Troubleshooting 7 - 38 OKIFAX 5300/5600Service Manual, P/N 592783012: Replace Image Drum MessageIs the MCNT Boardmounted properly?See ACTION 4.YesDoes the CHANGEDRUM SOON messageremain on display?NoTurn on power again.NoSee ACTION 3.Mount it properly.Yes** CHANGE DRUM SOON **Warning message to replaceID unit because of its life. This message warns the userthat the drum is at 90% of its life.User should be sure to havea drum on hand to replace whencopy quality begins to degrade.
