Oki MPS420b User Manual

Also see for MPS420b: Maintenance manual Material safety data sheet

Contents

Oki MPS420b User Manual Manual pdf 51 page image

Consumables and Maintenance > 51IMAGE DRUM LIFEThe life of an image drum depends on a number of factors, including temperature andhumidity, the type of paper used, and the number of pages per job.The image drum should last approximately 25,000 pages continuous printing. Thisnumber is approximate because different numbers of pages are printed each time andthe environmental conditions and the paper type used may vary.WHEN TO REPLACE THE IMAGE DRUMWhen the drum reaches 90% of its life, a CHANGE DRUM message is displayed in theoperator panel LCD. Change the image drum when the print becomes faint or begins todeteriorate.R EPLACING THE IMAGE DRUM.1. Press the cover release and open the printer’s top cover fully.WARNING• Never expose the image drum to an open flame. It can causean explosion and you can be burned.• Be sure to switch off and unplug the machine beforeaccessing the interior of a machine for cleaning, maintenanceor fault clearance. Access to a live machine’s interior cancause electric shock.NoteIt is recommended that you change the toner cartridge and clean the LEDarray at the same time as you change the image drum.WARNING!If the printer has been powered on, the fuser may be hot. Thisarea is clearly labelled. Do not touch.