Here is how to allow printing of accessible canvases in slack
- First click on the "Admin" item in the left sidebar
- Then click on the "Workspace Settings" option within the Admin Tools menu
- Click on the "Settings" tab in the main content area
- Then click on the "Expand" button for the "Canvas printing" section
- Then select the checkbox for "Anyone with view or edit access to a canvas can print it"
- Finally click on the "Save" button
