Samsung SCX-82x0 series, Руководство по обслуживанию

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7.Troubles
A. Typical faulty images
7.3.4 Color or Black background
yp y g
Step Section Check item
1 Imaging unit HV terminal of imaging
2 Dirty on the outside due
toner
3 O i i l O i i l i d d
B. Troubleshooting procedure
3 Original Original is damaged or
4 DADF DADF does not lie flat.
5 Original glass Original glass is dirty.
6 Sh di h t Sh di h t Gl i 6 Shading sheet Shading sheet Glass is
7 Mirror, lens,
exposure lamp,
and reflectors Mirror is dirty.
8 Lens is dirty.
9 Exposure lamp is dirty.
10 Reflectors are dirty 10 Reflectors are dirty.
11 Basic screen
quality/ density The problem is eliminat
image is produced in th
exposure setting.
12 The problem has been
through the checks of s
Service Manual
7-1
shooting
m Result Action
unit is dirty. Yes Clean the terminal.
e to scattered Yes Replace imaging unit with
new one
di t Y Ch i i l dirty. Yes Change original.
Yes Change DADF if it is
deformed or hinges are
broken.
Yes Wipe the surface clean
with a soft cloth.
di t Y Wi th f l s dirty. Yes Wipe the surface clean
Glass with a soft cloth
Yes Clean.
Yes Clean.
Yes Clean.
Yes Clean Yes Clean.
ted when the
he manual
No Try another exposure
level in manual.
eliminated
steps up to 10.
No Scan the Chart and check
the image quality again
SAMSUNG ELECTRONICS
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