User Manual
Table Of Contents
- Terms of Use
- Publication Date
- About
- Contents
- Introduction
- Printer Features
- Printer Features
- Inside the ZD620 Dual Capacity Ribbon Roll Printer
- Inside the ZD620 and ZD420 Direct Thermal Printers
- Inside the ZD420 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
- ZD620 Locking Printer Features
- Zebra Print Touch
- Printer Features
- 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
- User Interface
- LCD User Interface
- Meaning of the Indicator Light Patterns
- Display Controls and Menus
- Battery Indicators and Controls
- Printer Configuration Menus
- 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 ZD420 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
- Adjusting the Print Quality
- Darkness Control
- 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
- ZD620 and ZD420 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
- Universal Serial Bus (USB) Interface
- Serial Port Interface
- ZD620 / ZD420 Thermal Transfer Models
- ZD620 / ZD420 Ribbon Cartridge Thermal Transfer Models
- ZD620 / ZD420 Direct Thermal Models
- Printer Diagnostics
- Media
- ZPL Configuration
Troubleshooting
256
Miscellaneous Issues
This section identifies miscellaneous issues with the printer, the possible causes, and the recommended
solutions.
Issue: Settings are Lost or Ignored
Some parameters are set incorrectly.
Possible Cause - 1
Printer settings were changed without saving them.
Resolution
The ZPL
^JU command was not used to save your configuration before turning the printer off. Cycle the
printer OFF and then back ON to verify settings have been saved.
Possible Cause - 2
The label format/form commands or commands sent directly to the printer have syntax errors or have been
used incorrectly.
• A firmware command turned off the ability to change the parameter.
• A firmware command changed the parameter back to default setting.
Resolution
See the ZPL programmer’s guide to verify command usage and syntax. See the About section for support
links. to view the programmer’ guide for your printer model.
Possible Cause - 3
The prefix and delimiter characters set in the printer do not match the ones in the label format.
Resolution
Verify the ZPL programming settings of the Control, Command and Delimiter settings are correct for your
system software environment. Print a Configuration Report or use display’s Language Menu (if present) for
these three (3) menu items and compare it the commands in label format/form you are trying to print. See
Test Printing with the Configuration Report, LANGUAGE Menu, and ZPL Configuration.
Possible Cause - 4
The Main Logic board may not be working properly. Firmware is corrupted or the Main Logic board needs
service
Resolution
1 — Reset the printer to factory defaults. See LOAD DEFAULTS or use the Zebra Setup Utility and Open
Printer Tools > Action > Load printer defaults.
2 — Reload printer firmware. See Updating Printer Firmware.