10.4 Machine; Color Alignment Adjustment - Konica Minolta bizhub C650 Service Manual

Field Service Ver. 8.0 Jun. 2008

10.4 Machine

10.4.1

Color Alignment Adjustment

Functions • To adjust color shift if color shift is found at the trailing edge of either plain paper or
thick paper by the comparison of originals and their output.
Use • Uses this function when color shift occurs at the trailing edge of images.
• Able to make a setting on a process speed basis independently for each paper type
of plain paper (color), thick 1/1+, and thick 2/3/4.
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. Select the paper type to be adjusted.
5. Press the Start key.
6. Using the printed test pattern, check color shift in the sub scan direction on both
leading and trailing edge areas. If color shift is found only around the trailing edge,
perform the following adjustment.
(If color shift is found on both areas, perform [Color Registration Adjustment].
7. Using the [+] / [-] key, change the setting value as necessary.
1
8. Produce another test pattern and make sure that there is no deviation.
Check Procedure
"0" (-6 to +6 dot)
<compare two places>
If the cross deviates in the direction of A,
decrease the setting.
If the cross deviates in the direction of B,
increase the setting.
Direction of A
4036fs3005c1
10. Service Mode
1 / x 11 plain paper.
2
A00JF3C524DA
Direction of B
4036fs3006c1
443
1