A:AnswerAccording to download of HP Smart on my phone it is supposed to print from other devices. With the app on your phone you can print from the phone. I don't know if this answers your question.
A:AnswerHi Dave, apologies for what you're experiencing. We're unable to diagnose your issue in this forum. Please reach out to Support.HP.com or call 800-474-6836.
A:AnswerHi Allan and thanks for your question! We recommend visiting our HP Support Page for help and step by step instructions on how to print envelopes with your HP Smart Tank.