Chapter 3 Maintenance3-3Pull back the lock lever 1 to the LOCK position asshown by the arrow to fix the toner container.Close the top cover.Reset the toner counter to keep the toner gauge dis-play accurate. SeeResetting Remaining TonerCounter on page 1-53 for details.Continue to cleaning the internal parts of the printer on thenext page.Clean the internal parts of the printer whenever you replacea toner container. To ensure the best printing quality, cleanthe internal parts periodically (once a month).The Replace toner message will change to Cleanprinter after you replace the toner container. This messagewill be cleared when you press the GO key after cleaning.Cleaning the Internal Parts of the PrinterTake the following steps to clean the internal parts of theprinter.Open the top cover and front cover.Lift the process unit together with the toner contain-er out of the printer.• Place the process unit in a level location. Do notstand it.• Do not touch the drum (green-colored) in the processunit or expose it to light. Return the process unitpromptly when you have finished cleaning.CleaningNOTE101112NOTE12
