Canon DADF-N1, Руководство по обслуживанию

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2.3
Document Detection
2.3.1 Outline
0006-2253
The machine detects the presence/absence of an original in either of the following 2 ways
depending on the selected print mode:
-normal printing (other than mixed-size printing and extra-length printing)
-mixed-size printing, extra-length printing
a.Normal Printing (other than mixed-size printing and extra-length printing)
In normal printing, the machine uses the following 4 original detention mechanisms:
T-2-3
b.Mixed-Size Printing/Extra-Length Original
When in mixed-size printing mode, the machine uses the following 3 original detection
mechanisms:
Item Description Sensors used (notation)
Original detection checks the presence/absence of an original
in the original pickup tray. original placement sensor
(PI9)
Last original detection checks to see if the original being moved is
the last original of the stack. last original sensor (PI8)
Initial Original Size
Identification
feed direction checks the length of the original placed in
the original pickup tray
distinction between LTRR and LGL length sensor 1/2 (PI6/PI7)
cross-feed direction checks the size of the original placed in the
original pickup tray original width volume
(VR1)
A4R/LTRR sensor (PI5)
Chapter 2
2-1
6