Brother HL-600 manual Replacing the Drum Unit, Removing the Toner Cartridge

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CHAPTER 5 MAINTENANCE

REPLACING THE DRUM UNIT

The printer uses a drum unit to create the print images on. Check the print quality. If there has been a noticeable deterioration in the output print quality then the drum unit should be replaced.

✒Note

∙When removing the drum unit, handle carefully as it may contain toner.

∙You should clean the printer at the same time as you replace the drum unit. See “CLEANING THE PRINTER” in this chapter.

∙Discard the used drum unit according to local regulations. If you are not sure of them, consult your local dealer.

Follow these steps to replace the drum unit:

1.Unplug the printer.

2.Remove the multi-purpose sheet feeder. Remove the toner cartridge and keep it in a safe place.

See the chapter “REPLACING THE TONER CARTRIDGE” for more information.

Fig. 5-8 Removing the Toner Cartridge

5–5

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Contents HL-600 Series Shipment of the Printer For USA & Canada Only Laser Printer HL-600 Series User’s GuideCompilation and Publication Notice TrademarksTable of Contents Options Laser Safety For 110-120 V Model Only RegulationsRadio Interference For 220 240 V Model Only For Your Safety FDA RegulationsIEC 825 Laser Class For 220-240 V Model Only Disconnect device Manufactured atCanadian Department of Communications Compliance Statement Important For U.K. only Finding Out How to Use the Printer About the GuidebooksDefinitions of Warnings, Cautions, and Notes Printer Overview About Your PrinterDpi Resolution and 6ppm Printing Speed FeaturesBi-Directional Parallel Interface Power Supply Operating and Storage EnvironmentEnvironment USER’S Guide Chapter Paper Handling Paper SpecificationsFan the Paper Straighten the Paper Printable Area MULTI-PURPOSE Sheet Feeder Opening the Feeder Loading Paper or Envelope in the Feeder Loading Paper into the FeederMoving the Paper Guide Closing the Feeder Two Side Printing Manual Duplexing Manual Feed Slot Moving the Paper Guide Opening the Output Tray Extending the Paper Support Wire Output Tray and Paper Support WireReady Lamp LampsAlarm Lamp Data LampManual Lamp Switches Select Reset SwitchSelect Switch Reset Switch FF/CONTTEST SwitchFF/CONT Switch Test SwitchReprint Function Sleep ModeManual Test Print ModeReset/Hex Dump Mode USER’S Guide Serial Interface Board Chapter OptionsSelecting the RS-422A Apple Or RS-232C IBM Serial Interface Selecting the RS-422A Apple or RS-232C IBM Serial Interface3 4 5 6 7 Setting the Serial Interface ParametersBits Connecting the Serial Interface Cable 1MB Memory BoardReplacing the Toner Cartridge Chapter MaintenanceRemoving the Multi-Purpose Sheet Feeder Remove the old toner cartridge from the printer Installing the Toner Cartridge Into the Drum Unit Removing the Toner Cartridge Replacing the Drum UnitInside the printer Remove the protective parts ① ⑥ in order as shown below 13 Installing the Drum Unit 14 Adjusting the Print Density Dial Adjusting the Print DensityCleaning the Printer Exterior Cleaning the Printer15 Inside the printer Cleaning the Printer Interior and Drum Unit17 Cleaning the Printer Interior 18 Cleaning the Primary Corona Wire RE-PACKING the Printer 19 Removing the Drum Unit Assembly21 Repacking the Printer USER’S Guide Operator Calls Alarm Indications AT a GlanceUSER’S Guide Troubleshooting Service Calls Locating Paper Jam Position Paper JamsPaper Jam in the Feeder Paper Jam Inside the Printer Setting up the Printer for DOS Setting up the Printer HardwareSetting up the Printer for Windows Setting up the Printer for Apple Macintosh Computers Recommendations Paper HandlingPrinting White Stripes or Faint Images Print QualityWhite Spots 11 Black 13 Stained at Fixed Interval Appendices Printer SpecificationsElectrical and Mechanical FunctionsFig. A-1 Parallel interface cable Parallel Interface SpecificationResident Fonts IBM mode Epson mode HP mode Symbol SETS/ Character SetsHP LaserJet IIP HP LaserJet IIP, Epson FX-850, IBM Propritner XL Appendix-8 Index Index-2 III