HP 2425 - Manual (Page 39)

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„ Should be kept away from monitors, disk drives, and floppy disks.
The magnets in the cartridge can damage stored data.
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QMS does not recommend using refilled toner cartridges on this
printer. Refilled toner cartridges may produce variations in toner qual-
ity and reliability and may reduce the print quality of your documents.
In addition, toner leaks affect your warranty.
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When the toner supply is low, TONER LOW displays in the printer’s
message window, and parts of the page usually start printing lighter
than normal.
Sometimes, you can increase the life of the toner cartridge by taking it
out of the printer and redistributing the toner—hold the cartridge with
both hands and then gently rock it from side-to-side (as you do for a
new cartridge) five or six times. If the
TONER LOW message remains
in the message window, you must replace the toner cartridge, as
described later in this chapter.
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To help you lower your printing costs, your printer provides an option
called Conserve Toner, which simulates draft-quality printing. The
printer reduces the amount of toner used during printing by screening
the black dots in a 1:3.5 ratio. In other words, 1 black dot prints for
every 3.5 black dots that would print in normal printing mode. Increas-
ing the Toner Density may darken your draft-quality printing.
The Conserve Toner option can be enabled through your printer
driver or through the Administration/Engine/Print Quality menu.
» Note: The Conserve Toner option is designed for draft printing only.
Turn off Conserve Toner when printing proof or final copies of
documents to avoid any possible distortion of patterns, halftone, and
images.