IMPORTANT NOTICE
From June 2023 Epson have introduced new ink SKUs for the SureColor P6000 / P7000 / P8000 / P9000 printers, replacing T804 inks with T55K and T824 inks with T54K.
In order to use the new inks you will need to update the firmware to the latest version, both the older and newer inks will work with the new firmware.
It is important you update the firmware before you install a new ink cartridge , otherwise your printer will display an error message and will not function.
The Epson Software Updater can be downloaded from https://epson.com/Support/wa00590
The update firmware downloadable guides above will walk you through the update process