The main power supply board in short we call it (SMPS) the error you got is quite common that the main power is not getting in to the transformer in the correct voltage. Normally is to replace the SMPS and the fuser as well.
For more Technical test on the SMPS 1st of all we will test the fuse on the SMPS which is located at the bottom right hand corner. using a multi-tester, 2nd will be the capacitor and 3rd which is the last will be the big and small transformer with power on. note the last test is dangeroures unless you are a electrician experts.
Best of luck!
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