Omr Specifications - Pitney Bowes DI500 Operator's Manual

Optical Mark Recognition (OMR) • 5

OMR Specifications

OMR Marks and Clear Zone Specifications
The mark must be a solid black line between 1pt and 2pts thick 1/64"
(0.35mm to 0.7mm) and at least 3/8" (10mm) wide.
Each mark position must be evenly spaced and at least 1/10"
(2.54mm) apart.
The maximum amount of mark positions allowed within the code is
24; this includes ignored marks. The total length of the OMR code
should not exceed 2-3/4" (70mm).
An area around the marks should be kept clear from print, etc. that
may be read by the scanner in error, this area is called the Clear
Zone.
Marks can be printed on the front or reverse face of the sheet(s).
There should be no print on the opposing face of the sheet
immediately behind the Clear Zone.
Clear Zone
min 1/10"
(2.54mm) pitch
(10 lines/inch)
1pt to 2pt
1/64"
(0.35mm to
0.7mm) thick
1/8" (3mm)
min
SV40221 Rev. C
3/4"
(20mm)
min
3/4"
(20mm)
min
1/8" (3mm)
3/8" min
(10mm)
min
Diagrams NOT to scale
5-9