HP 2425 - Manual (Page 38)

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When toner is low, it is sometimes helpful to take the cartridge out of
the printer and redistribute the toner. This is done by gently rocking
the cartridge side to side. Then reinstall the cartridge. If the
TONER
LOW message remains in the display panel after redistributing toner,
the cartridge must be replaced.
Additional toner cartridges may be purchased from your QMS vendor.
Toner specifications are in appendix B, “Technical Specifications,” of
your
Reference manual.
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The cartridge contains the toner and laser-sensitive drum needed to
operate the laser printer.
„ The cartridge has a wide opening for the laser beam guided via
the reflecting mirror. Be careful not to drop any foreign objects,
such as clips or pins, when handling and installing the cartridge.
„
The drum is extremely sensitive to light and may deteriorate if
exposed to bright light; do not open or touch the drum protective
shutter.
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The toner cartridge
„
Should be kept in its protective bag until you’re ready to install it.
„
Is sensitive to bright light. Do not store it in direct sunlight or room
light (more than 1500 lux). Store it horizontally in a cool, dry loca-
tion away from sunlight. The maximum storage temperature is
95
º F (35 º C) and the maximum storage humidity is 80% without
condensation.
„
Should be kept level during storage. Do not stand or store the
cartridge on its end or turn upside down; the toner inside the car-
tridge may become caked or unequally distributed.
„
Should be kept away from salty air environments, corrosive gases
such as aerosols, and extreme heat or humidity.