Konica Minolta bizhub 500 Service Manual page 545

10. SERVICE MODE
10.8 ADF
10.8.1 Paper Feed Direction
Adjusts the magnification in the sub scan direction while in the DF original scan.
This adjustment adjusts the magnification of the image data in the sub scan direction by changing the scan
speed of DF.
The adjustment is made for each mode (single sided, double sided (front/rear)) and expansion/reduction ratio
(50%, 100%, 200%, 400%).
Note
• Make sure that the adjustment of the magnification in the printer paper feed direction has been
completed.
(See P.159)
A. Procedure
1.
"Service Mode screen"
Press [ADF].
2.
"ADF Adjustment screen"
Press [Paper Feed Direction].
3.
"Paper Feed Direction screen"
Press the magnification that adjusts the 1-Sided or 2-Sided.
4.
Press [Test Copy].
5.
"Test Copy screen"
Select A3 (for metric) or 11 x 17 (for inch) paper, and press the Start key with the adjustment chart set to
DF.
6.
Press [OK].
7.
Measure the magnification in the paper feed direction with a scale.
Standard value (while in the life size): ± 0.5% or less (200 ± 1 mm or less)
8.
"Paper Feed Direction screen"
Enter a value through the [+]/[–] or numeric keys and press [Setting].
Setting range: – 2.0 (shorter) to + 2.0% (longer)
1 step = 0.1%
9.
Repeat steps 4 to 8 until it gets inside the standard value.
10.
Repeat steps 3 to 9 for each magnification.
11. Press [OK].
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Field Service Ver1.0 Feb.2006