Brother TD-4650TNWB User Manual page 34

Self-test printout
Dump Mode

Note
Dump Mode requires 4" (101.5 mm) wide paper.

To resume normal printing, turn the printer off and then on again.

The printer enters Dump Mode after printing the printer configuration. Dump Mode allows
users to verify and debug the printer's programs. The characters in the left column are
received from the printer's system and those in the right column are their hexadecimal
representation.
ASCII data
Number of downloaded files
Total and available memory
space
Print Head check pattern
30
Hexadecimal
representation of the
ASCII data