Brother HL-L9200CDW - 5.1 Installing the Firmware (Sub Firmware, Panel Firmware, Main Firmware, and High-voltage Firmware); 5.1.1 Checking firmware version; 5.1.2 Installing the firmware; 5.2 Continuous Adjustments of Density and Registration Sensor (Function code 73)

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5.1 Installing the Firmware (Sub Firmware, Panel Firmware,
Main Firmware, and High-voltage Firmware)
5.1.1 Checking firmware version
Check whether the firmware installed on the machine is the latest version in accordance with
“1.1.1 Checking firmware version” in this chapter. If the version is the latest, installing the
firmware is unnecessary. If the version is not the latest, install all the firmwares.
5.1.2 Installing the firmware
When each installed firmware is not the latest version, install the firmwares in accordance with
“1.1.2 Installing the firmware” in this chapter.
5.2 Continuous Adjustments of Density and Registration
Sensor (Function code 73)
Perform continuous adjustments of density and registration sensor in accordance with “1.3.22
Continuous adjustments of density and registration sensor (Function code 73)” in Chapter 5.