11-27-2020, 11:35 AM
Here is a comparison of the three versions from Elegoo's "how to replace the LCD" YouTube video:
![[Image: MotherboardsABC-ID.jpg]](http://www.paladinmicro.com/TestEquipment/ElegooMars/MotherboardsABC-ID.jpg)
There should be a serial number/series tag on the bottom of you printer--like this:
![[Image: Silver-SN.JPG]](http://www.paladinmicro.com/TestEquipment/ElegooMars/Silver-SN.JPG)
I know that those newer than "M13..." have the rev C motherboard...
![[Image: MotherboardsABC-ID.jpg]](http://www.paladinmicro.com/TestEquipment/ElegooMars/MotherboardsABC-ID.jpg)
There should be a serial number/series tag on the bottom of you printer--like this:
I know that those newer than "M13..." have the rev C motherboard...