Epson ColorPage EPL-C8200 Service Manual page 62

Print Process ......................................................................................... 1
Print Process Overview..................................................................... 1
Print Process - Major Components ................................................... 2
Print Process Description.................................................................. 3
(1) Charge .................................................................................. 3
(2) Exposure ............................................................................... 4
(3) Development ......................................................................... 5
(4) First Transfer (Drum
(5) Cleaning (Drum) .................................................................... 9
(6) Repeat (Forming a complete full-color toner image) ........... 10
(7) Second Transfer (Belt
(8) Detach ................................................................................. 13
(9) Cleaning (Belt) .................................................................... 13
(10) Fusing ............................................................................... 14
Print Data Flow .................................................................................... 15
Data Flow ........................................................................................ 15
Driver Power Transmission Path ....................................................... 16
Process Motor Assembly ................................................................ 16
P/H Motor Assembly ....................................................................... 17
Dispense Motor Assembly .............................................................. 18
Rotary Motor Assembly................................................................... 18
Gear Layout .................................................................................... 19
Paper Transportation .......................................................................... 20
Paper Transportation Path (No Option) .......................................... 20
Main Components ............................................................................... 21
Paper Tray ...................................................................................... 22
Paper Feeder .................................................................................. 23
Multi Sheet Inserter (MSI) ............................................................... 24
Paper Transportation ...................................................................... 26
Xerographics I ................................................................................. 28
Xerographics II ................................................................................ 29
Development ................................................................................... 31
IBT-I ................................................................................................ 33
IBT-II ............................................................................................... 34
Table of Contents
Belt) ............................................... 8
Paper) ....................................... 11
Fusing-I ........................................................................................... 35
Fusing-II .......................................................................................... 37
Paper Exit ....................................................................................... 39
Drives.............................................................................................. 40
Electrical ......................................................................................... 42
Operation Modes ................................................................................. 44
Controls................................................................................................ 45
Paper Size Control.......................................................................... 45
Paper Tray Selection Control.......................................................... 46
OHP Side Detection Control ........................................................... 47
ROS Control.................................................................................... 48
Scanner Motor Rotation ........................................................... 48
Light Quantity Control ............................................................... 48
Process Control .............................................................................. 49
Electric Potential Control .......................................................... 49
Toner Density Control (PCDC) ................................................. 50
Toner Density Control (ADC) .................................................... 51
ADC Solenoid Operation .......................................................... 52
Process Sequence .................................................................. 52
Xerographic Control ........................................................................ 53
BCR/Erase Lamp Control ......................................................... 53
Drum Cartridge Replacement ................................................... 54
Drum Cartridge End of Life Detection ....................................... 55
Waste Toner Box Full Detection ............................................... 55
Developer Control ........................................................................... 56
Home Position Detection .......................................................... 56
Toner Cartridge Detection Position .......................................... 57
Toner Cartridge: Old/New Detection ........................................ 57
Development Position .............................................................. 57
Development Control: Detection Methods ................................ 58
IBT Control...................................................................................... 60
First Transfer (Drum Belt) ..................................................... 60
Second Transfer (Belt
Discharging .............................................................................. 64
Belt Cleaning ............................................................................ 64
Paper) ............................................. 61