PT-D450
![]() |
FAQs & Troubleshooting |

PT-D450
Search by Keyword(s)
Categorized
Getting Started
Easy Tasks
Troubleshooting
Others
Popular
Updated:13.06.2025
These are the most viewed FAQs, ranked by popularity.
- 1.I cannot use some buttons or functions in P-touch Editor or the printer driver. (For macOS 10.15.x)
- 2.The message "The tape cassette installed in the machine does not match the type selected in the application." is displayed. (P-touch Editor for Windows)
- 3.Where can I download the latest P-touch Editor for Mac?
- 4.(Video) How to use Excel data to print labels (P-touch Editor 5.x for Windows)
- 5.How do I change the size of characters?
Latest
These are the latest FAQs, sorted by last update date.
08.05.2025
I get an error message and cannot update the firmware. (Windows 10 or later)
03.04.2025
Can I directly operate my printer from a self-developed application software and print a label?
26.12.2024
Some functions available in P-touch Editor 5.4 are not available in P-touch Editor 6.x. (for Windows)
28.11.2024
I cannot install the printer driver or print in Windows 11.
27.09.2024
Where can I find my Brother printer's serial number?