Toshiba B-EP Series Interface Specification page 391

(11) When the LABEL or TPCL mode is selected in the mode select command and the
print position detection feed parameter is set 0 (not performed), and if an error
occurs while the printer issues in the RECEIPT1 or ESC/POS mode, the print
mode is changed to the LABEL or TPCL mode after the error is cleared. (The
mode select command is executed.)
(12) Although this command is received while the command is being stored in a form,
the mode is not changed.
CHAPTER 6 LABEL MODE (INTERFACE COMMANDS)
6-10
B-EP Series