Here are some steps to help solve the issue with your printer not recognizing or printing from a particular email address:

1. Ensure your printer is connected to the network
2. Check your printer’s manual to make sure that it is able to print from a particular email address or account
3. Update the printer driver if it is out of date
4. Make sure that the account you are trying to print from has been correctly set-up
5. Double-check the email address you are attempting to print from
6. Verify your printer is set-up correctly and is not in error state