. 12
2.1.4 DRIVE LAYOUT................................................................................. 15
2.2 PAPER FEED ............................................................................................. 16
2.2.1 PAPER FEED MECHANISM ............................................................. 16
2.2.2 TRAY LIFT MECHANISM .................................................................. 17
2.2.3 PAPER HEIGHT AND END DETECTION.......................................... 18
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CÓPIA NÃO CONTROLADA
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CÓPIA NÃO CONTROLADA
D353