HP Deskjet 3748 HP Deskjet 3740 Printer series - (Macintosh OS 9) User's Guide - Page 9
Ink-backup mode
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HP Deskjet 3740 series printer User's Guide Replacing print cartridges When buying print cartridges, look for the print cartridge selection number. You can find the selection number in these places: • Selection number label: Look at the label on the print cartridge that you are replacing. 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. 4.5 Ink-backup mode In the ink-backup mode, the printer operates by using only one print cartridge. The ink-backup mode is initiated when a print cartridge is removed from the print cartridge cradle. For instructions about removing 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 printouts. 9