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Cause

Cause of following may have occurred failure of automatic print head alignment.

• Print head nozzles are clogged.
• Paper of size other than A4 or Letter is loaded in the rear tray.
• Paper output slot is exposed to strong light.

What to Do

Press the printer's OK button to cancel the error and take the corresponding actions below.

• Check the print head condition by printing the nozzle check pattern.
• Load two sheets of A4/Letter-size plain paper in the rear tray.
• Adjust your operating environment and/or the position of the printer so that the paper output slot is not exposed directly to strong light.

After doing the measure above, perform automatic print head alignment again.

If the error still not be resolved, press the printer's OK button to cancel the error, then load two sheets of A4/Letter-size plain paper in the rear tray and perform manual print head alignment.