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Zebra GK420d

Zebra GK420d
102 pages
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User Guide
Zebra
®
GK420d™
Desktop Thermal Printer

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Zebra GK420d Specifications

General IconGeneral
Print technologyDirect thermal
Network readyYes
Dimensions (WxDxH)171 x 209 x 152 mm
Standard interfacesRS-232, USB 1.1
Internal memory8 MB
Maximum label width108 mm
Maximum label length0.991 m
Product colorBlack, Grey
Power requirements100-240 VAC, 50-60 Hz
Weight and Dimensions IconWeight and Dimensions
Depth209 mm
Width171 mm
Height152 mm
Weight3200 g

Summary

About This Document

Who Should Use This Document

Identifies the intended audience for this user guide.

How This Document Is Organized

Explains the structure and organization of the user guide.

Contact Information

Provides contact information for Zebra Technologies support and sales.

Document Conventions Explained

Details symbols, formatting, and text conventions used in the manual.

Printer Introduction and Overview

GK Series Thermal Printers Overview

Provides an overview of the GK Series thermal printers and their features.

Whats in the Box

Lists the items included in the printer packaging.

Unpack and Inspect Printer

Details procedures for unpacking and inspecting the printer for damage.

Your Printer Components

Identifies the main external components and ports of the printer.

Printer Features Highlight

Highlights key hardware components and optional features of the printer.

Operator Controls Guide

Describes the printer's buttons and status indicators for operation.

Getting Started with Your Printer

Attaching Power Supply

Step-by-step instructions for connecting the printer's power supply.

Loading Roll Media

Guides on how to prepare and load roll media into the printer.

Printing a Test Configuration Label

Procedure to print a label verifying printer configuration and function.

Pre-installing Printer Drivers

Instructions for installing Windows printer drivers before connecting the printer.

Connecting Printer to Computer

Details on connecting the printer to a computer via various interfaces.

After Printer Connection

Steps to verify printer connectivity and test print jobs after setup.

Printer Operations and Media Handling

Determining Printer Configuration

How to print and interpret the printer's configuration status label.

Long Term Printer In-activity or Storage

Recommendations for storing the printer to prevent damage.

Thermal Printing Safety

Safety precautions and notes regarding the hot printhead during thermal printing.

Printer Modes of Operation

Describes various printing modes like Tear-Off, Dispense, Stand-alone, and Network.

Print Media Types and Selection

Details different media types (roll, fan-fold, tag) and selection criteria.

Replacing Printer Supplies

Instructions for reloading media when supplies run out.

Adjusting Print Width and Quality

Guides on setting print width and adjusting print quality for optimal output.

Media Sensing and Calibration

Explains automatic media detection and manual calibration procedures.

Printing with Fan-Fold Media

Procedure for loading and printing with fan-fold media.

Printing with Externally Mounted Media

Considerations for using externally mounted media rolls with the printer.

Printer Fonts and Localization

Details font support, character sets, and language localization options.

Stand-Alone Printer Operation

How to configure and operate the printer without a connected computer.

Sending Files and Print Meter

Methods for sending files and using the print meter function.

EPL Line Mode Printing

Information on using the EPL Line Mode for printing.

Printer Options and Accessories

Label Dispenser Option

How to install and use the optional label dispenser.

ZebraNet 10100 Internal Print Server

Details the internal Ethernet print server for network connectivity.

Zebra KDU Printer Accessory

Information on the Keyboard Display Unit accessory for EPL forms.

KDU Plus Printer Accessory

Features and capabilities of the KDU Plus accessory.

ZBI 2.0 Zebra Basic Interpreter

Overview of the ZBI 2.0 language for custom printer operations.

Printer Maintenance and Cleaning

General Cleaning Procedures

Guidelines and supplies for cleaning the printer's components.

Cleaning the Printhead

Step-by-step instructions for cleaning the printer's printhead.

Media Path and Sensor Cleaning

Procedures for cleaning the media path, guides, and sensors.

Platen Roller Cleaning and Replacement

How to clean or replace the printer's platen roller.

Other Printer Maintenance Tasks

Information on other maintenance aspects and troubleshooting references.

Replacing the Printhead

Instructions for safely removing and installing a new printhead.

Troubleshooting Printer Issues

Status Light Descriptions

Explanation of printer status light colors and patterns.

Status Light Error Resolutions

Troubleshooting steps for common status light error indicators.

Print Quality Problems

Diagnosing and resolving issues related to print quality.

Manual Calibration Procedure

Steps for manually calibrating the printer for media sensing.

Troubleshooting Tests and Diagnostics

Performing diagnostic tests like printing configuration labels.

Resetting Factory Defaults

Procedure to reset printer settings to factory default values.

Communications Diagnostics Mode

Entering diagnostics mode to check data transfer between printer and PC.

Feed Button Modes Explained

Details various printer modes activated by the Feed button.

Appendix: Printer Interface Wiring

Universal Serial Bus (USB) Interface

Wiring details for connecting the printer via USB.

Parallel Interface Wiring

Wiring diagram and pinouts for the parallel interface.

Ethernet Interface Wiring

Pinout assignments for the Ethernet (RJ45) cable.

Serial Port Interface Wiring

Wiring specifications for serial port connections (DTE/DCE).

Appendix: Printer Dimensions

External GK Printer Dimensions

Diagrams showing external physical dimensions of the printer.

Label Dispenser Dimensions

Diagram showing external physical dimensions with label dispenser.

Appendix: ZPL Printer Configuration

Managing ZPL Printer Configuration

Overview of changing and saving ZPL printer settings.

ZPL Configuration Status Cross-reference

Mapping ZPL configuration settings to their corresponding commands.

Printer Memory Management

Managing printer memory, objects, and status reports with ZPL commands.

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