UV Bulb Expectations HP Designjet H35000/H45000 Printer series (ColorSpan 5400 Series) 1
Introduction Many customers have questions about the bulbs for the UV-curing lamps on the HP Designjet H35000/H45000 Printer series (ColorSpan 5400uv Series). This document defines the factors that contribute to bulb wear and what to expect from your UV system. Terminology The UV lamp system consists of these parts: Lamp Housings The two ventilated boxes on the left and right sides of the carriage.
2. Change to the next slower print mode. Each mode moves the media through the lamp zone at a different rate. Slower print modes allow the printed ink to be exposed to the decreased lamp energy more times, resulting in an accumulation of enough UV energy to cure the ink. At some later time, the energy output even at the high power setting combined with printing in the slowest mode will not expose the ink to enough UV energy to cure. At this point there is no option except to replace the bulbs.
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