Forgotten admin password LaserJet Pro MFP M148fdw

[ObiWanKenobi47]

Help!  I forgot my printer's admin password and I can't figure out how to reset it.  I've tried going into the service menu but I keep getting "enter password" and I can't get passed there.  How do I reset my printer's password?  It's the HP LaserJet Pro MFP M148fdw.  I've tried from the printer control panel, from my iPhone HP app, and from my macBook without success.

[Echo_Lake]

@ObiWanKenobi47

Thank you for posting on the HP Support Community.
 

Don't worry as I'll be glad to help, I appreciate your efforts to try and resolve the issue. 
 

let's try to restore the printer to the factory default settings-

1. On the printer control panel, press the Setup button ().
2. Open the following menus:
   Service
   Restore Defaults
3. Touch or press the OK button. The printer automatically restarts.

Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

[ObiWanKenobi47]

I can't get into the service menu.  I click the wrench, no problem.  I find the service menu, no problem.  As soon as I hit OK to open the service menu, the printer asks for the password.

[Echo_Lake]

@ObiWanKenobi47

Thank you for posting back. 

Could you share the screen where it's asking for the password? 

[ObiWanKenobi47]

 

[Echo_Lake]

@ObiWanKenobi47

Thank you for posting back.

I'm sending out a private message to assist you with the next course of action. Please check your Private message icon on the upper right corner of your HP Community profile Next, to your profile Name, you should see a little blue envelope, please click on it or simply click on this link: https://h30434.www3.hp.com/t5/notes/privatenotespage
 

Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!