HP 6840 HP Deskjet 6800 Printer series - (Macintosh OS X) User's Guide - Page 15
Ink-backup mode - inkjet printer
UPC - 829160429724
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HP Deskjet 6800 series printer User's Guide 1. Selection number label • Printer documentation: For a list of print cartridge selection numbers, see the reference guide that came with the printer. • HP Inkjet Toolbox: Open the HP Inkjet Toolbox, and then select the Supplies panel. If a print cartridge runs out of ink, the printer can operate in the ink-backup mode. For information about installing a print cartridge, see the print cartridge installation page. 4.7 Ink-backup mode In the ink-backup mode, the printer operates by using only one print cartridge. The ink back-up mode is initiated when a print cartridge is removed from the print cartridge cradle. To remove a print cartridge, see the print cartridge installation page. Ink-backup mode output Printing in ink-backup mode slows the printer and affects the quality of printed documents. Installed print cartridge Result Black print cartridge. Colors are printed as grayscale. Tri-color print cartridge. Colors print but black is grayed and is not a true black. Photo print cartridge. Colors are printed as grayscale. Gray photo print cartridge. Colors are printed as grayscale. 15