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 (three-prong) power plug.
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.
1 Power connection
2 Power cord and adaptor
3 Power outlet
Errors 155
Troubleshooting
