Home » HP Printer Event Code 71.02.4a: Troubleshooting and Solutions

HP Printer Event Code 71.02.4a: Troubleshooting and Solutions

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If you own an HP printer, you may have encountered various error codes that can disrupt your printing tasks. One such error code is 71.02.4a, which can be quite frustrating if you don’t know how to resolve it. In this article, we will explore the causes behind this error code and provide you with effective troubleshooting steps to get your printer up and running again.

Understanding HP Printer Error Code 71.02.4a

Error code 71.02.4a on an HP printer indicates a problem with the carousel rotation. The carousel, also known as the toner carousel or image carousel, is responsible for holding and distributing toner cartridges during the printing process. When this error occurs, it usually means that the carousel is not functioning correctly, leading to printing issues.

Possible Causes of Error Code 71.02.4a

Several factors can contribute to the occurrence of error code 71.02.4a. By understanding these causes, you can better troubleshoot and resolve the issue. Here are some common reasons why you might encounter this error:

1. Obstructed or Jammed Carousel

If the carousel is obstructed or jammed, it can trigger error code 71.02.4a. Paper scraps, debris, or a misaligned carousel can prevent it from rotating smoothly, causing the error to appear. Checking for any physical obstructions and addressing them is crucial in resolving this issue.

2. Faulty Carousel Motor

A malfunctioning carousel motor can also be the culprit behind error code 71.02.4a. If the motor fails to rotate the carousel properly, the printer will detect the issue and display the error code. In such cases, repairing or replacing the motor may be necessary to fix the problem.

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3. Incompatible or Defective Toner Cartridge

Incompatible or Defective Toner Cartridge

Using an incompatible or defective toner cartridge can lead to various errors, including 71.02.4a. If the printer cannot recognize or work with the installed toner cartridge, it may result in carousel rotation problems. Verifying the compatibility of the cartridge or replacing it with a genuine one can resolve this issue.

4. Firmware or Software Glitches

Sometimes, firmware or software glitches within the printer can trigger error code 71.02.4a. These glitches can cause communication errors between the printer components, including the carousel. Updating the printer’s firmware or troubleshooting the software can often rectify the issue.

Troubleshooting Steps for HP Printer Error Code 71.02.4a

To resolve error code 71.02.4a on your HP printer, follow the troubleshooting steps outlined below:

1. Check for Obstructions

Start by inspecting the carousel for any obstructions or debris that may hinder its rotation. Turn off the printer, unplug it, and carefully remove the toner cartridges. Look for any paper scraps, foreign objects, or misaligned components. Clear away any obstructions and ensure the carousel moves freely.

2. Restart the Printer

Restart the Printer

Power off your printer completely by unplugging it from the power source. Wait for a few minutes before plugging it back in. Power on the printer and check if the error code persists. Sometimes, a simple restart can resolve temporary glitches and reset the printer’s components.

3. Verify Toner Cartridge Compatibility

Verify Toner Cartridge Compatibility

If you recently replaced the toner cartridge, ensure it is compatible with your HP printer model. Using incompatible cartridges can lead to carousel rotation issues and trigger error code 71.02.4a. Check the manufacturer’s specifications or consult the printer’s manual for a list of compatible cartridges.

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4. Replace Defective Toner Cartridges

Replace Defective Toner Cartridges

If you suspect that the installed toner cartridge is defective, try replacing it with a new, genuine cartridge. Defective cartridges can cause errors and disrupt the functioning of the carousel. Ensure that the replacement cartridge is compatible and properly installed.

5. Update Firmware and Software

Update Firmware and Software

Visit the official HP support website and check if there are any available firmware or software updates for your printer model. Download and install the latest updates following the provided instructions. Updating the printer’s firmware can resolve known issues and bugs that may be causing error code 71.02.4a.

6. Seek Professional Assistance

If you have tried the troubleshooting steps mentioned above and the error code persists, it may be best to seek professional assistance. Contact HP customer support or reach out to a certified technician who specializes in printer repairs. They will be able to diagnose the issue accurately and provide you with the appropriate solution for resolving error code 71.02.4a on your HP printer.


Encountering error code 71.02.4a on your HP printer can be a frustrating experience, but with the right troubleshooting steps, you can resolve the issue and get back to your printing tasks. Remember to check for any obstructions, ensure toner cartridge compatibility, and update firmware or software as necessary. If all else fails, don’t hesitate to seek professional assistance to diagnose and fix the problem.

Frequently Asked Questions (FAQs)

1. Can I use third-party toner cartridges with my HP printer?

It is recommended to use genuine toner cartridges that are specifically designed for your HP printer. Third-party cartridges may not be compatible and can lead to errors such as 71.02.4a.

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2. How often should I update my printer’s firmware?

It is a good practice to periodically check for firmware updates for your printer model. Manufacturers release updates to improve performance, address issues, and ensure compatibility with the latest technologies.

3. Why is it important to unplug the printer when checking for obstructions?

Unplugging the printer ensures your safety and prevents any electrical accidents while inspecting the internal components. It also allows the printer to reset and clear any temporary glitches.

4. What should I do if the error code persists after following all the troubleshooting steps?

If the error code 71.02.4a continues to appear even after attempting all the troubleshooting steps, it is recommended to contact HP customer support or a certified printer technician for further assistance.

5. How can I prevent carousel rotation issues in the future?

To prevent carousel rotation problems and error code 71.02.4a, make sure to keep your printer clean and free from debris. Regularly check for any paper scraps or foreign objects that may obstruct the carousel’s movement. Additionally, use genuine toner cartridges and keep your printer’s firmware up to date.

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