20. Image Quality Problem; 20.1 How To Identify Problematic Part; 20.2 Initial Check Items - Konica Minolta bizhub 362 Service Manual

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Field Service Ver. 1.0 Dec. 2008

20. Image quality problem

20.1 How to identify problematic part

• This chapter is divided into two parts: "Initial Check Items" and "Troubleshooting Proce-
dure by a Particular Image Quality Problem."
• When an image quality problem occurs, first go through the "Initial Check Items" and, if
the cause is yet to be identified, go to "Troubleshooting Procedure by a Particular Image
Quality Problem."

20.2 Initial Check Items

20.2.1
Initial Check Items 1
• Determine if the failure is attributable to a basic cause or causes.
Section
Step
1
Recommended paper is used.
Paper
2
Paper is damp.
3
Original not flat.
4
Faint original (light pencil, etc.)
Original
Highly transparent original (OHP transparencies,
5
etc.)
6
Dirty or scratched Original Glass.
PM parts relating to image formation have
PM parts
7
reached the end of cleaning/replacement cycles.
Adjustment
There are settings that can be readjusted to rem-
8
items
edy the image failure.
Check Item
20. Image quality problem
Result
Action
NO
Instruct user.
Replace paper.
YES
Instruct user on
proper paper storage.
YES
Correct
YES
Instruct user.
YES
Instruct user.
YES
Clean or Replace.
YES
Clean or Replace.
YES
Readjust.
269

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