Document Feed And Exposure System; Overview/Configuration; Overview; Major Components - Canon MF8100 Series Service Manual

2.1 Document Feed and Exposure System

2.1.1 Overview/Configuration

2.1.1.1 Overview

The following are the major specifications, control mechanisms, and functions associated with the original feed/exposure system:
Item
Scanning lamp
Original scanning
Reading resolution
Scanner position detection by home position sensor
Reproduction ratio (zoom) in copyboard mode: 100%
CCD unit drive control
Scanning lamp

2.1.1.2 Major Components

The Document feed / Exposure system consists of the following major components:
[4]
[5]
[1] Slide guide
[2] Document pick-up roller
[3] Document separation roller
[4] Separation guide
[5] Document feed roller
Function/method
cathode ray tube
in book mode: scanning by moving the CCD unit
in ADF mode: scanning by moving the original
1200(main scanning) x 2400 (sub scanning) dpi
(ADF:600 x 600dpi)
in ADF mode: 100%
(main scanning) image processing by SCNT board
(sub scanning): image processing by SCNT board
by flat bed motor
activation control by inverter circuit
[3] [2]
[1]
[8]
[6] [7]
T-2-1
[9]
F-2-1
T-2-2
[6] Reading glass
[7] CCD unit
[8] Document delivery roller
[9] Document output tray
Chapter 2
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