need help with my printer. hp office jet pro 7740

[wv1590]

i have hp office jet pro 7740.  i can't scan and most of the time have it reinstall the printer to print

[Sneha_01]

Hi @wv1590,

Welcome to HP Support Community.

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

If you're having trouble scanning with your HP OfficeJet Pro 7740 and frequently need to reinstall the printer to print, it could be due to several issues including software conflicts, driver problems, or network connectivity issues. Here’s a step-by-step guide to troubleshoot and resolve these problems:

1. Check Printer Connectivity

Ensure Proper Connection:

• Wired Connection: If using a USB cable, ensure it is securely connected to both the printer and your computer.
• Wireless Connection: Ensure the printer is connected to the same Wi-Fi network as your computer.

Restart Devices:

• Printer: Turn off the printer, wait for 10 seconds, and turn it back on.
• Computer: Restart your computer to reset any potential software conflicts.

2. Reinstall Printer Software

Uninstall Existing Software:

• Windows:
  • Go to Control Panel > Devices and Printers.
  • Right-click on your HP OfficeJet Pro 7740 and select Remove device.
  • Uninstall any related HP software from Control Panel > Programs and Features.
• Mac:
  • Go to System Preferences > Printers & Scanners.
  • Select your HP OfficeJet Pro 7740 and click - to remove it.

Download and Install the Latest Software:

• Go to the HP Support website and search for your HP OfficeJet Pro 7740.
• Download the latest drivers and software for your operating system.
• Install the software and follow the on-screen instructions.

3. Update Printer Firmware

1. Check for Firmware Updates:
   • Visit the HP Support website and search for firmware updates for your HP OfficeJet Pro 7740.Follow the instructions to download and install any available updates.

4. Troubleshoot Scanning Issues

• Open the HP Smart app or HP Scan software and check the scan settings to ensure they are correctly configured.
• Download and run the HP Print and Scan Doctor to diagnose and fix common printing and scanning issues.
• Ensure that the scanner software is properly installed and updated. If you are using third-party scanning software, try using the HP software instead.

5. Check Network and Firewall Settings

• Ensure the printer is properly connected to your network and has a valid IP address.
• Ensure that your firewall or antivirus software is not blocking the printer’s communication. Add exceptions for HP software if necessary.

6. Perform Printer Reset

1. Reset the Printer:
   • Turn off the printer and unplug it from the power source.
   • Wait for about 60 seconds, then plug it back in and turn it on.

7. Test the Printer

Test Printing:

• Try printing a test page to ensure the printer is functioning correctly.
• Windows: Go to Control Panel > Devices and Printers, right-click your printer, and select Printer properties > Print test page.
• Mac: Go to System Preferences > Printers & Scanners, select your printer, and click Open Print Queue > Print Test Page.

Test Scanning:

• Open the HP Smart app or HP Scan software and try scanning a document.

I hope this helps.

Take care and have a good day.

Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.

Rachel571

HP Support