“form rollers”

No. 4 Uneven Inking on Rider Rollers

Hello all, I’m trying to troubleshoot an inking problem on my Vandercook No. 4, Serial No. 14509. I’m finding that my rider rollers (the small steel rollers front and back) are not getting inked evenly. (See image, the front rider roller is not completely inking towards the right side) When I roll the cylinder down …

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Inconsistent print quality

I’m sorry for having problems two days in a row, but here’s another phenomenon that I’m not understanding. These two drop caps (48-point Rondo) were printed one after the other – same lockup, same ink, same paper, same packing, same everything – yet the print quality is markedly different. What could have made the difference? …

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