Oce Arizona 400 Series GT User Manual page 132

How to Determine the Media Advance Correction Factor
In the 'Roll Media Manager' menu you can select the 'Media Advance Correction Factor'
(MACF) and enter a value from 0 to 100. The default value is 50. You can enter a lower
value to correct for white gaps or raise the value to correct for dark lines.
.
Procedure to Determine the MACF
Put several instances of the MACF print in the print queue.
1.
Print with a default MACF of 50 (adjusted in Roll Media Manager).
2.
If white lines appear, the media is overstepping. Gradually decrease the MACF until the
3.
white lines start to disappear. Make a note of the MACF value. Continue to decrease the
MACF until dark lines just start to appear, and note the value. Typically, the average of
these two is the ideal MACF for this media.
Similarly, if dark lines appear lines appear, the media is under-stepping. Gradually increase
4.
the MACF until the dark lines start to disappear. Make a note of the MACF value.
Continue to increase the MACF until white lines just start to appear, and note the value.
Typically, the average of these two is the ideal MACF for this media.
132 Chapter 7 - How to Operate the Roll Media Option