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Brother MFC-9840CDW manual Cleaning the drum unit

Models: MFC-9840CDW

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Page 177

Troubleshooting and routine maintenance

j Push the drum unit in until it stops.	Cleaning the drum unit
	If you have the following print quality
	problems, clean the drum unit as follows.

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.		ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
		ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.		ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.		ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

75 mm / 2.95 in.

75 mm / 2.95 in.

C

k Close the front cover of the machine.

l Plug the machine’s power cord back into the AC power outlet first, and reconnect all cables and telephone line cord. Turn on the machine’s power switch.

a Press the front cover release button and then open the front cover.

b Close the front cover of the machine. The machine starts warming up, wait until it finishes warming up before going on to step c.

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Image 177

Brother MFC-9840CDW manual Cleaning the drum unit

Contents

USER’S Guide If you need to call Customer Service FAQs frequently asked questions Brother numbersRegister your product For Customer Service Service Center Locator USA onlyService Center Locations Canada only Canada Ordering accessories and suppliesDescription IiiCompilation and Publication Notice USA and CanadaWhat is the length of the Warranty Periods What is coveredWhat is not covered Who is coveredWhat Brother will do What you must provideLimitations Vii Canada onlyTable of Contents Sending a fax Section II FaxTelephone services and external devices Section IV Walk-up printing Section III CopySection V Software Section VI AppendixesXii Xiii Troubleshooting and routine maintenance 114Xiv Specifications 224General Accessing the User’s Guides Using the documentationGeneral information BoldViewing documentation How to find scanning instructionsViewing documentation Windows Software Users GuidePresto! PageManager Users Guide Accessing Brother support For Windows Control panel overview Resolution Mode keys FaxCopy keys Contrast/Quality Enlarge/ReduceJob Cancel Print keys DirectSecure LED Status Status LED indicationsAgain Machine Status DescriptionAcceptable paper and other media Loading paper and documentsRecommended paper Type and size of paperPaper capacity of the paper trays Recommended paper specificationsTray and optional unit Name Paper size Paper types No. of sheetsHandling and using special paper Types of paper to avoidMm or greater Feeding direction EnvelopesTypes of envelopes to avoid Unprintable area for copies Unprintable areaLabels Types of labels to avoidPortrait Loading paper and envelopesLandscape 16 in .23 mmLoading plain paper in the paper tray Loading paper and documents Loading documents Using the ADF automatic document feederSingle-sided document Sided documentUsing the scanner glass Mode timer General setupPaper settings Paper typePaper size Tray use in copy modeTray use in print mode Tray use in fax modeRing volume Volume settingsBeeper volume Speaker volumeAutomatic daylight savings time Ecology featuresToner save Sleep timeDial Prefix LCD contrastSetting lock Security featuresSetting up the password Changing your setting lock passwordTurning setting lock on Turning setting lock on/offTurning setting lock off Secure Function LockSetting up the Public user Setting the password for the administratorTurning Secure Function Lock on/off Setting up restricted usersTurning Secure Function Lock on Turning Secure Function Lock offSwitching Users When Copy mode is disabledWhen Scan mode is disabled Fax Entering fax mode How to faxSending a fax Sending a single-sided fax from the ADFChanging a 2-sided fax layout Sending a fax from the scanner glassLong edge Short edgeCanceling a fax in progress Broadcasting black & white onlyUse the Search/Speed Dial to help you choose numbers easily Sending faxes using multiple settings Canceling a broadcast in progressAdditional sending operations Send a cover page for the next fax Composing your own commentsUsing a printed cover ContrastSend a cover page for all faxes Dual access Black & white only Changing fax resolutionTo change the fax resolution for the next fax To change the default fax resolutionDelayed fax Black & white only Overseas modeReal time transmission Sending in real time for all faxesDelayed batch transmission black & white only Checking and canceling waiting jobsOut of memory message Sending a fax manuallyManual transmission Sending a fax at the end of a conversationChoose the correct Receive Mode Receiving a faxDo you expect to receive very few faxes? Fax Only Using receive modesFax/Tel ManualReceive mode settings Ring delayRing time Easy receive Setting the print densityDuplex 2-sided printing for Fax mode Additional receiving operationsPrinting a reduced incoming fax Receiving a fax at the end of a conversation Setting the fax receive stamp black & white onlyPrinting a fax from the memory Press Black Start or Color Start Press Stop/ExitTelephone services and external devices Telephone line servicesVoice Mail What does your telephone company’s ‘Distinctive Ring’ do? Distinctive ringDo you have voice mail? What does Brother’s ‘distinctive ring’ do?Before you choose the ring pattern to register Registering the distinctive ring pattern Very importantRing Rings Pattern Turning off distinctive ring Connecting an external TAD telephone answering deviceConnections Special line considerationsRoll over telephone lines Converting telephone wall outlets Two-line telephone systemExternal and extension telephones For Fax/Tel mode onlyMulti-line connections PBX Operation from extension telephonesConnecting an external or extension telephone Using a non-Brother cordless external handsetUsing remote codes Dialing and storing numbers How to dialManual dialing One-touch dialingLdap Search SearchFax redial Press Search/Speed DialStoring numbers Storing a pauseStoring one-touch dial numbers Fax/Tel. Press OK Storing speed-dial numbersChanging one-touch and speed-dial numbers Setting up groups for broadcasting Dialing access codes and credit card numbers PauseTone or pulse Canada only Remote fax options black & white only Fax forwardingRemote fax options are not available for color fax Fax storage Paging0 0 5 5 5 1 2 3 4 # # # #PC Fax Msg001 PC fax receiveTurning off remote fax options Changing remote fax optionsSetting a remote access code Using your remote access codeRemote retrieval Changing the fax forwarding number Retrieving fax messagesChange the receive mode Remote fax commandsRetrieve a fax Check the receiving statusPolling Polling receiveSequential polling Polled transmit black & white only Setup for polled transmitFax reports Printing reportsTransmission verification report Fax journalHow to print a report ReportsPress Black Start or Color Start. d Press Stop/Exit Chapter Copy Making copies How to copyImproving copy quality Copy options temporary settingsEnlarging or reducing the image copied Press Contrast/QualityMaking N in 1 copies page layout If you are using the scanner glass, go to gPress Enlarge/Reduce Press Black Start or Color Start to scanDuplex Copy long edge Duplex 2-sided copying„ 2 in 1 P „ 2 in 1 L „ 4 in 1 P „ 4 in 1 L „ 2 in 1 P „ 2 in 1 L „ 4 in 1 PAdvanced Duplex Copy short edge Brightness Sorting copies using the ADFColor saturation ContrastTray selection Out of memory messagePress Tray Select Press Tray SelectChapter Walk-up printing Using PictBridge Before using PictBridgeSetting your digital camera Printing photos from a digital cameraPrinting images Machine settings Default settingsConnecting a camera as a storage device Understanding the error messagesDpof printing Printing data from a USB flash memory drive Supported file formatsCreating a PRN or PostScript 3 file for direct printing Printing data directly from the USB flash memory drive Press Black Start or Color Start to print the data Press Black Start or Color Start if you have finishedChapter Software How to read Html User’s Guide Software and network featuresFor Windows For Macintosh114 110204 224Choosing a location Safety and legalTo use the machine safely 100 101 Important Safety InstructionsImportant information Standard telephone and FCC notices102 103 104 Important-about the interface cableIndustry Canada Compliance Statement Canada only Laser safetyDisconnect device LAN connectionFDA regulations Important safety instructionsManufactured 106107 108 Legal limitations for copying109 TrademarksOptions OptionsLower tray unit Dimm memory 110Installing the optional paper tray Optional paper tray111 Memory board For Macintosh users112 113 Installing extra memoryTroubleshooting Troubleshooting and routine maintenanceIf you are having difficulty with your machine Printing or receiving faxesSending faxes Telephone line or connectionsHandling incoming calls 115Copy quality difficulties Menu access difficultiesPrinting difficulties 116Scanning difficulties Software difficulties117 Print quality difficulties Paper handling difficultiesNetwork difficulties 118119 Network difficulties120 Firewall and click Change settingsImproving the print quality Examples of poor print Recommendation Quality121 122 Toner cartridge on123 Examples of poor print quality124 125 Enter the correction value on the chart. Press Menu, 4, 8Device Options, Print Setting, and then check Improve pattern printing or Improve Thin Line boxes126 127 Choosing a location on128 Curled or wave129 Abcdefg130 Steps131 Examples of poor print Recommendation QualitySetting dial tone detection Telephone line interference132 Error Message Cause Action Error and maintenance messagesPress Black Start or Color Start and try it 133134 Waste Toner Box135 Document Jam„ Press Black Start or Color Start to send or Fax sending or copy operation in progressPrint operation in process 136Press Black Start or Color Start and try again Press Stop/Exit137 138 Toner LowTransferring faxes to your PC Checking if the machine has faxes in its memoryTransferring faxes to another fax machine 139Document is jammed in the top of the ADF unit Document jamsDocument is jammed under the document cover Document is jammed at the output trayDocument is jammed in the duplex slot Paper jamsPaper is jammed in the MP tray 141142 Paper is jammed in Paper Tray 1 or Tray143 Paper is jammed inside the machine144 145 146 147 148 Paper is jammed at the back of the machine149 150 Paper is jammed underneath Paper Tray 1 or in the fuser unit151 Cleaning the outside of the machine Routine maintenanceClean the outside of the machine as follows 152153 Cleaning the scanner154 Cleaning the laser scanner windows155 156 157 158 Cleaning the corona wiresTroubleshooting and routine maintenance 160 Cyan Magenta Yellow Black161 Cleaning the drum unit162 163 164 165 166 Cyan Magenta Yellow Black 167 168 Push the drum unit in until it stops169 Replacing the consumable itemsToner Low 170PF Kit MP 171Toner low message Replacing a toner cartridgeToner life end message 172173 Replacing the toner cartridges174 175 Cyan Magenta Yellow Black 176 Change Parts Drum message Replacing the drum unitReplacing the drum unit 177178 179 180 Cyan Magenta Yellow Black 181 182 Change Parts Belt Unit message Replacing the belt unitReplacing the belt unit 183184 185 186 187 Change Parts Waste Toner Box message Replacing the waste toner boxWaste Toner Box Full message Replacing the waste toner box189 190 191 192 193 194 Packing and shipping the machineRepacking the machine 196 197 198 199 200 201 Checking the serial number Machine informationChecking the page counters 202203 Checking the remaining life of partsOn-screen Menu keys Programming Menu and featuresMenu table Memory storage205 How to access the menu mode206 Menu table207 Nnonn+ 208209 Ring DelayPrint Sample 210Every 50 Faxes 211Printer Emulation Auto 212Printer Duplex Off 2131in1 214215 Resolution Color 150 dpiAlphabetic 216TCP/IP 217LAN Wlan TCP/IP 218Ifax 219Mail 220Info 221Inserting spaces Entering textMaking corrections Repeating letters223 Special characters and symbolsWeight Without Drum/Toner Unit 73.2 lb 33.3 kg SpecificationsGeneral 224Noise level TemperatureHumidity 225Paper Input Paper Tray Print mediaDuplex 226Fax Copy Speed Copy Speed for Duplex Copying CopyColor/Monochrome Single-Sided Document Size 228Scan Print LAN cable Wireless LANInterfaces 230Direct print feature Interface231 Computer requirements Consumable items Network board model name Ethernet wired networkSupport for Protocols Network type Management utilities 234235 Ethernet wireless networkAuthentication method Authentication and encryption for wireless users onlyEncryption methods 236Wi-Fi Alliance certification Network key237 Glossary Fine resolution ECM Error Correction ModeMenu mode Easy ReceiveRemote Access Code Overseas ModeRemote Retrieval Access Ring DelayTemporary settings Telephone Answer Code Fax/Tel mode onlyUser Settings List Tone242 Index243 Telephone answer code Fax forwarding244 Fax/Tel mode Answering at extension245 246 Reports Fax Journal247 Equipment Attachment Limitations Visit us on the World Wide Web