17.50 CHF
Canon CLI-581XL
C
Canon CLI-581XL
C
www.canon.de/printers/pixma-tr7550/specifications/
According to the Canon website these are exactly the right ones for the TR7500, you can order them here
Yes, I'm sure they fit.
Externally, the ink cartridges do not differ. Normal, XL or XXL differ only in the filling quantity. In other words, the "normal" ink cartridges are "half empty". The XXL are full.
I have a TS9150 and have used different fill levels. Fits without any problems.
Unfortunately, I cannot give an answer to this problem because I never use these functions.