Laser printer sometimes trips an APC and shuts off computer??
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This exact thing happens to me, I've tried using APC, Tripp-lite, and CyberPower. The laser printer (not directly attached to UPS) but on same circuit warms up the fuser thus causing a brown-out condition on the circuit, then causing the UPS to activate to hold up the PC and other devices.. thus cycling its sealed lead acid 6v battery within a few seconds, causing them to go below 50%. This may work a few times but if it drops below 50% charge it damages the 6v battery.. thus will need to be replaced continually unless you move the laser printer or have the circuit conditioned to handle the greater load.
