How can a print gradebook reports without exporting to Excel and having to organize the columns...?
What exactly are you looking to print? Are you looking to print individual student grades or the entire grade book?
Exporting to Excel is really the only way to print the grade book in any meaningful way.
There are couple of feature requests around this idea:
Print the Gradebook to a PDF
Gradebook: Individual View Reporting
Retrieving data ...