Here is what it looks like with the proper amount of EndIf's and indented code...

Code:

if ingroup("18EastPrint")
If ADDPRINTERCONNECTION ("\\print01\18_East") = 0
? "Added printer connection...."
endif
If ADDPRINTERCONNECTION ("\\print01\18E_Copier") = 0
? "Added printer connection...."
endif
If SetDefaultPrinter ("\\print01\18_East") = 0
? "Set default printer to 18_East...."
endif
endif

if ingroup ("18NortheastPrint")
If ADDPRINTERCONNECTION ("\\print01\18_Northeast") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18E_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\18_Northeast") = 0
? "Set default printer to 18_Northeast...."
Endif
Endif

if ingroup ("18SoutheastPrint")
If ADDPRINTERCONNECTION ("\\print01\18_Southeast") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18E_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\18_Southeast") = 0
? "Set default printer to 18_Southeast...."
Endif
Endif

if ingroup ("18SouthwestPrint")
If ADDPRINTERCONNECTION ("\\print01\18_Southwest") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18W_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\18_Southwest") = 0
? "Set default printer to 18_Southwest...."
Endif
Endif

if ingroup ("18WestPrint")
If ADDPRINTERCONNECTION ("\\print01\18_West") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18W_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\18_West") = 0
? "Set default printer to 18_West...."
Endif
Endif

if ingroup ("Immigration4100Print")
If ADDPRINTERCONNECTION ("\\print01\Immigration4100") = 0
? "Added printer connection...."
EndIF
If ADDPRINTERCONNECTION ("\\print01\18W_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\Immigration4100") = 0
? "Set default printer to Immigration4200...."
Endif
Endif

if ingroup ("Immigration4200Print")
If ADDPRINTERCONNECTION ("\\print01\Immigration4200") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18W_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\Immigration4200") = 0
? "Set default printer to Immigration4200...."
Endif
Endif

if ingroup ("RecordsPrint")
If ADDPRINTERCONNECTION ("\\print01\Records4000") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18E_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\Records4000") = 0
? "Set default printer to 18_Records4000...."
Endif
Endif

if ingroup ("SASPrint")
If ADDPRINTERCONNECTION ("\\print01\SAS4100") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18E_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\SAS4100") = 0
? "Set default printer to SAS4100...."
Endif
Endif

if ingroup ("GSPrint")
If ADDPRINTERCONNECTION ("\\print01\GSCopier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\GSCopier") = 0
? "Set default printer to GSCopier...."
Endif
Endif

if ingroup ("HRPrint")
If ADDPRINTERCONNECTION ("\\print01\HumanResources") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18W_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\HumanResources") = 0
? "Set default printer to HumanResources...."
Endif
Endif

if ingroup ("TrustPrint")
If ADDPRINTERCONNECTION ("\\print01\18West_Trust") = 0
? "Added printer connection...."
EndIf
If ADDPRINTERCONNECTION ("\\print01\18W_Copier") = 0
? "Added printer connection...."
EndIf
If SetDefaultPrinter ("\\print01\18West_Trust") = 0
? "Set default printer to 18West_Trust...."
Endif
Endif