Kyocera FS-2020, FS-3920, FS-4020 Service Bulletin 2J0 016
Service Bulletin
SB Number:
Subject:
SB 2J0-016
Zigzag ruled lines in the sub-scanning direction
Creation Date: 18/11/2011
Model: FS-2020D/3900DN/3920DN/4000DN/4020DN
Phenomenon Zigzag ruled lines may appear in the sub-scanning (Vertical) direction.
Cause This is due to contact failure between the heat roller bearing and the ground plate of the
Fuser unit.
Solution The ground plate (Plate earth fuser) has been changed as follows:
1. The material has been changed (Hardened) from SUS 304CSP1/2H to SUS 304CSPH
2. The shape (Angle) has been changed.
Abnormal image sample
There should be no gap between the
heat roller bearing and the ground plate of the
Fuser unit.
Old condition
Bearing
New condition: The angle has been changed
to improve the contact with the bearing.
45°
25°
5°
KMIS Service Department, Kyocera Mita Europe B297 / SB 2J0-016
Page 1 of 2
Parts
Service Bulletin
No. Old Parts
No.
1 302F993066
2F993066
2 302J093061
2J093061
3 302J193051
2J193051
4 302F925211
2F92511
Classication
Field measure When the above mentioned phenomenon occurs, please replace the ground plate of the Fuser
Serial numbers of affected machines
Type Serial number
FS-2020D/3900DN/3920DN/4000DN/4020DN August 2011 production.
The above mentioned changes have been applied to machines produced after the above mentioned production date.
New Parts
No.
302F993067
2F993067
302J093062
2J093062
302J193052
2J193052
302J025370
2J025370
Entire stock rework
unit (Plate earth fuser) with the latest type.
Description Q’TY Interchange-
FK-320(E) 1 1 X O FS-3900DN/4000DN
FK-340(E) 1 1 X O FS-2020D
FK-350(E) 1 1 X O FS-3920DN/4020DN
+PLATE EARTH FUSER 1 1 X O FS-2020D/ 3900DN/
In-eld modication at next visit
ability
Old New Old New
In-eld modication by case
X
Applicable model(s)
4000DN/3920DN/
4020DN
No modication necessary
KMIS Service Department, Kyocera Mita Europe B297 / SB 2J0-016
Page 2 of 2
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