Canon Community

I have a pixma tr4722 printer. I've been refilling my own ink via Canon ink cartridges but I'm still fairly new to this and I'm having trouble printing black ink. See attached photo below. It looks like the column that's on the left with the letters ...

I bought this printer used and I can't seem to get it to print documents clearly. The words are either blurry and/or doubling. I tried the print head alignment and all other maintenance tests and still no good. Please can someone help me with this as...

I bought this printer used and I can't seem to get it to print documents clearly. The words are either blurry and/or doubling. I tried the print head alignment and all other maintenance tests and still no good. Please can someone help me with this as...