Image Quality Problems - Konica Minolta bizhub 25e Administrator's Manual

Image quality problems

If you follow the steps below and do not resolve the problem, contact your local technical
representative.
Symptom
Printing is faint
(smudged, unclear)
White or black spots
are printed
PRINTER
Black stripes or
smudges are printed
PRINTER
The whole paper is
printed in black
Nothing is printed
Cause
The paper is damp.
Is the color of the document
faint?
Is paper other than that
specified in manuals of the
machine being used?
The contrast setting is
incorrect.
Is paper other than that
specified in manuals of the
machine being used?
The document glass or
document pad is dirty.
The ADF glass or the
document feeder roller is
dirty.
Is paper other than that
specified in manuals of the
machine being used?
The document glass or
document pad is dirty.
The machine may be
malfunctioning.
Is the document loaded
upside down?
More than one sheet of
paper were fed through at
the same time.
The machine may be
malfunctioning.
Countermeasure
Replace the paper with new paper. For
details, see "Loading paper" in the User's
Guide.
If you are receiving a document, ask
the sender to change the document to
a black color. (Copying the document is
recommended.) If you are making a copy,
make the contrast setting darker.
Use an appropriate type of paper
Specify the setting correctly. For details,
see chapter 2, "Advanced copy functions" in
the Copier Guide, chapter 2, "Advanced scan
functions" in the Scanner and Fax Guide, and
chapter 3, "Basic transmission settings" in
"Basic faxing" in the Scanner and Fax Guide.
Use an appropriate type of paper
Clean the document glass or document pad
(page 3-10).
Also, clean the charging needle
Clean the ADF glass or document feeder
roller (page 3-8 and 3-10).
Also, clean the charging needle
Use an appropriate type of paper
Clean the document glass or document pad
(page 3-10).
Also, clean the charging needle
Contact your local technical representative.
Load the document correctly. For details, see
"Basic operation" in the User's Guide.
Tap paper well before loading paper.
Contact your local technical representative.
Troubleshooting
1
2
3
4
(page 5-9).
(page 5-9).
(page 3-12).
(page 3-12).
(page 5-9).
(page 3-12).
4-5