6. Using the flashlight, check the translucent film shown here for ink smears.
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Translucent film
2
Print head rail
Caution: Do not touch the print head rail or wipe the grease off of it. You may not be able to print.
7. Moisten a cotton swab with the water and detergent mixture, and squeeze out any excess moisture.
Lightly wipe the ink off the translucent film.
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