From sharp lines to photo-quality images, the HP 90 Black Printhead Cleaner ensures easy, reliable HP Designjet printing. Compatible With HP Designjet 4020 1067 mm Printer (CM765A) HP Designjet 4020ps 1067 mm Printer (CM766A) HP Designjet 4520 1067 mm Printer (CM767A) HP Designjet 4520ps 1067 mm Printer (CM768A) HP Designjet 4520 HD Multifunction Printer (CM769A) HP Designjet 4500 Printer (Q1271A) HP Designjet 4500ps Printer (Q1272A) HP Designjet 4000 Printer (Q1273A) HP Designjet 4000ps Printer (Q1274A) HP Designjet 4500mfp (Q1276A)