Answer: See the following.
Install your printer under the following environments.
(1) Avoid direct sunlight.
(2) Ambient temperature 20～30℃, Relative humidity 35～65%Rh (with no condensation)
(3) Avoid direct airflow form vents or air conditioners.
(4) The floor should be level.
(5) The floor should be free from vibration.
(6) Isolate the printer from fire use.
(7) Keep airborne contaminants office level (less than 0.15mg/㎥)
(8) No chemical products around. (It may cause print artifacts)