Sometimes there may occur the circumstance that the printing patterns can not dry completely.There are three reasons for this.
Life of UV lamp is span. UV lamp also have a certain life span, once close to or more than its life, the heat will be reduced rapidly, the printing patterns can not dry completely in a short time
Voltage instability. If it is on the peak period of power consumption, it is common to occur voltage problems, such frequent fluctuations is difficult for the printer to enter the normal state, therefore, users must install voltage regulators.
Initial start-up of the printer. The device has just started, UV lamp output power has not reached the maximum value, so it is best to cleaning of the nozzle at first, so that making all components into the working state before they start printing.