HP 6840 HP Deskjet 6800 Printer series - (Windows) User's Guide - Page 134
Printing a test View estimated ink levels - top cover open
UPC - 829160429724
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HP Deskjet 6800 series printer Cleaning instructions 1. Lightly moisten a cotton swab with distilled water and squeeze any excess water from the swab. 2. Wipe the print cartridge copper contacts with the cotton swab. Caution: Do not touch the print cartridge ink nozzles. Touching the ink nozzles will result in clogs, ink failure, and bad electrical connections. 1. Clean only the copper contacts Repeat this process until no ink residue or dust appears on the swab that you use to clean the contacts. 3. Insert the print cartridges in the printer, and then close the printer cover. 10.6 Printing a test page Follow these steps to print a test page: 1. Open the printer Toolbox. 2. Click the Print a Test Page button, and then follow the onscreen instructions. 10.7 View estimated ink levels Follow these steps to view the estimated ink levels of the print cartridges that are installed in the printer: 1. Open the printer Toolbox. 2. Click the Estimated Ink Level tab. 134
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