Samsung SF-650 manual Copying problems, Condition Suggested Solution

Page 66

		CONDITION	SUGGESTED SOLUTIONS

Loose toner			• Clean the inside of the machine (See "Cleaning the inside" on page48).
			• Check the paper type and quality (See "Print media specifications" on page71).
			• Remove the toner cartridge and then, install a new one (See "Replacing the toner
			cartridge" on page68).
			• If the problem persists, the machine may require repair. Contact a service representative.

Character Voids

Character voids are white areas within parts of characters that should be solid black:

•You may be printing on the wrong surface of the paper. Remove the paper and turn it around.

•The paper may not meet paper specifications (See "Print media specifications" on A page71).

Horizontal stripes				If horizontally aligned black streaks or smears appear:
				• The toner cartridge may be installed improperly. Remove the cartridge and reinsert it.
		A a B b C		• The toner cartridge may be defective. Remove the toner cartridge and install a new one
		A a B b C		(See "Replacing the toner cartridge" on page68).
		A a B b C		• If the problem persists, the machine may require repair. Contact a service representative.
		A a B b C
		A a B b C
		A a B b C

Curl				If the printed paper is curled or paper does not feed into the machine:
				• Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray.

Copying problems

CONDITION	SUGGESTED SOLUTION

Copies are too light or too	Use Darkness in Copy Setup to lighten or darken the backgrounds of copies (See
dark	"Changing the darkness" on page31).
Smears, lines, marks, or	• If the defects are on the original, use Darkness in Copy Setup to lighten the
spots appear on copies.	background of your copies (See "Changing the darkness" on page31).
Copy image is skewed.	• Ensure that the original is face down in the document feeder.
	• Check that the copy paper is loaded correctly.
Blank copies print out.	Ensure that the original is face down in the document feeder.
Image rubs off the copy	• Replace the paper in the tray with paper from a new package.
easily.	• In high humidity areas, do not leave paper in the machine for extended periods of
	time.

Troubleshooting_ 65

Image 66

Contents Page Copyright CopyrightContentds Using toner saving feature Using power saving featureContentds Resolution Darkness CopyingCleaning the drum Checking display messagesSafety information Safety informationImportant safety symbols Operating environmentOperating method Installation / Moving Maintenance / CheckingSupply usage Regulatory information Laser Safety StatementOzone Safety Regulatory informationRecycling Correct disposal of batteries in this productTaiwan only Germany only Fax Branding Radio Frequency EmissionsRussia only FCC Information to the UserRinger Equivalence Number Replacing the Fitted Plug for UK OnlyYou should also know that Approvals and Certifications Declaration of Conformity European CountriesImportant warning EC CertificationChina only About this user’s guide About this user’s guideConvention Conventio Description ExampleMaterial Name Description Quick Install GuideFinding more information Instructions in the guide to prepare the machineFeatures of your new product Special FeaturesFeatures of your new product Front view IntroductionMachine overview IntroductionRear view Control panel overview Introducing the useful button Power LEDUnderstanding the Status LED Turning on the machineBasic setup Setting up the hardwareBasic setup Setting sounds Setting the date and timeChanging the clock mode Changing the display languageKeypad letters and numbers Entering characters using the number keypadEntering alphanumeric characters Correcting numbers or namesUsing the save modes Setting the paperLoading originals Media and trayPreparing originals Document feederSelecting print media Guidelines to select the print mediaCopy mode Media sizes supported in each modeMode Size Source Fax modeLoading paper in the tray TrayLetterhead/ Preprinted paper Setting the paper size and typeUsing the output support SINGLE-SIDED DOUBLE-SIDEDChanging the settings for each copy CopyingBasic copy Changing the default copy settings Setting copy timeoutTo scale the copy by directly entering the scale rate Preparing to fax Setting the fax headerFaxing Sending a faxConfirming a transmission Delaying a fax transmissionSending a fax manually Automatic redialingSending a priority fax Adding documents to a reserved delay fax jobCanceling a reserved delay fax job Sending a fax in toll save timeReceiving faxes manually using an extension telephone Receiving manually in Tel modeReceiving automatically in Answering Machine/Fax mode Receiving a faxActivating secure receiving mode Receiving faxes using Drpd modeReceiving in secure receiving mode Deactivating secure receiving modeAdjusting the document settings Forwarding a fax to other destinationSetting up address book Registering a group dial number Using group dial numbersGroup dial numbers Editing a group dial numberPrinting sent fax report automatically Changing the fax setup options Machine status and advanced featureFax setup Available fax setup optionsUsing the advanced fax settings Advanced fax setting optionsChange Default Copy setupChanging the copy setup options Printing a reportClear All Mem Menu overview Items OptionMachine status and advanced feature Cleaning the outside MaintenanceCleaning a machine Cleaning the insideCleaning the scan unit Maintenance Handling instructions Cleaning the drumStoring the Toner cartridge Use of non-Samsung and refilled toner cartridgeTips for moving & storing your machine Troubleshooting TroubleshootingRedistributing toner Clearing original document jams Input MisfeedTips for avoiding paper curls Exit MisfeedPressure lever Tips for avoiding paper jams Clearing paper jamsInside the machine Exit areaIf you do not see the jammed paper, go to next step Message Meaning Suggested Solutions Understanding display messagesChecking display messages Assigned Power FailureOperation Not Paper JamPrinting problems Solving other problemsPaper feeding problems Printing quality problemsDropouts Light or faded printToner specks White SpotsBackground scatter Toner smearDefects MisformedCondition SkewCopying problems Condition Suggested SolutionFax problems Available maintenance parts Supplies and accessoriesHow to purchase Supplies and accessoriesReplacing the toner cartridge PartsSupplies and accessories Environmental specifications SpecificationsHardware specifications Electrical specificationsPrint media specifications Type Size DimensionsTRAY1 Contact Samsung worldwide Contact Samsung worldwideCOUNTRY/REGION Customer Care Center WEB Site Luxemburg Glossary Duplex DefaultDot Matrix Printer Duty CycleFuser Unit EthernetEtherTalk GatewayITU-T No chart MAC addressOriginals ModemNetWare PostScriptPRN file ProtocolSubnet Mask Toner Cartridge UNC PathWatermark Index Time setting 23 toner cartridge Toner save mode 25 trayTurning on the machine Index