Konica Minolta bizhub C35, Руководство по обслуживанию

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DRAFT
Field Service V er. 1.0 Feb. 2010 16. IMAGE QUALITY PROBLEM
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bizhub C35
TROUBLESHOOTING
16. IMAGE QUALITY PROBLEM
16.1 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.”
16.1.1 Initial check items
A. Initial check items 1
• Let the machine produce a test print and determine whether the image problem is attrib-
utable to the scanner or printer system.
• Evaluation procedure
B. Initial check items 3
• If the printer is responsible for the image problem, let the machine produce a test print
and determine whether the image problem occurs in a specific single color or four colors
• Evaluation procedure
Action Result Cause Next step
From [Service Mode], select [Print Menu]
→
[Gradation],
and produce a test print. Is image problem evident?
YES Printer Initial check items 2
NO Scanner P.224
Action Result Cause Next step
From [Service Mode], select [Print Menu]
→
[Gradation],
and produce a test print. Is image problem evident in each
of all four colors?
YES Printer,
4 colors
P.247
NO Printer,
single color
P.235