User Manual
Table Of Contents
- About
- Introduction
- Printer Features
- Inside the ZD421 Dual Capacity Ribbon Roll Printer
- Inside the ZD621 Dual Capacity Ribbon Roll Printer
- Inside the ZD421 Direct Thermal Printers
- Inside the ZD621 Direct Thermal Printers
- Inside 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 Rollers Types
- Printer Power Supply Options
- ZD621 Direct Thermal Locking Printer Features
- Zebra Print Touch
- Controls and Indicators
- Install Hardware Options
- Field Installable printer Accessories and Options
- Printer Connectivity Modules
- Media Handling Options
- Removing the Standard Bezel
- Installing the Label Dispenser
- Installing the Standard Media Cutter
- Installing the Linerless Media Cutter
- Installing the Linerless Media ‘Tear-Off’ Bezel
- Media Roll Core Size Adapters
- Print Resolution Upgrade Kits
- 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
- 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
- Storage Menu
- Setup
- Printer Setup Overview
- Select a Location for the Printer
- Install Printer Options and Connectivity Modules
- Attaching Power
- Getting Ready to Print
- Loading Roll Media
- Loading Thermal Transfer Roll Ribbon
- Loading the ZD421 Ribbon Cartridge
- Run a SmartCal Media Calibration
- Test Printing with the Configuration Report
- Detecting a Media Out Condition
- Detecting a Ribbon Out Condition
- Connecting your Printer to a Computer
- Wi-Fi and Bluetooth Classic Wireless Connectivity Option
- Setup for Windows® OS
- Print Operations
- Thermal Printing
- Select a Print Mode or Collection Method
- Adjusting the Print Quality
- Adjusting the Print Width
- Printing on Fan-Fold Media
- Printing with Externally Mounted Roll Media
- Using the Label Dispenser Option
- Using the Linerless Options
- Sending Files to the Printer
- Ribbon Cartridge Programming Commands
- Printing with the Attached Battery Base and Battery Option
- Printer Fonts
- EPL Line Mode - Direct Thermal Printers only
- ZD621 and ZD421 Locking Printer Option
- Zebra® ZKDU — Printer Accessory
- ZBI 2.0™ — Zebra Basic Interpreter
- Setting the Power Failure Recovery Mode Jumper
- USB Host Port and Link-OS Usage Examples
- USB Host
- USB Host and Printer Usage Examples
- Items Required for the USB Host Exercises
- 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 Hosts Port and the NFC Capabilities
- Maintenance
- Troubleshooting
- Tools
- Printer Diagnostics
- Power-On Self Test
- SmartCal Media Calibration
- Configuration Report (CANCEL Self Test)
- Printer Network (and Bluetooth) Configuration Report
- Print Quality Report (FEED self test)
- Reset Printer Factory Defaults (PAUSE + FEED Self Test)
- Reset Network Factory Defaults (PAUSE + CANCEL Self Test)
- Reset Button
- Communication Diagnostics Test
- Sensor Profile
- Advanced Mode
- Factory Test Modes
- Printer Diagnostics
- Interface Wiring
- Dimensions
- Media
- ZPL Configuration
11
About
This guide is for integrators and operators of Zebra Link-OS ZD421 desktop printers. Use this guide to
install, change configuration, operate, and physically support these printers.
Information, support, and additional resources are available online to support this printer:
• ZD621 Thermal Transfer printer — zebra.com/
ZD621t-info
• ZD621 Direct Thermal printer — zebra.com/
ZD621d-info
• ZD421 Thermal Transfer Ribbon Cartridge printer — zebra.com/
ZD421c-info
• ZD421 Thermal Transfer printer — zebra.com/
ZD421t-info
• ZD421 Direct Thermal printer — zebra.com/
ZD421d-info
• ZD621R Thermal Transfer printer — zebra.com/
ZD621r-info
Printer Resources
Zebra has a large suite of technical resource for your Zebra Link-OS printer, as well as free and fee-based
software and Apps (applications), including:
• “How To” videos
• Printer accessory, supplies, parts, and software links
• Various setup and configuration guides
• Programmer’s manuals
• Printer Drivers (Windows, Apple, OPOS, etc.)
• Printer Firmware
• Printer Fonts
• Utilities
• Knowledge base and support contacts
• Printer warranty and repair links
• Label Design software
• Printer Management tools
• Virtual Devices for legacy languages normally associated with other printer brands
• Cloud-based Enterprise printer management and printing
• XML and PDF format file printing