Oki B721 User Manual
Also see for B721: User manualUser manual
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Contents
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- 130 -Replacing the Fuser Unit and Transfer Roller5 Maintenance●● Replacing the Fuser Unit and Transfer RollerLife Span of a Fuser Unit and aTransfer RollerWhen the [Fuser Unit Near Life] message isdisplayed on the display screen of the operatorpanel, prepare a new fuser unit and a transferroller. You can keep printing approximately 3,000sheets until the next message is displayed.When [Fuser Unit Life] is displayed, replacethe fuser unit and transfer roller.The life expectancy of the fuser unit and transferroller is up to 200,000 sheets for A4 simplexprinting.Note● The actual number of sheets you can print with the fuserunit and transfer roller depends on how you use theprinter.● Though opening and closing the top cover may extend thelife of the fuser unit and transfer roller somewhat, youshould replace it soon after [Fuser Unit Life] is displayedto prevent malfunction.● If you replace the fuser unit and transfer roller, use themuntil the end of their usable lives. If you remove thefuser unit and/or transfer roller before their usable liveshave expired and install and use for another printer, theirusable lives will not be correctly displayed.● When [Near Life Status] (to be accessed by pressingthe button then selecting [Admin Setup] then [PanelSetup]) is set to [Disable], the [Fuser Unit Near Life]message does not appear. Maintenance KitThe Maintenance Kit is composed of the fuserunit and the transfer roller.Fuser unitTransfer rollerReplacement ProcedureNote● Do not expose the image drum to direct sunlight or verybright interior light (approximately more than 1,500 lux).Even under the normal interior light, do not leave it formore than 5 minutes.1 Prepare a new fuser unit and a transferroller.2 Turn off your printer by pressing thepower switch.Reference● “Turning On/Off the Power” P.283 Insert your finger into the recess onthe right side of the printer and pull thefront cover open lever (1) to open thefront cover (2) forward.Note● Open the front cover gently. If you open it rapidly,the MP Tray may open.12 |
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