RJ-4030
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FAQs & Troubleshooting |
RJ-4030
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Updated:02/03/2026
These are the most viewed FAQs, ranked by popularity.
- 1.The Bluetooth® installation asks me for a PIN (or Pass Key). Where can I find this information?
- 2.The print quality is poor, and the image is too light or dark.
- 3.How do I connect RJ printer to my computer?
- 4.I cannot print in Windows 10 using Bluetooth® even though my machine and computer are paired.
- 5.A communication error occurs when printing via serial cable (RS-232C).
Latest
These are the latest FAQs, sorted by last update date.
01/06/2026
What Android™ mobile application can I use?
08/26/2025
The Brother Print SDK Demo app will not be available on Google Play™.
04/03/2025
Can I directly operate my printer from a self-developed application software and print a label?
11/28/2024
I cannot install the printer driver or print in Windows 11.
09/27/2024
Where can I find my Brother printer's serial number?