Pitney Bowes J640 - Manual (Page 170)

Designing Bitmapped Images
Once you determine the encoding method to use, you can
begin mapping out your graphic image.
n
The image that you map must be an upside down mirror image
of the final result.
Special Considerations
Solid black print cannot exceed 20% of any given square inch
of the supply. If your black print exceeds this limit, you may
lose data or damage the printer.
In the first label, the large "M" logo and thick black line exceed
the allowed black to white print ratio. In the second label, the
large "M" logo does not exceed the black to white print ratio.
Exceeds
limit
Exceeds
limit .5"
2.0"
Does Not
Exceed
limit
Does Not
Exceed
limit
.5"
2.0"
Creat
in
g
G
rap
h
ics
Chapter 9. Creating Graphics
9-5