Brother Tw5-101-0x0 2021

: If you are using the physical button on the machine, ensure it is properly linked to your computer via Brother iPrint&Scan ControlCenter4 Check Your Firewall

With the machine plugged in but off, set your multimeter to DC voltage. Carefully probe the input power terminals on the TW5 board. You should see ~310V DC (if coming from a rectified AC line). If you see 0V, the problem is the main power filter, not the TW5 board. brother tw5-101-0x0