Lexmark MC2640 Paper and Specialty Media Guide PDF - Page 14

Recycled paper, Recycled paper guidelines, Recycled paper characteristics, Environmental impact

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Guidelines for selecting and using paper 14 Recycled paper As an environmentally conscientious company, we support the use of recycled paper produced specifically for use in laser (electrophotographic) printers. While no blanket statement can be made that all recycled paper feeds well, we consistently test papers that represent recycled cut size copier papers available on the global market. This scientific testing is conducted with rigor and discipline. Recycled paper guidelines The following paper choice guidelines help alleviate the environmental impact of printing: • Minimize paper consumption. • Be selective about the origin of wood fiber. Buy from suppliers who carry certifications such as the Forestry Stewardship Council (FSC) or the Program for the Endorsement of Forest Certification (PEFC). These certifications guarantee that the paper manufacturer uses wood pulp from forestry operators that employ environmentally and socially responsible forest management and restoration practices. • Choose the most appropriate paper for printing needs: normal 75 or 80 g/m2 certified paper, lower weight paper, or recycled paper. Recycled paper characteristics • Amount of post-consumer waste (tested up to 100 percent post-consumer waste content). • Temperature and humidity conditions. (Testing chambers simulate climates from all over the world.) • Moisture content. (Business papers should have low moisture: 4-5 percent.) • Bending resistance and proper stiffness means optimum feeding through the printer. • Thickness (impacts how much can be loaded into a tray). • Surface roughness (measured in Sheffield units; impacts print clarity and how well toner fuses to the paper). • Surface friction (determines how easily sheets can be separated). • Grain and formation (impacts curling, which also influences the mechanics of how the paper behaves as it moves through the printer). • Brightness and texture (look and feel). Environmental impact Recycled papers are better than ever; however, the amount of recycled content in a paper affects the degree of control over foreign matter. And while recycled papers are one good path to printing in an environmentally responsible manner, they are not perfect. The energy required to de-ink and deal with additives such as colorants and glue often generates more carbon emissions than does normal paper production. However, using recycled paper enables better resource management overall. We concern ourselves with the responsible use of paper in general, based on life cycle assessments of our products. To gain a better understanding of the impact of printers on the environment, we commissioned a few life cycle assessments. We found that paper was identified as the primary contributor (up to 80 percent) of carbon emissions caused throughout the entire life of a device (from design to end-of-life). The emission is due to the energy-intensive manufacturing processes required to make paper.

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Recycled paper
As an environmentally conscientious company, we support the use of recycled paper produced specifically for
use in laser (electrophotographic) printers.
While no blanket statement can be made that all recycled paper feeds well, we consistently test papers that
represent recycled cut size copier papers available on the global market. This scientific testing is conducted
with rigor and discipline.
Recycled paper guidelines
The following paper choice guidelines help alleviate the environmental impact of printing:
•
Minimize paper consumption.
•
Be selective about the origin of wood fiber. Buy from suppliers who carry certifications such as the Forestry
Stewardship Council (FSC) or the Program for the Endorsement of Forest Certification (PEFC). These
certifications guarantee that the paper manufacturer uses wood pulp from forestry operators that employ
environmentally and socially responsible forest management and restoration practices.
•
Choose the most appropriate paper for printing needs: normal 75 or 80 g/m
2
certified paper, lower weight
paper, or recycled paper.
Recycled paper characteristics
•
Amount of post-consumer waste (tested up to 100 percent post-consumer waste content).
•
Temperature and humidity conditions. (Testing chambers simulate climates from all over the world.)
•
Moisture content. (Business papers should have low moisture: 4–5 percent.)
•
Bending resistance and proper stiffness means optimum feeding through the printer.
•
Thickness (impacts how much can be loaded into a tray).
•
Surface roughness (measured in Sheffield units; impacts print clarity and how well toner fuses to the paper).
•
Surface friction (determines how easily sheets can be separated).
•
Grain and formation (impacts curling, which also influences the mechanics of how the paper behaves as it
moves through the printer).
•
Brightness and texture (look and feel).
Environmental impact
Recycled papers are better than ever; however, the amount of recycled content in a paper affects the degree
of control over foreign matter. And while recycled papers are one good path to printing in an environmentally
responsible manner, they are not perfect. The energy required to de-ink and deal with additives such as
colorants and glue often generates more carbon emissions than does normal paper production. However, using
recycled paper enables better resource management overall.
We concern ourselves with the responsible use of paper in general, based on life cycle assessments of our
products. To gain a better understanding of the impact of printers on the environment, we commissioned a few
life cycle assessments. We found that paper was identified as the primary contributor (up to 80 percent) of
carbon emissions caused throughout the entire life of a device (from design to end-of-life). The emission is due
to the energy-intensive manufacturing processes required to make paper.
Guidelines for selecting and using paper
14