28
Chapter 2 Description of the Operation
z Scanner Section...........................................................30
1. Description...............................................................30
2. Sequence of Operation...........................................31
(1) Sequence of the Scanner Operation ..................31
(2) Sequence of the Scanner Operation (ADF).......31
(3) Operation with the Document
Cover Open / Closed ..........................................32
1. Reading the Document Size...........................32
2. Reading the Document Darkness..................32
2
Platemaking Area for the Selected Paper.....33
2
Platemaking Area for the Book Shadow
Erasing Mode..................................................33
3. Function of Parts and Circuit.............................34
(1) Home Position Sensors ......................................34
(2) Document Sensor ..............................................35
(3) Document Cover Sensor.....................................37
(4) CCD / Lamps ......................................................38
(5) Scanner Unit Open / Close Detection................39
x Platemaking / Master Feed / Ejection Section...........40
Platemaking /
Master Feed Section
........................40
1. Description...............................................................40
2. Sequence of Operation...........................................41
(1) Operation when the master set ........................41
(2) Platemaking / Master Feeding ..........................42
3. Function of Parts ....................................................43
(1) Thermal Head.....................................................43
(2) End Mark Sensor ...............................................46
1. Master Setting Error Detection......................47
2. Master End Detection......................................47
(3) Master top sensor...............................................48
(4)
Master Detect Sensor ........................................49
(5) Cutter Unit.........................................................50
(6)
Master Feed Clutch (Electromagnetic clutch)..51
Master Ejection Section ...........................................52
1. Description...............................................................52
2. Circuit.......................................................................52
3. Function of Parts ....................................................53
(1) Master Ejection Sensor......................................53
1. Master Ejection Error Detection.....................53
2.
Rotation Control of the Eject(Roll-up) Motor
.........53
Master Clamp Opening/Closing Section ...............54
1. Description...............................................................54
2.
Operation of Master Clamp Open / Close Lever
........55
(1) Structure.............................................................55
(2) Master Attach / Detach Operation....................56
(3) Clamp Opening / Closing
Lever Position (A / B / C Mode) .........................57
3. Function of Parts ....................................................58
(1) A / B / C Mode Detect Sensor.............................58
4. Returning Operation Flowchart
When the Power is Cut Off Accidentally...............59
Master Clamp Opening/Closing Section ...............60
1. Description...............................................................60
2.
Operation of Master Clamp Open / Close Lever
........61
(1) Structure.............................................................61
(2) Master Attach / Detach Operation....................62
(3) Clamp Opening / Closing
Lever Position (B / C Mode)...............................63
3. Function of Parts ....................................................64
(1) B / C Mode Detect Sensor ..................................64
4. Returning Operation Flowchart
When the Power is Cut Off Accidentally...............65
Product No.: initial lot - 020455313
Product No.: 020455314 -