Konica Minolta bizhub C450 Service Manual page 216

Field Service Ver. 1.0 Mar. 2005
<Centering>
Functions • To adjust part-to-part variations in accuracy of IR parts and their mounting accuracy
by varying the scan start position in the main scan direction.
Use • When the CCD Unit is replaced.
• When the Original Glass is replaced.
• The Scanner Home Sensor has been replaced.
Adjustment
Specification
Adjustment If the 0-mm position on the sample copy is on the right side of the correct 0-mm position
Instructions perpendicularly to the feeding direction (less than -1 mm), decrease the setting.
If the 0-mm position on the sample copy is on the left side of the correct 0-mm position
perpendicularly to the feeding direction (exceeding 1 mm), increase the setting.
Adjustment 1. Call the Administrator Setting to the screen.
2. Touch "System Setting" → "Expert Adjustment" → "Scanner Adjustment" → "Center-
Procedure
ing."
3. Position the Color Chart correctly so that the original reference point is aligned with
the scale.
4. Press the Start key to make a copy.
5. Check point A on the image of the copy.
6. If the image falls outside the specified range, change the setting using the +/- key.
7. Press the Start key to make a copy.
8. Check point A of the image on the copy to see if the specifications are met.
9. Make adjustments until the specifications are met.
•Adjust so that width A on the sample copy
made falls within the specified range.
A
•An adjustment must have been completed
correctly of "Leading Edge Adjustment" of the
Printer Adjustment.
Specifications
4036fs3019c0
A: 10 ± 1.0 mm
Setting Range
-10.0 to +10.0 (in 0.1 mm increments)
8. Utility Mode
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