Canon NP6621, Service Handbook, Page: 18 / 146

2–4
STANDARDS AND ADJUSTMENTS
6 Routing the Scanner Drive Cable
Route the cable as indicated by the numbers
q
through
!1
, and perform “Adjusting the Cable tension”
and “Adjusting the Mirror Position” as described.
Figure 2-210
Figure 2-209
Caution:
Pay attention to the direction of the wire spring when installing the cable spring. (Follow the illustrations
given below.) Installing the spring in the wrong direction can cause the hook tip of the spring to interfere
with the cable.
Screw
Loosen the
screw,and shift
it down.
Re-tighten
the screw.
Attach the mirror
positioning tool.
Set screws
Loosen the set
screws to enable
free rotation.
Put the steel ball
into the hole in
the pulley; wind
the cable nine
times toward the
inside, and four
times toward the
outside; then, snap
on the pulley clip.
Pulley clip
Steel ball
34±1mm
o
y
u
r
!1
t
q
!0
w
e
i
Hook
Hook
Cable
Cable
(front) (rear)
Cable spring Cable spring