thank you Mark,
I own a 7660 (and I am very satisfied with it), and so far I used just one 59 cartridge and unfortunately didn't count how many prints I made. Some days ago someone told that it was possible to make 33 8x10 prints with a 59 cartridge (which, as you said, is the only one to use for bw), but I think this number is too high, so I was wondering if someone had a more accurate figure since I have to calculate a cost per print vey soon.
marco
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