HP inkjet cartridges No. 56, Black

• HP C6656A, Black

Compatible Printer List: 

• HP Fax Machines: 1240
• HP PSC printers: 1110, 1209, 1210 Series, 1315 Series, 2110 Series, 2175 Series, 1311, 1350 Series, 2210, 2410 Series, 2510 Series 
• HP OfficeJet Series: 4110 Series, 4215 Series, 5505, 5510 Series, 5610, 6110 Series
• HP DeskJet Series: 5150, 5560 series, 5650 Series, 5850 Series 
• HP Photosmart Series: 7150, 7260 Series, 7350, 7450, 7550, 7660 Series, 7755, 7760 Series, 7960 Series
• HP Portable DeskJet Printers: 450 Series
• HP Wide Format DeskJet Printers: 9650, 9670, 9680

Yields Approximately, In accordance with ISO/IEC 19752 Standard. :

• 520 pages pages, at 5% Coverage.

Note: 

• HP No. 56 black & HP No.57 tri-color are usually a set