a facsimile machine performs a printing operation in an optimum environment by detecting the environment of the facsimile machine when it receives a facsimile signal from a remote device . a control circuit assembly of the facsimile machine includes a scanner unit , a printing unit and a transmission and reception unit . all of them are operated by commands from a main controller . a memory that accumulates image information is associated with the main controller . if the image information is input into the transmission and reception unit , a fan and a heater are operated in accordance with control information stored in a table prepared in the memory until attainment of the operation - assured environment . after that , the printing unit prints the information on sheets of paper . by pressing a button , the printing is forcibly output at whatever time .