Dust on HP-42S Window


Can anyone tell me how to remove (or move) the dust on the inside surfaces of my HP-42S display window(s)?

Tom Scott





Thanks. I don't know how I missed that.

Tom Scott


One thing I failed to mention was not to jam the tube in so far as to split the bottom half from the top. The older windowed version machine bezels will distort a bit, possibly leaving a wrinkle. Uggh. You just need to direct the air blast between the halves and the tapered tip helps alot.

Edited: 12 Sept 2003, 8:24 p.m.


The techique worked pretty well although I did leave small marks on the side of the plastic case where I wedged the two halves apart. Also, it looks like I left a small mark on the window (perhaps when I slipped trying to wedge the tube in).

Tom Scott

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