HP Latex 2700 User Guide 3 - Page 276
There are ink marks on the substrate, Substrate sticks to the platen
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Vacuum and tensions (continued) Substrate category Recommended PP PE Film and Banner 150 60 50 Canvas 150 70 55 Generic Textile 0 50 40 i 150 65 55 150 75 60 50 50 45 ii 150 70 60 150 80 65 100 60 50 iii 250 70 70 250 80 75 150 65 60 iv 300 75 80 300 85 80 250 70 75 v 350 85 85 350 85 85 350 85 85 TIP: If you have suffered a substrate crash, try starting with step iv and moving backwards up the table until you find settings that work. 8. Try reducing the curing temperature and ink quantity, and raise the curing airflow to help in reducing the substrate's thermal contraction. 9. Consider changing the printer configuration. Use the roll-to-free-fall configuration as it is least prone to wrinkles. 10. If you cannot get rid of the wrinkles, try raising the carriage beam slightly, so that the printhead is not so close to the substrate. For information on how to adjust printer settings, see Edit a substrate preset on page 76. There are ink marks on the substrate This problem can occur if any component in contact with the substrate is dirty. Check the pinchwheels, diverters, print platen, curing module plates, and roller, and clean them if necessary. If the ink marks occur at the sides of the substrate and not in the center, and you are using the substrate edge holders, check that they are correctly placed and clean. Substrate sticks to the platen When the substrate sticks to the platen, the most likely causes are excessive heat applied by the drying system, excessive vacuum, or a dirty platen, which increases friction and can impede the substrate advance. In the latter case, the substrate may rise up in a bubble or wave before reaching the platen. Here are some suggested ways to correct the problem: 1. Check that the substrate you are using is the same type as the one you have selected in the Internal Print Server. 2. Check that you are printing on the correct side of the substrate. 3. Check that you are using the generic substrate preset for the substrate category. The use of incorrect values could cause incorrect substrate behavior. 4. Reload the substrate and try to minimize skew while loading. Check that you are loading the substrate using the correct procedure. There are ink marks on the substrate 269
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