Fuji Xerox DocuCentre SC2020 Service Manual page 195

Image Quality Problem Name SUB
12 Density Fluctuation Right After ProCon For BW priority machine, the color density may not quite
Power ON/Change in Environ-
ment
13 Fingerprints System When loading paper, handle it with care and try not to
14 Vapor Fusing
Unit
15 Toner Empty Detection Color Deve
Streaks
16 Photoreceptor Pitch Color Xero
Streaks
(Static electricity memory)
17 Rib Line Fusing
Unit
18 Density change when replacing Procon
Azone First thing in the morn-
ing/Drum Cartridge/Toner Car-
tridge
19 DarkLines Xero
Version 1.1
DC SC2020
Details
match on the first color printout after turning the Power
ON.
touch the print side.
Sebum that get stuck to the print side may affect the
print result.
If you wish to obtain the best print results, wear finger
cots or gloves so as not to leave any sebum stuck to the
print side.
White vapor may come out from the upper part of LH
cover with Czone heavyweight paper.
If the toner is removed and reinstalled close to the exit in
order to completely use the toner until the end, spots in
the form of short lines may appear for a while.
A dark line of the photo receptor may appear on the Xero
highlight part.
A rib mark may appear in the paper feeding direction on
the printed side of Side1 when Duplex print is performed.
This is more likely to occur with special paper such as
Gloss.
Density and Gray balance spec may be off for Azone
first in the morning sample, immediately after replacing
the Drum Cartridge or the Toner Cartridge.
Sharp dark horizontal line may appear randomly.
Table 1
Occurrence Condition
Environmen Side-1
t Side-2 Media
No involve- No No involve-
ment involve- ment
ment
Especially
gloss paper
All - Hydrated
paper is a
stress.
All All All
All All All
All Side-1 Heavyweight
Side-2 gloss paper.
Azone is No No involve-
easy to occur involve- ment
ment
High temper- Heavyweight
ature/High (Media in half
humidity speed mode)
environment
05/2014
3.2.2 How to use the image quality troubleshooting (IPS)
3-33
Others
Conditions Interim Measures Details
Calibration
Use finger cots or gloves
Use fresh paper
Printout 10 copies
Immediately • Leave alone for overnight or replace Xero ERU
after replac-
• Photo receptor replacement
ing the Drum
Cartridge
The occurrence level during discharge is perfor-
mance limit.
Sample is Calibration
easy to occur
first thing in
the morning
Performance limit
Image Quality Troubleshooting