HP Scitex LX850 HP Scitex LX850 & LX820 Printers: Maintenance and troubles - Page 59
The substrate has jammed on the collector (LX850 only), The substrate sticks to the platen, The ink
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Substrate issues The substrate has jammed on the collector (LX850 only) Here are some possible explanations. ● Too much substrate on the collector. The maximum diameter of the output roll is 230 mm (9 in) for outwards winding, or 150 mm (5.9 in) for inwards winding. ● The substrate is misaligned. ● The loop shaper is of the wrong length. The substrate sticks to the platen When the substrate sticks to the platen, the most likely causes are excessive heat and excessive vacuum. Therefore, try decreasing the drying temperature or the vacuum. For information on how to adjust printer settings, see the User's guide. The ink is still wet when the substrate emerges 1. Check that the substrate you have loaded is the same type that you have selected in the HP Internal Print Server. 2. Reduce the ink limits. 3. Increase temperature settings for drying and curing. 4. Check that the curing plates are in the correct position for the current substrate. 5. If you find that some areas on the left side (LX850) or between the curing lamps will not dry after the above steps, try decreasing the airflow. For information on how to adjust printer settings, see the User's guide. The substrate is not flat If the substrate does not lie flat when it comes out of the printer, but has shallow waves in it, you are likely to see defects in the printed image, such as vertical stripes. This can happen when you use thin substrate that becomes saturated with ink; it can also be caused by the combination of heat and vacuum pressure that is applied to the substrate. ENWW The substrate has jammed on the collector (LX850 only) 53