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6-20 Clean the Quartz Windows
Clean the Quartz
Windows
The quartz windows protect the UV lamp cartridges from ink,
media, and environmental dust. They should be checked period-
ically for dust buildup, which reduces the curing efficiency of the
UV lamps.
WARNING UV light hazard. Excess exposure to high-intensity
UV light can result in photokeratitis (also known as
snowblindness or welder’s flash). AVOID LOOKING
DIRECTLY AT THE UV LIGHT.
VORSICHT UV Licht hoher Intensität. Bitte vermeiden Sie es,
direkt in die Lampen zu schauen.
Caution Avoid depositing skin oils onto the quartz windows.
Skin oils left on the quartz windows could cause the
windows to shatter when heated.
Note If the quartz window is becoming opaque (devitrifi-
cation) or is chipped, cracked, or cannot be cleaned,
then it should be replaced to ensure that the ink can
be cured.
To perform this procedure, you will need
• Protective gloves and safety glasses
• Lint-free (cleanroom) cloths
• HP Scitex MF50 Flushing Solution in small squirt bottle
• Non-metallic scouring pad or razor blade scraper