I changed my black ink cartridge and my canon i 70 stopped printing. my computer gives me an error saying there was an error and my document could not be printed. the indicator light is green and then it flashes amber-green-amber and then back to green. i've reset the printer and my pc with no avail.

Hi Good day!! did you try to print other documents? if yes try to restart your print spooler Click Start- Setting- Control panel- administrative tools- services now you should be on services box find the "Print spooler" click Print spooler and then restart it by click stop and then start
reply to me for further assistant if my solution did not work thanks

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My Canon i70 is a great little printer. I just completed printing a 3 page document fine. The next document printed with many missing letters (like the black ink was out). I replaced the black ink cartridge (canon brand) and still the same result. I then replaced the colored cartridge (canon brand) with no change in the printing. What could have happened all of a sudden. The test run looks good but it just won't print a clear clean document. thanks. Marlane