Paper feeder for ink jet recorder

Abstract

Abstract PURPOSE: To give an adequate change of the pressure to paper feed rollers in accordance with a signal of the paper kind and improve reliability of the paper feed operation, by providing a paper kind decision device in a manual feed guide and performing a decision of the kind for manual feed paper. CONSTITUTION: The first paper feed roller 2 for taking out record paper 3 sheet by sheet filled in a record paper cassette 1 and the second paper feed rollers 11 inserted into a manual feed guide 10 are provided. A sheet of manual feed paper 12 passes between a light emitting element 13 and light receiving element 14, when permeating light passes a through hole 15 to reach the light receiving element 14, and its permeability is detected to make a decision of a kind for the manual feed paper 12. A decision signal for said paper kind changes the pressure of the second paper feed roller 11 to give the adequate pressure to the manual feed paper 12. In this way, reliability of the paper feed operation can be improved while folds or jamming of the paper can be prevented. COPYRIGHT: (C)1981,JPO&Japio

Inventors

• 👤 Hiromichi Komai

Bibliographic Details