Custom Audio Electronics PP54 EVO, User Manual

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4.2 Kiosk ventilation system
In order to prevent dust and dirt from entering through the mouth into the printer paper, it is necessary that the kiosk ventila-
tion system is equipped with two suction fans dimensioned so as to comply with the following equation:
inwards air capacity > outwards air capacity
Moreover, the kiosk must be properly insulated from the soil in order to avoid dust and dirty getting inside the case.
air capacity
IN
air capacity
OUT
PP54
bezel
insulation
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