Specifying quiet mechanical systems just got harder. You cannot rely on old spec sheets. When a client demands "maximum 1.5 sones for a master bath," you must ensure the product you select has been tested under the method. Using legacy data could lead to a callback when the homeowner complains about a noise level that is technically compliant but perceptually louder.
: Keep the printer operating in environments between 20% to 80% Relative Humidity (RH) to prevent the water-based thermal inkjet nozzles from drying out. sone 523 updated
The updated firmware offers three core operational modes engineered for beginner safety and flight experimentation: Specifying quiet mechanical systems just got harder