I have the same issue, M20 does not print right with current drivers. I think I need older than 5.3, running 64bit.
Without a specific driver version and Operating system in use version I am left with randomly linking a driver from the 13 versions released per architecture(x86/x64) and type (PS/PCL/PCL6)
So here is the x86 PS GPD version 5.303.17.5 non-WHQL
we have a workcentre m20 ans a workcentre 24. the current pritn drivers do not work
however a older pc has an old driver and it works flawlessly
2014 and 2015 version. sorry for the delay
Which version did you need?
im looking to download an older version of the global print Driver. the current one the website is not working for our printers. anyway to get earlier versions?