topic Which Canon service tools are recommended for MG5550 and MG6450? in Desktop Inkjet Printers https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Which-Canon-service-tools-are-recommended-for-MG5550-and-MG6450/m-p/173737#M51576 <P>I have both of these printers nad they both have the warning of pads being full. But I cannot get either printer to respond to service tool v3400 or v3900. Any ideas welcome</P> Sat, 21 May 2016 20:25:10 GMT TheJohnWilly 2016-05-21T20:25:10Z Which Canon service tools are recommended for MG5550 and MG6450? https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Which-Canon-service-tools-are-recommended-for-MG5550-and-MG6450/m-p/173737#M51576 <P>I have both of these printers nad they both have the warning of pads being full. But I cannot get either printer to respond to service tool v3400 or v3900. Any ideas welcome</P> Sat, 21 May 2016 20:25:10 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Which-Canon-service-tools-are-recommended-for-MG5550-and-MG6450/m-p/173737#M51576 TheJohnWilly 2016-05-21T20:25:10Z