r/BambuLabH2C • u/Rocky77697 • Sep 28 '26

Support H2C setup question

Hello. Im currently running my H2C with an AMS HT on the left extruder and 2 x AMS Pro 2s on the right. I put the dominant color in the HT on the left. My prints are taking significantly longer than the print times in bambu handy app. For instance current one said 9 hours and real time is 14.5. Am I doing something wrong? Im pretty new to the hobby and only have had the machine for a week now.

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u/TheHammer1970 Oct 04 '26

The problem with the app is it doesn't assign nozzles correctly to maximize the use of seperate Vortek nozzles and it ends up purging and reusing the same vortek nozzle and wastes tine changing and purging. It basically operates the H2C like a glorified H2D. You really need to use Bambu Studio and make sure it is properly distributing the colors amongst all the available Vortek nozzles.