
After clicking the icon, you'll see this window appear -

Send To - Use this to export your plans to a PDF Document, a Microsoft Word document, or a Google Doc account by selecting the corresponding item in the list.
*Please note - when exporting to a Google Doc or Microsoft Word document, formatting within lessons may appear differently.
View - Click this to select the view you wish to print.
Items - Adjust which elements of your plans are included on the exported/printed/downloaded document. Just check/uncheck the corresponding items here and click "Done" when finished.

Range - The dates you are downloading/printing.
Layout - How your lessons appear on the document. You can print landscape or horizontally here, or one one or two pages. The One Page print will include Monday - Friday on a single page, and the Two Pages option will print Monday-Wednesday on a single page and Thursday-Friday on another. This will also display teacher notes on the second page when selecting this option.
The "View" Settings -

Week - The week format of your plans.
Day - The day format of your plans.
Class (List) - All plans in a single class for the dates you've selected.
Class (Month) - All plans in a single class for the dates you've selected in the month format.
Events (List) - All events for the dates you've selected.
Events (Month) - All events for the dates you've selected in the month format.
Notes - Print your Notes added using the notepad icon in the upper-left corner of the plans view.
To Do - Print the To Do items you have added using the notepad icon in the upper-left corner of the plans view.
Comments - Print comments left by students or admins/teachers.