Brother International TD-4750TNWB Users Guide - Page 32
Self-test, For the Black Mark Sensor: send the BLINE command
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4. The printer calibrates the sensor and detects the label length, prints the internal settings, and then enters Dump Mode. Note To select the sensor for calibration, send the correct command to the printer: For the Gap Sensor: send the GAP command For the Black Mark Sensor: send the BLINE command For more information about the available commands, see the FBPL Command Reference Manual on your model's Manuals page at support.brother.com. Self-test Print the printer configuration after you run Gap/Black Mark Sensor calibration. The self-test printout lists the printer's configuration and available memory, and can indicate if 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 28
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