• ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
  • ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
Guidelines
If you're having print quality issues Click here for more tips!
Check some of the most frequent questions about Instant Ink: HP INSTANT INK, HP+ PLANS: INK AND TONER.


Check out our Black or Color Ink Not Printing, Other Print Quality Issues info about: Print quality and Cartridge Issues.
Locked

‎10-28-2020 02:08 PM

HP Recommended
Product: LaserJet Pro 400 m401dn
Operating System: macOS 10.15 Catalina

I can suddenly no longer print on my LaserJet Pro 400 m401dn printer from my MacBook Pro (as of 10/23). Not sure if it's due to recent upgrade to version 10.15.7 of macOS Catalina.  Checked all connections and tried unplugging and replugging. Now I get the error message that I need to reinstall the printer software but it came on a CD and my MacBook doesn't have a disc drive. Anyone have any suggestions? Or is it time to get a new printer? 😞 

Category:
1 person had the same question
1 REPLY 1

‎10-28-2020 07:02 PM

HP Recommended

Check this link for an explanation of the recent problem and a solution

 

https://www.bleepingcomputer.com/news/security/mac-users-unable-to-print-after-apple-revoked-hp-cert...

 

If you find the information provided useful or solves your problems, help other users find the solution easier by marking my post as an accepted solution. Clicking "yes" on "was this reply helpful" also increases the chances that this solution will help others.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.



Was this reply helpful? Yes No
Warning
Be alert for scammers posting fake support phone numbers and/or email addresses on the community.
If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the Terms of Use and Rules of Participation.
Didn't find what you were looking for? Ask the community
† 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>.