PEPER FEED DEVICE FOR PRINTER

摘要

A paper feed for a printer includes a frame, a platen rotatably mounted on the frame, a friction roller support juxtaposed to the platen, a spring mounted on the frame and having a first operable condition biasing the friction roller support toward the platen with a first biasing force and having a second operable condition biasing the friction roller support toward the platen with a second biasing force less than the first biasing force, and a cam rotatably mounted on the frame and operable between first and second operable positions to effect disposition of the spring in said first and second operating conditions.