15 Problem Solving
410
Problem Solving
15
Image Quality Trouble
If the image quality of printed documents is poor, identify the symptom in the following
table to perform the remedy.
If image quality does not improve even after performing the remedy, contact our
Customer Support Center.
Symptom Cause Remedy
The copy is dirty. Is the document glass or the
document cover dirty?
Clean the document glass and the
document cover.
Refer to "Cleaning the Document Cover and
Document Glass" (P.77).
Is the document a
transparent type such as a
transparency film?
If the document is transparent, dirt on the
document cover will be copied. Place a
white sheet of paper on top of the
document when copying.
Is the document colored,
rough, or a blueprint?
Adjust the copy density or image quality.
Refer to "3 Copy" > "Image Quality" in the
User Guide.
Is the document glossy
printing paper?
Glossy printing paper easily sticks to the
document glass, and shadows are
sometimes copied, soiling the image.
Place a transparency film under the
document when copying.
The copy has
black lines.
Is the constant velocity
transport glass on the
document feeder dirty?
Clean the constant velocity transport glass.
Refer to "Cleaning the Constant Velocity
Transport Glass and Document Presser" (P.78).
The copy is too
dark.
Is the copy density set to
[Darken]?
Adjust the copy density.
Refer to "3 Copy" > "Image Quality" in the
User Guide.
The copy is too
light.
Is the document faint?
Is the copy density set to
[Lighten]?
The copy is
slightly
misaligned.
Are the paper edges aligned
and the leading edge
adjusted to the tray
corners?
Align the paper edges, adjust them to the
tray's top corners, and reload the paper.
Refer to "Loading Paper" (P.45).
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