Color Registration Adjustment - Konica Minolta bizhub C650 Service Manual

Field Service Ver. 8.0 Jun. 2008
10.4.8

Color Registration Adjustment

A. Cyan, Magenta, Yellow
Functions • To adjust color shift if there is any when comparing the original with copy of the plain
or thick paper.
Use • To correct any color shift.
• This setting can be made independently for plain paper, Thick 1/1+, Thick 2, Thick 3,
and Thick 4.
Adjustment
Range
Adjustment If the cross deviates in the direction of A, increase the setting.
Instructions If the cross deviates in the direction of B, decrease the setting.
Setting/ 1. Call the Service Mode to the screen.
2. Touch these keys in this order: [Machine] → [Color Registration Adjustment].
Procedure
3. Load manual bypass tray with A3/11 x 17 or A4/8
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 color to be adjusted.
7. Using the [+] / [-] key, change the setting value as necessary. (At this time, only the
line of the selected color moves.)
8. 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 A
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Direction of A
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10. Service Mode
1 / x 11 plain paper.
2
If the cross deviates in the direction of A,
increase the setting.
If the cross deviates in the direction of B,
decrease the setting.
Direction of B
If the cross deviates in the direction of A,
increase the setting.
If the cross deviates in the direction of B,
decrease the setting.
Direction of B
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