How To Identify Problematic Part; Initial Check Items - Konica Minolta bizhub C250P Service Manual

Field Service Ver. 2.0 Mar. 2006

25.2 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."
25.2.1

Initial Check Items

A. Initial Check Items 1
• The trouble will be distinguished whether it is on the Engine, or on the Controller.
* How to distinguish
When transmitting the Print job to C250P, the "RIP" is displayed
on the control panel on the Machine.
When selecting "Demo page" from "Report output" which is
available from "User setting", image trouble occurs.
B. Initial Check Items 2
• 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 1 color or 4 colors.
1 Color
* How to distinguish
Image Problem
Lines, bands When selecting "Demo page" from "Report output"
which is available from "User setting", all four colors
have image troubles.
Action
Action
25. Image quality problem
Result Next Step
NO See P.373
(Trouble on the controller)
NO • Check the connector con-
nected to MFP.
• Replace the MFP Board.
YES Initial Check Items 2
4 Color
4038F4C521DA
Result Cause
YES Printer, 4 colors
NO Printer, 1 color
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