Kyocera TASKalfa 250, FS-C8500DN, TASKalfa300, TASKalfa400, TASKalfa500ci SERVICEBULLETINS 2H7 0092 C274

(Page.1/5)

Subject

Measures against the Intermediate Transfer Belt Cleaning
Failure (Material Change of the Fur Brush)

Model l:

TASKalfa 500ci, TASKalfa 400ci, TASKalfa 300ci, TASKalfa 250ci,
TASKalfa 552ci, FS-C8500DN

KMC’s Classification Entire Stock Rework In-Field modification at next visit

In-Field modification by case No modification necessary

Field Measures:

When the phenomenon described below occurs, please replace the fur brush (No.1) with the new one.
(Please refer to the next page and after for the replacement procedures.)

Serial Nos. of the Affected Machines: Currently no production

Machine front side
Machine rear side (with D-cut shape)

<Diameter>
(Old) 17+/-0.3 mm
(New) 16+/-0.3 mm

[Distinction of the new and old fur brushes]
Either of the following (A) or (B) is added to the machine rear side of the shaft of
the new fur brush.

22.2 mm

10.65 mm

(A) Marking to the end of the

shaft

(B) Marking-off line

Service Bulletin Ref. No. 2H7-0092 (C274)

<Date> October 12, 2012

Topic

After the prolonged use of the machine, abnormal image (offset image) might be printed out due to the cleaning
failure on the transfer belt which was caused by deteriorated cleaning ability of the fur brush in the intermediate
transfer belt unit. Therefore, the following changes were made.

Content of Changes

The material of the fur brush was changed in order to improve the toner collecting ability.
Also, the new fur brush is now supplied as individual part to field due to this change.

1) Material change: (Old) UUN 6D  (New) SA-7

2) Diameter change: (Old) 17+/-0.3mm  (New) 16+/-0.3 mm

3)

KYOCERA Document Solutions Europe

Technical Customer Service Division (TCSD)

(Page.2/5)

No.

Old Part

No.

New Part

No.

Description

Q’

ty

Com

bi

pati­lity

Remarks

Old

New

Old

New

1

-----------

302KY94370

2KY94370

PARTS BRUSH FUR B SP

-

1

-

O

Service part

No.

Procedure

Details and Figures

1

Detach the intermediate transfer belt unit.
(For more details, refer to the Service
Manual.)

<Applied chapters in the Service Manual>
TASKalfa 500ci/400ci/300ci/250ci/552ci: 1-5-37 to 1-5-38
FS-C8500DN: 1-5-28

2

Remove the screw fixing the cleaning unit
at the machine front side.

3

Remove the screw fixing the cleaning unit
at the machine rear side (x2).

(Machine front side)
Cleaning unit

Screw

(Machine rear side)
Screw

Service Bulletin Ref. No. 2H7-0092 (C274)

<Date> October 12, 2012

(*) Only service part is informed this time. (Change of the intermediate transfer belt unit will be informed later.)

Replacement Procedures

KYOCERA Document Solutions Europe

Technical Customer Service Division (TCSD)