DM42 stack layout

[Geoff Quickfall]

Is the bezel (the metal overlay with the script) loose in the center. The beta units suffered from a bad glue interface between the bezel and the shell giving an appearance of sunken keys i.e. the bezel may be bowed upward at the center as the glue loses adhesion.

In any case, contact Swiss Micros and explain your calculators symptoms.

Geoff

Admin: i think this would be better served in “not quite HP” section.


From a Swiss micros forum post by me. Also the fix is permanent, so far. It appears the black paint on the bezel leaked through to the back of the bezel. This dried in clumps and was not addressed at the factory. The contact cement strips were prevented from making a full contact to the calculator shell resulting in bowed and or loose sections on the bezel.

Finally my keyplate (bezel) finally off.

Close examination revealed the adhesive double sided tape did not adhere to the plastic base on the calculator. It did adhere to the metal bezel.

Examining the bezel I found the black base paint had leaked to the bezel reverse side causing two thick lumps which prevented the bezel from contacting flush, the plastic base of the calculator.

So for part 1:
[list=]
Remove the bezel gently or have it fall off.
Remove all residual adhesive from the plastic base on calculator mechanically; pick it off with tweezers.
Remove all residual adhesive from bezel. I used an adhesive remover after testing it on a corner of the front of the bezel.
Remove and flatten any overspray of paint on the reverse of the bezel.
[/list]

Tomorrow I will apply the black epoxy adhesive. This adhesive was purchased on eBay and was advertised as the epoxy adhesive used to secure Apple iPhone gorilla glass to the frame.

Here is the adhesive roll:



The adhesive remover which I have used successfully on many, many pioneers (42s family).



Reverse of bezel cleaned and sanded: scotch bright pad, sand paper for lumps of paint, adhesive remover, toothpicks for removing stubborn adhesive:



Bezel reverse cleaned. I used a shaving brush (SOFT BRISTLES), soap and water. Still as new.



Tomorrow I will apply the adhesive strips and the bezel. Will post then and over time to see how successful this adhesive is.

Geoff