Drive System; Scanner Drive System - Canon NP6621 Service Manual

II.

DRIVE SYSTEM

A. Scanner Drive System
1. Removing the Scanner Drive Motor
1) Remove the copy board glass.
2) Remove the spring
, and the belt .
1
2
Figure 4-201
3) Remove the upper rear cover.
4) Disconnect the connector
remove the two screws
5) Remove the spring
motor .
8
6
5
7
Figure 4-202
Caution:
When mounting the scanner driver motor, be
sure to make the appropriate adjustments as
follows:
1) Hook the spring
the scanner driver motor in place with screws
; then, give the screws
wise half turn to free it.
2) Push the motor down, and then shift it to the
left and right.
3) Where the motor stops, tighten the screws
(on the right and then left).
4) Fit the tensioner
and the E-ring .
COPYRIGHT © 1998 CANON INC.
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, the E ring , the tensioner
Scanner wire
3
4
of the motor, and
.
and the scanner drive
6
on the metal plate, and fix
counterclock-
, and mount the spring
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
2. Removing the Scanner Cable
1) Remove the copyboard cover, right cover, left
cover, upper rear cover, and lower rear cover.
2) Remove the copyboard glass.
3) Remove the control panel.
4) Remove the copyboard cover support
Figure 4-203
5) Remove the ten screws
upper left stay .
2
2
Figure 4-204
6) Fix the cable in place using cable clips (FY9-
3010).
Figure 4-205
MECHANICAL SYSTEM
.
1
, and remove the
2
3
2
4–5