Canon MF8100 Series, Service Manual, Page: 37 / 296

Chapter 2
2-1
2.1 Document Feed and Exposure System
2.1.1 Overview/Configuration
2.1.1.1 Overview
0008-1957
The following are the major specifications, control mechanisms, and functions associated with the original feed/exposure system:
T-2-1
2.1.1.2 Major Components
0008-1829
The Document feed / Exposure system consists of the following major components:
F-2-1
T-2-2
Item Function/method
Scanning lamp cathode ray tube
Original scanning in book mode: scanning by moving the CCD unit
in ADF mode: scanning by moving the original
Reading resolution 1200(main scanning) x 2400 (sub scanning) dpi
(ADF:600 x 600dpi)
Scanner position detection by home position sensor
Reproduction ratio (zoom) in copyboard mode: 100%
in ADF mode: 100%
(main scanning) image processing by SCNT board
(sub scanning): image processing by SCNT board
CCD unit drive control by flat bed motor
Scanning lamp activation control by inverter circuit
[1] Slide guide [6] Reading glass
[2] Document pick-up roller [7] CCD unit
[3] Document separation roller [8] Document delivery roller
[4] Separation guide [9] Document output tray
[5] Document feed roller
[5] [7] [6]
[8]
[1]
[2] [3]
[4]
[9]