Introduction
Dust and other debris as well as ink mist can accumulate on the UV LED unit windows. There is a quartz window below each of the two sets of UV LED units.
About this task
Inspect and clean the UV LED unit windows once a month.
Equipment
Poly-Wipe lint-free Cloth, Isopropyl alcohol, scraper
Procedure
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Wipe the bottom of the quartz window with a lint-free cloth soaked in isopropyl alcohol.
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If you see any cured ink, it can be removed by scraping with a razor blade or similar tool held at a 45-degree angle, afterwards wipe with a lint-free cloth soaked in isopropyl alcohol.
