Seiko TM-U590/U590P Printer sounds like it is printing, but nothing is printed, Printout is faint

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If the self test works properly, check the following:

1.Check the connection at both ends of the interface cable between the printer and the computer. Also make sure that this cable meets the specifications for both the printer and the computer.

2.The data transmission settings may be different between the printer and computer. Make sure that the printer’s DIP switch settings for data transmission are the same as the computer’s. You can print the printer’s interface settings using the self test.

If the printer still does not print, contact your dealer or a qualified service person.

The printer sounds like it is printing, but nothing is printed.

The ribbon cassette may not be installed properly. See the instructions in Chapter 1.

The ribbon may be worn out. Replace the ribbon cassette as described in Chapter 1.

The printout is faint.

The ribbon may be worn out. Replace the ribbon cassette as described in Chapter 1.

A line of dots is missing in the printout.

The print head may be damaged. Stop printing and contact your dealer or a qualified service person.

3-2Troubleshooting

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Contents TM-U590/U590P Printer Parts and Labels LabelsQuick Reference Setting Up the PrinterSolving Problems Validating and Verifying ChecksPage For American Users FCC Compliance StatementIii Declaration of Conformity EMI and Safety Standards Applied About This Manual Setting Up and UsingReference Introduction FeaturesAccessory OptionsOrdering Ribbon Cassettes Contents Appendix B Epson Sales Subsidiaries Setting Up the Printer Unpacking2Setting Up the Printer Removing the protective materialConnecting the Cables and Grounding the Printer Connecting the computer4Setting Up the Printer Connecting the Drawer 6Setting Up the Printer Anschließen der LadeConnecting the Display Module Grounding the PrinterConnecting the Power Supply 8Setting Up the PrinterPage Installing the Ribbon Cassette 10Setting Up the PrinterKnob Self Test Using the Power Switch Cover12Setting Up the Printer Running the self testDIP Switch Settings CompletedRemoving the Paper Guide Slide the paper guide to the left to remove it Operating the Control Panels Using the PrinterUsing the Printer Control Panel2Using the Printer Indicator lightsPanel lights Slip Paper Handling 4Using the Printer Using the Micr Reader OptionReading Micr characters on personal checks Using the Printer General problems TroubleshootingTroubleshooting Printing problemsPrintout is faint 2TroubleshootingPrinter sounds like it is printing, but nothing is printed Line of dots is missing in the printoutMica cleaning method Recommended Cleaning the Optional Micr MechanismPaper handling problems Cleaning procedureAdhesive Cleaning Sheet 4TroubleshootingMoistened Cleaning sheet Explanatin of a cleaning sheetCommand code sequence Adhesice cleaning sheet Refer to Figure6Troubleshooting Hexadecimal DumpReference Information Printing SpecificationsPaper Ribbon Specifications Micr Reader OptionPaper feed pitch Paper SpecificationsPaper feed method Paper feed speedPaper Ambient temperature and copy capability4Reference Information Copy capability and paper thickness 6Reference Information Reference Information Electrical Characteristics ReliabilityMtbf Mcbf Environmental Conditions TemperatureHumidity DIP switch functions Dip Switch SettingSetting the DIP Switches Serial interface specification2Dip Switch Setting Parallel interface specification Dip Switch Setting A-3Changing the DIP switch settings 4Dip Switch SettingEpson Sales Subsidiaries Epson Sales Subsidiaries B-12EPSON Sales Subsidiaries