FS-C8520
FS-C8020MFP, FS-C8025MFP
TROUBLESHOOTING GUIDE
General error handling
KDE PRODUCT ENGINEERING
All modifications in this guide have already been implemented in the later models
FS-C8020MFP, FS-C8025MFP
TROUBLESHOOTING GUIDE
INDEX
PAGE 2
This document was developed as a support document and in no way replaces any service manuals or bulletins we may otherwise produce Information contained in this document is believed to be accurate at the date of publication
but it is not guaranteed that such information is accurate at the date of receipt or will remain so in the future.
Please note the legal instructions on the last page!
Spots (f
alling toner), white streaks Page
3
Horizontal
streaks, ghost image Page
4
Color
shifting in print direction Page
5
Noise
issue (Drum and Fuser) Page
6
J41
09 and paper feeding failure from MP-Tray Page
7
A
ppendix Page
8
Phenomenon
Spots caused by falling toner randomly appear on the printouts (Picture1
and picture 2: depending on the toner accumulation on the sleeve
roller).
White streaks (32mm pitch) at the edge or at the center of Image caused
by DV sleeve roller (Picture 3,4).
Counter measure
Step 1: Firmware update (2K0 1009.009.016 or later)
Step 2: If the problem still occurs, it is recommended to replace
all developer units with DV-896.
Picture 1 (falling toner)
TROUBLESHOOTING GUIDE
(Refering to SB-2KZ-0031-C258)
Spots and uneven printout (white streaks)
Page 3
FS-C8020MFP, FS-C8025MFP
Picture 3 (white streak at
the edge)
Picture 4 (white streak at
the center)
Picture 2 (Toner accumulation
on sleeve roller)
Parts information
DV-896Y: 302MY93020
DV-896M: 302MY93030
DV-896C: 302MY93040
DV-896K: 302 MY93050
Print direction
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