: The system is highly case-sensitive and strict about character spacing. Check for common substitutions like entering the number 0 instead of the letter O , or 1 instead of I .
If you are looking for the character map or how to type specific symbols: brother ps-300b key id
: Put the original PS-300B CD-ROM (Version 1.0 or newer) into your disk drive. If an installer window auto-plays, close it immediately. : The system is highly case-sensitive and strict
While the Key ID alone is not a master password, a malicious person could use it to order a working key from a locksmith in your area. Treat your Key ID like the bitting code on a house key. If an installer window auto-plays, close it immediately
. Keeping this physical case safe is vital, as these credentials are required during: Initial Setup:
If a previous version of the programming software is corrupted or improperly registered, it will reject new Key ID inputs during updates.
Verify the difference between characters that look similar, such as '0' (zero) and 'O' (letter O), or '1' (one) and 'I' (letter I).