Canon iR5570, iR6570 ir6570-005

Service Bulletin

Issued by Canon Europa N.V.

COPIER B/W
HARDWARE

Model:
iR5570

iR6570

Location:

Internal components (2)

Subject:

A preventive measure against the symptom that the image density is light, which is caused by misalignment and
distortion in the Scanner Unit

Detail:

<Symptom>
The image density is light.

<Cause>
Shock caused during transport of the Main Body and in other occasions creates a misalignment and distortion
in the Scanner Unit which leads to the symptom that the image density is light.
<Factory Measures>
Change the shape of Pressure Spring, add holes for mounting the Leaf Spring to the Scanner Stay (R) [C] and
fix the Leaf Spring [D] with cross-recess screws as to prevent the misalignment and distortion in the Scanner
Unit. Stepped screws for mounting the Scanner Unit is discontinued.

Ref No.:

iR6570-005
(F1-T01-0M5-10018-01)

Date:

August, 2005

(1/4)

Old Pressure Spring

[A]

[B] New Pressure Spring

iR6570-005

[C] Scanner Stay (R)

[D] Leaf Spring

[1] A part of shape change (a bend added)

Service Work:

If the symptom occurs in the product A or B below, re-install the Scanner Unit. If the symptom is not solved,
replace the Laser Scanner Unit by a new one. Be aware that the replacement should be done depending on the
types of product.

Product type A B C
Laser Scanner Assembly Old Old New
Scanner Stay (R) No screw hole With screw holes With screw holes
Leaf Spring None None With the spring

-Product type A and B: Mount the Laser Scanner Unit by using stepped screws.

-Product type B: No need to use the Leaf Spring although it has holes for mounting the Spring.

-Product type C: If it is necessary to replace the Laser Scanner Unit by a new one, be sure that the Leaf Spring
is be mounted.

(2/4)