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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, 01:33 PM
Post: #8
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RE: HP45 power switch lubrication without opening calculator?
I also have a 45 with a power switch that moves a little hard. If I press it slightly inward to switch on/off the calculator it moves smoothly. I never concerned about. Serial is 1349S5... Maybe it depends on the production series.
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