Canon Community

Though Canon doesn't support the 640, it prints from my Mac 0S 11.1 just fine with USB connection. Will not scan to Mac, either using the printer input or through the Mac options. How can I get the scanner to recognize the computer? IJ? what do I loo...

A friend gave me unopened PGI-5BK, CLI-8Y anda couple of others in the series... close (they will fit a Pixma 600) but not quite mine (MP640R) - what do I risk by trying one of them? Can I give them away somewhere? Hate to throw them in the trash. So...