Ricoh Aficio 2035e - Auto Reverse Document Feeder B541

SM i B541
AUTO REVERSE DOCUMENT FEEDER
B541
TABLE OF CONTENTS
REPLACEMENT AND ADJUSTMENT ................................................1
1.1 COVERS ......................................................................................................1
1.2 ORIGINAL FEED UNIT ................................................................................2
1.3 ORIGINAL PICK-UP ROLLER......................................................................2
1.4 ORIGINAL FEED BELT................................................................................3
1.5 SKEW CORRECTION/INTERVAL/ REGISTRATION/ORIGINAL WIDTH
SENSORS........................................................................................................... 4
1.6 ORIGINAL LENGTH SENSORS ..................................................................5
1.7 SEPARATION ROLLER ............................................................................... 5
1.8 INVERTER /ORIGINAL SET SENSORS......................................................6
1.9 PICK-UP MOTOR/ORIGINAL STOPPER HP SENSOR/PICK-UP HP
SENSOR ...................................................................................................... 6
1.10 SCANNER MOTOR AND INVERTER MOTOR..........................................7
1.11 FEED MOTOR, SKEW CORRECTION ROLLER CLUTCH ...................... 8
1.12 EXIT SENSOR ........................................................................................... 9
1.13 STAMP SOLENOID....................................................................................9
1.14 CONTROLLER BOARD .............................................................................9
2 TROUBLESHOOTING ...................................................................10
2.1 TIMING CHARTS .......................................................................................10
2.1.1 A4(S)/LT(S) SINGLE-SIDE ORIGINAL MODE .................................. 10
2.1.2 A4(S)/LT(S) DOUBLE-SIDED ORIGINAL MODE .............................. 11
2.2 JAM DETECTION.......................................................................................12
3 SERVICE TABLES.........................................................................13
3.1 DIP SWITCHES..........................................................................................13
3.2 TEST POINTS ............................................................................................13
3.3 FUSES ....................................................................................................... 13
4 DETAILED DESCRIPTION ............................................................14
4.1 MAIN COMPONENTS................................................................................14
DRIVE LAYOUT ....................................................................................15
4.3 ORIGINAL SIZE DETECTION.................................................................... 16
4.3.1 BASIC MECHANISM .........................................................................16
4.3.2 MIXED ORIGINAL SIZE MODE......................................................... 18
4.4 ORIGINAL FEED-IN MECHANISM ............................................................19
4.4.1 PICK AND SEPARATION..................................................................19
4.4.2 ORIGINAL SKEW CORRECTION ..................................................... 20
4.4.3 REDUCING THE INTERVAL BETWEEN PAGES ............................. 20
4.5 ORIGINAL TRANSPORT AND EXIT.......................................................... 21