Relative movement speed adjusting method for use during printing process, involves increasing nominal speed when heat energies are not released in short time interval, and starting printing process by using final value of nominal speed

摘要

The method involves determining an initial value and a final value of a nominal speed of a printing device. Heat energies are calculated for individual heating element of print heads depending on the initial value of the nominal speed, where the heat energies produce a print image. The nominal speed is decreased if the heat energies are not released in a time interval. The nominal speed is increased when the heat energies are not released in a short time interval. A printing process is started by using the final value of the nominal speed.