The linked Guide shows you How to Setup Canon G1500/G1501/G1510 in macOS 10.15 Systems.

Canon G1500/G1501/G1510 How to Quick Start Printing on macOS 10.15 Catalina
Canon Drivers & Support
The linked Guide shows you How to Setup Canon G1500/G1501/G1510 in macOS 10.15 Systems.
Canon G1500/G1501/G1510 How to Quick Start Printing on macOS 10.15 Catalina