Machine Type ：ＹＢ、Ｂ

(Simple checking method)
Check the belt stop position when chamber is down.
 (Check the equality of the gap between chamber and belt joint metal, which are shown in the below red circle.)

The front side of chamber	The backside of chamber

(How to check)
Put a adhesive tape on seal bar and adjust the belt stop position depending on the sealed position on the tape.

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