Oki IP-6620 User Manual page 6

2. Adjust the media advance adjustment value and the
bidirectional print position adjustment value properly
Media advance
If these adjustment operations are not performed when
using a new media...
The ink may not be output to the right position and the print quality may decrease.
<Examples>
The printer has been
designed to facilitate
adjustment.
6
page 82
Banding (white or black bands) may appear if
media advance adjustment is not performed
correctly.
Bidirectional print positions
Adjustment can be performed automatically.
page 82
Grains may become
visible and the image may
appear blurred if the
bidirectional print
positions are not adjusted.
page 82