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Fujitsu DL3750+/3850+ manual Trouble-Shooting, Solving Problems, Print Quality Problems

Models: DL3750+/3850+

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TROUBLE-SHOOTING

TROUBLE-SHOOTING	7
Your printer is extremely reliable, but occasional
problems may occur. You can solve many of
these problems yourself, using this chapter.
If you encounter problems that you cannot resolve,
contact your dealer for assistance.
This chapter is organized as follows:

	•	Solving problems
	•	Diagnostic functions
	•	Getting help
SOLVING PROBLEMS	The tables in this section describe common printer problems and their
	solutions. The following types of problems are considered:
	•	Print quality problems
	•	Paper handling problems
	•	Operating problems
	•	Printer failures

Print Quality Problems

Poor print quality or other printing problems are often caused by incorrect printer setup or incorrect software settings. A gradual decrease in print quality usually indicates a worn ribbon. Table 7.1 identifies common print quality problems and suggests solutions.

shooting	Trouble-

User's Manual

7-1

Image 149

Fujitsu DL3750+/3850+ manual Trouble-Shooting, Solving Problems, Print Quality Problems

Contents

Page Page Fujitsu DL3750+/3850+ Important Note to Users Using This Product in High-risk SituationsPage Bescheinigung des Herstellers/Importeurs CE Declaration Energy SavingTrademark Acknowledgement Printer Models and Options About this ManualOrganization For Experienced Users ConventionsTable of Contents Printing Using Setup Mode Installing Options Appendix a Supplies and Options Appendix F Resident Font Glossary of Terms Control panel Quick ReferenceOperation Online Offline Required Response Printer Operations Normal ModeDot matrix printer FeaturesOptions IntroductionLocation Setting UPSelecting a Good Setting UP Checking items received Removing the shipping restraint cardboard Checking Options and Supplies Installing the cut sheet stand Installing the Cut Sheet StandPreparing to install the ribbon Installing the Ribbon CartridgePreparing the ribbon cartridge Installing the ribbon cartridgeSetting Up Handling Paper Printing Setup Mode Printer components front and right Getting AcquaintedWith Your Printer Cord Printer components rearConnecting the power cord Offline Testing the PrinterLoading Paper for the Self-Test Loading a sheet of paperPrinting the Self-Test Starting the self-test Sample self-test To exit demo mode, turn the printer off Demo pattern To Your Computer Connecting the PrinterSelecting a Parallel Interface Cable Selecting a Serial Interface CableSelecting a USB Cable Connecting the Interface CableSelecting a LAN cable Opening the shutterAttaching the shutter Removing the shutterConnecting the interface cable For Experienced Users Turn the printer on and load a sheet of paper Initial printout in setup modeEnter setup mode Select an emulation Select the MENU1 functionPrinting a Sample Exit setup mode to save the emulationOnline Exit MENU1Setting UP Mode LPT1=COM1 Using MS-DOS to Specify Serial Interface SettingsPrinter Driver InstallingSetting UP Selecting Paper Paper HandlingPrinter levers and buttons Overview of PaperOperations Lever/Button Purpose Action Levers and Buttons Used for Paper HandlingAdjusting the paper thickness lever Using Single Sheets Paper Thickness Lever SettingsNumber of Copies Setting *2 Including the Original *1 Loading a Single Sheet of PaperPreparing to load a sheet of paper Adjusting the left marginLoading a sheet of paper Forms Using ContinuousEjecting Single Sheets Bad placement Good placementPlacement of continuous forms Positioning the Paper StackPreparing to load continuous forms paper Paper thickness lever settingLoading Continuous Forms Ajusting the left margin Positioning the tractorsSetting the back cover Adjustment procedure Adjusting the Tear OFF positionUnloading Continuous Forms Installing the Tractor UnitTearing off continuous forms Tearing Off Continuous FormsFeeding Load Position AdjustLine Feed/Form Feed Positioning PaperFailure to retract the forms paper will cause paper jams Switching to Single SheetsMultipart Forms Switching to Continuous FormsTips on Paper Handling General Tips Labels EnvelopesPaper Handling Selecting Print PrintingPrinter control panel Using Commercial SoftwareUsing the Control Panel Selecting MENU1 or MENU2 MENU1 MENU2 MENU1 and MENU2 SettingsStarting Printing Starting or Stopping PrintingStopping Printing Resuming from a Paper-OutContinuing printing after supplying paper Printing the remaining lines on aResuming after an Area Over warning Removing Continuous Forms Removing Printed Pages Clearing the Print BufferRemoving Single Sheets HOW to USE this Chapter Using Setup ModeEntering Setup Mode Initial printout in setup mode Setup Mode Functions Overview of Setup ModeList DefaultSELF-TST HEX-DUMPSelect the MENU2 function Setup Mode ExampleLoad continuous forms paper Enter setup mode Summary of setup mode Select the current emulation Exit setup mode, saving the new font and pitchChange the font to Prestige Elite Select the current print qualityPoints to Remember Printing a List Printer tear-off feature Tear OFF buttonSelected Options Select the List functionPrintout of factory defaults using List Deciding Which System and printer accessory compatibilityOptions to Change Required OptionsSee the section Changing Configuration Adjustment Options later in thisSee the section Changing Hardware See the section Changing Print PositionUsing Setup Mode Defaults for that emulation Options are reset to the factoryMENU1 and MENU2 Items and Options MENU1 Options Description MENU2 ItemsRAM Font TIMLS-N TIMLS-B TIMLS-I DOWNLD#Quality LetterLpi Lpi double spacing None Italics Condnsd Shadow Bold CHAR-HAttrib Options Description MENU2 Items MENU1LFT-END ## Colm## Line TOP-MRGUSA LangugeGerman SwedishSLOV-T Languge SlovPolish POLSH-TItalian Languge FrenchSpanish DANISH1SET CHR-SETItalic GraphicDisable EnableCR-CODE CR only CR & LFOVR-PRT Rghtend WrapSelect the MENU1 or MENU2 function ProcedureExit MENU1 or MENU2 Resetting MENU1 and MENU2Options Description Items Changing HardwareHardwre Items and Options Print buffer Download buffer Only for graphics application 0BYTE option is recommendedWith 128KB selected, the printer Cannot accept any download fontData bits Parity bit Stop bits Options DescriptionNumber DTR XON/XOFREV-CHL DSR IgnoreSelect an option for the selected item Select the Hardwre functionChanging Print Position Adjustment Options Adjust Adjust Items and OptionsCntadjl Graphic *1Adjust Items and Options Select an option from 1/6IN to 66/6IN Select the Adjust functionExit the Adjust function Changing Configuration OptionsConfig Items and Options Perforation spacing Setting does not match the actualPositioning will fail if the page length Button CutloadLoadtim DecodeAreacnt SetupON-LOAD OfflineTractor CONT-PEEdge GatherSKIP-PR Driver Select an option Select the Config functionExit the Config function Exiting and Saving Settings are usedPrint the Function menu Select the Save & END functionResetting Power-On Defaults Resetting DefaultsResetting Factory Defaults Resetting Factory Defaults in MENU1 and MENU2Functions Using the DiagnosticSelect the Default function Handling Paper Select the SELF-TST function Printing Hex DumpsExamine the self-test Exit the SELF-TST functionPrint the hex dump Select the HEX-DUMP functionExit the HEX-DUMP function Sample hex dumpChecking Vertical Print Alignment V-ALMNT Adjust the vertical print alignment at correspondence speed Adjust the vertical print alignment at letter quality speedAdjust the vertical print alignment at draft speed Select the V-ALMNT functionExit the V-ALMNT function To exit the V-ALMNT function, you must exit setup modeCorrect vertical print alignment DPL24C Plus Organization Handling Paper Differences in IBM Proprinter XL24E Emulation Differences in Epson ESC/P2 Emulation Online Setup Mode Cleaning and Vacuuming the Printer MaintenanceCleaning Printer interior Flat cableCleaning the Platen and Exit Rollers Removing the ribbon cartridge Paper thickness leverPreparing the ribbon cartridge Dot mark green Replacing the print head Replacing the PrintHead Maintenance Print Quality Problems TROUBLE-SHOOTINGSolving Problems Problem Solution Print Quality Problems and SolutionsSection Changing MENU1 and MENU2 Using the Diagnostic Functions in ChapterMENU1 and MENU2 Options in Chapter Changing MENU1 and MENU2 OptionsPaper Handling Problems and Solutions Paper Handling ProblemsPaper Handling Problems and Solutions Tips for clearing a jammed sheet from the printer Error name Error description Recovery method Operating ProblemsOperating Problems and Solutions Area Over LED statusPrinter Failures Error LED states Light BlinkPrinter Failures Diagnostic Functions Getting Help Installing Options Installing Options Supplies Supplies and OptionsOption Supplies Order NumberSupplies and Options Physical Specifications Printer and Paper SpecificationsFunctional Specifications Paper length Command sets emulationsNumber of copies Character setsPerformance Specifications Form feed speed Line feed speedRibbon life CertificationPrint area for single sheets Paper SpecificationsPrint area for continuous forms Type of Paper Number of Parts Thickness Paper ThicknessDo not use in high humidity environments Printer and Paper Specifications Command Sets Plus Function Command Print Mode ControlFujitsu DPL24C DC2 Function CommandESC P Horizontal ControlESC M ESC LF Vertical ControlNUL Function Command TabulationFormatting ESC OCharacter Set Control Font Selection and Downloading Word ProcessingBit Selection of font Bit Print quality= 0 = 1 FunctionPitch Point Typeface Bit Font quality selection Bar Code Printing Function Command Bit Image GraphicsInitialize Printer Ascii BEL Function Command MiscellaneousSelectable options in setup mode Command Factory Default SettingsSHADOW, Bold NONE, ITALICS, CondnsdESC E ESC F ESC G ESC HSET 1, SET2 ESC7 DC3 ENABLE, DisableESC6 SKIP, NO-SKIP ESC N ESC ODC4 IBM Proprinter XL24E EmulationESC T DC2ESC B NUL ESC D NULDownloading Function Command Character Set ControlESC Q # Select graphics mode in AG mode only ESC * m c 1 c Emulation Epson ESC/P2Space Backspace Carriage return Set elite pitch ESC D + d Function Command Character Set Control Font Selection and Downloading OCR-B OCR-A Graphics type m graphics ESC * m n 1 n Parallel Interface Interface InformationACK Compatible ModePin Return Signal Direc Description Pin No Name Tion Slct Pin Return Signal Direc Description Pin NoInprm SLCT-INNibble Mode Name Tion Data Transmission Timing RTS Serial InterfaceSerial Options Cable WiringDSR XON/XOFF Serial ProtocolsProtocol Description USB Interface SpecificationRXI+ LAN InterfaceCable Code Page 437 Character Set Character SetsCharacter Sets 1 DPL24C Plus and IBM XL24E Emulation Character Sets ESC Italic and GraphicsP2 Emulation Italic Character SetCharacter ECMA94, ISO8859, ISO-LTN, ISO-TUK, CYRILIC, LATIN-9 National Character Sets ALL EmulationsPAGE852/PG852-T Code PAGE855 Code PAGE865 Code Page 865Nordic PAGE866 Code Page 866Cyrillic PAGE860 Code Page 860PortugalPOLISH/POLSH-T Polish MAZOWIA/MAZOW-T Mazowian HUNGARY/HUNG-T Hungarian SLOV/SLOV-T SlovenianCharacter Sets ELOT928 Elot PG-DHN Code Page DHN IBM437 IBM IBM851 IBMCharacter Sets ABG ABY MIKMacedon Macedonian PG-MAC ELOT927 Decgr Greek HBR DEC ISO-TUK PAGE862 HBR OLDLATIN-9 Ruscii Sets DPL24C Plus National CharacterIBM XL24E Emulation French French Italian ItalianSets ESC/P2 Emulation DANISH1/NORWEGN Danish1/Norwegian DANISH2 Danish2DANISH1 Danish1 SPANSH1 Spanish1 Epson ESC/P2 emulationJapan Japanese Italian Italian SPANSH2 Spanish2Norwegn Norwegian French French DANISH2 Danish2 Korea Korea Legal Legal Resident Fonts ALL Sets and SupportedEmulations Resident fontECMA94 National Name Character set Setup menuPAGE852 PAGE855Macedon ABG ABY LITHUA2 MIKPG-MAC ELOT927 HBR-DECOCR-B OCR-A Resident FontsNormal Bold Italic Timeless Scalable Normal Courier Scalable Normal Bold ItalicNimbus Sans Scalable Byte Glossary of TermsCpi Cps Cut sheets Defaults Dot matrix Carriage return CR Centronics interface Column Command setCondensed print Continuous formsBase-16 numbering system also commonly referred to as hex LAN interface Nonresident font Normal modeLetter size Line feed LF Line spacing Lpi MonospacingGL-5 Serial interface Setup modeUSB interface Tractor feedUnidirectional printing GL-8 Index DPL24CPLUS GL-1 Pica SELF-TST ON-LORD Width IN-8 Fujitsu PHILIPPINES, INC Fujitsu Canada INCFujitsu ESPANA, S.A C147-E047-01EN