Basic Troubleshooting - Konica Minolta bizhub 250 User Manual

5
5.7

Basic troubleshooting

Symptom
Main The machine does not
Unit start up when the main
power switch is turned on.
Copying does not start.
The printed output is too
light.
The printed output is too
dark.
The printed output is blur-
ry.
There are dark specks or
spots throughout the
printed output.
There are streaks in the
printed output.
5-28
Possible cause
Is no power supplied
from the electrical outlet?
Has the [Power] (auxiliary
power) key been turned
on?
Is the right-side door of
the machine open?
Is there no paper that
matches the document?
Is the copy density set
too light?
Is the paper damp?
Is the copy density set
too dark?
Was the document not
pressed close enough
against the original
glass?
Is the paper damp?
Was the document not
pressed close enough
against the original
glass?
Is the original glass dirty?
Is the document transfer
belt dirty?
Was the original docu-
ment printed on highly
translucent material,
such as diazo photosen-
sitive paper or overhead
projector transparen-
cies?
Troubleshooting
Remedy
Correctly insert the power
supply plug into the electri-
cal outlet.
Turn on the [Power] (auxilia-
ry power) key.
Securely close the right-side
door of the machine.
Load paper of the appropri-
ate size into the paper tray.
Touch [Dark] in the Density
screen to copy at the de-
sired copy density.
(See page 3-43.)
Replace the paper with new
paper. (See page 2-42,
page 2-44 and page 2-46.)
Touch [Light] in the Density
screen to copy at the de-
sired copy density. (See
page 3-43.)
Position the document so
that it is pressed closely
against the original glass.
(See page 3-10.)
Replace the paper with new
paper. (See page 2-42,
page 2-44 and page 2-46.)
Position the document so
that it is pressed closely
against the original glass.
(See page 3-10.)
Wipe the glass with a soft,
dry cloth. (See page 10-3.)
Clean the document transfer
belt with a soft cloth damp-
ened with a mild detergent.
Place a blank sheet of paper
on top of the document.
(page 3-10.)
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