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print head” on page 64. If the color blocks continue to show print quality problems after cleaning and aligning, contact HP customer support.
•History log: contains information that might be used for diagnostic purposes if you need to call HP customer support.
Cause: The print carriage was blocked by a paper jam.
If this did not solve the issue, try the next solution.
Solution 3: Ensure that the product is connected to a suitable power source
Solution: Verify that the product is properly connected to a suitable power source.
To verify the product is connected to a suitable power source
1.Make sure that you are using the power cord provided with the product.
2.If the product is connected to a computer, make sure the computer has a grounded
3.Make sure the power cord is firmly connected to both the product and the power adaptor.
4.Plug the power cord directly into a power outlet.
1Power connection
2Power cord and adaptor
3Power outlet
Troubleshooting
Errors 155