Canon NP6320 Service Manual page 116

CHAPTER 5 PICK-UP/FEEDING SYSTEM
3. Removing the Main Drive Assem-
bly
1) Remove the main motor mount (see p. 5-
21).
2) Remove the DC controller PCB.
3) Remove the fixing assembly.
4) Remove the four screws [1].
5) Remove the main drive assembly [2] with
releasing the two timing belts.
4. Mounting the Main Motor
The drive of the main motor is used to
drive the drum and execute pick-up operations
by way of timing belts.
Adjust the tension of the belt by selecting
the mounting hole of the main motor so that
when the center of the timing belt is pushed
down with a force of 500 g, the distance be-
tween the two runs of the belt is between 20
mm and 25 mm.
5-22
COPYRIGHT © 1999 CANON INC.
Figure 5-327
Tension
increases
500 g
Belt 1
Drum
drive unit
Dimension
20 to 25 mm
Figure 5-328
CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Main motor
mounting holes
Tension
decreases
Main motor