Proove Ink cartridges
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Jump to navigationJump to searchProove International AB, Sweden, sells used ink cartridges for HP printers who perform very poorly in the EU.
Cost pr page[edit]
A number 9 Proove ink cartridge equals the HP 57 Tri-Color Print Cartridge.
The nr 9 Proove cartrige as enough ink to print 60 15x10 color photos before one color is printed with less strength than it should.
hp-levels reports "approx. 15%" when nr 9 Proove cartriges are actually empty.
