A-61159 May 2002
4-7
Patch Document
Specifications
Patch Code
Specifications
Paper color
White
Paper size
Width: 8.8 to 29.3 cm (3.5 to 11.7 in.)
Length: 21.3 to 42.5 cm (8.5 to 17 in.)
Ink color
Black
Type of
printer
A laser printer is recommended.
Contents
The patch document should contain only the two patch
codes (one for portrait, one for landscape). No other
images or text should be on the patch document.
Skew
tolerance
20x
Read rate
99%
Dimensions
Height: > 2.5 cm (1.0 in.)
Width of narrow elements: 0.175 cm (0.07 in.), ±10%
Width of wide elements: 0.45 cm (0.18 in.), ±10%
Quality
Reflectance of white elements must be > 65%
Reflectance of black elements must be < 5%
Positioning
When you print the patch document, the leading
edge of the patch code must appear 1.25 to 3.8 cm
(0.5 to 1.5 in.) from the leading edge of the paper.
It is best to have the patch code centered across
the width of the paper, but it must appear at least
1.25 cm (0.5 in.) in from either side of the paper.
