HP Jet Fusion 340 Product Documentation Site Preparation Manual page 15

HP Jet Fusion Muffler accessory (5RD52A)
The muffler accessory is recommended for installations in which the printer exhaust is vented into the room.
Diverts hot air exhaust away from operators and adjacent surfaces
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Easy connection and disconnection with a simple hose clamp (included)
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Aesthetically pleasing all-black finish
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Reduces noise at the front (operating position) by 2 dB and by 5 dB at the back (near lamp exhaust duct)
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Muffler specifications
Dimensions: 510 mm × 186 mm × 127 mm (20.1 in × 7.3 in × 5 in)
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Weight: 1.24 kg (2.73 lb)
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Ventilation
Adequate ventilation needs to be provided to ensure that potential airborne exposure to materials and agents is
adequately controlled according to their Safety Data Sheets. Consult the Safety Data Sheets available at
http://www.hp.com/go/msds
You should provide a minimum of 6 ACH (air changes per hour) of fresh air ventilation and a minimum room
volume of 35 m³ (1236 ft³); or a minimum of 3 ACH plus an exhaust hood providing 4.25 m³/min (150 ft³/min)
over each installed unit. See
Take into account that personal protective equipment should be selected specifically for the workplace,
depending on the concentration and quantity of hazardous substances. Technical measures and appropriate
working operations should be given priority over the use of personal protective equipment, in accordance with
local regulations.
NOTE: The ventilation units should not blow air directly onto the equipment.
ENWW
to identify chemical ingredients of your consumables (material and agents).
Ducts and HVAC recommendation on page 48.
Environmental specifications and considerations 11