LOCL or dedicated Printer for smart form Output?

Hi Expert,

I have Define two Printer in SPAD,

1) LOCL : is using SWIN as device TYPE

2) ZRIC: RICOH Device type.

Now, when i am testing smartform output on Printer then I can able to print on same Printer because LOCL & ZRIC is same Printer. 

What are pros & cons of using both Printer? I think, I may not able use LOCL for background job Printing .

Thanks a lot.