Ricoh Beluga-C1 Training page 178

How to Use the Low/High Duty Setting?
The default setting is high duty mode.
In low duty mode, if the copy volume is more
than 2,500 m/month or 200 m/day, toner
scattering can occur.
In high duty mode, if the copy volume is low,
image density in solid areas can be slightly too
low (but within specifications).
So do not change this setting.
Slide 178
This machine has a higher estimated ACV than the Dolphin, so the default
setting was changed from low duty mode to high duty mode.
It is thought that it will not be necessary to change this setting in the field for this
machine.
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Beluga-C1/C1.5 Training