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
8/4/10 GK420t™ User Guide 980610-001 Rev. C
5
Maintenance
This section provides routine cleaning and maintenance procedures.
Contents
Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Cleaning the Printhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Media Path Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Platen Cleaning and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Other Printer Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Replacing the Printhead. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63










