By format I meant file type: .pdf, .xls, .doc, .txt - file extension names actually.
Apologies - should have worded that more clearly.
Most likely the report is .pdf. E.g., StockReportJuly.pdf......
Does the report look okay if you do a "Print Preview" beforehand?
Or try saving the the report as .pdf versus directly printing it.
Open with Adobe and see if the report prints correctly.
Usually jumbled output is a result of the printing instructions (control codes) being corrupted or not matching the what the printer will understand.
One other thing you can do is go back to your Scotttrade account and see if a couple of older reports that printed correctly will still print correctly.
As a matter of elimination, based on your troubleshooting to date, it could be that the report has a problem.....