T2000 Handheld Printer Handheld Printer for metal manufacturer light Handheld Printer Solution of common problem 1.What to do if the printer cannot print? 1) Please confirm whether the printer display data. 2) Please check the printer rubber is loose or fall off. 3) Please check whether the ink cartridge have ink 2. How to deal with illegible or missing pins (with transverse stripes interrupted)? 1) Please click the Clean NOZZ first. 2) Then adjust the ink cartridge to flow out the ink and drain bubble. 3) Use a detergent t to clean the head of ink cartridge and clean the debris together. 4) Please contact the manufacturer if it still cannot solve the problem. 3.How to do when the nozzle has been leaking fluid? There will be some leakage while using the ink cartridge. Because it will ensure that the ink cartridge can be used. For long periods of stop, please seal the cartridge with its special cap. Please be careful not to damage the nozzle. If the nozzle leakage serious, please take to supplier for maintenance. 4.What is the difference between water-based ink and solvent ink? Water-based ink is made of Chinese ink. Support materials include non-coated (matte) cartons, fabrics and other absorbent material. Solvent ink is made of imported fast-drying ink. Support material includes food, drink, cosmetics, household products,  plastics, glass, metal, pipe, stone, wood board, MDF, aluminum foil, cable, leather, white paper carton and other materials. *NOTE: Water based ink cartridge and solvent ink cartridge are not common. Only supports corresponding hand held printer. 5. Whats the capacity of ink cartridge?  How long can I use it? Ink cartridge is 42ml. Only provide black color ink at present. (replace the entire cartridge if the inks run out)  A cartridge can print more than 300,000 characters. Service life depends on the actual use. Some people can use several months, but some people can use more than one year. Our cartridge is extremely durable with high definition. Using the relevant protective cover for ink cartridge, it will be effectively prevent clogging and extend the life.