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REVEAL the answer for the question ID 738 (277 characters)
Between 5 to 8 times. The wide variation depends on a number of factors, such as use of the inkjet cartridge (not letting the cartridge run out of ink before refilling), and the printer paper used (low quality papers causes the electric contacts on the print-head to wear out).
"I received my order (placed 5/20) today (5/23), I consider that truly outstanding service! I immediately refilled a black HP cartridge (first time ever doing so) and it works perfectly..." (John M.)read more...
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