Kyocera FS-1200 manual Dropouts, horizontal streaks, stray dots, Black or white vertical streaks

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5.4. Print Quality Problems

Dropouts, horizontal streaks, stray dots

Clean the charger wire.

Open the printer side cover. Pull the green main charger wire cleaning knob slowly in and out a few times. See Section 4.2.

Note the spacing of the defects.

If the defects occur at regular intervals of 60.6 mm (2.4 inches), the problem may be a dirty transfer roller. Call for the assistance of a service person.

If the defects occur at regular intervals of 94 mm (3.7 inches), the problem may be a damaged drum unit or fuser roller. Call for the assistance of a service person.

Black or white vertical streaks

Check the control panel.

If theý7RQHU ORZ 7.ðëè &OHDQ SULQWHU message is displayed and the indicator is flashing, install a new toner kit. See Section 4.1.

Clean the charger wire.

Open the printer side cover. Pull the green main charger wire cleaning knob slowly in and out a few times. See Section 4.2.

Call for the assistance of a service person.

If the above checks do not solve the problem, call for the assistance of a service person.

5-4

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Contents FS-1200 Introduction Limitation of Remedies Limited WarrantyLicense Typeface Trademark Acknowledgement GeneralConforming to the Class B limits FCC statementSafety information Interface connectorsImportant note on the interface connectors Laser safetyCdrh regulations Ozone concentrationCE Marking Directive Declaration of Conformity U.S.ADeclaration of Conformity Australia ViiiDisclaimer Canadian Department of Communications compliance statementISO Moving the Printer Prolonged Non-Use and Moving the PrinterProlonged Non-use Kyocera ECO-PRODUCT Action program EnergyIntroduction Maintenance FeaturesPrint Engine Features Options Software FeaturesPrescribe 2e Programming Manual on CD-ROM CD-ROM Kyocera Digital LibraryTable of Contents Xvi Xvii Serial RS-232C/RS-422A Interface Option Appendix C Host Computer InterfacePlaces to Avoid Positioning the PrinterClearance Basic requirements Temperature 10C to 32.5C 50F to 90.5F Humidity 20% to 80%Voltage FrequencyUnpacking and Inspection Power SupplyList of Shipped Components Front View Names of PartsRear View Interior ViewOpen the top cover Setting Up and InterfacingInstall the toner container Close the top cover Install the waste toner bottleOpen the side cover on the left side of the printer Adjust the paper guides in the cassette and add paper Clip Open the paper stopper on the face-down output tray Install the face-up output trayParallel interface Attach the power cordConnect the printer to the computer Test the interface with the computer Set the emulation modePrint a status Windows 95/Windows Install the printer driverCD-ROM Drive Name\drivers\Language\pcl\9x CD-ROM Drive Name\drivers\Language\kpdl\9x WindowsCassette Mode First Mode Automatic Manual FeedingMP Multi-Purpose Tray Feeding Duplex Printing from the MP trayMP Multi-Purpose Tray Feeding First Mode Automatic Manual FeedingFeeding Envelopes Cassette ModeTo Remove the Memory Card Memory CardHandling a Memory Card Removing the Main Circuit Board Memory Expansion InstallationPrinting condition Resolution 300 dpi 600 dpi Withdrawing the Main Circuit Board from the Printer Dimm to be used Installing and Removing The DimmInstalling Dimm Removing Dimm Testing the Expansion MemoryControl Panel Operating the Laser PrinterResolution Indicator Interface IndicatorMessage Display Message MeaningCopy Indicator Paper Size IndicatorIndicator Name Description Symbolic IndicatorsKey Function Control KeysSwitching Power On Operating ProceduresStack Selection Feed SelectionCanceling Printing On-line/Off-line SettingStatus Printout Sample Status Form Feed Function Default Setting Using the Mode Select MenuMode Select Menu 2SWïý 520ý ý ý ý ý ý ý Parallel Interface Configuring InterfacesRAM Disk Operations Setting the RAM Disk SizeHints on Writing Fonts to the Memory Card Operating a Memory CardReading Fonts/Data from a Memory Card Writing Data to a Memory CardDeleting Data from a Memory Card Printing a list of data names Formatting a Memory CardSetting Custom Sizes Duplex path Setting the Paper TypeCassette, Media Type and Custom Settings Paper Type User Setting Making SettingsLvdeoh Submenus displayed Selection parameters DescriptionSleep Ecopower Mode Dumping Received Data Cancel keyKIR 2 Level Optimized stripes Ecoprint ModeDark vertical stripes White vertical stripesResource Protection Adjusting the Print DensityType of Error and Corresponding Audio Alarm Buzzer Setting the Audio Warning BuzzerSetting the Audio Warning Buzzer Internal Fonts FontsFont Number Font samples List of FontsInternal Scalable and Bitmap Fonts List of Fonts Kpdl Fonts List of Fonts Toner kit replacement interval Toner Kit ReplacementToner Kit to be Used Supplying TonerTo replace the toner container, proceed as follows Toner Kit Replacement Replace the Waste Toner Bottle Do not cap the new waste toner bottle Main Charger Unit CleaningCleaning the Charger Wire Cleaning the Grid Paper Feed Unit If the printing is abnormal General Guide If the printer does not print Interface Problems Power ProblemsCompletely blank printout Print Quality ProblemsAll-black printout Check the developer unitDropouts, horizontal streaks, stray dots Clean the charger wireBlack or white vertical streaks Check the control panelGrey background Faint or blurred printingCharacters out of position Dirt on the top edge or back of the paperCheck the paper chute and the ramp Check the transfer rollerSymbolic Indicators Indicators and MessagesIndicators Message Corrective Action Maintenance MessagesMaintenance Messages DOO Vhuylfh Ning to ensure correct reading of the memory card Error MessagesError Messages 0025&$5 HUUúú Correcting a Paper Jam Printer SymbolRear Cover Power requirements Drum cleaningPower consumption Printing methodPrinter Specifications Table B.1 Specifications Paper SpecificationsSpecification General GuidelinesCondition of the Paper Selecting the Right PaperComposition Paper SizeMoisture Content Basis WeightSmoothness Thickness CaliperPaper type Media type Special PaperTable B.4 Adhesive Label Specifications Table B.3 Transparency SpecificationsTransparency Adhesive-Backed LabelsColored Paper EnvelopesPreprinted Paper Recycled PaperParallel interface communication modes Parallel InterfacePin In/out Description Interface SignalsTable C.1. Parallel Connector Pin Assignments Paper Empty PError Pin Data 0 1 to Data 7 8 Pins 2 toError* nFault Pin Power Ready PinRS-232C interface Interface SignalsSerial RS-232C/RS-422A Interface Option Serial Connector Overview of Signals RS-422ARS-422A interface RS-422A interface voltage levelsRS-232C/RS-422A Protocol RS-232C Cable Connection Prescribe Frpo D0 commandPreparing an RS-232C Cable H7 Buffer nearly-empty thresholdConnecting the Printer to the Computer Memory Card IndexIndex-2 Basic Operations During Mode Selection Mode Select MenuFrom Previous To 495 seconds