1. Cleaning the outside of the printer and the paper bin: Please gently wipe the surface of the printer and the inside of the paper bin with a wrung wet cloth. Note that the wet cloth must be wrung out completely.
2. Cleaning of the printing movement: please be sure to clean the printing movement regularly, especially when the printing quality decreases. The cleaning method is as follows: gently wipe the printing head part of the movement with the absorbent cotton dipped in absolute alcohol.
The label roll is installed upside down, and the label print side must be installed downward.
Wipe the printer with the alcohol cotton to print the pottery, touch the printed pottery with your hand, and then try to print.
Check whether the paper fixed baffles on the left and right sides are placed in the appropriate position. Generally, the gap of the paper roll in the baffles on both sides is about 1mm, which is more appropriate, so as to ensure that the paper can be straight out of the paper and not jam.
Wipe the printer with alcohol cotton, especially the black print line, to ensure that there is no stain on the print head; Adjust the printing speed and concentration, slow down the printing speed, deepen the concentration, and then print a try. The printing concentration of white thermal label is generally set to 5-7, and the printing concentration of color thermal label is generally set to 6-9. The printing concentration depends on different thermal paper. Only appropriate concentration can have perfect printing effect.
Check whether the paper is installed on the right side of the printer. Pull out the paper until the sensor can detect it. Make sure that the cover of the paper bin is closed between the upper and lower sensors.
Check whether the paper bin cover is pressed on the left and right, the general paper bin cover can be pressed on the right and left.