Brother HL-720 manual Cleaning the Primary Corona Wire

Page 54

English: HL-YL User’s Guide, Chapter 5

USER’S GUIDE

6. Clean the primary corona wire inside the drum unit by gently sliding the tab to the right and left several times.

Home Position (▲)

Fig. 5-23 Cleaning the Primary Corona Wire

7.Return the tub to the home position (▲ mark position) before reinstalling drum unit.

!Caution

Be sure to position the tab at the home position, or printed pages may have vertical stripes.

8.Install the drum unit into the printer.

See the section “REPLACING THE DRUM UNIT” in Chapter 5.

9.Close the top cover.

10.Plug in the power cord and turn on the power switch.

5–14

Image 54

Contents Please read this manual thoroughly before using the printer Brother Laser PrinterShipment of the Printer Laser Printer HL-700 Series User’s Guide Trademarks Compilation and Publication NoticeDefinitions of Warnings, Cautions, and Notes To Use the Printer SafelyTable of Contents Maintenance Index-1Regulations Industry Canada Compliance Statement For Canada OnlyRadio Interference 220-240 V Model Only Declaration of Conformity For Europe Geräuschemission / Acoustic Noise Emission For Germany Only Important Wiring Information For U.K. only Finding Out How to Use the Printer About the GuidebooksAbout Your Printer Printer Overview Paper SupportFeatures Dpi Resolution and 6 ppm Printing SpeedVersatile Paper Handling USER’S Guide Enhanced Memory Management Environment-Friendly Economy Printing ModeSleep Mode Power Save Mode Low Running CostPower Supply Operating and Storage EnvironmentEnvironment Introduction Blank Paper Specifications Paper TypePaper Size Fan the Paper Straighten the Paper Envelopes MULTI-PURPOSE Sheet Feeder Loading Paper into the Feeder Opening the Feeder Loading Paper or Envelopes in the FeederMoving the Paper Guide Closing the Feeder Two Side Printing Manual Duplexing When you load one sheet of paper manually When you load more than one sheet of paper manuallyManual Feed Slot Paper Handling Output Tray and Paper Support Wire Opening the Output Tray Extending the Extension Support WireLamps and Switch Ready Paper LampAlarm Lamp Data Toner LampDrum Lamp Other Control Features SwitchTest Print Mode Lamp Lit Choice FunctionChapter Options Selecting the RS-422A Apple or RS-232C IBM Serial InterfaceSetting the Serial Interface Parameters Selecting the RS-422A Apple Or RS-232C IBM Serial InterfaceDTR only BitsBit OffConnecting the Serial Interface Cable NoneOptions Memory Board Chapter Maintenance Replacing the Toner CartridgeRemoving the Drum Unit Turning the Lever to Close the Shutter Removing the Old Toner Cartridge Installing the Toner Cartridge Into the Drum Unit Replacing the Drum Unit Drum Unit Nearly at the End of its Life10 Removing the Drum Unit ∙ Do not remove the starter sheet 12 Removing the Toner Cartridge15 Installing the Drum Unit Adjusting the Print Density 17 Adjusting the Print Density DialCleaning the Printer Cleaning the Printer ExteriorCleaning the Printer Interior and Drum Unit 20 Turning off the Switch and UnpluggingToner Sensor Electric Terminal Gears Scanner Window 23 Cleaning the Primary Corona Wire 24 Removing the Drum Unit Assembly RE-PACKING the Printer25 Placing the Drum Unit in the Plastic Bag Alarm Indications AT a Glance Operator CallsUSER’S Guide Troubleshooting Service Calls NV-RAMPaper Jams Locating Paper Jam PositionDo Not Pull the Jammed Paper from the Output Tray Paper Jam near the Drum Unit Question Setting Up the Printer HardwareSetting Up the Printer for Windows RecommendationSetting Up the Printer for DOS For HL-730 series Only Paper Handling Printing Print Quality White Stripes or Faint ImagesToner scatters and stains the printed Printed pages are blurred at the center or either edge Printer Specifications Appendix aFunctions Electrical and Mechanical Parallel Interface Specifications Fig. A-1 Parallel Interface Cable Resident Fonts For HL-730 series Only Symbol SETS/CHARACTER Sets For HL-730 series Only IBM mode Epson mode HP modeHP LaserJet IIP HP LaserJet IIP, Epson FX-850, IBM Propritner XL USER’S Guide Index Sleep mode Slide switch For USA & Canada Only UL6857001 a