PIXMA MX532 Print from iPhone good, print from computer not

[Grandmam]

when I print from my phone, the pic is great but when I print the same pic from my computer there is vertical banding. Worked great before not sure what’s going on, any help? Canon Mx532

[ArthurJ]

Hi,

What version of Windows or Mac OS is your computer running? Also, are you just opening the picture from your photo gallery and printing or do you have photo printing software installed? 

We look forward to your reply.