Konica Minolta bizhub C450 Service Manual page 212

Field Service Ver. 1.0 Mar. 2005
(7) Color Registration Adjust
<Color Registration Adjust (Yellow, Magenta, Cyan)>
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 Adjust (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 Administrator Setting to the screen.
2. Touch "System Setting" → "Expert Adjustment" → "Color Registration Adjust."
Procedure
3. Load Tray 1 with A3/11x17 or A4/8 1/2x11 paper (Normal or Thick 1 to 3).
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
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
8. Utility Mode
4036fs3004c0
4036fs3008c0
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