64 Chapter 4 Printer Maintenance C4170-90959
Toner Cartridge Information
Toner cartridges contain components which are sensitive to light, temperature, and humidity.
Make sure the user follows the recommendations in this section to ensure the highest quality
and longest life of HP toner cartridges.
Storage
The toner cartridge (C4096A) should not be removed from its package until installation. The
shelf life of a cartridge in an unopened package is approximately 2.5 years. The shelf life of
a cartridge in an opened package is approximately 6 months. The expiration date of the
toner cartridge is stamped on the cartridge box.
If cartridges are stored, the storage environment should meet the conditions listed in the
following table:
If the toner cartridge must be removed from the printer, always store the cartridge as follows:
• Inside the protective bag in which it was originally packaged.
• In a dark cabinet, away from direct sunlight.
• Correct side up and in a horizontal position (not standing on end).
• In a temperature listed in the table above.
• Away from ammonia or other organic solvent fumes.
CAUTION: Never ship the printer with a toner cartridge installed. Excessive vibration during shipping can
cause toner to leak, contaminating the printer.
Never expose the toner cartridge to direct sunlight, or to room light for more than a few minutes.
Bright light and direct sunlight can permanently damage a toner cartridge.
Table 4-1. Storing Toner Cartridges
Category Temperature Humidity
Operating 10 to 32.5 degrees C
(50 to 90.5 degrees F)
35 to 85% RH
Storage -20 to 40 degrees C
(-4 to 104 degrees F)
15 to 90% RH
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