Lifter Operations; Operations - Canon NP6045 Service Manual

B. Lifter Operations

1. Operations

When the deck is pushed inside the pedestal, the deck open/closed sensor (PS38)
turns ON and, at the same time, the pick-up roller lowers, causing the deck lifter position
sensor (PS31) to leave the light-blocking plate.
This condition turns ON the lifter drive motor (M18), and the drive of the pick-up
motor (M2) is transmitted to the cable take-up shaft to move up the lifter.
The lifter stops where the deck lifter position sensor (PS31) can detect the top
surface of the copy paper on the lifter.
A deck lifter limit sensor (PS37) is located in consideration of such cases in which
the ascent fails to stop even after the sensor arm has blocked the deck lifter position
sensor (PS31).
After it has moved up, the lifter is held in place by the work of gears.
When the deck is slid out from the copier, the cable take-up gear disengages itself,
allowing the lifter to move down on its own weight.
Pick-up motor
M2
Deck lifter drive motor
M18
Lifter limit sensor
(PS37)
Copy paper
COPYRIGHT © 1997 CANON INC.
Lifter limiter
detecting lever
Pick-up roller
Lifter position sensor
(PS31)
Paper detecting lever
Paper sensor
(PS32)
Figure 5-303
CANON NP6045 REV. 1 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 PICK-UP/FEEDING SYSTEM
Feeding rollers
Separation roller
Pick-up roller
Deck open/closed sensor
(PS38)
Oil damper
Lifter
5-13