Duplo DBM-600T - User Manual

Questions and Answers

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Felicia GarciaAug 20, 2025
Why is my Duplo Folding Machines paper not stitched?
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  Tracy KaiserAug 20, 2025
  Your Duplo Folding Machines paper might not be stitched for several reasons: * The pressure of the leaf spring attached to the wire reel might be too strong. Decrease the pressure of the leaf spring. * There might be no wire left, so install a new wire. * The wire might be jammed inside the stitcher head, so remove the wire and adjust each section of the stitcher head. * The triangular handle might be set to the non-stitching position, so set it to the stitching position. * The stitch release lever might not be set, so set the stitch release lever. * The stitcher head might not be appropriately adjusted, so adjust each section of the stitcher head.
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Christopher NguyenAug 22, 2025
Why is paper alignment poor on my Duplo Folding Machines?
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  Daisy HernandezAug 22, 2025
  Poor paper alignment in your Duplo Folding Machines can occur for several reasons: * The stitching side guides may be too far apart, so set them closer together. * The space between the stitching back guide and the paper may be too wide, so narrow the space. * The number of jogs may be insufficient, so increase the number of jogs. * The paper guide for side stitching is not used for side stitching, so use the paper guide for side stitching.
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Daniel SilvaAug 25, 2025
What to do if paper jams in the stitching section of Duplo DBM-600T?
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  Michael LiuAug 25, 2025
  If paper jams in the stitching section of your Duplo Folding Machines: * If delivering paper sheet by sheet, the trailing edge of the paper might be floating, causing the next paper to strike against it. Lower the bracket of the infeed paper holder. * If delivering paper sheet by sheet, the air of the DBM-600 AIR KIT (option) might not be properly adjusted. Adjust the air volume. * The gap between the stitching paper holder and the conveyance guide might be too narrow for the paper thickness. Widen the gap. * When delivering paper sheet by sheet and saddle stitching it, make sure you are using the paper guide for saddle stitching instead of the paper guide for side stitching.
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Dale StarkAug 26, 2025
Why is my Duplo DBM-600T Folding Machines paper folded skewed?
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  pmitchellAug 26, 2025
  If your Duplo Folding Machines paper is folded skewed, it could be due to: * The angle of the folding side guides not being adjusted correctly. Adjust the angle using the fold misalignment adjustment knob screw. * The folding side guides being too close together. Set the folding side guides further apart.
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Steven RobertsAug 28, 2025
What to do if Duplo DBM-600T Folding Machines paper jams at the entrance of the infeed section?
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  Scott NguyenAug 28, 2025
  If paper jams at the entrance of the infeed section of your Duplo Folding Machines, consider the following: * The paper size setting may be incorrect. Check the paper size and perform a size change. * The paper passage lines of this machine and the upstream unit may not be aligned. Adjust the base so that the paper lines are aligned. * The infeed unit may not be secured. Secure the lock lever of the infeed unit. * If the OFFSET TRIM KIT (option) is attached, the stitching side guides may not be adjusted according to the offset trim amount. Check the value displayed on the control panel and manually move the stitching side guides.
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howarddonnaAug 29, 2025
Why is the folding position not stable on my Duplo DBM-600T?
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  rbeckerAug 30, 2025
  If the folding position is unstable on your Duplo Folding Machines, it might be because: * The space under the fold paper holder is too narrow for the paper thickness. Widen the space. * The folding side guides are too close to each other. Set the folding side guides further apart.
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Julie McculloughAug 31, 2025
What to do if Duplo DBM-600T paper is not conveyed from the stitching section to the folding section?
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  stephen99Aug 31, 2025
  If paper is not conveyed from the stitching section to the folding section in your Duplo Folding Machines: * The height of the stitch ejection roller R might be incorrect. Adjust the height. * The stitch ejection roller R might not be attached. Attach the stitch ejection roller R unit. * The stitching side guides might be set too close together. Set the stitching side guides further apart. * The stitch ejection roller R might be set to off. Set it to on. * A stitch might be deformed and stuck on the conveyance surface. Adjust each section of the stitcher head.
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Lisa SnowSep 2, 2025
What to do if Duplo Folding Machines paper jams under the Infeed paper holder?
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  Michael SmithSep 2, 2025
  If paper jams under the Infeed paper holder of your Duplo Folding Machines, it could be because the paper bends as it hits the holder. Raise the bracket of the infeed paper holder.
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Patricia YoungSep 4, 2025
Why does Duplo Folding Machines paper strike against the folding side guide and jam?
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  Shane WilliamsSep 4, 2025
  If paper strikes against the folding side guide and jams in your Duplo Folding Machines: * Paper might be conveyed skewed, so slow down the stitching side guide opening timing. * The stitch ejection roller L might be set to off, so set it to on. * The folding back guide unit might not be secured, so secure it.
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Sharon MedinaSep 6, 2025
Why does the Duplo DBM-600T Folding Machines paper stop at the folding roller or the press roller?
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  Hunter SummersSep 6, 2025
  If paper stops at the folding roller or the press roller in your Duplo Folding Machines: * The folding roller gap may be too narrow. Widen the folding roller gap. * The press roller pressure may be too strong. Decrease the pressure.