Pickup/Feed System - Canon LBP-CX Series Service Manual

B. Pickup/Feed System
1. Outline
Paper can be fed by auxiliary feed (manual feed, external cassette), or from an internal cassette. Control of
pickup timing and flow of print paper differ somewhat according to the mode of paper feed.
All rollers, except the upper manual pickup roller and the cassette pickup rollers, are always rotating while
the main motor is operating.
Paper delivery
sensor arm
2-14
Delivery
Fixing
rollers
PAPER DETECTION signal (PDP)
Main motor
driver
DRUM DRIVE command IDRMDI
TACHOGENERATOR
~------.,,..---~ signal (TG)
Cl
0
z
w
..J
0
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a:
DC
controller
M1
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iii
~-----------'
Separation
belt
Feeder (pinch)
rollers
Cassette
Main
motor
Z"
Q~
I-
E
~8
1-w
a~
WO:
a:o
Figure 2-25 Pickup/feed system
u.
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a:
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c:
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z
I
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a
0
z
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J:
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1-
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COPYRIGHT
©
BY CANON INC. CANON LBP-CX SERIES REY.2 JULY 1985 PRINTBI IN JAPAN (IMPRIME AU JAPONI