HP Latex 2700 User Guide 3 - Page 103
Maintain the printheads, Check and clean the printheads
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When all the printheads have been installed: ● The optimizer printheads in slots 1 and 8 will just be cleaned. ● Printheads in slots 2 to 7 will be purged with ink, which takes about 9 minutes for color and overcoat printheads in slots 2 to 7, and 14 minutes for a white printhead in slot 7 (2700W only). The printer displays a message when purging is complete. Maintain the printheads You should perform an automatic printhead check and clean every morning, before starting to print. While the printer is idle, the components of the ink can precipitate inside the printhead and block the nozzles. The check and clean process pre-cleans the printheads, checks them with the drop detector, and cleans them further if necessary. It takes between 10 and 30 minutes, depending on the condition of the printheads. The check and clean procedure can be scheduled to run automatically on specific days and at specific times, if the printer is powered on. To maintain the best print quality, replace a printhead when it reaches its expiration date. An alert notifies you when any printhead reaches its expiration date. You can also check a printhead's expiration date at any time: see Printer status and alerts on page 22. Printheads should be aligned from time to time: see Align the printheads on page 125. TIP: If you remove an unexpired printhead from the printer, planning to reuse it later, the best way to protect it is by replacing the protective caps that you removed before inserting it into the printer. CAUTION: It is important to use the HP Latex Optimizer sealing cap for the HP Latex Optimizer printhead. Avoid any contact between the optimizer and the colored inks. Check and clean the printheads Check the printheads routinely before going into production. 1. Go to the Internal Print Server and tap the printhead widget, then Check and clean. 2. Tap the Check button to perform routine cleaning automatically. 96 Chapter 8 Handle the ink system
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