RJ-4230B FAQs & Troubleshooting RJ-4230B Not your product? Sort by Updated Date Popularity 3 Results 1. 16.07.2021 How do I switch to and use the mass storage mode? 2. 25.04.2018 How to attach the belt clip 3. 25.04.2018 How do I insert/change the paper or label roll? Machine FAQs & Troubleshooting