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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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HP 4M problem, redux
A few months back I complained that my HP 4M had become a tar baby, just
sitting there, refusing to print any file sent to it. "Nothing was wrong", but it wouldn't print. In desperation, I pulled the firmware memory card and reseated it. Bingo. It worked. This just happened again. Again, "nothing was wrong" (that is, the diagnostics showed no problems, and yanking the cable produced an instantaneous "connection loss" message). And again, when I pulled and reseated the firmware memory card -- that fixed it. Curioser and curioser... Perhaps the contacts need a bit of ProGold? |
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