question: In printers and copiers , what do stepper motors move ?
answer: print head carriage ( of dot matrix and inkjet printers ) , and the platen or feed rollers
turker_answer: The steepers in printers and copiers move the print head carriage ( of dot matrix and inkjet printers ) , and the platen or feed rollers .
rule-based: In printers and copiers , stepper motors move print head carriage ( of dot matrix and inkjet printers ) , and the platen or feed rollers .