COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 7 PICK-UP/FEEDING SYSTEM
7-3
III. CASSETTE PICK-UP MECHANISM
A.
Pick-up operation
The pick-up roller rotation is controlled by both the pick-up roller drive gear which
transmits the main motor’s (M601) drive to the pick-up drive axis gear, and the pick-up
solenoid (SL301).
The construction of the cassette pick-up assembly is illustrated in Figure 7-302.
When the main motor rotates, the connected drive relay gear also begins to rotate.
At this time, the cogless part of the feeding roller drive gear is in the drive relay gear
position, and the 2 gears are not engaged, therefore power is not transmitted to the
pick-up drive axis gear.
The pick-up solenoid ON signal (SL301D*) is output from the DC controller PCB,
and when the solenoid comes ON, the paper roller drive gear is released, and by the
push of the control arm the paper roller drive gear rotates a small amount.
When the feeding roller drive gear connected to this rotates, power is transmitted to
the pick-up drive axis gear, and the pick-up roller rotation begins.
When the pick-up roller has rotated once, the drive relay gear position and the cog-
less part of the feeder roller drive gear match, therefore the main motor’s drive is no
longer transmitted and the pick-up roller rotation stops.
The paper which has been picked-up is separated by the cassette’s separation tab
and separation roller, and then sent to the pick-up vertical path assembly. The pick-
up/feeding rollers are rotated by the main motor (M601) rotation which is transmitted via
the vertical path clutch (CL301), and paper is sent out to the registration roller assembly.
Figure 7-301
Vertical path roller
Registration roller
Pick-up roller
Feeder roller
Separation roller
Registration clutch
Pick-up sensor
Registration sensor
Vertical path roller clutch
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Содержание GP160F
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