MAINTENANCE > 145CHANGING THE IMAGE DRUMWhen the image drum reaches the end of its product life, *** CHANGEDRUM is displayed in the control panel (*** is the colour name). Ifprinting continues without replacing the image drum, CHANGE ***IMAGE DRUM is displayed and printing is cancelled. Change the tonercartridge and clean the LED head at the same time as changing theimage drum. Image drum life is approximately 30 000 sheets of A4.(This assumes a typical office environment where 20% of print jobsare one page emails, 30% are 3 page word documents and 50 areprint runs of 15 pages or more).1. Switch off the printer and open the top cover.CAUTION!> Never expose the image drum to light for more than 5 minutes andnever expose the image drum to direct sunlight.> Never touch the surface of the green drum inside the image drumunit.
