Pre soak - using specially formulated flushing fluid to rehydrate & soften dried ink on the print head. Flush clean - 50 Degrees C heated flushing/cleaning fluid injected via head to flush out old ink.
The Refilled Ink For HP 302XL Black And 302 XL Colour Ink Cartridges Envy 4527 would be an excellent fit for office printers and small businesses in need of cost-effective ink replacements.
