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COPYRIGHT
©
1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
5–9
CHAPTER 5 PICK-UP/FEEDING SYSTEM
B. Detecting the Size of Paper in the Multifeeder
When the user sets the slide guide of the multifeeder to the width of copy paper, the
multifeeder paper width sensor 1 (PS9) and the multifeeder paper width sensor (PS10) operating
in conjunction with the movement of the side guide detect the width of the copy paper.
The identified width is used for blank exposure and fixing temperature control. The length of
copy paper in multifeeder mode is detected with reference to how long the registration paper
sensor (PS5) remains on.
DC
controller
PCB
Slide guide (rear)
Slide guide (front)
Multifeeder tray
PS9
PS10
PS9
PS10
Slide guide (front)
Tape
Multifeeder paper width
detection signal 1 (MLTPD1)
Multifeeder paper width
detection signal 2 (MLTPD2)
Figure 5-302
Table 5-301
Paper width (mm) PS9 PS10
Paper width > 257
257 Paper width > 216
0
1
216 Paper width > 182 1
182 Paper width 0
1
1
0
0
=
>
=
>
=
>