HP DesignJet T7200 Using Your Printer - Page 49
Printheads, key to cancel the process, or
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HP recommends that you replace the empty cartridge with a new HP cartridge. See Order ink supplies: Ink cartridges, Printheads and Maintenance Cartridges on page 62, Remove an ink cartridge on page 43, and Insert an ink cartridge on page 45. Although it is possible to use refilled or non-HP ink cartridges, either choice has several serious disadvantages: ● There is some risk of damaging the printer. In this case the printer warranty will not be valid for any printer repairs that are related to the cartridge, nor for any problems due to ink contamination. ● You will invalidate the warranty of all printheads of the same color used in the printer subsequently. ● Print quality may be impaired. ● The printer will be unable to estimate the ink level in the cartridge, and will report it as empty. In some situations, if you decide to use refilled or non-HP ink cartridges, you will need to follow these instructions to make the printer use a cartridge that it believes to be empty. 1. Install the cartridge in the printer (see Insert an ink cartridge on page 45). 2. The front panel will complain that the cartridge is empty, and the cartridge removal process will start. Press the Cancel key to stop this automatic process. 3. At the front panel, select the icon; highlight Replace ink cartridges, but do not select it. 4. Press the Cancel key and the Up key at the same time, and hold them down for at least two seconds. 5. The front panel will display a series of warning messages. In response to each message, press the Cancel key to cancel the process, or the OK key to confirm that you wish to continue. When you have pressed OK in response to all warning messages, the front panel will give the usual ink cartridge status display, but the refilled or non-HP cartridge will be shown as empty with a warning sign. Printheads The printheads are connected to the ink cartridges. They use jet action to put ink on the paper. Each printhead has two ink-cartridge connection points and two sets of nozzles, which means that each printhead can print in two different colors. For example, the printhead below prints in magenta and yellow. ENWW Ink system components 41