Konica Minolta bizhub C450 Service Manual page 272

Field Service Ver. 1.0 Mar. 2005
B. Cyan, Magenta, Yellow
Functions • To adjust color shift if there is any when comparing the original with copy of the plain
or thick paper.
• Before making this adjustment, be sure to perform Color Registration Adjustment
(Black).
Use • To correct any color shift
Adjustment
Range
Adjustment If the cross deviates in the direction of C, increase the setting.
Instructions If the cross deviates in the direction of D, decrease the setting.
Adjustment 1. Call the Service Mode to the screen.
2. Touch these keys in this order: "Machine" → "Color Registration Adjustment."
Procedure
3. Load Tray 1 with A3 or A4 paper (plain or thick).
4. Press the Start key.
5. On the test pattern produced, check for deviation between the black line and the line
of each color at positions X and Y.
6. Select the paper type.
7. Select the color to be adjusted.
8. Using the +/- key, change the setting value as necessary. (At this time, only the line
of the selected color moves.)
9. Produce another test pattern and make sure that there is no deviation.
Check Procedure
Check point X, Y
Adjustment for X direction:
Check point X
Adjustment for Y direction:
Check point Y
"0" (-6 to +6 dot)
Direction of C
4036fs3005c0
Direction of C
4036fs3007c0
10. Service Mode
If the cross deviates in the direction of C,
increase the setting.
If the cross deviates in the direction of D,
decrease the setting.
Direction of D
4036fs3006c0
If the cross deviates in the direction of C,
increase the setting.
If the cross deviates in the direction of D,
decrease the setting.
Direction of D
4036fs3004c0
4036fs3008c0
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