SATO GL408e Programming Reference Manual page 116

CARD FORMAT
FUNCTION
Specifies the format (initialization) of memory card.
FORMAT <ESC>BJFa
Place anywhere between <ESC>A and <ESC>Z.
EXAMPLE
<ESC>A
<ESC>CC1
<ESC>BJFsatocard
<ESC>Z
OUTPUT There is not a printer output as a result of this command.
NOTES This command is not valid without an optional memory card.
Specify the Card Slot for Use <CC> prior to using this command.
This command is for formatting a memory card and cannot be used in combination
with other commands. If formatting the card by accident, registered data will be
erased.
SATO GL4xxe SBPL Programming Reference
a = User ID (up to 8 bytes of alphanumerics and symbols)
Unit 5: Optional Command Codes
Page 5-6