1. Can I use the empty tn 660 ink cartridge to add ink?
     A: The tn 660 ink cartridge is designed to allow the user to easily replace the ink. However the print head work lift is so long and it will not be run out when the ink is finished used. On the contrary, experimental tests show that as long as the ink quality is stable, the life of the tn 660 ink cartridges and print heads is still long. And the use of empty tn 660 ink cartridges filled with ink that can ensure the quality of the premise and save the cost also.
2. Original printer ink cartridges have not used yet, can we fill the Cyrus ink?
      A: Yes, because the Cyrus ink cartridge is rigorously tested, 100% compatible with the original tn 660 cartridge, so it can be filled before the original cartridge has been used. It is best to fill the ink when the original ink rest a little. it can keep the nozzle wet.
 3. Cyrus ink has so much model specifications, which model should I can use?
      A: The easiest way is to check your cartridge number, such as TN 660 cartridge, and then you can find the corresponding product in the quotation table model and price. 
4. Is it will influence the printer’s life and normal function when we fill the ink?     
  A: Inkjet is different from the traditional needle printer, because the ribbon is affect the life of the print head. In fact, one of the advantages of inkjet is that the print head can be printed without touching the paper. In other words, the ink is only sprayed on the paper, do not touch the machine, that means there is no chance to affect the printer. 
5. Inkjet printer has so many kinds of, is it possible to use the same filling ink?
      A: No. Because each inkjet printer design principles and structure are not the same, It is same like the piezoelectric and bubble-like working principle is different and ink working conditions are not the same, an ink used ink the world is not appropriate. So consumers must first confirm the purchase model and cartridge models before they purchase the filling ink to avoid adverse results.