HP M4345 User Guide - Page 171

Manage supplies Monitor the print cartridge to ensure high-quality output. Supplies life expectancy The life of the print cartridge depends on the amount of toner that print jobs require and the length of life for the components inside the cartridge. When printing text at approximately 5% coverage (typical for a business letter), the HPprint cartridge lasts an average of 18,000 pages. The page-yield specification that HP provides is a general guideline. Actual yield can vary according to usage conditions. Change the print cartridge 1. Pull the top-cover release to open the top cover. 2. Grasp the print cartridge by the handle, and remove it from the device. 3. Remove the new print cartridge from the packaging. 4. Remove any protective tape from the print cartridge. 5. Insert the new print cartridge in the device, and close the top cover. Manage the print cartridge Print-cartridge storage Do not remove the print cartridge from its package until you are ready to use it. CAUTION To prevent damage to the print cartridge, do not expose it to light for more than a few minutes. Use genuine HP print cartridges When you use a genuine new HP print cartridge, you can obtain the following supplies information: ● Percentage of supplies remaining ● Estimated number of pages remaining ● Number of pages printed ENWW Manage supplies 159