Apple Color LaserWriter 12/600 PS ation User Manual download pdf (Page 13)

95.08.23.11.28

Color LaserWriter 12/600 PS Basics & Theory 1–2

Chapter Contents

I General Information

Features ......................................................................................................... 1–5

Speciﬁcations.................................................................................................. 1– 6

Safety Information .......................................................................................... 1–10

Laser Safety .............................................................................................. 1–10

Toner Safety .............................................................................................. 1–10

Ozone Safety ............................................................................................ 1–10

Status Panel ................................................................................................... 1–11

Outline ....................................................................................................... 1–11

Conﬁgurations ........................................................................................... 1–12

Density Control Panel .................................................................................... 1–13

Panel Layout ............................................................................................. 1–13

Density Adjustments ................................................................................. 1–14

Test Page Pattern Selection....................................................................... 1–15

Separation Voltage Designation ................................................................ 1–16

Registration Adjustments ........................................................................... 1–17

II Basic Operation

Paper Path Animation .....................................................................................1–19

Functions ........................................................................................................ 1–20

Outline of Electrical System ........................................................................... 1–21

Outline of Major Circuit Boards ...................................................................... 1–22

DC Controller Input/Output Signals ........................................................... 1–23

Mechanical Controller Board Input/Output Signals ................................... 1–26

Outline of Drive System ................................................................................. 1–28

III Laser/Scanner System

Laser System ................................................................................................. 1–32

Scanner System ............................................................................................. 1–38

IV Image Formation System

Outline ............................................................................................................ 1–41

Photoconductor Cartridge .............................................................................. 1–43

Toner Cartridge .............................................................................................. 1–44

Stages of Imaging .......................................................................................... 1–47

Stage 1: Electrostatic Latent Image Formation ........................................ 1–48

Stage 2: Developing ................................................................................. 1–50

Stage 3: Photosensitive Drum Cleaning .................................................. 1–51

Stage 4: Transfer .....................................................................................1–53

Stage 5: Transfer Drum Cleaning and Discharge .................................... 1–57

Stage 6: Fusing ........................................................................................ 1–59

High-Voltage Control ...................................................................................... 1–60

Photosensitive Drum Life Detection ............................................................... 1–68

Toner Carousel Control .................................................................................. 1–71

Toner Cartridge Installation ....................................................................... 1–73

Carousel Rotation ...................................................................................... 1–75

Toner Cartridge Stop.................................................................................. 1–79

Toner Cartridge Press ............................................................................... 1–80

Developing Cylinder Drive ........................................................................ 1–81

Toner Cartridge Separation ....................................................................... 1–82

Image Quality Stability Control ....................................................................... 1–84

Temperature/Humidity Sensing System .................................................... 1–85

Density Calibration System ....................................................................... 1–86

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 375 376

Apple Color LaserWriter 12/600 PS ation User Manual Page 13

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Apple Color LaserWriter 12/600 PS ation User Manual Page 13

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