I recently had the form rollers on my SP-20 recovered and I’m having trouble getting a decent print out of them. The short version is that my printing is slurred. The detailed version is that, if printing a line of type that’s parallel to the gripper bar, the rollers will print heavy towards the top […]
MoreAuthor: Vincent Perez
Sliding, chattering rollers on SP20
Recently, and all of a sudden (or perhaps having reached their tipping point), the rollers on my SP20 are not laying ink correctly. I get the sense that the rollers are sliding over the form (I use photopolymer plates) and the look of the prints produced (scuffed and uneven) support this idea. The sliding is […]
MoreWear to bed bearers on SP20
I’ve noticed a pattern of wear on the bed bearers of my press. The wear is localized where the support rollers and the carriage bearings sit when the carriage is at the feed board. This occurs on both sides of the press, but the wear is more distinct on the operator side. I’m not sure […]
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