Unknown Device Detected in Canon MP500The print head on my MP 500 died a while back, so I got a new one from Amazon. Print head appears to be authentic, but...
Black horizontal lines appear on all printoutsMy Epson WorkFroce 310 has been printing horizontal black lines on everything it prints for the last two days. I'm pretty...
"Unknown Device Detected in Canon MP500"に関する回答No numerical error codes whatsoever. And yes, the error only occurs when both print head and ink cartridges are installed together.