all lights of printer blink

[saching77]

all lights blink 

[Sneha_01]

Hi @saching77,

Welcome to HP Support Community.

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

When all the lights on your HP printer are blinking, it usually indicates an error or a problem that needs attention. Here are some general troubleshooting steps to resolve this issue:

**1. Identify the Error

**a. Check for Error Messages:

• Printer Display: Look at the printer’s display for any error messages or codes. These can give clues about the issue.

**b. Consult the Manual:

• Refer to the Manual: Check the printer’s user manual or the HP website for information on what the blinking lights indicate for your specific model.

**2. Basic Troubleshooting

**a. Power Cycle the Printer:

• Turn Off: Turn off the printer and unplug it from the power source.
• Wait: Leave it unplugged for about 60 seconds.
• Plug In and Power On: Plug the printer back in and turn it on to see if the blinking lights issue is resolved.

**b. Check for Paper Jams:

• Inspect: Open the paper trays and access doors to check for any paper jams or obstructions.
• Clear Jams: Remove any jammed paper carefully.

**c. Check Ink Cartridges:

• Inspect Cartridges: Open the ink cartridge access door and make sure the cartridges are properly installed.
• Reinstall Cartridges: Remove and reinstall the cartridges to ensure they are seated correctly.

**d. Verify Connections:

• Check Cables: Ensure that all cables and connections are secure, including the power cord and any USB or network cables.

**3. Advanced Troubleshooting

**a. Perform a Hard Reset:

• Power Off and Unplug: Turn off the printer and unplug it from the power source.
• Hold Power Button: Press and hold the power button for about 30 seconds to clear any residual power.
• Plug In and Power On: Plug the printer back in and turn it on.

**b. Update or Reinstall Printer Firmware:

• Check for Firmware Updates: Visit the HP Support website to see if there are any firmware updates available for your printer.
• Update Firmware: Follow the instructions on the HP website to update your printer’s firmware.

**c. Perform Printer Diagnostics:

• HP Diagnostic Tools: Use HP’s diagnostic tools or software to run a diagnostic check on your printer.

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