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MR-4020
Service manual
Toshiba MR-4020 Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Specifications
Overview
Main Components
Sectional View
Electric Parts Layout
Symbols and Functions of Various Components
Motor
Clutch
Sensor and Switch
PC Board
Others
Signal Block Diagram
Interface Signals
Operation Description
Overview
Original Transport Path
Drive Section
Motor
DSDF Original Feed Motor
DSDF Separation Motor
DSDF Registration Motor
DSDF Read Motor
DSDF Original Exit Motor
Original Size Detection
DSDF Tray Original Width Sensor, DSDF Tray Original Length Sensor-1 and -2
DSDF Original Width Detection Sensor-1 and -2, DSDF Registration Sensor
Multiple Feeding Detection (MR-4020 Only)
Disassembly and Reassembly
PM Parts
DSDF Pickup Unit
DSDF Separation Roller
DSDF Pickup Roller
DSDF Original Feed Roller
Cover
DSDF Rear Cover
DSDF Front Cover
Original Jam Access Cover
DSDF Left Cover
PC Board
DSDF-LED PC Board (LEDD)
DSDF Control PC Board (DLGD)
DSDF Relay PC Board (DFRLY)
DSDF Multiple Feeding Detection Relay PC Board (DLGRLY)
Original Tray Section
Original Tray
DSDF Tray Original Length Sensor-1 (SD1), DSDF Tray Original Length Sensor-2 (SD2)
DSDF Tray Original Width Sensor (SD3)
DSDF Original Empty Sensor (SD4)
Original Feeding Section
DSDF Original Feed Sensor (SD5), DSDF Tray Lift Upper Limit Sensor (SD9)
DSDF Original Width Detection Sensor-1 (SD7), DSDF Original Width Detection Sensor-2 (SD8)
DSDF Registration Sensor (SD6)
Driving Section
DSDF Cooling Fan Motor (FD1)
DSDF Upper Cover Interlock Switch (SWD2)
DSDF Upper Cover Opening/Closing Detection Sensor (SD16)
DSDF Registration Motor (MD3)
DSDF Read Motor (MD4)
DSDF Original Exit Motor (MD5)
DSDF Lower Cover Interlock Switch (SWD1)
DSDF Original Feed Motor (MD1)
DSDF Separation Motor (MD2)
Original Transport Section
Intermediate Transport Unit
DSDF Read-In Sensor-1 (SD11), DSDF Read-In Sensor-2 (SD12)
DSDF Original Exit Sensor (SD13), DSDF Tray Lift Lower Limit Sensor (SD10)
Lower Transport Unit
DSDF Shading Sheet HP Sensor (SD14)
DSDF Lower Cover Opening/Closing Detection Sensor (SD15)
Multiple Feeding Detection Sensor (Reception Side) (SD18)
Multiple Feeding Detection Sensor (Transmission Side) (SD17)
Original Scanning Section
DSDF-CCD Module (CCDD)
Film Attachment Reference
Registration Films (F), (R)
Films with a Spacer
Adjustment
Position Adjustment
Checking
Height Adjustment
Checking
Adjustment
Skew Adjustment
Checking
Adjustment
Leading Edge Position Adjustment
Checking
Adjustment
Horizontal Position Adjustment
Front Side
Back Side
Copy Ratio Adjustment
Checking
Adjustment
DSDF Read-In Sensor-1 Adjustment
DSDF Read-In Sensor-1 Automatic Adjustment
DSDF Read-In Sensor-1 Manual Adjustment
Platen Sheet
DSDF Separation Roller Pressure Force Adjustment
Troubleshooting
Other Errors
Maintenance
Maintenance and Inspection Points
Maintenance Part List
How to Attach the Stopper Jig
Firmware Updating
Harness Diagram
Revision Record
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SERVICE MANUAL
DUAL SCAN DOCUMENT FEEDER
MR-4010/4020
Model: MR-4010/4020
Publish Date: December, 2021
File No. SME21001700
R210221X2100-TTEC
Ver00 F1 2022-03
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