Good day. May the forums welcome you! 🙂 Hope you are doing well. 🙂 I understand that you require information on how to disable double sided printing on envelopes. I will be delighted to assist you. 🙂
Great observations. Superb diagnosis of the issue as well before posting. Kudos to you on that score. 🙂 You are a privileged HP customer and we value your relationship with HP greatly. It is a genuine pleasure to share this platform with you. 🙂
For better clarity and to assist you better I’d require more information regarding this.
Please let me know the complete printer model# and the operating system used.
Have you also checked the product specifications of the printer for supported media?
Hope this helps. Let me know how this goes. I genuinely hope the issue gets resolved without hassles and the unit works great.🙂Please reach out for any issues and I'll be there to assist you. 🙂
To simply say thanks, please click the "Thumbs Up" button to give me a Kudos to appreciate my efforts to help. If this helps, please mark this as “Accepted Solution” as it will help several others with the same issue to get it resolved without hassles.🙂