Jacques Reymond10 months ago000I get the message "change/install used toner box" what should I do?Show in original language (French)Benny_B10 months ago000 Helpful answerThis means that the waste toner container, which is full and needs to be replaced (located on the far left of the machine), collects the excess toner left over from printing.Can be ordered here: HP 5KZ38APS: the google search in Dec 24 helped me with the same message... just a tip.Show in original language (German)Comment