Repair of I/O ass'y on HP-41C


I have been repairing the I/O assembly on many HP-41C calculators in recent times with pretty good success. This is the part that battery leakage attacks first and results in the battery contacts being "eaten" by acid. I wondered if there would be any demand for me to perform that service for others here. I am talking about the corrosion damage that seems to plague this series of calculators. It can be pretty severe and I have been able to repair them. I also wonder what would be a fair price to charge for this service. Can anyone here comment on this? Thanks in advance.

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