Ricoh A250 - Page 8

A250 vi SM
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
ORIGINAL WIDTH/LENGTH/TRAILING EDGE SENSOR REPLACEMENT
... 8-18
3.7 ORIGINAL EXIT TRAY/FRONT COVER/REAR COVER
REMOVAL .............................................................................................. 8-19
3.8 FEED COVER OPEN SENSOR/DF OPEN SENSOR
REPLACEMENT..................................................................................... 8-19
3.9 FEED CLUTCH/PICK-UP SOL/TRANSPORT MOTOR
REPLACEMENT..................................................................................... 8-20
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
Rev. 05/2000