A horizontal line appears on prints every 9/32 of an inch, especially on lighter prints

The following a step by step instructions for the printer issue:
Confirm the ink tank(s) are properly installed
Perform print head alignment
Perform Print Head Cleaning - iP4500
If the prints are faint or streaks are printed, the print head nozzles may be clogged. Those phenomena can be improved by performing print head cleaning or print head deep cleaning. Also, you can check the cleaning results by printing the Nozzle Check Pattern after cleaning.
Remove tape from the ink tank and make sure the air hole is clear
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