RJ-4030
FAQs & Troubleshooting |

RJ-4030
Search by Keyword(s)
Categorized
Getting Started
Easy Tasks
Troubleshooting
Others
Popular
Updated:06/23/2026
These are the most viewed FAQs, ranked by popularity.
- 1.A communication error occurs when printing via serial cable (RS-232C).
- 2.How do I connect RJ printer to my computer?
- 3.The print quality is poor, and the image is too light or dark.
- 4.How do I transfer label or slip templates?
- 5.Transfer Express cannot detect my printer when it is connected to a Windows 11 computer via USB.
Latest
These are the latest FAQs, sorted by last update date.
05/28/2026
Transfer Express cannot detect my printer when it is connected to a Windows 11 computer via USB.
04/13/2026
How to identify your Operating System (OS)
04/06/2026
How to identify the printer's firmware version
03/06/2026
How to open the Devices and Printers window
03/06/2026
How do I uninstall the printer driver?