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  1. ZD421 and ZD621 Series Desktop Printers User Guide
  2. Color Touch Display and Controls
  3. System Menu
  • ZD421 and ZD621 Desktop Printer User Guide
  • ZD421 and ZD621 Desktop Printer User Guide
  • About This Guide
    • Other Valuable Printer Resources
    • Zebra OneCare Printer Service and Support
    • Notational Conventions
    • Icon Conventions
  • Introduction
    • Link-OS 4 inch Desktop Thermal Printers
    • Common Desktop Printer Features
      • Link-OS 4-inch Desktop Printer Options
    • What’s in the Box?
    • Unpacking and Inspecting the Printer
    • What You Will Need to Print
    • Modes of Printing
    • Opening Your Printer
    • Closing Your Printer
  • Printer Features
    • Exterior Features of Your Printer
    • Inside the ZD421 Dual Capacity Ribbon Roll Printer
    • Inside the ZD621 Dual Capacity Ribbon Roll Printer
      • RFID Antenna Location – ZD621R Printers Only
      • Media Dancer – ZD621 Printers Only
    • Dual-Capacity Ribbon Chassis – Ribbon Roll Holders
    • Inside the ZD421 Direct Thermal Printer
    • Inside the ZD621 Direct Thermal Printer
    • Inside the ZD421 Ribbon Cartridge Printer
      • Accessing the Printhead of the ZD421 Ribbon Cartridge Printer
    • Label Dispenser Option (field-installable) – All Models
    • Cutter Option (field-installable) – All Models
    • Linerless Media Tear-Off Option – Direct Thermal Models Only
    • Linerless Cutter Option – Direct Thermal Models Only
    • Identifying Platen Drive Roller Types
    • Printer Power Supply Options
      • Attached Power Supply Base
      • Attached Battery Base and Battery
    • ZD621 Direct Thermal Locking Printer Feature – Healthcare Models Only
    • Zebra Print Touch for Near-Field Communications (NFC)
  • Controls and Indicators
    • User Interface
    • Standard Interface Controls
    • Meaning of the Indicator Light Patterns
      • Status – Typical Operating Conditions
      • Status – Printhead Operation
      • Status – Bluetooth Low Energy Option
      • Status – Ethernet (LAN) Option
      • Status – Wi-Fi (WLAN) Option
    • Battery Indicators and Controls
  • Install Hardware Options
    • Field-Installable Printer Accessories and Options
    • Printer Connectivity Modules
      • Accessing the Connectivity Module Slot
      • Installing the Serial Port Module
      • Installing the Internal Ethernet (LAN) Module
      • Removing Printer Connectivity Modules
    • Installing the Wireless Connectivity Module
    • Finding Your Printer's Media Access Control (MAC) Address
    • Media Handling Options
      • Removing the Standard Bezel
      • Installing the Label Dispenser
      • Installing the Standard Media Cutter
    • Media Roll Core Size Adapters
      • Installing the Media Roll Adapters
    • Installing the Attached Power Supply Base Options
    • Installing the Attached Battery Base Options
    • Installing the Battery into the Attached Power Base
  • Color Touch Display and Controls
    • Color Touch Display Printer Controls
    • Home Screen
      • Printer Status
      • Printer Info
      • Printer Wizards
      • User Menus
    • System Menu
      • System > Language
      • System > Program Language > Diagnostic Mode
      • System > Program Language > Virtual Device
      • System > Program Language > ZBI
      • System > Settings > Display Time Format
      • System > Settings > Password Level
      • System > Settings > Set Password
      • System > Settings > Power Up Action
      • System > Settings > Head Close Action
      • System > Settings > Screen Calibration
      • System > Settings > Restore Defaults
      • System > Settings > Print: System Settings
      • System > Energy Saving > Energy Star
    • Connection Menu
      • Connection > Networks > Reset Network
      • Connection > Networks > Primary Network
      • Connection > Networks > IP Port
      • Connection > Networks > IP Alternate Port
      • Connection > Networks > Print: Network Info
      • Connection > Networks > Visibility Agent
      • Connection > Wired > Wired IP Protocol
      • Connection > Wired > Wired IP Address
      • Connection > Wired > Wired Gateway
      • Connection > Wired > Wired MAC Address
      • Connection > WLAN > WLAN IP Protocol
      • Connection > WLAN > WLAN IP Address
      • Connection > WLAN > WLAN Subnet
      • Connection > WLAN > WLAN Gateway
      • Connection > WLAN > WLAN MAC Address
      • Connection > WLAN > ESSID
      • Connection > WLAN > WLAN Security
      • Connection > WLAN > WLAN Band
      • Connection > WLAN > WLAN Country Code
      • Connection > Bluetooth > Bluetooth
      • Connection > Bluetooth > Bluetooth Discovery
      • Connection > Bluetooth > Friendly Name
      • Connection > Bluetooth > Minimum Security Mode
      • Connection > Bluetooth > Specification Version
      • Connection > Bluetooth > MAC Address
      • Connection > Bluetooth > Bluetooth Auth. PIN
      • Connection > Bluetooth > Bluetooth Bonding
    • Print Menu
      • Print > Print Quality > Darkness
      • Print > Print Quality > Print Speed
      • Print > Print Quality > Print Type
      • Print > Print Quality > Label Type
      • Print > Print Quality > Label Length
      • Print > Print Quality > Label Width (Dots)
      • Print > Label Position > Collection Method
      • Print > Label Position > Tear Line Offset
      • Print > Label Position > Horizontal Label Offset
      • Print > Label Position > Vertical Label Offset
      • Print > Sensors > Manual Calibration
      • Print > Sensors > Label Sensor
      • Print > Sensors > Sensor Type
      • Print > Sensors > Print: Sensor Profile
      • Print > Print Station
      • Print > Applicator > Applicator Port Mode
      • Print > Applicator > Start Print Mode
      • Print > Applicator > Error on Pause
      • Print > Applicator > Applicator Reprint
    • RFID Menu
      • RFID > RFID Status
      • RFID > RFID Test
      • RFID > RFID Calibrate
      • RFID > Read Power
      • RFID > Write Power
      • RFID > RFID Antenna
      • RFID > RFID Valid Count
      • RFID > RFID Void Count
      • RFID > RFID Program Position
      • RFID > Read RFID Data
    • Storage Menu
      • Storage > USB > Copy: Files to USB
      • Storage > USB > Copy: Files to Printer
      • Storage > USB > Copy: Configuration to USB
      • Storage > USB > Print: From USB
      • Storage > Print Asset Lists
      • Storage > USB > Print from E:
  • Setup
    • Printer Setup Overview
    • Select a Location for the Printer
    • Install Printer Options and Connectivity Modules
    • Attaching the Printer to a Power Source
    • Media Preparation for Printing
      • Preparing and Handling Media
      • Media Storage Guidelines
    • Roll Media Types and Loading
      • Setting Media Sensing by Media type
      • Loading Media
      • Movable Sensor Adjustment
        • Adjusting the Movable Sensor for Black Marks or Notches
        • Adjusting the Movable Sensor for Web (Gap) Sensing
    • Loading Roll Media for Cutter Models
    • Thermal Transfer Roll Ribbon Loading
      • Loading Zebra Transfer Roll Ribbon
      • Loading Non-Zebra 300-Meter Transfer Ribbon
    • Loading the Ribbon Cartridge – ZD421 Ribbon Cartridge Printers Only
    • Running a SmartCal Media Calibration
    • Test Printing with a Configuration Report
    • Detecting and Recovering from a Media-Out Condition
    • Detecting and Recovering from a Ribbon-Out Condition
    • Connecting Your Printer to a Computer
      • Interface Cable Requirements
      • USB Interface
      • Serial Interface
      • Ethernet (LAN, RJ-45)
        • Assigning an IP Address for Network Access
        • DHCP for Personal Networks
        • Using Your Printer on a Managed Network
        • Print Server User ID and Password Defaults
      • Wi-Fi and Bluetooth Classic Wireless Connectivity Option
    • Update Printer Firmware to Finish Option Installations
    • What To Do If You Forget to Install the Printer Drivers First
  • Setup for Windows
    • Windows-to-Printer Communication Setup (Process Overview)
    • Installing the Windows Printer Drivers
    • Running the Printer Installation Wizard
    • Setting Up the Wi-Fi Print Server Option
    • Configuring the Printer Using ZebraNet Bridge’s Connectivity Wizard
      • Sending a ZPL Configuration Script to the Printer
    • Configuring the Printer Using Bluetooth
      • Connecting the Printer to a Windows 10 OS
    • After Your Printer is Connected
      • Test Printing with Zebra Setup Utilities
      • Test-Printing with the Windows Printer and Faxes Menu
      • Test-Printing with an Ethernet Printer Connected to a Network
      • Test-Printing with a Copied ZPL Command File for Non-Windows Operating Systems
  • Print Operations
    • Thermal Printing
    • Determining Your Printer’s Configuration Settings
    • Select a Print Mode or Collection Method
    • Adjusting the Print Quality
    • Adjusting the Print Width
    • Replacing Supplies while Using the Printer
    • Printing on Fanfold Media
    • Printing with Externally-Mounted Roll Media
    • Using the Label Dispenser Option
    • Using the Linerless Options
      • Linerless Printing
    • Sending Files to the Printer
    • Ribbon Cartridge Programming Commands
    • Printing with the Attached Battery Base and Battery Option
      • Uninterrupted Power Supply (UPS) Mode
      • Battery Mode
    • Printer Fonts
      • Identifying Fonts in Your Printer
      • Localizing the Printer with Code Pages
      • Asian Fonts and Other Large Font Sets
    • EPL Line Mode (Direct Thermal Printers only)
    • ZD621 Locking Printer Option
    • Zebra Keyboard Display Unit (ZKDU) – Printer Accessory
    • Zebra Basic Interpreter (ZBI)
    • Setting the Power Failure Recovery Mode Jumper
  • USB Host Port and Link-OS Usage Examples
    • USB Host
    • Using a USB Host for Firmware Updates
    • Files for Completing the Exercises
    • Exercise 1: Copy Files to a USB Flash Drive and Perform USB Mirror
    • Exercise 2: Print a Label Format from a USB Flash Drive
    • Exercise 3: Copy Files to/from a USB Flash Drive
    • Exercise 4: Enter Data for a Stored File with a USB Keyboard and Print a Label
    • Using the USB Host Port and Near Field Communication (NFC) Capabilities
      • Exercise 5: Enter Data for a Stored File with a Smart Device and Print a Label
  • Maintenance
    • Cleaning
      • Cleaning Supplies
      • Recommended Cleaning Schedule
      • Cleaning the Printhead
        • Cleaning the Printhead – ZD421/ZD621 Direct Thermal Printers
        • Cleaning the Printhead – ZD421/ZD621 Thermal Transfer Printers
        • Cleaning the Printhead – ZD421 Ribbon Cartridge Printers
      • Cleaning the Media Path
        • Cleaning the Media Path – Lower Half of ZD421/ZD621 Printers
        • Cleaning the Media Path – Upper Half of ZD421/ZD621 Direct Thermal Printers
        • Cleaning the Media Path – Upper Half of ZD421/ZD621 Thermal Transfer Printers
        • Cleaning the Media Path – Upper Half of ZD421 Thermal Transfer Ribbon Cartridge Printers
      • Cleaning the Cutter Option
      • Cleaning the Label Dispenser Option
      • Cleaning the Sensor
        • Cleaning the Sensor – Lower Half of the ZD421/ZD621 Printers
        • Cleaning the Sensor – Upper Half of ZD421/ZD621 Direct Thermal Printers
        • Cleaning the Sensor – Upper Half of the ZD421/ZD621 Thermal Transfer Printers
        • Cleaning the Sensor – Upper Half of the ZD421 Ribbon Cartridge Printers
      • Cleaning and Replacing the Platen
      • Replacing the Printhead
        • Replacing the Printhead – ZD421/ZD621 Direct Thermal Printer Models
        • Replacing the Printhead – ZD421/ZD621 Thermal Transfer Ribbon Roll Printer Models
        • Replacing the Printhead – ZD421 Thermal Transfer Ribbon Cartridge Printer Models
    • Updating Printer Firmware
    • Other Printer Maintenance
    • Fuses
  • Troubleshooting
    • Resolving Alerts and Errors
      • Alert: Printhead Open
      • Alert: Media Out
      • Alert: Ribbon In – ZD421 Ribbon Cartridge Printer Only
      • Alert: Ribbon Out
      • Alert: Ribbon Low – ZD421 Ribbon Cartridge Printer Only
      • Alert: Cutter Error
      • Alert: Printhead Over Temp
      • Alert: Printhead Shutdown
      • Alert: Printhead Under Temp
      • Alert: Out of Memory
    • Resolving Print Issues
      • Issue: General Print Quality Issues
      • Issue: No Print on the Label
      • Issue: Labels Are Distorted in Size or Print Area Start Position Varies
    • Communication Issues
      • Issue: Label Job Sent, No Data Transfer
      • Issue: Label Job Sent, Skips Labels or Prints Bad Content
      • Issue: Label Job Sent, Data Transfers, But No Print
    • Miscellaneous Issues
      • Issue: Settings are Lost or Ignored
      • Issue: Non-continuous labels act as Continuous labels
      • Issue: Printer Locks Up
      • Issue: Erroneous Ribbon Cartridge Faults
      • Issue: Battery Displays a Red Indicator
  • Tools
    • Printer Diagnostics
      • Power-On Self Test
      • Running a SmartCal Media Calibration
      • Printing the Printer and Network Configuration Reports (CANCEL Self Test)
        • Network (and Bluetooth) Configuration Report
      • Printing a Print Quality Report (FEED Self Test)
        • Printing a Print Quality Report
      • Resetting Non-Network Printer Configuration Settings to their Factory Defaults
      • Resetting the Printer's Network Settings to Their Factory Defaults
      • RESET Button Functions
      • Performing a Communication Diagnostics Test
      • Sensor Profile
    • Activating Advanced Mode
      • Manually Calibrating Media
      • Manual Print Width Adjustment
      • Manual Print Darkness Adjustment
      • Factory Test Modes
  • Interface Connector Wiring
    • Universal Serial Bus (USB) Interface
    • Serial Port Interface
  • Dimensions
    • Dimensions – ZD421/ZD621 Direct Thermal Printer Models
    • Dimensions – ZD421/ZD621 Thermal Transfer Printer Models
    • Dimensions – ZD421C (Ribbon Cartridge Thermal Transfer) Printer Models
  • Media
    • Types of Thermal Media
      • Determining Thermal Media Types
    • General Media and Print Specifications
  • ZPL Configuration
    • Managing the ZPL Printer Configuration
      • ZPL Printer Configuration Format and Reusable Files
    • Configuration Setting to Command Cross-reference
    • Printer Memory Management and Related Status Reports
      • ZPL Programming for Memory Management
  • Glossary
    • alphanumeric
    • backfeed
    • barcode
    • black mark media
    • calibration (of a printer)
    • collection method
    • configuration
    • continuous media
    • core diameter
    • diagnostics
    • die-cut media
    • direct thermal
    • direct thermal media
    • fanfold media
    • firmware
    • FLASH memory
    • font
    • gap/notch media
    • ips (inches-per-second)
    • label
    • label backing (liner)
    • label type
    • void
    • LCD (liquid crystal display)
    • LED (light emitting diode)
    • linerless media
    • mark media
    • media
    • media sensor
    • media supply hangar
    • non-continuous media
    • non-volatile memory
    • notched media
    • peel-off mode
    • perforated media
    • print speed
    • print type
    • printhead wear
    • Radio frequency identification (RFID) "smart" media
    • receipt
    • registration
    • ribbon
    • ribbon wrinkle
    • roll media
    • supplies
    • symbology
    • tag stock
    • tear-off mode
    • thermal transfer
System Menu

System Menu

Use System menu items to specify settings for printer function and printer options, set the display language, and restore defaults.
Color Touch Display and Controls
System > Language
System > Program Language > Diagnostic Mode
System > Program Language > Virtual Device
System > Program Language > ZBI
System > Settings > Display Time Format
System > Settings > Password Level
System > Settings > Set Password
System > Settings > Power Up Action
System > Settings > Head Close Action
System > Settings > Screen Calibration
System > Settings > Restore Defaults
System > Settings > Print: System Settings
System > Energy Saving > Energy Star

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