Table Of Contents - Canon imageFORMULA DR-G2140 Service Manual

CHAPTER 1
GENERAL DESCRIPTION
I. PRODUCT SPECIFICATIONS ..................... 1-1
1. Features ................................................... 1-1
2. Specifications ........................................... 1-2
3. Precautions .............................................. 1-6
II. NAME OF PARTS ........................................ 1-7
1. Front Side ................................................ 1-7
2. Rear Side ................................................. 1-8
3. Operation Panel ....................................... 1-8
III. USER OPERATION .................................... 1-9
1. Preparation of Trays................................. 1-9
2. Job Function .......................................... 1-10
3. CaptureOnTouch .................................... 1-11
4. Paper Jam, Skew and Staple Detection
Handling ................................................ 1-13
5. User Mode ............................................. 1-15
CHAPTER 2
FUNCTIONS & OPERATION
I. OUTLINE ...................................................... 2-1
1. Basic Configuration .................................. 2-1
2. Feed Path ................................................ 2-2
3. Motor Drive .............................................. 2-3
4. List of Sensors ......................................... 2-4
5. Electrical Circuits ..................................... 2-6
6. Timing Chart ............................................ 2-7
II. READING SYSTEM ................................... 2-10
1. Outline .................................................... 2-10
2. Image Reading ....................................... 2-11
3. Shading .................................................. 2-12
III. FEED SYSTEM ......................................... 2-13
1. Outline .................................................... 2-13
2. Pickup Tray Elevation ............................ 2-14
3. Separation Mechanism .......................... 2-15
4. Feed Error Detection.............................. 2-16
5. Staple Detection ..................................... 2-17
IV. CONTROL SYSTEM ................................. 2-18
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CONTENTS
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1. Control PCB ........................................... 2-18
2. Drive System Block Diagram ................. 2-19
3. Image Processing Control...................... 2-20
4. New Binarizing ....................................... 2-21
5. Network Scanning .................................. 2-22
V. POWER SUPPLY ...................................... 2-23
1. Power Supply ......................................... 2-23
VI. OPTION .................................................... 2-24
1. Imprinter ................................................. 2-24
2. Flatbed Scanner Unit ............................. 2-25
VII. ELECTRICAL PARTS LAYOUT ............... 2-26
1. Motor, Fan, Solenoid .............................. 2-26
2. PCB, Sensor, Unit .................................. 2-28
VIII. PARTS LAYOUT ON EACH PCB ........... 2-30
1. Control PCB ........................................... 2-30
2. Main Drive PCB ..................................... 2-31
3. Sub-Drive PCB ....................................... 2-32
4. Power PCB............................................. 2-33
5. Eject PCB ............................................... 2-34
CHAPTER 3
DISASSEMBLY &
REASSEMBLY
I. REPLACED BY USERS ............................... 3-1
1. Pickup Roller ............................................ 3-1
2. Feed Roller............................................... 3-1
3. Retard Roller ............................................ 3-2
II. EXTERNAL COVERS .................................. 3-3
1. Control PCB Cover .................................. 3-3
2. Right Cover Assembly .............................. 3-3
3. Operation Panel ....................................... 3-4
4. Left Cover Assembly ................................ 3-5
5. Top Cover ................................................. 3-6
6. Pickup Tray Unit ....................................... 3-7
7. Eject Tray Unit .......................................... 3-7
8. Upper Front Cover ................................... 3-8
9. Rear Cover ............................................... 3-9
CANON DR-G2140/G2110/G2090 FIRST EDITION