1. Makesure that no product lights indicate errors, the CD/DVD tray is not inserted in the product, and
the CD/DVD feed tray is closed.
2. Loada few sheets of plain paper in the product.
3. Turnoff the product.
4. Holddown the paper/cancel button as you press the power button to turn the product back
on. Hold down both buttons until the power light begins to flash, then release the buttons.
5. Checkthe printed pattern to see if there are gaps in the lines.
Print head is clean
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