Durable printer developer

The utility model discloses a durable printer developer which comprises a bottom box and a cleaning unit, the cleaning unit is arranged in the bottom box; the inner side wall of the bottom box is rotationally connected with a first rotating shaft. The side wall of the first rotating shaft is fixedly connected with a first sleeve; through the arranged cleaning unit, the output end of a motor drives a first roller to rotate, a scraping plate fixedly connected with the side wall of the first roller cleans the side wall of a first sleeve, carbon powder fixing blocks attached to the side wall of the first sleeve are scraped off, the carbon powder fixing blocks are prevented from being attached to the side wall of the first sleeve, and then a first gear drives a second gear to rotate; the cleaning plate is driven to rub the side wall of the scraping plate, so that the cleaning effect of the scraping plate on the side wall of the first sleeve is improved, and the image developing concentration is prevented from bein