Canon Perfect Binder D1, 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
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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
a. Normal print mode (other than mixed size print mode and banner paper mode)
In the normal print mode, the following four 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)
Last document detection Detects whether the document being
picked up is the last one.
Last document detection
sensor(SR7)
Initial document
sizeabsence
detection
Longitudinal
direction
Detects the length of the document
placed on the document pickup tray
Document length sensor
1/2(SR9/SR8)
Lateral
direction
Detects the width of the document
placed on the document pickup tray.
Document width sensor 1/2
(PS2/PS1)
b. 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)
Last document
detection
Detects whether the document being fed is the last one. Last document
detection sensor
(SR7)
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)
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