Hi cbwjr,
This model was retired prior to the release of Macintosh OS 10.13 High Sierra, and no drivers have been written for the new operating system. The printer will continue to work with OSX 10.7 Lion or earlier, and will function as a fax regardless of operating system. Older versions of the drivers may not provide full functionality on new computers.
If you would like to replace your printer, you are eligible for Canon's Upgrade Program. This is for out of warranty units which have been diagnosed to require service, or for some reason are incompatible with a new or upgraded system. This option allows you a one-time opportunity to purchase a replacement product, discounted from the list price, and with free FedEx Ground shipping. If you would like to take part in this option, please call our Sales Department at (866) 443-8002 seven days a week, 8am to Midnight ET. Let them know you have been working with email technical support and the Canon Upgrade Program was offered.
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