Printer

摘要

A printer comprising a printing drive gear for generating a print operation output and having a print control cam for controlling a print operation; a paper feed control cam adapted to be rotated with the printing drive gear as a unit for controlling a paper feed operation; a paper feed driving intermittent gear for generating a paper feeding output; a ratchet wheel for controlling an output timing of the paper feed driving intermittent gear; a print control lever adapted to be moved in association with the print control cam and be releasably engaged therewith; a paper feed control lever adapted to be moved in association with the paper feed control cam; a pawl lever adapted to be moved integrally with the paper feed control lever and be releasably engaged with the ratchet wheel; and an electromagnetic clutch capable of generating a first rotative output for driving the print control lever and a second rotative output for driving the paper feed control lever and the pawl lever, wherein the paper feed control cam has such a shape as to disengage the pawl lever from the ratchet wheel after printing of a type at a final column.