Canon iR7086, Руководство по обслуживанию

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Chapter 5
5-16
F-5-36
4. ADF Fully Closed (5 deg or less)
No. 1 mirror base: at point of original detection
scanning lamp: on
original sensor: original detection operation
The machine looks for a change in the output level of individual sensors for a period of 2 sec after the ADF open/closed sensor 1 has identified the current state
as being "closed." The absence of a change in the level causes the machine to assume the presence of an original at the point in question.
The machine uses the combination of changes in the levels of 5 points to identify the size of the original in question.
F-5-37
5. In a Wait State (for a press on the Start key)
No.1 mirror base: at point of original detection
scanning lamp: off
original sensor: off
F-5-38
F-5-39
5.3.5 Dirt Sensor Control
5.3.5.1 Dust Detection in Stream Reading Mode
0010-8001
iR7105 / iR7095
In addition to the common points for stream reading, the machine uses an additional 6 points each for small-size and large-size sheets at intervals of 0.5 mm to avoid
areas of dust (in total, 7 points for small-size and 7 points for large-size).
If it detects dust, however, it changes the point of reading to prevent dust from appearing in images. The detection of dust is executed at the end of each single job
that uses stream reading; the machine moves the ADF belt idly when stream reading is selected and identifies any black line as an area of dust.
When it detects dust, it resets the current point of stream reading, and uses the point of reference on the leftmost edge for dust detection; if dust is detected, it moves
the point of stream reading to the right by 1 point (0.5 mm) for detection of dust for a second time. If dust is not detected, the machine uses that point as the point
for stream reading. If dust is detected once again, it will use the next point. If dust is detected at all 7 points, the machine will indicate the message "Copyboard
Glass Soiled," which will remain unit the ADF is opened and the copyboard glass is cleaned. The machine will not use stream reading but use fixed reading as long
as the message remains.
25
5
1
A B
2
A B
3
A B
4
A B
1
A B
2
A B
3
A B
Original
size
A3
B4
A4R
A4
B5
B5R
A5
B6
none
Original
sensor 1
CCD point of
detection
AB-Configuration
Original
size
11"x17"
LGL
LTRR
LTR
STMTR
STMT
absent
CCD point of
detection
Inch-configuration
: change present
Original
sensor 3
: change absent