I guess it must be too old so TVS decided to not support it any longer.
http://www.tvse.com/may12-05_dwnLists.asp?key=1
Try this:
This Is The Driver Installation Procedure For TVSE MSP-145 Printer in Windows XP. Simple Procedure to install MSP145 Driver in Windows Xp. No disk required.
Press Start -> Printer and Faxes -> Add Printer -> Click Next-> again Click Next -> again Click Next -> Select Printer Port Click Next -> Select manufacturer as Citizen, at right side of column select printer model as Citizen180D for TVSE MSP-145 model printer.Click Next -> Now print test page.