riso hc5500 error S04-307

[popo]

Hi
this error s04-307 appear in this hc5500 the overflow tank full i remove the tank and remove the wast ink but steel the error appear can you help me please and how to clear this error
thank's

[Sriyanjan]

Check ink overflow tank sensor.

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[Sriyanjan]

In x1 series its measure by tank weight.

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