Outline Of Original Size Detection - Canon iR2030 Series Service Manual
Ir2030/2025/2022/2018 series
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Also See for iR2030 Series:
- Service manual (348 pages) ,
- Portable manual (122 pages) ,
- User manual (76 pages)
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Chapter 4
The original size is identified by the combination of presence and absence of output levels of the reflection type sensors as summarized in the tables below.
- Absence of paper: The light reflected from the reflection type sensor changes when the copyboard cover is open/close.
- Presence of paper: The light reflected from the reflection type sensor does not change when the copyboard cover is open/close.
This machine is provided with the following sensors. Locations of the sensors are shown below.
- Vertical scan direction: Reflection type photo sensors (2 locations for AB; 1 location for Inch)
- Horizontal scan direction: Reflection type photo sensors (2 locations for AB; 2 locations for Inch)
4.3.4.2 Outline of Original Size Detection
iR2022i / iR2025 / iR2030 / iR2022
- In the BOOK mode
One sheet of original (A4R) is set and the copyboard cover (or ADF ) is closed.
1) Standby state
Original sensor: Turns off.
4-12
AB-Configration
Horizontal scan direction
Upper left corner
of original
Original sensor 1
Original sensor 2
Inch-Configration
Horizontal scan direction
Upper left corner
of original
Original sensor 1
Copyboard cover
Reader unit
Index plate
Original sensor 3
Original sensor 4
B5R
A4R
B5
B4
A4
Original sensor 3
Original sensor 5
STMT-R
LTR-R
LGL
LTR
11" 17"
F-4-19
Original sensor 3
Original sensor 4
Copyboard glass
Original sensor 1
Original sensor 2
F-4-20
A3
0017-2634
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- Service Manual
- Error Code Table
- Error Code Details
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