Hp 97 print head problems-missing row

[kleinwaechterj]

I just aquired a Hp-97. I successfully repaired the card reader, working flawlessly again. The printer has the usual issue of flattened wheels but I am hopeful I will be able to fix that too. What is more of a problem is that the middle row does not print at all, leaving a blank horizontal line through all characters. Not unexpected, resistance of that element is high, all others read 11-12 ohms at the ribbon cable. Any hope this is fixable? Are there any sources for replacement heads? Any chance it is a loose contact on the other side of the cable connecting to the head)? Any suggestions would be very much appreciated, this calculator is otherwise in great shape and a real beauty.....
Thanks for reading...
Jk