And now the printer—his father’s printer, bought a decade ago at a big-box store, still stained with dried coffee from the old man’s last morning at home—refused to talk to the computer.
Once on the product support page:
If the printer prints but won't scan, you likely installed the basic printer driver but missed the scanner driver. Go back to the Canon support page and download the "IJ Scan Utility" or the **"Scanner Driver."