HP 9120 HP Officejet 9100 - User Guide - Page 151
Replacing the ink cartridges, Replacing the printheads, To replace an ink cartridge
UPC - 829160117782
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Replacing the ink cartridges The ink gauges on the control-panel display depict the ink level. Replace an ink cartridge when the ink level is low or when the ink cartridge is empty. z Ink level low When the ink level for a cartridge is low (less than 16 percent full), a blinking ORDER [COLOR][ CARTRIDGE message appears on the control-panel display. z Ink cartridge empty When an ink cartridge is empty, a blinking REPLACE [COLOR] CARTRIDGE message appears on the control-panel display. All four ink cartridges must be correctly installed in order for the all-in-one to work. To replace an ink cartridge Follow the instructions that are included with the ink cartridge. Replacing the printheads You might need to replace printheads when the following messages appear on the control-panel display: Replace [color] printhead Incompatible [color] printhead Cleaning might prolong the life of printheads, even when these messages occur. Try cleaning the printheads or the printhead contacts before you replace them. See Cleaning the printheads and Cleaning the printhead contacts for more information. To replace a printhead Follow the steps under Cleaning the printhead contacts, but skip the steps that apply to cleaning the printhead contacts. ENWW Replacing the ink cartridges 149