Lph Rank - Konica Minolta bizhub C450 Service Manual

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10. Service Mode

LPH Rank

• To correct uneven LPH image by producing an output of the LPH Pattern of Test Print

• When an uneven image occurs and is not eliminated even after other troubleshooting

procedures have been carried out.

• When the LPH Unit has been replaced

• When the LPH Assy has been replaced

1. Load Tray 1 with A3 plain paper.

2. Call the Service Mode to the screen.

3. Touch "Machine" → "LPH Rank."

4. Return the Rank settings for all four colors back to "1."

5. Press the Start key to let the machine produce a test pattern.

6. Identify the spot, at which uneven image occurs.

7. Select the color (Cyan, Magenta, Yellow, Black) that develops uneven image.

✽ Select Yellow if green on the test pattern develops uneven image.

8. Using the 10-Key Pad, enter a value of the Rank value shown on the screen plus

✽ If Rank is "1," enter 2.

✽ If "0" is set for Rank, set "1." Do not use "0."

9. Let the machine produce another test pattern and check for uneven image.

10.Repeat steps 1 through 8 until the uneven image is gone.

Green (yellow)

4036fs3048c0

Field Service Ver. 1.0 Mar. 2005

"1" (1 to 5)

* 0 is not used.

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