Script error

Sir,

i am new to printer scripts.My seniour admin configured login scripts for two printers.now i am handiling this setup.I never edit the script files but suddenly i am getting this error
script:\\rj9server1\pfi\scripts\hp7100.vbs
line:3
char:1
error:the printer name is invalid
code:800707709
source:null

i am getting for this two printers when users login.

but i never change any thing in scripts , i installed this printers on server with i offten connect this server through remote desktop and disconnect some times with out logoff also.Is this cause for this problem.

pls help me