- 193 -6. MaintenanceReplacing Maintenance PartsThis section describes how to replace maintenance parts.• Replacing the Belt Unit• Replacing the Fuser UnitWhen the "Belt Unit Near Life" message appears on the display screen, prepare areplacement belt unit. You can keep printing approximately 1,000 pages until the nextmessage appears.When the "Please change Belt Unit" message appears, replace the belt unit.The life expectancy of the belt unit is approximately 60,000 pages for A4 simplex printing(three pages per job).• The actual number of pages you can print with the belt unit depends on how you use it.• Though opening and closing the output tray may extend the life of the belt unit somewhat, you should replace it soonafter the "Please change Belt Unit" is displayed to prevent malfunction.• If you replace the belt unit, use it until the end of its usable life. If you remove the belt unit and install and use anotherone before its usable life has expired, the use life will not be correctly displayed.• If you press the (SETTING) button on the operator panel and select [Admin Setup] > [Manage Unit] > [SystemSetup] and then set [Near Life LED] to [Disable], "Belt Unit Near Life" is not displayed.• The image drum (the green tube) is very delicate. Handle it carefully.• Do not expose the image drum to direct sunlight or very bright interior light (approximately more than 1,500 lux). Evenunder the normal interior light, do not leave it for more than 5 minutes.You can change the setting for displaying the "Belt Unit Near Life" message. The settings can be changed by pressingthe (SETTING) button on the operator panel and selecting [Admin Setup] > [User Install] > [Belt Near LifeTiming]. Available values are from 500 to 3,000 (in 500 increments).1 Prepare a replacement belt unit.Replacing the Belt Unit
