Dropouts, horizontal streaks, stray dots | Kyocera FS-6700 instruction

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, the problem may be due to a scratch or foreign matter on the drum, fuser roller, or transfer roller inside the printer. Call for the assistance of a service person.

Black or white vertical streaks

Check the control panel.

If the Toner low TK-20 Clean printer 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.

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Kyocera FS-6700 manual Dropouts, horizontal streaks, stray dots, Black or white vertical streaks, Clean the charger wire

Contents

User’s Manual Introduction IBM Program License Agreement Iii Typeface Trademark Acknowledgement FCC statement Conforming to the Class B limits Safety information Interface connectors Viii Ozone concentration Important Safeguards Declaration of Conformity U.S.A According to Council Directive 89/336/EEC and 73/23/EEC CE Marking Directive Declaration of Conformity Australia Xiii Canadian Department of Communications compliance statement Safety & EMI RequirementsISO Moving the Printer DisclaimerProlonged Non-Use and Moving the Printer Prolonged Non-use Xvi Minutes 60 minutes Initial sleep mode setting Power consumptionEnergy Star program guideline Kyocera ECO-PRODUCT Amorphous silicon drum IntroductionSuperb print quality Ultra long life modules Scalable printing High speed printingEnvironmentally benign waste parts Large paper capacity cassettes Display of printer messages in any of three languages Wide variety of internal symbol setsKpdl Kyocera Printer Description Language Automatic rotation of fonts and graphics Kyocera Print Monitor Large memory capacityEquipped with two expansion slots Supports various network environments Contents Index Mode Select Menu Chapter Installing the Printer Clearance Positioning the Printer Places to Avoid Frequency Basic requirementsCurrent capacity Power Supply List of shipped components Unpacking and Inspection Installing the Page Printer Front View Names of Parts Interior View Rear View Setting Up and Interfacing Open the Top Cover Install the Toner Container Sealing strip Close the Top Cover Install the Waste Toner Bottle Installing the Page Printer Adjusting the Paper Guides of the Paper Cassette Open the cassette cover Paper stopper Add Paper Paper Cassette Set the clips at the two corners as shown below Close the paper cassette cover Install the Face-up Output Tray sold separately Connect the Printer to the Computer Serial interface Parallel interfaceSerial Interface Connection Print a Status Attach the Power Cord Test the Interface with the Computer Install the Printer Driver Set the Emulation ModeWindows Installing the Page Printer Windows Multi-Purpose Tray Feeding Feeding from the Multi-Purpose Tray and Associated Settings Withdraw the sub tray as shown in the diagram Load the paper First Mode Automatic Manual Feeding Setting Each Mode Cassette mode Manual mode Overhead Projection OHP Film Feeding Envelopes To insert and use a memory card Memory Card To remove the memory card Handling Memory Cards Printing condition Resolution 300 dpi 600 dpi Memory Expansion Installation Withdrawing the Main Circuit Board from the Printer Removing the Main Circuit Board Simm to be used Installing SIMMs Installing and Removing SIMMs Removing SIMMs Testing the Expansion Memory Chapter Operating Laser Printer Control Panel Message Meaning Message Display Resolution Indicator Interface Indicator Copy Indicator Paper Size Indicator Indicator Name Description Symbolic Indicators Key Function Control Keys Selects the cassette feed or multi purpose tray feed Operating Precautions Operating Procedures Switching Power On Basic Printing Operations Selecting the Output Tray Feed Selection Switching Online/Offline Canceling Printing Status Printout Sample Status Information Installation OptionsSoftware version Hardware information KIR test pattern Fonts at startup for each interfaceUser font list Form Feed Mode Selection Mode Selection Menu List Mode Selection MenuMenu Description Default Setting Selects the print font Bitmap Duplex mode Display Description Configuring InterfacesParallel Interface Mode Parallel Interface Mode KC-GL Emulation Emulation SelectionDisplayDescription Reduction Page Set Source Size-Target Size Combinations Sleep Timer Setting Selecting Sleep Timer Mode Dumping Received Data Selecting Dump Received Data Mode KIR Level Status KIR Checking Lines Selecting KIR Mode Selecting Ecoprint Mode Ecoprint Mode Resource Protection Selecting Resource Protection Mode Selecting Print Density Mode Adjusting the Print Density Setting the Audio Warning Buzzer Priority Error Message Alarm Frequency Remark Type of Error and Corresponding Audio Alarm Buzzer Selecting Buzzer Mode Inserting Memory Cards Memory Cards Operating a Memory Card Reading Fonts from a Memory Card Reading Macros from a Memory Card Reading Data Partitions from a Memory Card Writing Data Partitions to a Memory Card Operating the Laser Printer Formatting Memory Cards Deleting Data from a Memory Card Operating the Laser Printer Printing a List of Data Names Partitions Chapter Fonts Bitmap fonts Resident FontsScalable fonts Kpdl Fonts List of Fonts Resident Scalable Fonts Resident Scalable Fonts Kpdl Fonts Fonts Symbol set Symbol set Bitmap Fonts Symbol setsSset value Scalable Fonts Symbol sets Sset ID Chapter Maintenance Toner kit replacement interval Toner Kit Replacement Supplying Toner Toner Kit to be Used To replace the toner container, proceed as follows Plastic Bag Developer Maintenance Replace the Waste Toner Bottle Cap the waste toner bottle after removing from the printer New Waste Toner Bottle Cleaning the Charger Wire CleaningMain Charger Unit Cleaning the Grid Main Charge Unit Paper Feed Unit Maintenance Chapter Troubleshooting If the printer does not print General GuideIf the printing is abnormal Call for the assistance of a service person Power ProblemsCheck the power switch Check the power cord Check your file and software Interface ProblemsTry using a different cable Check the interface network cable Check the developer unit Print Quality ProblemsCompletely blank printout All-black printout Check the control panel Clean the charger wireDropouts, horizontal streaks, stray dots Black or white vertical streaks Image is smeared Check the Ecoprint setting See SectionFaint or blurred printing Grey background Section Clean the main charger wireCheck the main charger unit installation See Section Call for the assistance of a service person Check the transfer roller Dirt on the top edge or back of the paperCharacters out of position Check the paper chute and the ramp Indicators Indicators and MessagesSymbolic Indicators Condition Corrective Action Maintenance Messages Corrective Action Maintenance Messages Message Corrective Action Mechanical error n=0, 1, 2, ...-Call a service person. Error Messages Corrective Action Error MessagesCancel key You have inserted the wrong memory card when the Insert Section Capacity of the memory card is insufficient. This error Occurred when the data was compressed to be fitted within Return the paper feed unit to the printer Correcting a Paper Jam Correcting a Paper Jam Paper Cassette Correcting a Paper Jam Chapter Symbol Set Tables LaserJet 5M HP Roman-8 8U LaserJet 5M ECMA-94 Latin 1 0N HP LaserJet 5M Symbol Sets Symbol Set Tables LaserJet 5M IBM PC-850 12U LaserJet 5M IBM PC-8 D/N 11U LaserJet 5M Dutch801-RomanSWM 6N LaserJet 5M PS Math 5M LaserJet 5M PS Text 10J LaserJet 5M Math8 8M LaserJet 5M Pi Font 15U LaserJet 5M MS publishing 6J LaserJet 5M Windows 9U LaserJet 5M Desktop 7J LaserJet 5M ISO Latin 2 2N LaserJet 5M ISO Latin 5 5N HP LaserJet 5M Symbol Sets Symbol Set Tables HP LaserJet 5M Symbol Sets LaserJet 5M PC-852 Latin 2 17U LaserJet 5M PC-Turkish 9T Macintosh 12J ISO-6 US Ascii ISO-4 UK LaserJet 5M International Characters 123 124 125 126 Appendix a Printer Specifications IPX/SPX, TCP/IP, DLC Printer Specifications Description Appendix B Paper Selection Usable Paper General Guidelines Table B.1. Paper Specifications Paper Specifications Condition of the Paper Selecting the Right PaperComposition Table B.2. Paper Sizes for Paper Feeding Paper Size Smoothness Basis WeightThickness Moisture Content Quality control StiffnessCurl Electrostatic properties Specially treated paper Special Paper Colored Paper Table B.3. OHP Film SpecificationsPreprinted Paper Overhead Projection OHP Film Envelopes Postcards Labels Table B.4 Adhesive Label Specifications Appendix C Host Computer Interface Parallel interface communication modes Parallel Interface Interface Signals Strobe* nStrobe Pin Pin In/out Description Busy Busy Pin Data 0 1 to Data 7 8 Pins 2 toPaper Empty PError Pin Acknowledge* nAck Pin Prime nInit Pin Error* nFault PinPower Ready Pin +5V DC Pin FG Frame Ground Pin Interface SignalsSerial RS-232C/RS-422A Interface RS-232C interface CTS Clear To Send Pin DSR Data Set Ready Pin SG Signal Ground PinRXD Receive Data Pin RTS Request To Send Pin Removing the Main Circuit Board RS-422A interface Withdrawing the Main Circuit Board from the Printer Changing the Jumper Connector Table C.3. RS-422A Signal Pin Assignments In/out Description Verifying the Setting RDA Receive Data Inverted Pin RDB Receive Data Pin Overview of Signals RS-422ASerial Connector RS-422A interface voltage levels H3 Stop bits RS-232C/RS-422A ProtocolH1 Baud rate Parameter value H2 Data bits H5 Protocol logic Parameter value Meaning H4 Parity Parameter value MeaningH6 Buffer nearly-full threshold H7 Buffer nearly-empty threshold Prescribe IIe Frpo D0 commandSerial interface error Error not handled Preparing an RS-232C Cable RS-232C Cable Connection Connecting the Printer to the Computer To test the interface, then enter Index INDEX-2 INDEX-3 Mode Selection Mode Select Menu Depending on the emulation selected, the following From previous