Oki Data CONFIDENTIAL43163501TH Rev. 1 161 /7.5.3.(1) Color is totally pale (Figure 7.2 A )(1-1) Color is paleResidual tonerTape of toner cartridgeopeningLens of LED headMounting condition of LEDheadMedium typeID unit terminalDown position of ID unit(defective copy function)Confirmation TasksConfirm that "TONER LOW" or "TONER EMPTY" is not shownin the operation panel.Check whether tape of toner cartridge opening is peeled off.Check whether the surface of lens of LED head gets dirty fromtoner and paper scrap.Check whether the LED head is correctly installed to the LEDholder.Check whether right and left tension spring is correctly installed.Check whether the printed media is especially thick.By visual inspection, check whether the high-voltage terminalsof ID unit are normally contacted with contacting ASSY. (Pleaserefer to Figure 7-3)Try to move the ID unit in and out by hand, check whether IDunit can go down to correct down position without abnormalload.If paper can be easily inserted between the drum and the belt, itmeans NG.Action at NGReplace the tonercartridge with a newone.Keep the lever of thetoner cartridge in closestate and peel off thetape of the opening.Clean the lens by LEDhead lens cleaner.Remount normally.Please use specifiedpaper.Replace the ID unit orcorrect the high-voltageterminals.When trying to use anew ID unit, please becareful not to break thefuse with jig inside theID unit. (Please refer topage 132)Check the U ditch ofthe side plate. If it isimpossible to berepaired, pleasereplace the equipment.(1-1-5) Mounting condition of ID unit(1-1-1) Toner(1-1-2) LED head(1-1-3) Printing media(1-1-4) High voltage terminalConfirmation Items