Color Shift Correction (Bk) - Konica Minolta Bizhub C350 Service Manual

bizhub C350 Field Service Ver. 2.0 April 2004
3.17.2

Color Shift Correction (Bk)

Functions • To correct black color shift, if it occurs
• Make Color Shift Corrections (cyan, magenta, and yellow) after this adjustment
has been made.
Use • To correct black color shift, if it occurs
Adjustment Range
Adjustment If the black reference line deviates in the direction of C, decrease the setting value.
Instructions If the black reference line deviates in the direction of D, increase the setting value.
1. Touch Expert User Mode → Color Shift Correction (Bk).
Adjustment
Procedure 2. Load Tray1 with A3 or A4R plain paper.
3. Press the Start key.
4. Fold the printed test pattern in half lengthwise to check for deviation (the image
on the inside).
5. Check deviation between black lines A and B.
6. Change the setting value using the Up/Down key as necessary.
7. Produce another test pattern and check for deviation.
Check Procedure
Check point A, B
0 (-10 to +10 dot)
A
Direction of C
A
B
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If the black reference line
deviates in the direction of C,
decrease the setting value.
If the black reference line
deviates in the direction of D,
increase the setting value.
B
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Direction of D
B
Utility Mode
A
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