Pixma MG7720 Magenta does not print

[Mich777]

Hello, my magenta color on my Pixma MG7720 printer will not print, even though I installed a brand new print head, replaced all new ink tanks, performed various head alignments, manual and automatic, several deep cleanings, nozzle check, to which magenta shows on the test page but not during normal print function.  I have tried just printing black and white as a print preference from the printer settings and it still prints color, to which only blue and yellow black and grey are printed.  The magenta ink tank however is getting reduced!  How is this possible?  Is there anything else I can try? 

[Patrick]

Hi Mich777,

It would appear that your PIXMA MG7720 would require service.  You are eligible for Canon's Upgrade Program. This is for out of warranty units which have been diagnosed to require service, or for some reason are incompatible with a new or upgraded system. This option allows you a one-time opportunity to purchase a replacement product, discounted from the list price.

To help you get up and running quickly, we also offer free standard shipping (if the order is completed by 12:30PM ET). If you would like to take part in this option, please call our Sales Department at (866) 443-8002.  They're available weekdays and Saturdays after 11 AM ET (8 AM PT). Let them know you have been working with technical support and the Canon Upgrade Program was offered.