If the main logic board (formatter) develops a memory corruption issue, it misreads the Truefort signal. This is common after a power surge or a failed firmware update.
If the software steps fail, you are dealing with hardware. For the "tryf tabt" error, two parts are usually at fault. tryf tabt laserjet pro mfp m125nw
Before you buy any parts, try these diagnostic steps on your HP LaserJet Pro MFP M125nw. If the main logic board (formatter) develops a