hp officejet pro 8715 prints but its not legible

[Sesp2019]

HI all,  my HP officejet Pro 8715 prints from my laptop but what it prints is not legible.  I performed the cleaning of the printer heads and alignment and they are correct.  It was printing just fine 2 days ago. 

It prints black solid rectangles for each letter.  No puntuation but appears to be where the print is supposed to be but no letters are being printed.  I tried restarting the printer twice and just dont know what to do next.   Please help.

[Sesp2019]

this is what the printed paper looks like

[Raj1788]

@Sesp2019

Thank you for joining the HP Support Community

To provide you with an accurate solution, I'll need a few more details:

Are you facing the same issue while making a copy?

If the copy is working fine this could be a driver issue.

Let's update the printer firmware and Mac software:

Update printer firmware

Update software on Mac 

Restart the printer and the MAC

Then, follow the below steps to remove the printer and add the printer as AirPrint.

Step 1: Remove multiple printers from the printer list

Check for multiple devices in the Printers list, and then remove any extra entries other than one in idle status.

1. Search the Mac for Print, and then click Print & Fax, Print & Scan, or Printers & Scanners in the list of results.

2. Find the printer names that match your printer from the list of devices.

   Figure : Printers and Scanner window with multiple names of a printer in the list

   

3. If you see multiple printer queues for the same printer, remove all extra printers by selecting them one at a time, and then clicking the minus button  at the bottom of the list. Leave one 'idle' printer in the list that matches your printer if available and use this printer as the Default printer.

4. Try printing again.

   • If the printer prints, you can stop troubleshooting.

   • If the printer remains offline or displays an error, continue to the next step.

Step 2: Delete the existing print queue and add the printer

Remove the printer queue from the list of printers, and then add it again. Doing so creates a new printing session.

1. Make sure your Mac is connected to the Internet.

2. In the Printers list, click your HP printer, and then click the Minus button  to delete it.

3. Click the Add button .

4. Find and select the name of your printer from the Printer list, and then click Add to add your printer. Do not select an HP Fax driver.

   Figure : Example of the printer selection list

   

5. Click Print Using or Use.

6. Select the name of your printer (if available) or AirPrint.

   Figure : Menu showing AirPrint selected

   

   Your new printer queue displays in the Printers list in an Idle status .

   Figure : Example of a newly added printer in the Printers & Scanners list

   

7. Try printing again.

If you are facing the same issue while making a copy, refer to this document: https://support.hp.com/in-en/product/hp-officejet-pro-8710-all-in-one-printer-series/7902014/model/7...

Keep me posted, how it goes!

If the information I've provided was helpful, give us some reinforcement by clicking the Accepted Solution and Kudos buttons, that'll help us and others see that we've got the answers!

Have a great day!

Cheers:)