Ricoh Aficio 1027 - Page 11

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7.2.2 DETAILED SELF-DIAGNOSTIC MODE.........................................7-13
Executing Detailed Self-Diagnosis......................................................7-13
7.3 PAPER FEED TROUBLESHOOTING.....................................................7-15
7.4 SKEWED IMAGE ....................................................................................7-16
7.5 ELECTRICAL COMPONENT DEFECTS ................................................7-17
7.5.1 SENSORS......................................................................................7-17
7.5.2 SWITCHES.....................................................................................7-19
7.6 BLOWN FUSE CONDITIONS .................................................................7-20
OPTIONS
PAPER TRAY UNIT (A860/B390)
1 OVERALL MACHINE INFORMATION...................................B390-1
1.1 SPECIFICATIONS.............................................................................. B390-1
1.2 MECHANICAL COMPONENT LAYOUT ............................................ B390-2
1.3 ELECTRICAL COMPONENT LAYOUT.............................................. B390-3
1.4 ELECTRICAL COMPONENT DESCRIPTION.................................... B390-4
1.5 DRIVE LAYOUT ................................................................................. B390-5
2 DETAILED DESCRIPTIONS..................................................B390-6
2.1 PAPER FEED AND SEPARATION MECHANISM ............................. B390-6
2.2 PAPER LIFT MECHANISM................................................................ B390-7
2.3 PAPER END DETECTION................................................................. B390-9
2.4 PAPER HEIGHT DETECTION ......................................................... B390-10
2.5 PAPER SIZE DETECTION............................................................... B390-12
2.6 SIDE AND END FENCES ................................................................ B390-13
Side Fences................................................................................. B390-13
End Fence ................................................................................... B390-13
3 REPLACEMENT AND ADJUSTMENT.................................B390-14
3.1 FEED ROLLER REPLACEMENT..................................................... B390-14
3.2 TRAY MAIN BOARD REPLACEMENT ............................................ B390-15
3.3 TRAY MOTOR REPLACEMENT...................................................... B390-15
3.4 RELAY CLUTCH REPLACEMENT .................................................. B390-16
3.5 UPPER PAPER FEED CLUTCH REPLACEMENT .......................... B390-17
3.6 LOWER PAPER FEED CLUTCH REPLACEMENT ......................... B390-18
3.7 LIFT MOTOR REPLACEMENT........................................................ B390-19
3.8 PAPER END SENSOR REPLACEMENT......................................... B390-20
3.9 VERTICAL TRANSPORT SENSOR REPLACEMENT..................... B390-20
3.10 PAPER SIZE SWITCH REPLACEMENT ....................................... B390-21