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The original was posted on /r/3dprinting by /u/NorthStarZero on 2024-11-12 13:34:07+00:00.

My K1 Max is connected to a CyberPower CP1500PFCLCD UPS.

This weekend, 1 hour into a 7 hour print, the power in my house flickered. Print continued with no issue.

Then an hour and a half later, the power went completely out. I let it print for a couple of minutes, then pressed “pause” on the display. The printer kept the nozzle at 140, the bed at 50, and kept a fan running, and the UPS gave me 57 minutes of projected runtime.

62 minutes later - with the UPS showing 0 minutes reserve and beeping its head off - the power came back on. Pressed resume on the printer, and the print ran to completion with no flaws or issues.

I do wish that there was some way to have the UPS talk to the printer directly so it could auto-pause, but notwithstanding, having the UPS saved this job.