how to paint the mpc2000 and maintain the words ??

hi , is Kwokkin. my question is : i bought a secondhand mpc2000 but it's look too old. how to renew it and maintain the words ?

Go here:

http://www.forat.com/service/

no money, just want to do it myself......but don't know how ....
anyone know ??

Transfer lettering - get it in art and graphic design shops for around £10 a pack. The MPC uses Helvetica font. Pros use screen printing, but that costs $$$ to set up.

thx for answer !