3 answers
Hi Colin,
on a report click on the dropdown by 'Edit' button and select 'Export'. You will see two options for export now, 'Formatted Excel' and 'Details Only'. Formatted Excel is our new version of printable view.
Please vote below idea.
https://success.salesforce.com/ideaView?id=0873A000000LoAJQA0
Help Article - Print a Report
https://help.salesforce.com/articleView?id=reports_print.htm&type=5