If there are still some dust blobs, unclip the ribbon connectors with your finger-nail and remove the board (four screws). You can then spray out the whole optical block.
如果仍然有灰尘,用你的指甲把排线拔掉然后把主板移走(有四颗螺丝)。你可以接着喷整个光学部件。
The utility model is of simple structure, easy taken-with, convenient utilization, no injury on finger and remove of remained nail with little force.
本实用新型结构简单、易于携带,使用方便,不会弄伤或弄痛手指,轻力便可除去残钉。
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