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  1. GK420T Desktop Thermal Printer User Guide
  2. Print Operations
  • GK420t Desktop Thermal Printer User Guide
  • GK420t Desktop Thermal Printer User Guide
  • About This Guide
    • Notational Conventions
    • Icon Conventions
  • Introduction
    • GK Series Thermal Printers
    • What is in the Box
      • Unpack and Inspect the Printer
      • Your Printer
      • Opening the Printer
      • Printer Features
    • Operator Controls
      • Power Switch
      • FEED Button
      • Status Light
    • Closing the Printer
  • Getting Started
    • Printer Setup Overview
    • Attaching Power
    • Loading Roll Media
      • Preparing Media
      • Placing the Roll in the Media Compartment
    • Loading Transfer Ribbon
    • Printing a Test (Printer Configuration) Label
    • Connecting your Printer to a Device
      • Connecting to a Phone or Tablet
      • Installing Drivers and Connecting to a Windows-Based Computer
      • Pre-install Windows Printer Drivers
        • Installing the Drivers
      • Running the Printer Installation Wizard
      • Plug-n-Play (PnP) Printer Detection and Windows Operating Systems
      • Ethernet
      • Serial Port and Windows Operating Systems
      • Interface Cable Requirements
        • USB Interface Requirements
        • Serial Communications
        • Parallel Port
        • Ethernet Cable
    • After Your Printer is Connected
      • Testing Communications by Printing
        • Test-Printing using Zebra Setup Utilities
        • Test Printing with Windows Printer and Faxes Menu
        • Test Print on an Ethernet Printer
        • Test Print with a Copied ZPL Command File
    • What to Do If You Forget to Install Printer Drivers First
  • Print Operations
    • Determining Printer Configuration
      • Localizing the Printer Configuration Label
    • Long-Term Printer Inactivity or Storage
    • Thermal Printing
    • Methods and Modes of Printing
    • Print Media Types
      • Determining Thermal Media Types
        • Performing a Media Scratch Test
    • Replacing Printing Supplies
    • Ribbon Overview and Use
      • Ribbon Test with Adhesive
      • Ribbon Scratch Test
      • Replacing Transfer Ribbon
      • Replacing a Partially-Used Transfer Ribbon
    • Adjusting the Print Width
    • Adjusting the Print Quality
    • Media Sensing
    • Printing on Fanfold Media
    • Printing with Externally-Mounted Roll Media
      • Externally-Mounted Roll Media Considerations
    • Fonts and Your Printer
      • Localizing the Printer with Code Pages
      • Identifying Fonts in Your Printer
        • ZPL Fonts
        • EPL Fonts
    • Standalone Printing
    • Sending Files to the Printer
    • Print Meter
    • EPL Line Mode
  • Printer Options
    • Label Dispenser Option
    • ZebraNet 10/100 Internal (Wired) Print Server Option
      • Printer Network Configuration Label
    • Zebra Keyboard Display Unit (KDU) Printer Accessory
    • KDU Plus — Printer Accessory
    • ZBI 2.0 Zebra Basic Interpreter
  • Maintenance
    • Cleaning
      • Cleaning the Printhead
      • Clean the Media Path
      • Cleaning the Sensor
      • Platen Cleaning and Replacement
    • Other Printer Maintenance
    • Removing and Replacing the Printhead
  • Diagnostics and Troubleshooting
    • Status Light Descriptions and Error Resolutions
    • Print Quality Problems
    • Manual Calibration
    • Troubleshooting Tests
    • Resetting the Factory Default Values
    • Communications Diagnostics
    • FEED Button Modes
  • Interface Wiring
    • Universal Serial Bus Interface
    • Parallel Interface
    • Ethernet Interface
    • Serial Port Interface
  • Dimensions
    • GK420 Desktop Thermal Printer – External Dimensions
  • ZPL Configuration
    • Managing the ZPL Printer Configuration
      • ZPL Printer Configuration Format
    • ZPL Configuration Status to Command Cross-reference
    • Printer Memory Management and Related Status Reports
      • ZPL Programming for Memory Management
Print Operations

Print Operations

This section provides media and print handling, font and language support, and the setup of less common printer configurations.
Determining Printer Configuration
Long-Term Printer Inactivity or Storage
Thermal Printing
Methods and Modes of Printing
Print Media Types
Replacing Printing Supplies
Ribbon Overview and Use
Adjusting the Print Width
Adjusting the Print Quality
Media Sensing
Printing on Fanfold Media
Printing with Externally-Mounted Roll Media
Fonts and Your Printer
Standalone Printing
Sending Files to the Printer
Print Meter
EPL Line Mode

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