Pitney Bowes relay 2000, Руководство оператора

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OMR Scanning • 4
4-5 SV63139 Rev.A
OMR Specifications
The OMR mark must be a solid black line between 1pt and 2pts thick
(0.014 inch (0.35mm) to 0.027 inch (0.7mm]) and at least 0.393 inch
(10mm) wide.
Each mark position must be evenly spaced, at least 0.118 inch (3mm)
apart.
The area around the marks (the clear zone) should be kept clear from print
and any other marks that the scanner might read in error.
There should be no print on the opposing face of the sheet immediately
behind the clear zone.
(Note: diagram is not to scale)
42mm maximum
3mm minimum pitch
10mm
minimum
1pt to 2pt
0.35mm to
0.7mm thick
2mm
minimum
2mm minimum
(see following diagrams for
more detail of this area)
Clear Zone
(see following diagrams for
more detail of this area)