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MR-3018, MR-3022 service manual
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Contents
Main
Trademarks
General Precautions for Installation/Servicing/Maintenance for the MR-3018/3020/3021/3022
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CONTENTS
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1. SPECIFICATIONS
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2. GENERAL DESCRIPTION
2.1 Main Components
Drive/Control section Feeding/Transporting section
Original tray section Original exit tray section
2.2 Sectional View
2.3 Electric Parts Layout
2.4 Symbols and Functions of Various Components
1) Motors
4) PC board
2) Sensors and Switches
3) Solenoid
2.5 Diagram of Signal Blocks
2.6 Description of Interface Signals
RADF Equipment
3. DESCRIPTION OF OPERATIONS
3.1 DRIVE SYSTEM
3.1.1 Outline
3.1.2 Original feed motor drive section
Pickup roller
3.1.3 Read motor drive section
3.1.4 Original exit/reverse motor drive section
3.2 Original Size Detection
3.2.1 Outline
3.2.2 Original tray width sensor
3.2.3 Original width detection sensors-1 and -2 / Original length detection sensor
A4 series (width sizes mixed at B5-R standard)
A4 series (width sizes mixed at A3 / A4 standard)
A4 series (width sizes mixed at B4 / B5 standard)
A4 series (width sizes mixed at A4-R standard)
LT series (ORG-SRS: 0)
LT series (width sizes mixed at LD / LT standard)
LT series (width sizes mixed at LG / LT-R standard)
3.3 FLOW CHART
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3.4 DESCRIPTION OF CIRCUIT
3.4.1 Drive Circuit for Feed Motor
3.4.2 Drive Circuit for Read Motor
3.4.3 Drive Circuit for Exit Motor
3.4.4 Drive Circuit for FAN Motor
3.4.5 Reset Circuit
3.4.6 Drive Circuit for Pickup Solenoid
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4. DISASSEMBLY AND ASSEMBLY
4.1 Cover
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4.2 Roller
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4.3 Motor / Motor drive section
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4.4 Solenoid
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4.5 Sensor/switch
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4.6 PC Board
4.7 Others
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5. ADJUSTMENT
5.1 Adjustment of Position
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5.2 Adjustment of Height
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5.3 Adjustment of Skew
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5.4 Adjustment of the Leading Edge Position
E
F
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5.5 Adjustment of Horizontal Position
G
H
5.6 Adjustment of Copy Ratio
I
Page
5.7 Adjustment of RADF Opening/Closing Sensor
A
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6. TROUBLESHOOTING
6.1 Troubleshooting for Mechanical Errors
6.2 Troubleshooting for Electrical Errors
6.3 Jam
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7. MAINTENANCE AND REWRITING ROM
7.1 Periodic Maintenance
Symbols used in the checklist
7.2 Rewriting ROM (Firmware Updating)
8. CIRCUIT DIAGRAM / HARNESS DIAGRAM
8.1 Assembly of PC Board
8 - 2
8.2 Circuit Diagram
09/05
MR-3018/3020
MR-3021/3022
PWA-F-DLG-L-502 (MR-3021)
8 - 3
Original tray sensor
11/04
Original tray
width sensor