Lexmark 644, 640, 642 manual Storing print media, Card stock

Models: 644 642 640

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Understanding paper and specialty media guidelines

Do not use labels that have exposed adhesive.

Card stock

Card stock is single ply, and has a large array of properties, such as the moisture content, thickness, and texture, that can significantly affect print quality. See Supported print media for information on the preferred weight and for the grain direction of print media.

Try a sample of any card stock you are considering using with the printer before purchasing a large quantity.

After printing approximately 10,000 pages of card stock (or each time you replace the print cartridge), complete the following steps to maintain printer feeding reliability:

1Print five sheets of paper.

2Wait approximately five seconds.

3Print five more sheets of paper. When printing on card stock:

Set the Paper Type menu item in the Paper menu to Card Stock from the operator panel, from the printer driver, in the Local Printer Setup Utility, or from MarkVision.

Be aware that preprinting, perforation, and creasing can significantly affect the print quality and cause print media handling or jamming problems.

Avoid using card stock that may release hazardous emissions when heated.

Do not use preprinted card stock manufactured with chemicals that may contaminate the printer. Preprinting introduces semi-liquid and volatile components into the printer.

We recommend the use of grain short card stock.

Storing print media

Use the following guidelines to avoid paper feeding problems and uneven print quality.

Store paper in an environment where the temperature is approximately 21°C (70°F) and the relative humidity is 40%.

Store cartons of paper on a pallet or shelf rather than directly on the floor.

If you store individual packages of paper out of the original carton, make sure they rest on a flat surface so the edges do not buckle or curl.

Do not place anything on top of paper packages.

Store paper in its original wrapper until you load it into the printer.

Storing print media

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Lexmark 644, 640, 642 manual Storing print media, Card stock