HP Deskjet 1280 - User Guide
Page 43
...one of the icons near the back of the printer. If the above do not solve the problem, verify the color cartridge is an HP C6578 Series cartridge, and the black cartridge is none. Black print cartridge low on ink Black print cartridge is running low on ink. Consider replacing... the black cartridge with an HP C6578 Series cartridge. If the Print Cartridge Status light flashes, open the printer's access cover, the yellow arrow on the print cartridge cradle aligns to ...
...one of the icons near the back of the printer. If the above do not solve the problem, verify the color cartridge is an HP C6578 Series cartridge, and the black cartridge is none. Black print cartridge low on ink Black print cartridge is running low on ink. Consider replacing... the black cartridge with an HP C6578 Series cartridge. If the Print Cartridge Status light flashes, open the printer's access cover, the yellow arrow on the print cartridge cradle aligns to ...