User Guide
Table Of Contents
- About This Document
- Contents
- Introduction
- Getting Started
- Print Operations
- Determining Printer Configuration
- Long Term Printer In-activity or Storage
- Thermal Printing
- Modes of Printing
- Print Media Types
- Replacing Supplies
- Adjusting the Print Width
- Adjusting the Print Quality
- Media Sensing
- Ribbon Overview
- Printing on Fan-Fold Media
- Printing with Externally Mounted Roll Media
- Fonts and Your Printer
- Stand Alone Printing
- Sending Files to the Printer
- Print Meter
- EPL Line Mode
- Printer Options
- Maintenance
- Troubleshooting
- Appendix: Interface Wiring
- Appendix: Dimensions
- Appendix: ZPL Configuration
Maintenance
Replacing the Printhead
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980610-001 Rev. C GK420t™ User Guide 8/4/10
3.
Use a blunt tipped tool to press the release tab on the right side and then the left side of the
printhead. The tool diameter can be from 0.10 to 0.15 inches (2.5 to 3.8 mm).
Insert the tool into the ribbon frame's printhead release access (the round) opening. Push
the release tab and gently pull the printhead bracket down.