HP Scitex LX850 HP Scitex LX850 & LX820 Printers: Maintenance and troubles - Page 58
The collector stops winding prematurely (LX850 only)
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Substrate issues The collector stops winding prematurely (LX850 only) The collector has a safety mechanism that will stop rewinding substrate if it is not fully collected after a couple of seconds. If you have a lot of substrate to be collected, you will have to restart the collector manually after it stops. The collector occasionally fails to work correctly (LX850 only) The collector may fail to work correctly if its optical sensors are dirty or blocked by some obstacle. The collector winds in the wrong direction (LX850 only) 1. Check that the winding direction is set correctly in the HP Internal Print Server. 2. Check that there is no obstacle blocking the collector's two optical sensors. The collector detaches the substrate from the spindle (LX850 only) Here are some possible explanations. ● The winding direction has been set wrongly. ● The collector has been loaded wrongly. ● The loop shaper is missing and there is too much tension. There is skew or telescoping on the collector (LX850 only) This may happen if the substrate is misaligned or if the loop shaper is of the wrong length. 52 Chapter 6 Troubleshoot substrate issues ENWW