Outline Of Operation; Outline - Canon iR1600 Series Service Manual
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Also See for iR1600 Series:
- Copying manual (70 pages) ,
- Reference manual (194 pages) ,
- Service manual (554 pages)
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1 Outline of Operation
1.1 Outline
The image reading/processing system has the following major functions:
Item
Original exposure
Original scanning
Original size detection
Enlargement/
reduction (zoom)
Lens
Contact sensor
Contact sensor unit
drive control
Contact sensor unit
position detection
Shading correction
Auto density correction
COPYRIGHT© 2002 CANON INC.
CHAPTER 3 IMAGE READING/PROCESSING SYSTEM
Indirect exposure by LEDs (LEDs + photo conducting me-
dium)
Book mode: scanning by moving carriage
ADF mode:
stream reading by fixed carriage
Book mode: detection by reflection type sensor (in models
equipped with original size sensor)
ADF mode:
detection by ADF
Between 50% and 200% (in 1% increments)
Main scanning direction : image processing by image proces-
sor
Sub scanning direction :
Book mode : by varying speed of carriage
ADF mode : by varying speed of original
Rod lens array
Number of lines : 1 (7084 pixels)
Maximum original reading width : 299.8 mm
Control by reader motor (M103)
By CS unit HP sensor (PS113)
Reading in units of 10 bits, output in units of 8 bits
Correction on all black/white pixels
Executed at the start of a read job.
By ABC (auto background control)
Executed for every line in main scanning direction
(Executes density correction for every line in main scanning
direction, and consists in a single scan.)
T03-101-01
2000
CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002
Description
3 - 1
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