Canon FC9-1022-010 is a cassette paper pick-up cam used in a printer’s paper-feed mechanism. It is a specific mechanical part for the cassette pick-up function, rather than a complete paper-feed assembly.
The parts catalog lists it as a component of a paper pick-up assembly, with one cam identified in the parts table. Its defined role makes it relevant when servicing that cassette paper-feed mechanism.
This is the FC9-1022-010 cam for cassette paper pick-up.