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Posted · Firmware update

Hallo Zusammen,


ich habe heute morgen versucht meinen U3 Ext von Firmware 4.3.96 auf 5.2.11 zu updaten.

Dabei wird leider ein Fehler ausgegeben, dass dieses Update nicht geprüft werden kann.

Auch das laut Manual notwendige Zwischenupdate auf 4.3.97 wird garnicht erst angezeigt.

Kann mir hier jemand helfen?


Vielen Danke


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    Posted · Firmware update


    Der Drucker holt sich über NTP von einem Zeitserver im Internet die aktuelle Uhrzeit. Die aktuelle Uhrzeit benötigt er um das Firmware Update zu überprüfen. Wenn er sich die Zeit nicht holen kann, weil der Drucker kein Netz hat oder eine Firewall verbietet, dass er ins Internet kann, dann kommt die Meldung, dass das Update nicht verifiziert werden kann.

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