Hello.
You can fallow this video. This process should be easy, if its not there would be problem. This video isn't exactly for your machine but these machines are very similar to each other.
https://youtu.be/0njFslzCocE
I must disassemble my xerox 4112 eps to move it to a new building. How does each unit come apart? I have the 1) two tray high capacity feeder, then the 2) main 4112, then the 3) GBC hole punch, then the 4) booklet maker finisher. Thanks!