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    Challenge Model A cuts badly

    Hello - I recently purchased a Challenge Model A 3 sided trimmer with the 3 fixed blades. The cutter seems to be in good shape. I sharpened the knives, but the right side of a stack of paper cuts "skewed", badly "chamfered". Any ideas are welcome!! BG CostaRicaPrinter
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    Baumfolder Futura steel rollers - help needed

    Experienced "oldie" needed! I purchased an older O&M 18x22 Futura folder with steel rollers. All we print is regular paper (no glossy, etc). The machine runs and feeds great. On the second head all we do is one fold. I've adjusted the rollers as best as I can, but I still get erratic...
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    Vintage O&M Futura 18x22 - help!

    Hello all - we have purchased a vintage O&M folder in nice shape - all steel rollers, all manual functions. We haven't fed paper yet. We need advice on two main things: 1) the function of the "throw off wheel" in the input. It doesn't seem to be connected to anything. (Did it come loose?)...
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    "Miracle" solution to toning and emulsification

    Hello everyone. We have recently tried Kerley Ink's "Lithotrol" which stops ink emulsification. We are running our Kompac press with nice thin ink (that gave us toning before), and an AB Dick Superaquamatic system with thinned ink and MUCH LESS problems with dampening. Very little alcohol...
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    Tips for AB Dick super aquamatic w/ silvermaster

    For anyone out there using the AB Dick alcohol system with silvermaster plates. We always had a bit of a problem keeping them wet enough, had to use quite a bit of alcohol. Well, we found a solution! I finally obtained a gallon of Varn Pink Universal. I now use only 10% to 15% alcohol (we...
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    Challenge Model A 3 knife trimmer - For perfect bound books?

    A question of the Challenge Model A 3 knife trimmer: Anyone have experience with the Challenge 12x12 3 knife trimmer cutting perfect bound books? We do short runs, some thick books, and would like to avoid our guillotine as it is easy to crush spines. I notice that the knives come straight...
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    Rosback 202 trimmer question

    Hello, Has anyone used the "old" Rosback 202 3 knife trimmer? Any comments? I'm looking to possibly purchase one. How are these trimmers for trimming thicker books, with "soft" paper (high bulk, book paper)? Thanks! BG
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    Trimming perfect bound with high bulk paper

    Hello everyone, I've read some posts here that others have the same challenges we do when trimming high bulk paper - the spine crushes. I'm just curious. How do commercial, large run, printers trim their books? They obviously aren't placing spacers in their guillotines! I have several books...
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    AB Dick Century 3000 IR lamp problem

    AB Dick Century tech needed! I had a short in my lamp circuit - the 220v connection going into the panel made a short. Got that fixed. However, I have no 5v signal from the mother board to my IR lamp panel. One of the three "couplers" on the mother board that feeds the 5v circuit puts out...
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    18 x 18 on AB Dick 385

    Just wanted to share a tip. You can pick up the AB Dick 385's quite reasonably. I have 2. I found out that you can print 18 x 18" paper - barely! But this will allow you to print 6 up 6x9 books, if you cut them for perfect binding (which is what we do). Cut the paper exactly 18 x 18, feed...
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    Silvermaster plates, gum arabic and alcohol

    We run a couple of AB Dick 385's for book printing, one with a Kompac, the other with the super aquamatic alcohol system. With Silvermaster plates our problems are mostly with the plate drying out - we can't get enough water on them. Since isopropyl alcohol is now kindly illegal in Costa Rica...
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    Ink contamination with paper lint

    Hello everyone, I haven't been able to find any posts about this, so here goes. I'm printing in Costa Rica, and we have a very limited supply of paper. For book printing we are using a yellowish, lightweight paper that has good body (thick). It prints great. We call it "papel editorial" - I...
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    Ethanol suitable as substitute for Isopropyl?

    Hello - Costa Rica has made isopropyl alcohol virtually impossible to purchase - something to do (supposedly) with drug fabrication. I can buy 96% ethanol from sugar cane. Will this work in my old AB Dick superaquamatic system that LOVES isopropyl? I definitely need the viscosity improver of...
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    Electrical schematic for AB Dick 3000?

    Hello everyone, I have the basic schematic for the AB Dick Century 3000 (of which I have 2), but as the machine ages I find that I need a more detailed schematic of the components and voltage values. Does this information exist anywhere? I have all the "normal" manuals - Operating, Repair...
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    Four color printing on two color press using powder

    Hello, I just thought I'd share something we found on our last job. I have an AB Dick Century 3000 and we do quite a bit of four color printing. Recently I had to do a job on glossy paper, lots of ink, both sides. Powder needed! However, as we moved into the second pass, the powder on the...
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    AB Dick Century 3000 tech needed!

    Hi everyone, Technician needed! My Century 3000 ink ductor solenoid sometimes sticks while engaged. Ink continues to feed even when idling - not good! I have detected that the two solenoids work with around 48 volts, but when it sticks one is receiving 110 volts. Can anyone give me ideas as...
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    CMYK printing with Silvermaster plates

    I just wanted to share something that has helped us out with full color printing using silvermaster plates. Many think that these plates "stretch", but I don't think that "stretch" is the right concept. 8 mil silvermasters are pretty thick and hard, and it is a challenge to draw them perfectly...
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    Linseed oil for cleaning rollers!

    Having observed that linseed oil was an ingredient in some of my more eco-friendly roller cleaners, I decided to try straight linseed oil. It's a miracle cleaner! A small amount leaves the rollers completely clean and velvety. It seems to gently dissolve all the ink out, and a quick wash...
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    Magenta blinding on silvermaster - stumped

    Hello fellows, I'm new to the forum, and I see lots of good discussions! Thanks to everyone who shares their knowledge and experience. I have a small book publishing operation in Costa Rica. We recently brought in a Printware silvermaster platesetter, and have just loved it (we were using...

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