HP LaserJet 4350 HP LaserJet 4250/4350 Series - User Guide - Page 121

Managing the print cartridge This section provides information about HP print cartridges, their life expectancies, how to store them, and how to identify genuine HP supplies. Information also appears about nonHP print cartridges. ● HP print cartridges ● Non-HP print cartridges ● Print-cartridge authentication ● Print-cartridge storage ● Print-cartridge life expectancy ● Checking the supply level ● Cartridge-low and cartridge-out conditions HP print cartridges When you use a genuine HP print cartridge, you can obtain several types of information, such as the following: ● Amount of toner remaining ● Estimated number of pages remaining ● Number of pages printed Non-HP print cartridges Hewlett-Packard Company cannot recommend use of non-HP print cartridges, either new or remanufactured. Because they are not HP products, HP cannot influence their design or control their quality. Service or repair required as a result of using a non-HP print cartridge will not be covered under the printer warranty. Using genuine HP supplies ensures the availability of all HP printing features. Print-cartridge authentication The printer will let you know if a print cartridge is not a genuine HP print cartridge when you insert it into the printer. If you believe that you purchased a genuine HP supply, visit us at http://www.hp.com/go/anticounterfeit. CAUTION Print-cartridge storage Do not remove the print cartridge from its package until you are ready to use it. Always store the print cartridge in the proper environment. The temperature should be between -20°C and 40°C (-4°F to 104°F). The relative humidity should be between 10% and 90%. To prevent damage to the print cartridge, do not expose it to light for more than a few minutes. ENWW Managing the print cartridge 109