Flight checking for print

We had the task to check a document for errors before it went to print, in teams of 3 we started to work our way through the document finding errors which included wrong colour modes, RGB not CMYK, Wrong Image size, Use of colours not needed, Use of registration black instead of Key black, No bleed.

This was all done manually using our knowledge and the info tab,it can also be done by uses the preflight option in the file tab, but it is best to check for your self and give the printer a report in a text file.