SATO LM408/412E No Printed Image, Printer Creates a Blank Label, Incorrect Label Positioning

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	Unit 5: Troubleshooting

NO PRINTED IMAGE

Print head is disconnected.		Ensure print head wiring harness is connected on each end.

No voltage output.		Replace fuse. Test power supply and replace as required.

Defective print head.		Replace print head and reset counter.

Damaged electronics.		Replace circuit board.

Interface problems.		Troubleshoot interface - refer to the next chapter.

Data input error.		Ensure correct data stream.

PRINTER CREATES A BLANK LABEL.

Data input error.		Ensure correct data stream.

Incorrect label sensor selection.		Ensure correct printer configuration.

Disconnected print head.		Power off the printer and ensure a proper connection.

Defective print head.		Replace print head as required.

Defective main circuit board.		Replace main board as required.

INCORRECT LABEL POSITIONING.

Incorrect label sensor selection.		Ensure correct printer configuration.

Improper sensor adjustment.		Adjust sensor sensitivity as required.

Data input error.		Ensure correct data stream.

Incorrect offset settings.		Adjust settings as required.

Incorrect applicator setup.		Refer to applicator documentation or contact manufacturer.


SMEARED PRINT IMAGES

Poor media quality.		Use higher quality media.

Foreign material on print head and platen roller.		Clean print head and rollers.

Foreign material on labels.		Use higher quality media.

Excessive print head energy.		Adjust darkness setting.

Excessive print speed.		Adjust print speed as required.

LM408-412e Operator Manual

5-4

PN: 9001155A

Image 63

Contents Printer Sato America, Inc Table of Contents Troubleshooting Printer ConfigurationMaintenance AppendixOffset Introduction Equipment Damage About this Manual1a, Primary Components General DescriptControl Features Operator Panel Features LED DefinitionDipswitches Definition Operator Panel Technical Data Processing Physical CharacteristicsPower EnvironmentalRibbon CommandSensing MediaCharacter Font Capabilities Postnet Barcode CapabiltiesUPC A/E MSIInstallation Unpacking & Parts Identification Unpacking & Parts IdentificationPrinter Installation Site LocationCable Connection Media & Ribbon Loading Media Selection3b, Fan-fold Media Loading Operational Mode Selection TEAR-OFF ModeContinuous Mode RS232C HIGH-SPEED Serial Interface Interface SpecificationsAccessories Installation unit for guidance Interface SelectionPIN Direction Signal Definition OFF ODD Even NoneOFF ON/X-OFF ON/X-OFF Cable Requirements READY/BUSY Cable Requirements DB9Host Direction PrinterACK SpecificationsPIN Assignments Signal Direction IEEE1284 Parallel InterfaceLocal Area Network LAN Ethernet Dipswitch SettingsSetting Universal Serial BUS USBSoftware Specifications 802.11G Wireless InterfaceLED Indicator Status Description Switch SettingInterface Signals ALL InterfacesCable Requirements 50 of 500 items in the history buffer Receive Buffer ControlInterface Installation Accessories InstallationPrinter Configuration Unit 4 Printer Configuration Dipswitch Functions Switch Setting Description Dipswitch SettingsNormal Mode Configuration ModesAdvanced Mode Advanced ModeNo change User Download ModeACK Signal XX.X Service ModeCard Mode Card ModeMotion Mode Move ModeHistory Control Mode History Control ModeDSW7 on Line + Feed + Power Protocol Initialization ModeCounters Mode Counters Mode10, Test Print Mode Test Print Mode11, Boot Download Mode Boot Download Mode12, Flash Memory Download Mode Flash Memory Download ModeYes Default Setting ModeDSW4 on Power HEX Dump Mode15, Maintenance Mode Maintenance ModeNormal Mode Table Menu Definition TablesMenu Description Advanced Mode Table Transitional menu screen to access the Service Mode Language optionsVoltageThreshold low voltage + high voltage = 12 volts Service Mode Table Transitional menu screen to access the Move Mode Is only a transitional menu screen for the Service ModeOperator to the biginning of the Card Mode Is only a transitional menu screen to access the Move ModeDetermined Continuous or Tear-Off Without pause for applicationHas been removed for application Transitional menu screen to access the Counters Mode Counters Mode TableFont The contents of the installed fonts Is the initial screen of the Test Print ModeConfiguration The printer’s configuration settings Barcode The printer’s installed barcodesTo proceed to the Factory Mode Maintenance Mode Table Troubleshooting Error Signal Troubleshooting Troubleshooting Table Smeared Print Images No Printed ImagePrinter Creates a Blank Label Incorrect Label PositioningCHK Troubleshooting Step Interface TroubleshootingLAN Ethernet Interface DSW4 on Power Test Print TroubleshootingFeed Test Label PrintingSample Test Label Maintenance PRINTER, Excersize Care to Prevent Print Head Damage Cleaning ProceduresPrint Head Replacement Replacement Procedures1a, Print Head Replacement Interface Board Replacement Interface Board ReplacementFuse Replacement Fuse ReplacementPrint Head Balance Adjustment Adjustment Procedures5a, Print Head Alignment Print Head AlignmentHead Balance and Print Head Alignment Ribbon Guide AlignmentLabel Sensor Positioning Label Sensor PositioningRibbon Spindle Tensioning Ribbon Spindle TensioningOperational Adjustments Potentiometer DESCRIPTION/PROCEDUREDarkness Label Print Direction Appendix Print Setup Dimensions Print Setup DimensionsReflective Sensor Label Reference Position3a, Standard Position Label Adjustment DiagramPrinter Connection Diagram 5a, Printer Loading Diagram Printer Loading Diagram5c, Printer Loading Diagram Glossary GlossaryAscii Half. The core is convexed and the cavity is concaved Bytes Collection of 8 bits used in the binary systemBeing its mating half Is a plug male and the other is a socket femaleData transmission, seven additional bits are required DPIDram EepromTo attach two or more objects PowerTag would typically have to be removed from its object Next label for printingLED LCDOr voltage divider Primary PotentiometerRfid RAMRF/AIS RF/DCSbpl ROMRPM SAMSram Glossary