Here is what I can tell you. They are many options available for lp such as :

-onobanner
-otrayX
-olegal
-olandscape
-oc
-otmXX
-olpix
etc.

For ie., let's say you want to print using tray3 for special paper and remove the banner from the top.

lp -dprinter -onobanner -otray3

We use all HP printer and are able send request to the printer using -olegal option and don't have to tell what tray cause the printer knows where the legal paper is:

lp -dprinter -onobanner -olegal

We also use option -olpix for special sized paper so we are able to change number of line per inch. You can also look at -otmXX for margins.