Konica Minolta bizhub C650 Service Manual page 391

8. Utility Mode
<Scanner Adjustment: 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 copy image is less than the specified length, increase the setting value.
Instructions If the copy image exceeds the specified length, decrease the setting value.
Setting/ 1. Call the Administrator Setting to the screen.
2. Touch [System Settings] → [Expert Adjustment] → [Scanner Adjustment] → [Scan-
Procedure
ner Adjustment: Centering].
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 B 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 B of the image on the copy to see if the specifications are met.
9. Make adjustments until the specifications are met.
338
•B width on the color chart and one on the
copy sample are measured and adjusted so
B
that the difference of B width satisfies the
specifications shown below.
•An adjustment must have been completed
correctly of [Leading Edge Adjustment] of the
Printer Adjustment.
Specifications
A00JF3C508DA
B: ± 1.0 mm
Setting range
-10.0 to +10.0 (in 0.1 mm increments)
Field Service Ver. 8.0 Jun. 2008