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Datamax Allegro 2 manual Troubleshooting, Unacceptable Print Quality

Models: Allegro 2

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Troubleshooting

4.3Troubleshooting

Occasionally, situations occur that require some troubleshooting skills. Possible problem situations and potential solutions are listed in this section. While not every situation is addressed, you may find some of these tips helpful. After the corrective action is taken press the Feed Button to clear the alarm. Contact a qualified service technician for problems that persist or are not covered in this section.

Unacceptable Print Quality:

a.Dirty Printhead. Clean the Printhead.

b.Printhead temperature is too high. Use the software control to adjust the burn time or heat setting.

c.Incorrect ribbon/paper combination being used. Be sure to use the correct ribbon type.

The Printer Does Not Print, or Prints Several Labels at once:

a.Labels are incorrectly loaded. See the loading instructions on the inside cover of the Printer, or Section 1.4.

b.Media Sensor may be out of adjustment.

c.Media Sensor or Media Sensor circuitry may be defective, call for service.

Allegro2

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Datamax Allegro 2 Troubleshooting, Unacceptable Print Quality, Printer Does Not Print, or Prints Several Labels at once

Contents

Allegro2 Operator’s Manual Part Number Revision A3 Agency Compliance and Approvals Page Important Safety Instructions Page Contents Maintenance Getting Started IntroductionUnpacking and Inspection Mechanism Detail Location of Parts on Your Printer Rear View Tear Bar Assembly Installation Tear- off Assembly Installation Buttons, Lights and Switches Using the Printer Control Panel Getting Started Ribbon SwitchPaper/Ribbon Light Media Installation InstallationLabels Label Loading Instructions Ribbon Loading Ribbon Loading Instructions Using the Printer Options To install a Memory ModuleAvailable Modules 256K and 512K RAM Modules OptionsCutter Font ROM Modules Peel and Present Present SensorMedia Rewinder Getting Started Allegro2 Setting Up Your Printer Power Up Self-TestChecking Voltage Selection Test Label Interfacing to the Printer Part Number DescriptionInterface Cables Sample Installations Connecting to a CRTConnecting to a PC Connecting to Your Non-ASCII Device Connecting to Your Minicomputer Switch Settings Switch Settings Word Length Setting the Baud RateBaud 9600 4800 2400 1200 300 Test Baud Rate Switch Settings and Functions Other Switches Immediate Commands Programming Commands Char Description Format System-Level Commands Batch, 1-Cutter Enable Description Format Label-Formatting Commands Special Label-Formatting Commands Programming Examples 10 Font-Loading Commands Example line Setting Up Your Printer Allegro2 Creating Labels Using Internal Batch Software Check Link CRT Settings Printer Used With a Link CRTConnect Cables Batch System Initialization Function Default Settings Verify Setup, Power Up, and Load Media Function Keys Formatting and Printing LabelsAvailable Fonts and Barcodes Menu Screens Label Name NEW Label Name ALT-P Screen Print Parameters Description Default Range Other Important Keys Print Label Screen Header Create/Modify Label Screen Creating Labels Using Internal Batch Software Sample Label Format Creating Labels Using Internal Batch Software Invalid Font Type Smooth Font Information Smooth Font Valid BH Ranges Number OUT of Range Creating Labels Using Internal Batch Software Not Enough Room for Field Data Lines Lhhhvvv Creating Labels Using Internal Batch Software = Day number 1 = Monday Time and Date Information Format Prints Sample Print Label Screen Print Label Screen Creating Labels Using Internal Batch Software System Maintenance Menu System Maintenance Screen Print Test Label Reset PrinterCopy Module Metric Create/Modify Label Commands Command Valid InputsQuick Reference Listing Print Parameters ALT-P Special KeysKey Function Troubleshooting Controlling Print Quality Tag Stock or Stiff Media Mechanical AdjustmentsAligning the Printhead Direct-Thermal Stock Printhead Alignment Printhead Alignment Procedure Label Stock Tracking AdjustmentRibbon Feed and Tracking Adjustments Fine Printhead Alignment Troubleshooting Allegro2 Printhead Mount Assembly Adjusting Printhead Pressure and Support Troubleshooting Unacceptable Print QualityPrinter Does Not Print, or Prints Several Labels at once Unable to print in rotation Erratic PrintingRibbon Does Not Advance Skips Every Other Label Printer fails to turn on Prints Light on the Right Side of the Label Maintenance Interior and ExteriorDrive Roller Area Method Interval Cleaning Schedule Cleaning the Printhead Cleaning the Printhead Maintenance Allegro2 Page Appendix a Ascii Control Code Chart Maintenance Allegro2 Char Hex Dec Page Table B-3 Options Appendix B Switch Settings and Cable InterfacingTable B-1 Baud Rate Table B-2 Word Length Table B-2 Printer Default Communication Parameters Signal PinTable B-1 I/O Port Wiring Paramete Default Value Table C-1 Valid Human-Readable Font Ascii Characters Appendix CAvailable Fonts and Barcodes Fonts Table C-2 Font Sizes Font 6 62-character alphanumeric, uppercase Available Fonts and Barcodes Barcodes Table C-3 Barcode Characteristics Hbic Barcode I Codabar Kmart NON EDI Uppercase T Error CodesLowercase Uppercase R Allegro2 Table E-2 Printer Pin Connections Appendix ETable E-1 Printer Interface Cables Pin Description Straight Cable MXM PC DB25P to Printer Figure E-5 Centronics Parallel Interface Converter ∙ Parallel to Serial Adapter Part Number Printing Appendix F Barcodes Fonts Label Material Media Table F-1 Media Dimensions Label/Tag Media Specifications Electrical Lights, Buttons, Switch and POTLists of Approved Media Communications Interfacing Environmental PhysicalOptions 256K Flash Eeprom Specifications Allegro2 Printer Appendix G Thermal Printhead Warranty Service Procedures Limitation of Liability General Warranty Provisions