I purchased a tested refill pg40 for my Canon PIXMA ip1800. Now when I go to print, it says black ink not recognized. I have disabled the ink level monitor, power cycled it, cleaned it, re-installed drivers. It flashes the amber light 5 times which according to Canon is a print head error. I can put the old one back in and it does not give an error. Any suggestions?If the orange warning light is on, then the printer may need to be reset.Somewhere on your printers control panel you should have a little button - usually its by the two bigger photocopying buttons and it has a red triangle inside a red circle. Hold this little button down until the orange light goes off and you hear machine noises.
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