Kyocera FS-6970 Service Bulletin 2J5 0018 C169

(Page.1/3)

Subject

Change of the Boss and the Gear in the Fuser Unit

Model l:

FS-6950DN, FS-6970DN

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

In-Field modification by case No modification necessary

Field Measure: Please replace the parts when the phenomenon described above occurs.

Serial Nos. of the Affected Machines: Please refer to the next pages.

Bearing surface thickened by

0.5 mm

External diameter changed
from 11 mm to 12 mm
Thickness increased by 0.5
mm

<Shape change of the gear (GEAR INPUT: No.9)>

<Bottom shape change of the boss of

the FRAME FUSER LOW (No.8)>

<Change of the fuser unit (No.1 to No.7)>

GEAR INPUT changed as the further
improvement to prevent the backlash of the boss
and the gear
(It will be changed after using up the old stock.)

Boss can be
damaged.

Roundness (R0.3) applied to the
bottom shape of the boss

Rib heightened
by 1 mm

Service Bulletin Ref. No. 2J5-0018 (C169)

<Date> July 2, 2012

Topic

The shaft of the gear (boss) or the gear to drive the fuser unit might be damaged by the excessive loads caused by
foreign matters, which might cause a fuser jam. Therefore, the following changes were made in order to increase
the strength.

Content of Changes

The following parts in the fuser unit were changed.

1) FRAME FUSER LOW: The bottom shape of the boss was changed.

2) GEAR INPUT : The shape of the gear was changed.

KYOCERA Document Solutions Europe

Technical Customer Service Division (TCSD)

(Page.2/3)

No.

Old Part

No.

New Part

No.

Description

Q’

ty

Com

bi

pati­lity

Remarks

Old

New

Old

New

1

302F793046

2F793046

302F793047

2F793047

FK-440(E)

1 1 O

O

For KDE

FS-6950DN

2

302F793076

2F793076

302F793077

2F793077

FK-440(TW)

1 1 O

O

For KDTW

FS-6950DN

3

302F79K046

2F79K046

302F79K047

2F79K047

FK-440(E)

1 1 O

O

For KDKR

FS-6950DN

4

302J593051

2J593051

302J593052

2J593052

FK-450(E)

1 1 O

O

For KDE

FS-6970DN

5

302J 593091

2J593091

302J593092

2J593092

FK-450(TW)

1 1 O

O

For KDTW

FS-6970DN/6975DN

6

302J59C051

2J59C051

302J59C052

2J59C052

FK-450(E)

1 1 O

O

For KDCN

FS-6970DN/6975DN

7

302J59K051

2J59K051

302J59K052

2J59K052

FK-450(E)

1 1 O

O

For KDKR

FS-6975DN

8

302F725023

2F725023

302F725024

2F725024

+FRAME FUSER LOW

1 1 O

O 9

302F925090

2F925090

302F925091

2F925091

+GEAR INPUT

1 1 O O Note 1

Affected

Serial Numbers

Model Name

Product Code

Destination

FRAME FUSER LOW

GEAR INPUT

FS-6970DN

1102J53EU0

KDE

XAA2511498

After using up the old stock

1102J53AS0

KDAU

XMU2600601

After using up the old stock

1102J53TH0

KDHK

After using up the old stock

After using up the old stock

1102J53TH0

KDTH

XDC2500284

After using up the old stock

1102J5TTW0

KDTW

After using up the old stock

After using up the old stock

1102J53KS0

KDCN

After using up the old stock

After using up the old stock

1102J53ND0

KDID

After using up the old stock

After using up the old stock

FS-6975DN

1102LT3KR0

KDKR

Q4V2501980

After using up the old stock

1102LTTTW0

KDTW

Q162501304

After using up the old stock

1102LT3KS0

KDCN

Q1L2500486

After using up the old stock

Service Bulletin Ref. No. 2J5-0018 (C169)

<Date> July 2, 2012

"+" mark at the beginning of the part name indicates that it is a component part.

Note 1: The new GEAR will be implemented later than the new FRAME. Even if it has a new part number, the new GEAR
may not be applied to that fuser unit. (Please check the machine/unit with the new GEAR by the following serial number.)

Serial Nos. of the Main Units (FS-6950DN is currently not produced.)

KYOCERA Document Solutions Europe

Technical Customer Service Division (TCSD)