Ricoh M C250FW, Руководство по обслуживанию на месте

Страница: 245 / 324

6.Troubleshooting
233
Image Quality Problems
Vertical Streaking
Problem Cause Details Solution
Vertical, fine black
lines appear.
After the lines first
appear, the
number of lines
and number sheets
with lines gradually
increases (lines
appear at both
ends).
ITB cleaning blade has
become contaminated
with toner, dust, due to a
blade cleaning failure.
Dust and dirt in the
environment.
Discontinue use of
paper with paper
dust (recycled
paper, poor quality
paper.)
Can occur at the
beginning of
machine use or
over time.
•
Clean the area around the
machine.
•
Replace the paper in use.
•
Set the auto cleaning
feature to its default
setting: ON
Printer model : Menu key
> System Settings > Auto
Cleaning
MF model : Settings icon
> System Settings > Auto
Cleaning
A large number of
broken, vertical
black lines
Uneven charge on the
surface of the
development roller is
causing broken, black
lines to appear.
This problem can
occur within 1K
after a new AIO
has been installed.
Occurs when
ambient
temperature and
humidity are low.
The problem
presents over time.
•
Recommend selection of
high-speed mode priority.
•
Output several blank
sheets before printing.
•
Raise ambient
temperature/humidity.
•
Change the image density
setting.
One to several
very fine vertical
black lines appear
•
Lint, dust in the AIO
exposure unit.
•
Dust, dirt has
collected on the
surface of the dust
shield glass on the
LD unit.
•
Toner is sticking to
the charge roller.
•
Dirt, paper dust
under the AIO is
scraping away
Can occur at the
beginning of
machine use or
over time.
•
Remove and reinstall the
AIO.
•
Replace the AIO.
•
Clean the dust shield
glass on the LD unit.
( Cleaning Points )