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SATO GT424 manual TROUBLESHOOTING GUIDE CONT’D Symptom Low quality print, What to check, Remedy

Models: GT424

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6.7TROUBLESHOOTING GUIDE (CONT’D) Symptom: Low quality print

Section 6: Troubleshooting

6.7TROUBLESHOOTING GUIDE (CONT’D) Symptom: Low quality print

No.	What to check	Remedy

1	Are the paper and carbon ribbon	Check if the paper and carbon ribbon are securely fixed.
	set correctly?	Also, lower the head-open lever of the printer head unit,
		and check if the paper and carbon ribbon are in the
		normal position.

2	Are the paper and carbon ribbon	Check the paper and carbon ribbon. Set the print
	set correctly?	density again.

3	Is the platen roller dirty?	If the platen roller is dirty, wipe off the dirt with the
		supplied cleaning set.

4	Is the printer head dirty, or is a	If the print head is dirty, wipe off the
	label on the head?	dirt with the attached cleaning set. If
		a label is on the head, take it away.
		* Do not use a metallic object to
		remove it (the printer head may be
		damaged). If glue of the label is
		stuck to the printer head, wipe it off
		with the supplied cleaning set.
		See Section 4: Cleaning and Maintenance.

5	Are you using stained paper?	Use clean paper.

6	Are you using	Be sure to use genuine paper and
	genuine paper	carbon ribbon
	and carbon	specifically designed for the
	ribbon	printer.
	specifically
	designed for the
	printer?

Pull outCautionthe power cable before cleaning the printer.

Page 6-12

GT Series Operator’s Manual

Image 146

SATO GT424 TROUBLESHOOTING GUIDE CONT’D Symptom Low quality print, What to check, Remedy, GT Series Operator’s Manual

Contents

GT Series OPERATOR’S MANUALCopyright 438A ALEXANDRA ROAD #05-01/02 ALEXANDRA TECHNOPARK SINGAPORETel 65 6271 Fax 65 6273 Sales Hotline 65 6276 TABLE OF CONTENTS Cartridge Mode How To Clean The Printer Cleaning SHEET Cleaning The Print Head, Platen and RollersHow To Clean The Printer Cleaning SET Adjusting Print QualityUnderstanding the STATUS INDICATORS Using the Centronics Parallel InterfaceUsing the RS232C SERIAL Interface Understanding the LCD Error MessagesSection 4 Cleaning and Maintenance Section 5 Interface Specifications Section 1 Overview Section 2 InstallationSection 3 Configuration and Operation Section 6 Troubleshooting Section 7 Optional Accessories1.1 GENERAL SPECIFICATIONS GT408e Features of SATO GT4xxe Series PrintersFeature GT412eGT408 1.1 GENERAL SPECIFICATIONS CONT’DSpecification GT412GT408 1.1 GENERAL SPECIFICATIONS CONT’DSpecification GT412GT408 1.1 GENERAL SPECIFICATIONS CONT’DSpecification GT412INSTALLATION THE CAUTION SYMBOL SECTION 2 INSTALLATIONSAFETY PRECAUTIONS PRINTER PLACEMENT TIPSPage GENERAL PRECAUTIONSGT Series Operator’s Manual SECTION 2 INSTALLATION 2.1 UNPACKING Cleaning 2.1.1 INCLUDED ACCESSORIESGlobal Warranty Power cableFront View SECTION 2 INSTALLATION 2.1.2 PARTS IDENTIFICATIONIDENTIFYING THE MAIN PRINTER PARTS Angled Front ViewHowremovecabletocoverthe 2.1.2 PARTS IDENTIFICATION CONT’DRear View IDENTIFYING THE MAIN PRINTER PARTSIDENTIFYING THE MAIN PRINTER PARTS Side View Media assemblySECTION 2 INSTALLATION Angled Front ViewIDENTIFYING THE MAIN PRINTER PARTS View of Front PanelAdjustment screwdriver 2.1.2 PARTS IDENTIFICATION CONT’DRibbon feeder SECTION 2 INSTALLATION 2.2 LOADING THE CARBON RIBBONFront Cover Carbon ribbon2.2 LOADING THE CARBON RIBBON CONT’D Knob Carbon ribbonLabel loaded SECTION 2 INSTALLATIONPaper tube Ribbon feeder Paper tube Print head Paper tube Print head FanfoldPaperCharacteristicsLabel 2.3 LOADING LABELS AND TAGSRollPaperCharacteristicsLabel Print head Head release lever purple Roll Guide Lever Roll Guide SECTION 2 INSTALLATION 2.3 LOADING LABELS AND TAGS CONT’DFront Cover Release the Lever to lock the Roll Guide in placePull the purple label damper 2.3 LOADING LABELS AND TAGS CONT’DAdjust LabelSETTING SECTION 2 INSTALLATION 2.3 LOADING LABELS AND TAGS CONT’DAdjusting for the paper width Head pressure balance adjustment knobRear cover release screw Rear cover 2.3 LOADING LABELS AND TAGS CONT’DFront Cover Rear coverPull the purple label damper SECTION 2 INSTALLATION 2.3 LOADING LABELS AND TAGS CONT’DAdjust Labelscrew 2.3 LOADING LABELS AND TAGS CONT’Dcover Fanfold coverLabel Damper SECTION 2 INSTALLATIONLabel Guide Knob Label GuidePaper sensor 2.3 LOADING LABELS AND TAGS CONT’DFront Cover SECTION 2 INSTALLATION 2.4 REPLACING THE PRINT HEAD 2.5 TURNING THE PRINTER ON/OFF GT Series Operator’s Manual SECTION 2 INSTALLATIONThis page is intentionally left blank CONFIGURATION AND OPERATION 3.1 OPERATING MODESOverview of the Display for Printer Setting Description of Setting 3.2 THE OPERATION PANELHow To Adjust Screen Contrast Overview of the Operation Panel Status Icon display areaGT Series Operator’s Manual 3.3 SCREEN ICONS AND THEIR MEANINGSection 3 Configuration and Operation PagePage 3.3 SCREEN ICONS AND THEIR MEANING CONT’DSection 3 Configuration and Operation GT Series Operator’s Manual3.4 ONLINE AND OFFLINE MODES 3.5 USER MODE SpeedPrint head Use the Print head3option.5.7isSettingonly valid Kanjifor printingFontin JapaneseStyle Press ENTER to confirm your selection and return to the main User 3.6 INTERFACE MODE Input Portsee Section 3.6.4 above 3.7 CARTRIDGE MODE GT Series Operator’s Manual When formatting is complete, the next screen appearsPress the ENTER button to return to the main CARTRIDGE MODE screen 3.8 SEMBL MODE Name of program in memoryPress ENTER to return to the main SEMBL Mode screen GT Series Operator’s Manual3.9 ADVANCED MODE With3.9.4thisChoosingsetting, youContinuouscan chooseorbetweenTearOffcontinuousOperationpaper feed or Tear Off operation. If a cutter or peeler has been installed correctly, you will also see the DISPENSER and CUTTER settings. If the printer supports linerless labels, you will also see LINERLESS option The3.9.7printerSettingcanthebe switchedPrintModeto operate in Thermal Transfer or About the Head Check function Set3.9.this12Enabling/Disablingoption to enable or disableExternaltheSignalprinter’sOutputexternal signal communication port. If the port is enabled, you can send and receive data using an appropriate device plugged into the EXT port The3.9.15printerUsingcanthebe Autoset Onlinego into FeatureONLINE mode automatically upon being turned on. Otherwise, the printer starts in the OFFLINE state The3.9.18ESCSpecifyingsequencethein SBPLProtocolcommandsCodeFormatcan be defined as standard using non-printable code 1BH non-standard some other user code 3.10 HEX DUMP MODE 3.11 TEST PRINT MODE 13.11Make.1Enteringsure theTestprinterPrintis turnedModeOFFTo exit the Test Print mode, turn of the printer GT Series Operator’s Manual 3.12 OVERVIEW OF ALL MODESSection 3 Configuration and Operation PagePage 3.12 OVERVIEW OF ALL MODES CONT’DSection 3 Configuration and Operation GT Series Operator’s ManualGT Series Operator’s Manual Section 3 Configuration and Operation3.12 OVERVIEW OF ALL MODES CONT’D PagePage Section 3 Configuration and Operation3.12 OVERVIEW OF ALL MODES CONT’D GT Series Operator’s ManualGT Series Operator’s Manual Section 3 Configuration and Operation3.12 OVERVIEW OF ALL MODES CONT’D PagePage 3.12 OVERVIEW OF ADVANCED INTERFACE MODE CONFIGURATIONS CON’TDSection 3 Configuration and Operation GT Series Operator’s ManualGT Series Operator’s Manual 3.12 OVERVIEW OF ADVANCED INTERFACE MODE CONFIGURATIONS CON’TDChart continued on next page PagePage 3.12 OVERVIEW OF ADVANCED INTERFACE MODE CONFIGURATIONS CON’TDSection 3 Configuration and Operation GT Series Operator’s ManualGT Series Operator’s Manual 3.12 OVERVIEW OF ADVANCED INTERFACE MODE CONFIGURATIONS CON’TDChart continued on next page PagePage 3.12 OVERVIEW OF ADVANCED INTERFACE MODE CONFIGURATIONS CON’TDSection 3 Configuration and Operation GT Series Operator’s Manual3.13 RESTORING FACTORY DEFAULT SETTINGS 13.13Make.1Enteringsure theDefaultprinter hasModebeen turned OFFIn3.13the.2previousIfYouChosemenu, toif youResetchosePrinterPRINTERSettingsSETTINGS, the following screen appears Continuous Print Operation 3.14 UNDERSTANDING CONTINUOUS PRINT AND TEAR OFF OPERATIONSSection 3.5.2 Setting Print Speed Page Section 3 Configuration and OperationThis page is intentionally left blank GT Series Operator’s Manual4.1 INTRODUCTION CLEANING AND MAINTENANCE4.2 CLEANING THE PRINT HEAD, PLATEN AND ROLLERS When to clean with the supplied cleaning set4.3 HOW TO CLEAN THE PRINTER CLEANING SET 4.4 HOW TO CLEAN THE PRINTER CLEANING SHEET Be sureCautionto turn off the power before cleaning4.5 ADJUSTING PRINT QUALITY 4.5 ADJUSTING PRINT QUALITY CONT’D Page Section 4 Cleaning and MaintenanceThis page is intentionally left blank GT Series Operator’s ManualINTERFACE SPECIFICATIONS 5.1 INTERFACE TYPES5.2 INTERFACE CARD DIP SWITCH SETTINGS RS-232C Function5.3 INTERFACE CARD DIP SWITCH SETTINGS LAN 5.4 INTERFACE CARD DIP SWITCH SETTINGS WIRELESS LAN5.5 INTERFACE CARD DIP SWITCH SETTINGS MINI LAN GT Series Operator’s Manual 5.6 SERIAL INTERFACE SPECIFICATIONS RS-232CBasic Specifications PagePin Assignments 5.7 READY/BUSYInterface Signals Timing Chart - Error Processing 5.8 SINGLE JOB BUFFERTiming Chart - Normal Processing GT Series Operator’s ManualTiming Chart - Error Processing 5.9 MULTI JOB BUFFERTiming Chart - Normal Processing GT Series Operator’s ManualSignal Type 5.10 X-ON/X-OFFInput/Output Signals ContentsTiming Chart - Error Processing 5.11 SINGLE JOB BUFFERTiming Chart - Normal Processing GT Series Operator’s ManualTiming Chart - Error Processing 5.12 MULTI JOB BUFFERTiming Chart - Normal Processing GT Series Operator’s ManualSignal Type 5.13 DRIVER PROTOCOLInput/Output Signals ContentsTiming Chart - Cancel Processing 5.13 DRIVER PROTOCOL CONT’DTiming Chart - Normal Processing GT Series Operator’s Manual5.13 DRIVER PROTOCOL CONT’D Timing Chart - Error ProcessingTiming Chart - Pause and Restart Processing GT Series Operator’s ManualGT Series Operator’s Manual Timing Chart - Status Response Processing5.13 DRIVER PROTOCOL CONT’D Page5.13 DRIVER PROTOCOL CONT’D Status ResponseContents 2 Cancel Request CommandContents Contents3 Other Status Responses Contents5.13 DRIVER PROTOCOL CONT’D Byte no5.13 DRIVER PROTOCOL CONT’D ContentsContents c Status Responses cont’d3 Form Overlay Status Request Contents5.13 DRIVER PROTOCOL CONT’D Byte numberGT Series Operator’s Manual Contentsc Status Byte Definition Page1 Normal 5.13 DRIVER PROTOCOL CONT’D4 Response sequence GT Series Operator’s ManualGT Series Operator’s Manual 2 Cancel request command5.13 DRIVER PROTOCOL CONT’D PageSignal Type 5.14 STATUSInput Output Signals ContentsTiming Chart - Cancel Process 5.15 MULTI JOB BUFFERTiming Chart - Normal Processing GT Series Operator’s ManualTiming Chart - Cancel Process 5.15 MULTI JOB BUFFER CONT’DTiming Chart - Normal Processing GT Series Operator’s ManualGT Series Operator’s Manual Timing Chart - Error Processing5.15 MULTI JOB BUFFER CONT’D Page5.15 MULTI JOB BUFFER CONT’D The details of each request or echo command are explained below1 Status Request Command Status ResponseContents 2 Cancel Request CommandContents 5.15 MULTI JOB BUFFER CONT’DGT Series Operator’s Manual 5.15 MULTI JOB BUFFER CONT’D3 Echo sequence Receive, analyze, edit3 Echo sequence 2 Cancel Request Command5.15 MULTI JOB BUFFER CONT’D GT Series Operator’s ManualReception status? 5.16 REFERENCE FLOWCHARTError detection? Display ID numberGT Series Operator’s Manual 5.17 PARALLEL INTERFACE SPECIFICATIONS CENTRONICSBasic Specifications PageSignal Type 5.17 PARALLEL INTERFACE CONT’DInterface Signals ContentsTiming Chart - Procedure during Paper End 5.18 SINGLE JOB BUFFERTiming Chart - Normal Processing GT Series Operator’s ManualGT Series Operator’s Manual 5.18 SINGLE JOB BUFFER CONT’DTiming Chart - Error Processing Page 5.19 MULTI JOB BUFFERGT Series Operator’s Manual DATA Initia lReceive, an alyze, edit 5.19 MULTI JOB BUFFER CONT’DGT Series Operator’s Manual R eceive, anaPage 5.19 MULTI JOB BUFFER CONT’DGT Series Operator’s Manual R eceive, an alyze, e ditNear full clear 5.20 IEEE 1284 INTERFACEBasic Specifications GT Series Operator’s Manual 5.20 IEEE 1284 INTERFACE CONT’DPin Assignment Page5.20 IEEE 1284 INTERFACE CONT’D 5.21 INTERFACE SIGNALSWith Centronics standards, each signal pin placement is as follows Pin AssignmentPage 5.22 SINGLE JOB BUFFERGT Series Operator’s Manual Receive, analyze, editGT Series Operator’s Manual 5.22 SINGLE JOB BUFFER CONT’DTiming Chart - Procedure during Paper End GT Series Operator’s Manual 5.23 MULTI JOB BUFFERTiming Chart - Normal Process PageGT Series Operator’s Manual 5.23 MULTI JOB BUFFER CONT’DTiming Chart - Procedure during Paper End 5.24 DRIVER PROTOCOL Echo Status 5.24 DRIVER PROTOCOL CONT’DContents Status ContentsContents StatusByte no Contents5.24 DRIVER PROTOCOL CONT’D 5.24 DRIVER PROTOCOL CONT’D ContentsContents Byte noByte number Contents5.24 DRIVER PROTOCOL CONT’D 6.2 USING THE CENTRONICS PARALLEL INTERFACE TROUBLESHOOTING6.1 INITIAL CHECKLIST Observations6.2 USING THE CENTRONICS PARALLEL INTERFACE CONT’D 6.3 USING THE RS232C SERIAL INTERFACE ObservationsActivity 6.4 UNDERSTANDING THE STATUS INDICATORSIndicator CauseGT Series Operator’s Manual 6.5 UNDERSTANDING THE LCD ERROR MESSAGESError No PageClean the paper path to establish a smooth paper flow Section 6 TroubleshootingError No Head related errorGT Series Operator’s Manual Section 6 TroubleshootingError No PageItem Number error Section 6 TroubleshootingError No Remove the wound label. If the same error message perGT Series Operator’s Manual Section 6 TroubleshootingError No PageGT Series Operator’s Manual 6.6 LCD WARNING MESSAGESError No LCD MessageRemedy 6.7 TROUBLESHOOTING GUIDEWhat to check Symptom The display remains blank when the power switch is pressedRemedy 6.7 TROUBLESHOOTING GUIDE CONT’D Symptom Low quality printWhat to check GT Series Operator’s ManualWhat to check 6.7 TROUBLESHOOTING GUIDE CONT’DSymptom Print position is misaligned RemedyPage Section 6 TroubleshootingThis page is intentionally left blank GT Series Operator’s Manual7.2 AVAILABLE INTERFACE BOARDS OPTIONAL ACCESSORIES7.1 INTRODUCTION Interface Specifications Interface connector¤ Simplified peel unit factory option 7.3 LABEL MANAGEMENT ACCESSORIES¤ Peel unit with mounting winder factory option ¤ Cutter Unit factory option7.3 PCMCIA MEMORY CARTRIDGE 17.3.Lift1Installingup the frontthememorycover. cardPage Section 7 Optional AccessoriesThis page is intentionally left blank GT Series Operator’s Manual