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HP82161A tape unit problem



#2

Hello,

I just finally got some tapes for my HP82161A tape unit.
But it seems that there is some problem. When I try to format the tape, I am getting MEDM ERR error message during the formating.
The whole process is as follows:

1. When I put the tape in the drive, tape move a bit (positioning at the beginning ?)
2. NEWM 128
3. tape start running
4. tape rewind (fast)
5. tape start running
6. tape rewind (fast)
7. tape run a bit (positioning ?)
8. MEDM ERR on the HP-41 display

Anybody has some idea where can be a problem ? I suppose that I can repair the unit, but I do not need where to start...

Tapes are new (originally wrapped) and tape unit has clean head and position sensor.


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