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Booklet Finisher SR3000
Machine Code: B793
SERVICE MANUAL
Apr. 21st, 2006
Subject to change
B793 Service Manual
21-Apr-2006
Read This First
Safety and Symbols
Replacement Procedure Safety
Turn off the main power switch and unplug the machine before beginning any of
the replacement procedures in this manual.
When taking apart the bridge unit, first take the unit out of the copier.
Symbols Used in this Manual
This manual uses the following symbols.
: See or Refer to
: Screws
: Connector
: Clip ring
: E-ring
i
B793 Service Manual
21-Apr-2006
Table of Contents
Read This First ...................................................................................................................... i
Safety and Symbols ........................................................................................................... i
Replacement Procedure Safety...................................................................................... i
Symbols Used in this Manual ......................................................................................... i
Table of Contents.................................................................................................................. ii
1. Replacement and Adjustment......................................................................................... 1
Covers............................................................................................................................... 1
Front/Inner/Rear Covers ................................................................................................ 1
Upper Covers ................................................................................................................ 2
Main Body ......................................................................................................................... 4
Positioning Roller........................................................................................................... 4
Shift Tray Position Sensor, Upper Limit Switch.............................................................. 4
Proof Tray Exit / Full Sensor .......................................................................................... 6
Finisher Entrance Sensor .............................................................................................. 7
Shift Tray Exit Sensor .................................................................................................... 7
Staple Tray Paper Sensor.............................................................................................. 8
Shift Tray Motor ............................................................................................................. 9
Entrance Motor ............................................................................................................ 10
Upper Transport Motor................................................................................................. 10
Lower Transport Motor................................................................................................. 11
Shift Motor ................................................................................................................... 12
Folder .............................................................................................................................. 13
Staple Folder Unit ........................................................................................................ 13
Folder Unit ................................................................................................................... 14
Folder Unit Exit Sensor................................................................................................ 15
Folder Unit Entrance Sensor ....................................................................................... 16
Stapler Unit .................................................................................................................. 16
Others ............................................................................................................................. 27
Main Board .................................................................................................................. 27
DIP Switches................................................................................................................... 28
2. Detailed Section Descriptions ....................................................................................... 29
Component Layout.......................................................................................................... 29
Mechanical Component Layout ................................................................................... 29
Drive Layout ................................................................................................................ 30
ii
B793 Service Manual
21-Apr-2006
Electrical Component Layout....................................................................................... 31
Electrical Component Descriptions .............................................................................. 35
Junction Gates ................................................................................................................ 40
Proof Tray........................................................................................................................ 41
Shift Tray ......................................................................................................................... 42
Up/Down Motion .......................................................................................................... 42
Side-to-side Motion...................................................................................................... 43
Booklet Tray .................................................................................................................... 44
Jogger Unit...................................................................................................................... 47
Exit Guide Plate, Paper Feed Out ................................................................................... 48
Stapler Unit Movement .................................................................................................... 49
Stacking for Booklet Stapling........................................................................................... 50
Overview...................................................................................................................... 50
B4 or Shorter Than B4................................................................................................. 50
Longer Than B4 ........................................................................................................... 51
Moving the Stack to the Folding Position ........................................................................ 53
Folder .............................................................................................................................. 54
Overview...................................................................................................................... 54
Fold Plate .................................................................................................................... 54
Fold Rollers ................................................................................................................. 55
Punch Unit....................................................................................................................... 56
Overview of Operation ................................................................................................. 56
Paper Position Detection ............................................................................................. 58
Punch Unit Movement ................................................................................................. 59
Punch Selection and Firing.......................................................................................... 59
Punch Hopper Mechanism .......................................................................................... 61
iii
Replacement and Adjustment
21-Apr-2006
1. Replacement and Adjustment
Covers
Front/Inner/Rear Covers
1.
Remove the front cover [A] (
x 1).
2.
Remove the inner cover [B] (
x 2).
1
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