Image Quality Problems; Troubleshooting Image Quality Problems; Initial Checks - Konica Minolta Di1610 Service Manual

5.

IMAGE QUALITY PROBLEMS

5-1.

Troubleshooting Image Quality Problems

• This chapter is divided into two parts: "Initial Checks" and "Troubleshooting for Specific
Image Quality Problems".
• If an image quality problem occurs, first go through the "Initial Checks" and, if the cause
is still not identified, continue to "Troubleshooting for Specific Image Quality Problems".
5-2.

Initial Checks

• Determine if the failure is attributable to a basic cause or causes.
Section Step
Installation 1
site
Paper 2
3
Original 4
document
5
6
7
PM parts 8
Adjust- 9
ments
Check
The installation size complies with the
requirements specified in "PRECAU-
TIONS FOR INSTALLATION" con-
tained in the "GENERAL" section.
The paper meets product specifica-
tions.
The paper is damp.
The document is not flat.
Copies of a faint document (written in
light pencil, etc.) are being made.
Copies of a highly transparent docu-
ment (OHP transparencies, etc.) are
being made.
The Original Glass is dirty or
scratched.
PM parts relating to image formation
have reached the end of cleaning/
replacement cycles.
There are adjustments that can
improve image quality problems by
being performed again.
T-24
Result Action
NO Change the
installation site.
NO Instruct the user
to use recom-
mended paper
that meets prod-
uct specifications.
YES Change the
paper.
Instruct the user
on the correct
methods for stor-
ing paper.
YES Correct the docu-
ment.
YES Instruct the user
to use a docu-
ment with an
appropriate image
density.
YES Instruct the user
on how to copy
transparent docu-
ments.
YES Clean or replace
the Original
Glass.
YES Clean or replace
the PM parts.
YES Perform the
adjustment again.