While refurbishing the paper tower for my Monotype caster I found that one of the pivot pins (part 16G, on which the locking pawl pivots) was slightly bent, and was nearly impossible to straighten properly. The bend was hard to…

The other part of my caster’s paper tower that received a good cleaning is the ribbon feed mechanism. The ribbon itself is moved by two sprockets whose teeth engage in holes along either side of the ribbon. These sprockets are…

This post provides a detailed view of one of the mechanisms in the Monotype paper tower. When the Quadding mechanism is engaged a notched wheel on the front side of the paper tower turns one position per cycle, and the…

After refurbishing both air pin blocks and replacing the paper tower air connector on my Monotype, I tried another dry run with the ribbon I had. I was finding that there still seemed to be substantial air leaks, which sounded…

Up until recently I have used my Monotype without its paper tower for font and sorts casting. What I found frustrating in doing so was manually positioning the matcase. This is a minor setup nuisance when casting from display mats…

All the parts from the front pin block have been cleaned and repaired, and so it is time to reinstall them.

While refurbishing the front pin block on my Monotype caster I observed the wear on both the jaw pin guide rod and its support caused by having the rod fitting loosely in the support. The end of the rod is…

I added two spacers made from 0.015″ brass shim stock to the collar on the paper clamp shaft, so that the collar would be flush with the step in the shaft and thus provide good support to the inner O-ring…

I have now installed my new Paper Tower Air Supply line to replace the leaky one that was on the caster. I made a top connector from brass, giving it counterbores at either end to accept standard O-rings for sealing…