the user should clean the printer every six months or after 50,000 prints, whichever occurs first. if you experience paper feed problems, or if the print head carriage movement becomes restricted, cleaning should be carried out more often.

    the page counter (pgcnt) in the print-test 3 will give you information about actual number of printed pages.

   

    the number following pm1 identifies the micro program and the number following pm3 identifies the character set.