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HP45 power switch lubrication without opening calculator?
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HP45 power switch lubrication without opening calculator?
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HP45 power switch lubrication without opening calculator?
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10-05-2020, 09:29 PM
Post: #14
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RE: HP45 power switch lubrication without opening calculator?
Would pressing down on the switch and blasting it with a squirt of canned "air" do any good? I was thinking it might dislodge some of the dust clogging the switch mechanism.
— Ian Abbott |
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