geeetech i3 pro b

[christopher]

hi, i have just finished assembling my printer, but the lcd comes up with random numbers and symbols, instead of what it should. i seem to have wired it correctly but it still fails to work. any advice for a newcomer like me?

[William]

Hi, you can plug and unplug the screen cable again,
And see if reversed.
Signal interference caused by screen lines may cause garbled characters.