6.6 OTHER PROBLEMS
6.6.1 DARK LINES IN HALFTONE AREAS AT 75MM INTERVALS
Using the machine in a room where the humidity is too low may cause dark lines in halftone areas
at 75mm intervals. This is because low-humidity conditions tend to cause variations in light
sensitivity across the surface of the drum.
Selecting [On] for [Low Humidity Mode] under the [System] tab in [Printer Configuration] with SOM
(Smart Organizing Monitor) may help to prevent these lines from appearing.
When the humidity mode setting is enabled, the drum is rotated slightly every 15 minutes. This
keeps the light sensitivity constant across the entire surface of the drum.
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