Textured and hard-to-stick surfaces require soft and aggressive adhesives. Because these adhesives are soft the adhesives tend to build up in the printer. This build up must be removed in order to keep the machine clean.

DPF 8000 works great for low energy surfaces due to its soft and aggressive nature. Since the adhesive is soft and un-crosslinked, it has the ability to flow into the nooks and crannies of uneven and textured surfaces instead of just bonding on top of the high points of a surface.

Crosslinking of polymer can be thought of as links between polymer chains to make a polymer network. Un-crosslinked adhesive lacks the rigidity of the network so it tends to free flow over time and it will require an extra step to remove the excess adhesive when it builds up in the printer.

This process is only required on printers that have media clamps. Adhesive build up occurs along the edges of the media most prominently on the media clamps and also on the pre and post heating elements.

  1. Before loading the material, make sure the media clamps are cleaned.
  2. Apply 2” painter’s tape on both sides of the pre and post heat area of the printer. Do not cover the grit rollers.
  3. Insert DPF 8000 and make sure the edges are on the blue tape. The center of the tape should be aligned to the edge of the media on both sides.
  4. Make sure the left and right pinch rollers are not on the edge of the media. As you print, the tape will prevent the adhesive from transferring on to your heating element.
  5. Print your job and check the level of adhesive build up on the media clamps after 30 to 60 minutes of printing. This will allow you to assess the amount of adhesive build up over time.
  6. Once this is determined, then you’ll know how frequently you’ll need to clean the media clamps.
  7. When you see the adhesive build up, use IPA and a lint free cloth to wipe off the adhesive from the media clamps.
  8. If there is adhesive build-up on the pinch rollers, clean them as well.
  9. To avoid build-up, it is not recommended to print DPF 8000 unattended, such as with overnight printing.
  10. Best practice is to clean off ALL adhesive at the end of a print job.

Removing adhesive build up from your printer will lead to better print results.

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Kelly Kwo

Kelly started her career in 2000, working with a global provider of large-format advertising. Kelly was involved in a high-profile project developing large digital printers to output high-resolution graphics, which was unheard of at the time. Eager to expand on her knowledge, she joined the manufacturing side of the sign and graphics industry in 2006 when she joined Arlon.

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Kelly Kwo

Kelly started her career in 2000, working with a global provider of large-format advertising. Kelly was involved in a high-profile project developing large digital printers to output high-resolution graphics, which was unheard of at the time. Eager to expand on her knowledge, she joined the manufacturing side of the sign and graphics industry in 2006 when she joined Arlon.

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