1, the initial position of the wheel and the installation of the nose will be installed before the printer head is installed on the rack, first rotating the wheel of the nose to the initial position: that is, the two gaps on the wheel rubber wheel are in a vertical position, and the wheel is locked. The print head is mounted on the rack through a connecting block. At this time, the lower gap on the wheel rubber wheel should be facing the rubber wheel, but it is not in contact with it.

2, the installation of a bracket to code the machine frame should be installed in a place that does not affect the packaging machine and facilitates printer operation; The frame should be strong enough after installation, and ensure that the cots and the packaging machine guide roll, otherwise will affect the stability of the packaging film. After the rack is installed, the packaging film should be easily bypassed between the type wheel and the cots of the typing machine, and a certain angle of envelope is formed on the cots.

3, close to the switch(or photoelectric switch) installed the typing machine's printing signal is generated by the proximity switch(or photoelectric switch). When using the proximity switch, the sensor plate is generally installed on the Packer's horizontal cover shaft or other shaft synchronized with the blade shaft., For each turn of the knife shaft, close to the switch can produce a print signal, driving the printer to complete the print. Induction film should be metal sheet, width about 15mm. If the photoelectric switch is used, the photooptical sensor is used to sense the color mark on the packaging film to generate the print signal.

4, by the Packer to provide print signal by the Packer to obtain print signal, can be controlled by the color Mark photoelectric eye or synchronization with the knife shaft relay pair of constant contact