Konica Minolta bizhub C353 Service Manual page 401

10. Service Mode
D. Feed Direction Adjustment
Functions • To adjust the zoom ratio in the sub scan direction for the scanner section.
Use • The scanner assy has been replaced.
• The scanner motor has been replaced.
• The scanner drive cables have been replaced.
Adjustment
Specification
Adjustment If the D width on the copy sample is less than one on color chart, increase the setting.
Instructions If the D width on the copy sample exceeds one on color chart, decrease the setting.
Setting/ 1. Call the Service Mode to the screen.
2. Touch these keys in this order: [Machine] → [Scan Area] → [Feed Direction Adjust-
Procedure
ment].
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 the D width 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 another copy.
8. Check the image on the copy to see if the specifications are met.
9. Make adjustments until the specifications are met.
356
D
4038F3C518DA
Field Service Ver. 4.0 Jun. 2008
•Measure D width on the color chart and on
the sample copy, and adjust the gap to be
within the following specification.
•An adjustment must have been completed
correctly of "Paper Feed Direction Adj." of
[Printer Area].
Specifications
D: ± 1.5 mm
Setting range
0.990 to 1.010 (in 0.001 increments)