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© 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022
CONTENTS
1
CONTENTS
1. SPECIFICATIONS.........................................................................................................1-1
2. GENERAL DESCRIPTION............................................................................................2-1
2.1 Main Components................................................................................................................2-1
2.2 Sectional View .....................................................................................................................2-2
2.3 Electric Parts Layout............................................................................................................2-3
2.4 Symbols and Functions of Various Components.................................................................2-4
2.5 Diagram of Signal Blocks.....................................................................................................2-5
2.6 Description of Interface Signals...........................................................................................2-6
3. DESCRIPTION OF OPERATIONS ...............................................................................3-1
3.1 DRIVE SYSTEM..................................................................................................................3-1
3.1.1 Outline ......................................................................................................................3-1
3.1.2 Original feed motor drive section..............................................................................3-2
3.1.3 Read motor drive section .........................................................................................3-3
3.1.4 Original exit/reverse motor drive section..................................................................3-4
3.2 Original Size Detection........................................................................................................3-5
3.2.1 Outline ......................................................................................................................3-5
3.2.2 Original tray width sensor.........................................................................................3-5
3.2.3 Original width detection sensors-1 and -2 / Original length detection sensor...........3-6
3.3 FLOW CHART.....................................................................................................................3-8
3.4 DESCRIPTION OF CIRCUIT.............................................................................................3-16
3.4.1 Drive Circuit for Feed Motor ...................................................................................3-16
3.4.2 Drive Circuit for Read Motor...................................................................................3-17
3.4.3 Drive Circuit for Exit Motor ....................................................................................3-18
3.4.4 Drive Circuit for FAN Motor ...................................................................................3-18
3.4.5 Reset Circuit ..........................................................................................................3-19
3.4.6 Drive Circuit for Pickup Solenoid ...........................................................................3-19
3.4.7 Drive Circuit for Gate Solenoid ..............................................................................3-20
4. DISASSEMBLY AND ASSEMBLY...............................................................................4-1
4.1 Cover ...................................................................................................................................4-1
4.2 Roller ...................................................................................................................................4-6
4.3 Motor / Motor drive section ...............................................................................................4-18
4.4 Solenoid.............................................................................................................................4-24
4.5 Sensor/switch ....................................................................................................................4-26
4.6 PC Board...........................................................................................................................4-34
4.7 Others................................................................................................................................4-35
5. ADJUSTMENT ..............................................................................................................5-1
5.1 Adjustment of Position.........................................................................................................5-1
5.2 Adjustment of Height ...........................................................................................................5-7
5.3 Adjustment of Skew.............................................................................................................5-9
5.4 Adjustment of the Leading Edge Position..........................................................................5-12
5.5 Adjustment of Horizontal Position......................................................................................5-14
5.6 Adjustment of Copy Ratio..................................................................................................5-16
5.7 Adjustment of RADF Opening/Closing Sensor..................................................................5-17
6. TROUBLESHOOTING ..................................................................................................6-1
6.1 Troubleshooting for Mechanical Errors................................................................................6-1
6.2 Troubleshooting for Electrical Errors ...................................................................................6-2
6.3 Jam......................................................................................................................................6-4
7. MAINTENANCE AND REWRITING ROM ....................................................................7-1
7.1 Periodic Maintenance ..........................................................................................................7-1
09/05