Canon DADF-AG1, Руководство по обслуживанию

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Technology > Controls (DADF) > Document Detection > Outline
Technology > Controls (DADF) > Document Detection > Outline
Start of reading of reverse
side of second document sheet
End of reading of reverse
side of second document sheet
Stop after feeding the second
document sheet to reversal
position
Removal of idle reversal registration
loop of second document sheet and
release of re-pickup/delivery roller
Pressurization of second document
sheet delivery roller
Completion of delivery of second
document sheet and end of job
F-2-9
Controls (DADF)
Document Detection
■ Outline
This machine detects a document using either of the two methods depending on the print
mode.
• Normal print mode (other than mixed size print mode and banner paper mode)
• Mixed size print mode and banner paper mode
Normal print mode (other than mixed size print mode and banner paper mode)
In the normal print mode, the following Three document detection functions are used:
Function Description Description
Document presence/absence
detection
Detects whether there is a document on
the Detects whether there is a document
on the
Document set sensor
(SR5)
Initial document
sizeabsence
detection
Longitudinal
direction
Detects the length of the document placed
on the document pickup tray
Document length
sensor
1/2(SR7/SR10)
Lateral
direction
Detects the width of the document placed
on the document pickup tray.
Document width
volume 1(VR1)
Mixed size print mode and banner paper mode
In the mixed size print mode and banner paper mode, the following three document
detection functions are used:
Function Description Description
Document presence/
absence detection
Detects whether there is a document on the
document pickup tray.
Document set sensor
(SR5)
Document length
detection
Detects the document length according to
the distance from the position where the
read sensor (SR2) turns on to the position
where the read sensor (SR2) turns off.
Read sensor(SR2)
T-2-4
T-2-5