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Brother MFC-9840CDW manual Troubleshooting and routine maintenance

Models: MFC-9840CDW

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Troubleshooting and routine maintenance

Troubleshooting

IMPORTANT

For technical help, you must call the country where you bought the machine. Calls must be made from within that country.

If you are having difficulty with your machine

If you think there is a problem, check the chart below and follow the troubleshooting tips. You can solve most problems by yourself.

If you need additional help, the Brother Solutions Center offers the latest FAQs and troubleshooting tips.

Visit us at http://solutions.brother.com.

Printing or receiving faxes

	Difficulties	Suggestions
	Condensed print	Usually this is caused by a poor telephone connection. If your copy looks good,
	Horizontal streaks	you probably had a bad connection, with static or interference on the telephone
	Horizontal streaks	line. Ask the other party to send the fax again.
	Top and bottom sentences are	line. Ask the other party to send the fax again.
	Top and bottom sentences are
	cut off
	Missing lines

	Poor print quality	See Improving the print quality on page 121.

	Vertical black lines when receiving	One of the corona wires for printing may be dirty. Clean the four corona wires.
		(See Cleaning the corona wires on page 158.)

		The sender’s scanner may be dirty. Ask the sender to make a copy to see if the
		problem is with the sending machine. Try receiving from another fax machine.

		If the problem continues, call Brother Customer Service at 1-877-BROTHER
		(1-877-276-8437) (in USA) or 1-877-BROTHER (in Canada).

	Received faxes appear as split or	If the received faxes are divided and printed on two pages or if you get an extra
	blank pages.	blank page, your paper size setting may not be correct for the paper you are using.
		(See Paper size on page 23.)

		Turn on auto reduction. (See Printing a reduced incoming fax on page 48.)

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Brother MFC-9840CDW manual Troubleshooting and routine maintenance

Contents

USER’S Guide If you need to call Customer Service Brother numbers FAQs frequently asked questionsRegister your product Service Center Locator USA only For Customer ServiceService Center Locations Canada only Description Ordering accessories and suppliesCanada IiiUSA and Canada Compilation and Publication NoticeWhat is not covered What is coveredWhat is the length of the Warranty Periods Who is coveredWhat you must provide What Brother will doLimitations Canada only ViiTable of Contents Section II Fax Sending a faxTelephone services and external devices Section III Copy Section IV Walk-up printingSection VI Appendixes Section V SoftwareXii Troubleshooting and routine maintenance 114 XiiiSpecifications 224 XivGeneral General information Using the documentationAccessing the User’s Guides BoldViewing documentation Windows How to find scanning instructionsViewing documentation Software Users GuidePresto! PageManager Users Guide Accessing Brother support For Windows Control panel overview Copy keys Contrast/Quality Mode keys FaxResolution Enlarge/ReducePrint keys Direct Job CancelSecure Status LED indications LED StatusMachine Status Description AgainRecommended paper Loading paper and documentsAcceptable paper and other media Type and size of paperTray and optional unit Name Recommended paper specificationsPaper capacity of the paper trays Paper size Paper types No. of sheetsTypes of paper to avoid Handling and using special paperMm or greater Envelopes Feeding directionTypes of envelopes to avoid Labels Unprintable areaUnprintable area for copies Types of labels to avoidLandscape Loading paper and envelopesPortrait 16 in .23 mmLoading plain paper in the paper tray Loading paper and documents Single-sided document Using the ADF automatic document feederLoading documents Sided documentUsing the scanner glass Paper settings General setupMode timer Paper typeTray use in copy mode Paper sizeTray use in fax mode Tray use in print modeBeeper volume Volume settingsRing volume Speaker volumeToner save Ecology featuresAutomatic daylight savings time Sleep timeLCD contrast Dial PrefixSetting up the password Security featuresSetting lock Changing your setting lock passwordTurning setting lock off Turning setting lock on/offTurning setting lock on Secure Function LockSetting the password for the administrator Setting up the Public userTurning Secure Function Lock on Setting up restricted usersTurning Secure Function Lock on/off Turning Secure Function Lock offWhen Copy mode is disabled Switching UsersWhen Scan mode is disabled Fax Sending a fax How to faxEntering fax mode Sending a single-sided fax from the ADFLong edge Sending a fax from the scanner glassChanging a 2-sided fax layout Short edgeBroadcasting black & white only Canceling a fax in progressUse the Search/Speed Dial to help you choose numbers easily Canceling a broadcast in progress Sending faxes using multiple settingsAdditional sending operations Composing your own comments Send a cover page for the next faxContrast Using a printed coverSend a cover page for all faxes To change the fax resolution for the next fax Changing fax resolutionDual access Black & white only To change the default fax resolutionReal time transmission Overseas modeDelayed fax Black & white only Sending in real time for all faxesChecking and canceling waiting jobs Delayed batch transmission black & white onlyManual transmission Sending a fax manuallyOut of memory message Sending a fax at the end of a conversationReceiving a fax Choose the correct Receive ModeDo you expect to receive very few faxes? Fax/Tel Using receive modesFax Only ManualRing delay Receive mode settingsRing time Setting the print density Easy receiveAdditional receiving operations Duplex 2-sided printing for Fax modePrinting a reduced incoming fax Printing a fax from the memory Setting the fax receive stamp black & white onlyReceiving a fax at the end of a conversation Press Black Start or Color Start Press Stop/ExitTelephone line services Telephone services and external devicesVoice Mail Do you have voice mail? Distinctive ringWhat does your telephone company’s ‘Distinctive Ring’ do? What does Brother’s ‘distinctive ring’ do?Registering the distinctive ring pattern Very important Before you choose the ring pattern to registerRing Rings Pattern Connecting an external TAD telephone answering device Turning off distinctive ringSpecial line considerations ConnectionsRoll over telephone lines Two-line telephone system Converting telephone wall outletsMulti-line connections PBX For Fax/Tel mode onlyExternal and extension telephones Operation from extension telephonesUsing a non-Brother cordless external handset Connecting an external or extension telephoneUsing remote codes Manual dialing How to dialDialing and storing numbers One-touch dialingFax redial SearchLdap Search Press Search/Speed DialStoring a pause Storing numbersStoring one-touch dial numbers Storing speed-dial numbers Fax/Tel. Press OKChanging one-touch and speed-dial numbers Setting up groups for broadcasting Pause Dialing access codes and credit card numbersTone or pulse Canada only Fax forwarding Remote fax options black & white onlyRemote fax options are not available for color fax 0 0 5 5 5 1 2 3 4 # # PagingFax storage # #PC fax receive PC Fax Msg001Changing remote fax options Turning off remote fax optionsUsing your remote access code Setting a remote access codeRemote retrieval Retrieving fax messages Changing the fax forwarding numberRetrieve a fax Remote fax commandsChange the receive mode Check the receiving statusPolling receive PollingSequential polling Setup for polled transmit Polled transmit black & white onlyTransmission verification report Printing reportsFax reports Fax journalReports How to print a reportPress Black Start or Color Start. d Press Stop/Exit Chapter Copy How to copy Making copiesEnlarging or reducing the image copied Copy options temporary settingsImproving copy quality Press Contrast/QualityPress Enlarge/Reduce If you are using the scanner glass, go to gMaking N in 1 copies page layout Press Black Start or Color Start to scan„ 2 in 1 P „ 2 in 1 L „ 4 in 1 P „ 4 in 1 L Duplex 2-sided copyingDuplex Copy long edge „ 2 in 1 P „ 2 in 1 L „ 4 in 1 PAdvanced Duplex Copy short edge Sorting copies using the ADF BrightnessContrast Color saturationPress Tray Select Out of memory messageTray selection Press Tray SelectChapter Walk-up printing Setting your digital camera Before using PictBridgeUsing PictBridge Printing photos from a digital cameraMachine settings Default settings Printing imagesUnderstanding the error messages Connecting a camera as a storage deviceDpof printing Supported file formats Printing data from a USB flash memory driveCreating a PRN or PostScript 3 file for direct printing Printing data directly from the USB flash memory drive Press Black Start or Color Start if you have finished Press Black Start or Color Start to print the dataChapter Software For Windows Software and network featuresHow to read Html User’s Guide For Macintosh204 110114 224Safety and legal Choosing a locationTo use the machine safely 100 Important Safety Instructions 101Standard telephone and FCC notices Important information102 103 Important-about the interface cable 104Disconnect device Laser safetyIndustry Canada Compliance Statement Canada only LAN connectionManufactured Important safety instructionsFDA regulations 106107 Legal limitations for copying 108Trademarks 109Lower tray unit Dimm memory OptionsOptions 110Optional paper tray Installing the optional paper tray111 For Macintosh users Memory board112 Installing extra memory 113If you are having difficulty with your machine Troubleshooting and routine maintenanceTroubleshooting Printing or receiving faxesHandling incoming calls Telephone line or connectionsSending faxes 115Printing difficulties Menu access difficultiesCopy quality difficulties 116Software difficulties Scanning difficulties117 Network difficulties Paper handling difficultiesPrint quality difficulties 118Network difficulties 119Firewall and click Change settings 120Examples of poor print Recommendation Quality Improving the print quality121 Toner cartridge on 122Examples of poor print quality 123124 Enter the correction value on the chart. Press Menu, 4, 8 125Improve pattern printing or Improve Thin Line boxes Device Options, Print Setting, and then check126 Choosing a location on 127Curled or wave 128Abcdefg 129Steps 130Examples of poor print Recommendation Quality 131Telephone line interference Setting dial tone detection132 Press Black Start or Color Start and try it Error and maintenance messagesError Message Cause Action 133Waste Toner Box 134Document Jam 135Print operation in process Fax sending or copy operation in progress„ Press Black Start or Color Start to send or 136Press Stop/Exit Press Black Start or Color Start and try again137 Toner Low 138Transferring faxes to another fax machine Checking if the machine has faxes in its memoryTransferring faxes to your PC 139Document is jammed under the document cover Document jamsDocument is jammed in the top of the ADF unit Document is jammed at the output trayPaper is jammed in the MP tray Paper jamsDocument is jammed in the duplex slot 141Paper is jammed in Paper Tray 1 or Tray 142Paper is jammed inside the machine 143144 145 146 147 Paper is jammed at the back of the machine 148149 Paper is jammed underneath Paper Tray 1 or in the fuser unit 150151 Clean the outside of the machine as follows Routine maintenanceCleaning the outside of the machine 152Cleaning the scanner 153Cleaning the laser scanner windows 154155 156 157 Cleaning the corona wires 158Troubleshooting and routine maintenance Cyan Magenta Yellow Black 160Cleaning the drum unit 161162 163 164 165 166 Cyan Magenta Yellow Black 167 Push the drum unit in until it stops 168Replacing the consumable items 169170 Toner Low171 PF Kit MPToner life end message Replacing a toner cartridgeToner low message 172Replacing the toner cartridges 173174 175 Cyan Magenta Yellow Black 176 Replacing the drum unit Replacing the drum unitChange Parts Drum message 177178 179 180 Cyan Magenta Yellow Black 181 182 Replacing the belt unit Replacing the belt unitChange Parts Belt Unit message 183184 185 186 187 Waste Toner Box Full message Replacing the waste toner boxChange Parts Waste Toner Box message Replacing the waste toner box189 190 191 192 193 Packing and shipping the machine 194Repacking the machine 196 197 198 199 200 201 Checking the page counters Machine informationChecking the serial number 202Checking the remaining life of parts 203Menu table Menu and featuresOn-screen Menu keys Programming Memory storageHow to access the menu mode 205Menu table 206207 208 Nnonn+Ring Delay 209210 Print Sample211 Every 50 Faxes212 Printer Emulation Auto213 Printer Duplex Off214 1in1Resolution Color 150 dpi 215216 Alphabetic217 TCP/IP218 LAN Wlan TCP/IP219 Ifax220 Mail221 InfoMaking corrections Entering textInserting spaces Repeating lettersSpecial characters and symbols 223General SpecificationsWeight Without Drum/Toner Unit 73.2 lb 33.3 kg 224Humidity TemperatureNoise level 225Duplex Print mediaPaper Input Paper Tray 226Fax Color/Monochrome Single-Sided Document Size CopyCopy Speed Copy Speed for Duplex Copying 228Scan Interfaces LAN cable Wireless LANPrint 230Interface Direct print feature231 Computer requirements Consumable items Support for Protocols Network type Management utilities Ethernet wired networkNetwork board model name 234Ethernet wireless network 235Encryption methods Authentication and encryption for wireless users onlyAuthentication method 236Network key Wi-Fi Alliance certification237 Glossary Menu mode ECM Error Correction ModeFine resolution Easy ReceiveRemote Retrieval Access Overseas ModeRemote Access Code Ring DelayUser Settings List Telephone Answer Code Fax/Tel mode onlyTemporary settings ToneIndex 242Telephone answer code Fax forwarding 243Fax/Tel mode Answering at extension 244245 Reports Fax Journal 246247 Equipment Attachment Limitations Visit us on the World Wide Web