User Manual
Table Of Contents
- About This Document
- Contents
- Introduction
- Getting Started
- Print Operations
- Determining Printer Configuration
- Thermal Printing
- Modes of Printing
- Print Media Types
- Replacing Supplies
- Adjusting the Print Width
- Adjusting the Print Quality
- Media Sensing
- 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
- Control Panel Operation
- Maintenance
- Troubleshooting
- Appendix
Getting Started
Hooking Up the Printer and Computer
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980611-001 Rev. B GX420d User Guide 6/4/08
Parallel Port
The required cable must have a twenty-five pin “D” type (DB-25P) male connectors on both
ends with a straight through wiring connections (IEEE 1284 A-A parallel interface
specification). Tighten the cable connector’s screw locks to secure the cable to the printer and
computer.
Note • The printer design does not allow for the use non-molded cables such as hand-made
cables with clam shell connector covers.
Parallel Cable