Oki Data CONFIDENTIAL43085101TH Rev.1 219 /7.5.3.(3) Blank Print (Fig.7.2 C )(3-1)Blank on the whole pageRemaining quantity of tonerLED headConnected state of LED headDrum shaftID unit terminalConfirmation Items(3-1-1) State of toner(3-1-2) State of exposure(3-1-3) High-voltage terminalConfirmation TasksCheck to see if a sufficient quantity of toner remains in the tonercartridge.Check to see if the LED head faces the drum properly in theprescribed position when the cover is closed. Also check to seeif there is something on the light-emitting surface of the LEDhead that obstructs the light emission.Check to see if the LED head is properly connected.Check to see if the drum shaft is so mounted that it properlytouches the right and left side plates.Ensure visually that the high-voltage terminal of the ID unit isproperly in contact with the contact ASSY (see Figure 7-3).Action at NGReplace the tonercartridge.Correct the installedposition of the LEDhead.Replace the LED head.Replace the ID unit. Touse a new ID unit on atrial basis, use FUSEKEEP MODE of theSystem MaintenanceMenu.Replace the ID unit orhigh-voltage PCB. Or,modify high-voltageterminal. To use a newID unit on a trial basis,use FUSE KEEPMODE of the SystemMaintenance Menu.
