JACK Dziurkarka bieliźniana JK-T1790GS-2-D cz.2

[@azizfaye4936]

Hello. My "Jack 1790" electronic buttonholer has a problem, and that is that the knife cuts above the side seam of the buttonhole. Could you help me to solve it? Thank you very much.

[@joaoferreirasilva3776]

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