Individuals are reporting an inability to open the print window in OotW and are therefore sporadically unable to print in OotW across multiple browsers.
Resolution Status: Unresolved. This issue has been acknowledged by Microsoft, and a fix is being rolled out.
Workaround
Individuals experiencing this issue should use the appropriate keyboard shortcut (Ctrl + P in Windows computers or command + P
on Macs) to initiate the print window from his/her browser.
Alternatively, individuals may be able to print using a different web
browser.