HP Latex 3200 Users Guide - Page 381
Collector issues, The collector stops winding
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- Ensure that the density of ink is similar between each tile (if not, the tile with less ink might be shorter). - If possible, decrease the heating temperature. - Reduce the ink restrictions as much as possible. ● Make sure that the roll is left within the room where the printer is located for at least 24 hours, this is to ensure the complete roll has the same temperature as the printer. 2. Do not touch the print adjustments (no change of substrate advance compensation) between tiles. 3. Print all the tiles at once. ● Do not split the jobs at different times (1 tile one day, and the 2nd tile the 2nd day) ● Do not change the print mode or the substrate width between tiles. To print the tiles all at once, we recommend the following: a. Create the tiles from the Internal Print Server. b. If you are creating the tiles from the RIP, ensure that you send all the tiles within the same jobs sent to the printer/Internal Print Server. The objective is to make sure that there is no pause between the tiles. When using the Queue mode in the Internal Print Server, there is still a small time between jobs, which could add more variability between the lengths of the tiles. 4. In order to make sure that even the first tile has less difference in length compared with the other ones, add a top margin of 50 cm. In case you have to reprint one tile, in order to ensure the length will be as close as the previous jobs: ● Make sure that the substrate and also the ambient temperature of the printer are the same as when the previous job was printed. ● Add a top margin of 50 cm. But in any case, when having to reprint a tile later, there is a higher probability that the length will be different from the other tile length. The total length repeatability depends on the substrate, the changes in environmental conditions, and the contents of each job (mainly when the substrate is reacting differently depending on the ink density). Collector issues The collector stops winding The collector has a safety timer that will stop rewinding substrate if it is not fully collected after 30 seconds, and will stop unwinding substrate after 5 seconds if the substrate loop is not detected by the collector sensor. If you have a lot of substrate to be collected lying on the floor, you will have to restart the collector by clicking the corresponding icon. ● If the collector keeps stopping, and collector movement causes the substrate to be tight between pressure roller and collector when winding, there could be an object blocking the collector sensor path, or the winding direction may not have been selected correctly when restarting the collector. ● If the collector keeps stopping, and collector movement makes substrate loops accumulate on the ground when unwinding, it is possible that the winding direction has not been selected correctly when restarting the collector, or that the collector sensor or electronics are broken and should be replaced. ENWW Collector issues 375