NCR 7169 - Page 78

1-58 NCR 7169 Multifunction Printer
Requirement Specification
Product essential
functionality and
features that
should be included
in the customer’s
specification for
receipt paper
The following must be observed:
• The coating should not cause undue wear to the print
head.
• The surface area of the paper should be smooth.
• All edges must be correctly cut and must be smooth.
• There should be no mottling or foreign body
contamination. There should be no dust on the surface of
the paper that could cause damage to the printer or to
nearby equipment.
• There should be suitable coatings to protect the paper
from UV light, water, oils, and other elements. Thermal
coating residue should not transfer to the print head when
heated.
• The paper must allow for crisp lines to be produced when
the paper is heated.
• The paper should be sourced in accordance with health
and safety, with environmental policies, and in adherence
to any local regulations.
• The paper should be suitably packed and protected to
avoid damage during transport.
Chemical in Paper The chemical elements of the paper, coating, and inks shall not
exceed the following amount:
• Titanium dioxide, TiO
2
: 0 ppm (max)
• Silicon dioxide, SiO
2
: 0 ppm (max)
• Mullite, 3Al
2
O
3
2SiO
2
: 0 ppm (max)
• Sodium, Na: 1050 ppm (max)
• Chloride, Cl: 500 ppm (max)
• Potassium, K: 250 ppm (max)
• Suflate, SO
4
: 800 ppm (max)
• Ammonium, NH
4
: 800 ppm (max)
The chemicals listed here are not exhaustive, and other
chemicals may reduce the life expectancy of the printer, the
print head, or both.
Roll Width • 80 mm (+0.5 / -1.2mm)
• 58 mm (+0 / -1.0 mm)
Roll Diameter Maximum of 83 mm