Wow. The printer is very old in computer terms. That said, ensure you have an internet connection, click 'Add a printer' in Devices and Printers, click the 'Windows Update' button, wait for a while, then you should be able to find the Canon BJC-55 listed. Canon's stance is a little odd: "here's the driver, but it may not work."
Your scanner is a Mustek 1200UB in disguise.