Could you tell your problem in more detail i;e, red and green light flashing or some kind of messages. Also try to reset your printers by tricks given here:
http://www.pcadvisor.co.uk/forums/1/helproom/271542/epson-c46-printer--service-needed/
With the printer powered off but connected to a power source, press the Power button while pressing and holding
the Stop/ Reset button.
2) When the Power LED is lit, press the Stop/Reset button two times while pressing and holding the Power button.
3) When releasing the Power button and...
The root cause of Error 5100 in Canon inkjet printers can be so varied, a small piece of paper nesting inside the printer, waste toner full or even a corrupted printer driver. If you couldn't find a problem in printer's hardware then reinstall/update printer driver and scan your PC for viruses...
Surgeon Anthony Atala has developed a way to print real like human bones and other organs. He used a standard HP printer for this purpose but I wonder which "refilling technique" he used? :lol: