HP C4485, C4472, C4435, C4440 manual Product not found, Communication test failed

Models: C4435 C4472 C4440 C4485

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Product not found

Solution: If the product is not properly connected to the computer, communication errors can occur. Make sure the USB cable is securely connected to the product and the computer, as shown below.

Cause: The USB cable was not plugged in properly.

Communication test failed

Try the following solutions to resolve the issue. Solutions are listed in order, with the most likely solution first. If the first solution does not solve the problem, continue trying the remaining solutions until the issue is resolved.

Solution 1: Turn on the product

Solution 2: Connect the product to the computer

Troubleshooting

Solution 1: Turn on the product

Solution: Look at the display on the product. If the display is blank and the On button is not lit, the product is turned off. Make sure the power cord is firmly connected to the product and plugged into a power outlet. Press the On button to turn on the product.

Cause: The product was turned off.

If this did not solve the issue, try the next solution.

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HP C4485, C4472, C4435, C4440 manual Product not found, Communication test failed