Cleaning the scan unit

3.With a dry, lint-free cloth, wipe away any dust and spilled toner from the toner cartridge area.

While cleaning the inside of the machine, be careful not to damage the transfer roller or any other inside parts. Do not use solvents such as benzene or thinner to clean. Printing quality problems can occur and cause damage to the machine.

4.Locate the long strip of glass (LSU) inside the machine and gently swab the glass to see if dirt turns the white cotton black.

5.Reinsert the toner cartridge and close the front door.

6.Plug in the power cord and turn the machine on.

Keeping the scan unit clean helps ensure the best possible copies. We suggest that you clean the scan unit at the start of each day and during the day, as needed

1.Slightly dampen a soft lint-free cloth or paper towel with water.

2.Open the control panel by gripping it on the bottom edge and pulling it upwards.

3.Disassemble the white roller as follows

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Samsung SF-650 manual Cleaning the scan unit

Contents

Page Copyright Copyright Contentds ContentdsUsing toner saving feature Using power saving feature Resolution Darkness Copying Cleaning the drum Checking display messages Safety information Safety informationImportant safety symbols Operating environment Operating method Installation / Moving Maintenance / Checking Supply usage Regulatory information Laser Safety StatementOzone Safety Regulatory information Taiwan only RecyclingCorrect disposal of batteries in this product Germany only Fax Branding Radio Frequency EmissionsRussia only FCC Information to the User You should also know that Ringer Equivalence NumberReplacing the Fitted Plug for UK Only Approvals and Certifications Declaration of Conformity European CountriesImportant warning EC Certification China only About this user’s guide About this user’s guideConvention Conventio Description Example Material Name Description Quick Install GuideFinding more information Instructions in the guide to prepare the machine Features of your new product Features of your new productSpecial Features Front view IntroductionMachine overview Introduction Rear view Control panel overview Introducing the useful button Power LEDUnderstanding the Status LED Turning on the machine Basic setup Basic setupSetting up the hardware Setting sounds Setting the date and timeChanging the clock mode Changing the display language Keypad letters and numbers Entering characters using the number keypadEntering alphanumeric characters Correcting numbers or names Using the save modes Setting the paper Loading originals Media and trayPreparing originals Document feeder Selecting print media Guidelines to select the print media Copy mode Media sizes supported in each modeMode Size Source Fax mode Loading paper in the tray Tray Letterhead/ Preprinted paper Setting the paper size and typeUsing the output support SINGLE-SIDED DOUBLE-SIDED Basic copy Changing the settings for each copyCopying To scale the copy by directly entering the scale rate Changing the default copy settingsSetting copy timeout Preparing to fax Setting the fax headerFaxing Sending a fax Confirming a transmission Delaying a fax transmissionSending a fax manually Automatic redialing Sending a priority fax Adding documents to a reserved delay fax jobCanceling a reserved delay fax job Sending a fax in toll save time Receiving faxes manually using an extension telephone Receiving manually in Tel modeReceiving automatically in Answering Machine/Fax mode Receiving a fax Activating secure receiving mode Receiving faxes using Drpd modeReceiving in secure receiving mode Deactivating secure receiving mode Adjusting the document settings Forwarding a fax to other destination Setting up address book Registering a group dial number Using group dial numbersGroup dial numbers Editing a group dial number Printing sent fax report automatically Changing the fax setup options Machine status and advanced featureFax setup Available fax setup options Using the advanced fax settings Advanced fax setting options Change Default Copy setupChanging the copy setup options Printing a report Clear All Mem Menu overview Items Option Machine status and advanced feature Cleaning the outside MaintenanceCleaning a machine Cleaning the inside Cleaning the scan unit Maintenance Handling instructions Cleaning the drumStoring the Toner cartridge Use of non-Samsung and refilled toner cartridge Tips for moving & storing your machine Redistributing toner TroubleshootingTroubleshooting Clearing original document jams Input Misfeed Pressure lever Tips for avoiding paper curlsExit Misfeed Tips for avoiding paper jams Clearing paper jams Inside the machine Exit area If you do not see the jammed paper, go to next step Checking display messages Message Meaning Suggested SolutionsUnderstanding display messages Assigned Power FailureOperation Not Paper Jam Printing problems Solving other problemsPaper feeding problems Printing quality problems Dropouts Light or faded printToner specks White Spots Background scatter Toner smearDefects Misformed Condition Skew Copying problems Condition Suggested Solution Fax problems Available maintenance parts Supplies and accessoriesHow to purchase Supplies and accessories Replacing the toner cartridge Parts Supplies and accessories Environmental specifications SpecificationsHardware specifications Electrical specifications TRAY1 Print media specificationsType Size Dimensions COUNTRY/REGION Customer Care Center WEB Site Contact Samsung worldwideContact Samsung worldwide Luxemburg Glossary Duplex DefaultDot Matrix Printer Duty Cycle Fuser Unit EthernetEtherTalk Gateway ITU-T No chart MAC address Originals ModemNetWare PostScript Subnet Mask PRN fileProtocol Watermark Toner CartridgeUNC Path Index Turning on the machine Index Time setting 23 toner cartridgeToner save mode 25 tray