After a prescription is written it will appear as an 'Interaction' on the patient's chart
Click into the 'Rx Interaction' to view the details and make updates, if needed
Click on 'Print Prescription' to open your printer settings
Select your printer from the dropdown
Click 'More Settings'
Under 'Scale' select 'Custom'
It may take some trial and error to figure out what the correct scale is for your printer. 94 is a good place to start. Watch the preview on the left to confirm when all information is on one page