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.How do I connect RJ printer to my computer?
- 2.The Bluetooth® installation asks me for a PIN (or Pass Key). Where can I find this information?
- 3.The printer cannot communicate with other devices via Wi-Fi® or Bluetooth®.
- 4.A communication error occurs when printing via serial cable (RS-232C).
- 5.I cannot print in Windows 10 using Bluetooth® even though my machine and computer are paired.
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?