How to mend Reset Change Unit

What does H4 error code mean on a Sharp AR- 5316E?

hello sir i will chinge film role no recover the code plz send me 0007-000 ?

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E000000-0000 howable cleared the error msg?

clear an error code H 4 on a sharpAL1642cs copier?

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my copier is showing h4 what dose this mean and how do i fix it ?