06-03-2005, 04:15 PM
I had the same problem, the middle gear lost it's teeth. It is the one with 30 teeth.
I found one at (made from brass):
GHW Modellbau
Gewerbering 29
D - 41372 Niederkrüchten (Germany)
Tel. 02163-81767 Fax 02163-82670
e-mail: ghw@ghw-modellbau.de
Internet: www.ghw-modellbau.de
Part-No. 753030, 2,65 Euro. Ask for shipping.
The diameter of bore is 2mm, you must fit it to the axis.
Now my HP-97 prints very well.