Elegoo neptune 3 pro: limited nozzle temp

Nozzle Temperature is limited to 260°C but I want to test higher temperatures. How can I change the limitation?

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nothing
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no
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no
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Systeminfo Bundle

You can download this in OctoPrint's System Information dialog ... no bundle, no support!)

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octoprint-systeminfo-20231208131009.zip (76.2 KB)

Additional information about your setup

OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible

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You have to recompile your firmware for that.
You also should change your hotend to one that supports those kinds of temperatures.

Thank you. Hotend is already changed. Do I understand correct that Octopi isn't limitingg but the printer firmware?

yup that's right.
There is a maxtemp setting in the config of the firmware.

#define HEATER_0_MAXTEMP 260