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
Replacing the Printhead
1.
Push the left side printhead connector into the printhead. The connector is keyed to only
insert one way.
2.
Connect the green ground wire to the printhead.
3.
Push the right side printhead wire connector onto the printhead.
4.
Check that the ground wire and wire bundles are still connected to the printhead.










