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Common problems HP Solution Center not working : Adobe Flash Player Error and Unable to scan
We would like to share some of the most frequently asked questions about HP Solution Center not working : Adobe Flash Player Error and Unable to Scan.
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BTW, after spending way too much time on trying to solve a faxing "connection error" problem while setting up my new LaserJet Pro 3301cdw, trying repeatedly to fax to all or any of the numbers in my address book, and spending way too much time with tech support, it turns out the issue was that I had put dashes in the phone numbers to fax to. My wife figured it out once we put the numbers in manually without the dashes. DO NOT EVER DO THIS! Input numbers as xxxxxxxxxx, NOT xxx-xxx-xxxx. Problem solved.

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Hi @XManFBI,

Welcome to the HP Support Community.
 

Thank you for posting your query. I will be glad to help you.

 

Thank you so much for sharing this. Your experience will definitely help other LaserJet Pro 3301cdw users.

You are absolutely right:
The fax feature on many HP printers does not accept phone numbers with dashes, spaces, or symbols.

If the number is entered as xxx-xxx-xxxx, the fax can fail with “Connection Error” or “Invalid Number.”

✔ The correct format is: XXXXXXXXXX (digits only)
✔ No dashes
✔ No spaces
✔ No parentheses

It’s great that your wife spotted it; that’s exactly the fix.

Thank you again for pointing this out. This type of feedback really helps other customers avoid the same frustration! If you run into anything else while setting up your 3301cdw, feel free to reach out. We’re always here to help.

 

Take care and have an amazing day!
 

Did we resolve the issue? If yes, please consider marking this post as "Accepted Solution" and click "Yes" to give us a helpful vote - your feedback keeps us going!

 

Regards,

VikramTheGreat

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.