Brother TD-4420TN User Manual page 32

Self-test

You can print the printer configuration after the Gap/Black Mark Sensor calibration. Self-test
printouts list the printer's configuration and available memory space, and can indicate whether
there is any dot damage on the heater component.
Self-test printout
Model name
Firmware version
Firmware checksum
Printer serial number
Configuration file
System date
System time
Printed mileage (meter)
Cutting counter
Number of defective dots
Print speed (inch/sec)
Print density
Label size (inch)
Gap distance (inch)
Gap/Black Mark Sensor
sensitivity
Code page
Country code
Print darkness
Print speed (inch/sec)
Label size
Control prefix
Format prefix
Delimiter prefix
Printer power up motion
Print Head close motion
RS232 Serial Port
configuration
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