I have the same problem and when I make a copy it also prints black. Here's my scenario. Changed cartridge. Printed blank page. Shook cartridge. Now just prints a totally black page.
I am in the US. However, I gave up on my printer and bought a new Epson since I wasn't getting anywhere with Canon. My Canon is in storage because I didn't have the heart to trash it which was what your tech department told me to do the last time I...
I bought a brand new Canon 125 toner cartridge. The old cartridge was empty. Still the same problem. It prints a black page. Please help! I miss my printer.