04-06-2014 11:43 PM - edited 04-06-2014 11:44 PM
04-07-2014 02:27 AM - edited 04-07-2014 02:27 AM
I have the same message on a few printers in my company and it seems that we're not allone:
The message is also displayed on the printers display.
04-07-2014 10:10 AM
Same here. Happened last week on April Fool's, and again this morning. Not sure if malicious or not. The affected printers are on open NATs for use outside our network. Three 4015s, and a 4700dn.
04-08-2014 10:28 AM - edited 06-11-2014 06:53 AM
To clear the message, simply power-cycle the printer. To prevent it from happening in the future, set the PJL password and the Admin Password to your product. Refer to your printer’s User Guide for more information.
Note: This is not a virus/worm and won’t harm your printer. It is simply a control panel “Ready message”.
For Web Jetadmin users, I also recommend reading this document. HP Imaging and Printing Security Best Practices
Assigning a system password (This is for the LaserJet M575, see your User Guide for instruction specific to your product)
Assign an administrator password for access to the product and the HP Embedded Web Server so that
unauthorized users cannot change the product settings.
1. Open the HP Embedded Web Server by entering the product IP address into the address line of a
2. Click the Security tab.
3. Open the General Security menu.
4. In the Username field, enter the name to associate with the password.
5. Enter the password in the New Password field, and then enter it again in the Verify
NOTE: If you are changing an existing password, you must first enter the existing password in
the Old Password field.
6. Click the Apply button. Make note of the password and store it in a safe place.
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