Table Of Contents - Develop QC 2235 Plus Service Manual

QC 2235plus Theory of Operation Ver1.0 Mar. 2004
I Outline
1. System configuration............................................................................................ 1-1
2. Product specifications .......................................................................................... 1-3
2.1 Type ................................................................................................................... 1-3
2.2 Functions ........................................................................................................... 1-3
2.3 Types of paper ................................................................................................... 1-4
2.4 Maintenance ...................................................................................................... 1-4
2.5 Machine specifications....................................................................................... 1-4
2.6 Operating environment ...................................................................................... 1-4
2.7 Built-in controllers .............................................................................................. 1-5
3. Center cross section ............................................................................................ 1-6
4. Paper path............................................................................................................ 1-7
5. Image creation process........................................................................................ 1-8
II Composition/Operation
1. Overall composition.............................................................................................. 2-1
1.1 Timing chart at machine power up .................................................................... 2-1
1.2 Control block diagram ........................................................................................ 2-2
2. Scanner section (IR section) ................................................................................ 2-3
2.1 Composition....................................................................................................... 2-3
2.2 Drive .................................................................................................................. 2-5
2.3 Operation ........................................................................................................... 2-5
2.3.1 Scan and Exposure Lamp control ................................................................ 2-5
2.3.2 Original Size Detection control ..................................................................... 2-6
3. Write section (PH section).................................................................................... 2-9
3.1 Composition....................................................................................................... 2-9
3.2 Operation ......................................................................................................... 2-10
3.2.1 Outline ........................................................................................................ 2-10
3.2.2 Color Shift Correction System .................................................................... 2-11
4. Imaging Unit section (IU section) ....................................................................... 2-12
4.1 Composition..................................................................................................... 2-12
4.2 Drive ................................................................................................................ 2-13
4.3 Operation ......................................................................................................... 2-14
4.3.1 IU Life control.............................................................................................. 2-14
5. Photo Conductor section.................................................................................... 2-15
5.1 Composition..................................................................................................... 2-15
5.2 Drive ................................................................................................................ 2-15
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