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Old 01-08-2022, 11:43 AM   #14
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Default Re: Need some help with Epson Printer Power Supply C655 MAIN

Replace the transistors. Look up the specs and match something…it doesn’t have to be the exact same part number. Now check R164 to GND and see if there is a short or not. Maybe something else is bad that is on that rail where the transistors output on that made the transistors go short (like the print head shorted), or the transistors just failed. Could be that IC10 is bad too. Now… where these transistors shorted all way around between the 3 legs?

Last edited by CapLeaker; 01-08-2022 at 11:54 AM..
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