
So nozzles usually don't have much impact on print quality, but that was bad. Of all the nozzles in the pack, only a few could be used for retraction prints. Here's why: the holes drilled in the back aren't perfectly centered! To the point where I don't even need a magnifying glass to see the discrepancy between some injectors. Many of them had metal shavings left over, to remove some of them I had to use a drill. I haven't checked the nozzle diameter, but I wouldn't be surprised if it was off too. Problems I've encountered: Popping and pulling on every print with retraction (two nozzles haven't worked so far). I don't have this problem out of the 8 I've tried). I know it's a lure because if I switch to higher quality lures that I bought elsewhere I won't have any withdrawal problems.

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