Ricoh 4051 Service Manual

SM i B468/B469/B674
3000-SHEET FINISHER
B468/B469/B674
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT ........................................... 1
1.1 EXTERNAL COVERS...................................................................................1
1.2 POSITIONING ROLLER............................................................................... 2
1.3 INNER COVER.............................................................................................2
1.4 BRUSH ROLLER..........................................................................................3
1.5 LOWER TRAY PAPER HEIGHT SENSORS 1, 2.........................................4
1.6 PROOF TRAY EXIT AND FULL SENSORS.................................................5
1.7 EXIT SENSOR .............................................................................................6
1.8 FINISHER, STAPLER ENTRANCE SENSORS ...........................................7
1.9 SADDLE-STITCH STAPLER REPLACEMENT ............................................ 8
1.10 Z-FOLD JOGGER UNIT (B674 ONLY).....................................................10
1.11 JOGGER TOP FENCE MOTOR (B674 ONLY) ........................................11
1.12 JOGGER BOTTOM FENCE MOTOR(B674 ONLY) .................................12
1.13 PUNCH POSITION ADJUSTMENT..........................................................13
1.14 JAM DETECTION..................................................................................... 14
1.15 DIP SW 100 (MAIN BOARD).................................................................... 15
1.16 JOGGER FENCE ADJUSTMENT ............................................................15
2. DETAILS........................................................................................ 24
2.1 OVERVIEW ................................................................................................24
2.2 DRIVE LAYOUT ......................................................................................... 25
2.3 TRAY/STAPLER JUNCTION GATES.........................................................28
2.4 PRE-STACKING.........................................................................................29
2.5 VERTICAL LIFT MECHANISM...................................................................30
2.5.1 OVERVIEW .......................................................................................30
2.5.2 UPPER TRAY....................................................................................31
Just After the Power is Switched on....................................................... 31
Height Adjustment During Feed-Out ......................................................31
Upper Tray Full ...................................................................................... 31
2.5.3 LOWER TRAY...................................................................................32
Just After the Power is Switched on....................................................... 32
Positioning the Lower Tray for Feed-out ................................................32
Lower Tray Height Adjustment During Feed-out.................................... 32
Lower Tray Full ...................................................................................... 33
2.6 SHIFT MECHANISM ..................................................................................34
2.7 PAPER POSITIONING ...............................................................................35
2.8 STAPLER ...................................................................................................36
2.8.1 STAPLING MECHANISM ..................................................................36
2.8.2 STAPLER MOVEMENT.....................................................................37
Horizontal Stapler Movement................................................................. 37

Ricoh 4051 Specifications

General

Brand	Ricoh
Model	4051
Category	All in One Printer
Language	English