How do I set up the system to print 4x6 labels via paypal and ebay using a DYMO 4XL Thermal Label Printer (through airport)?

We bought a DYMO Label Writer 4XL. We want to print thermal labels from our Mac and PC, wireless. The good thing is that I already have the printer set in the network and added on each of our computers (Mac and Windows 8). For printing regular labels you can use the Dymo software; for printing postage labels from ebay or paypal has been impossible.

From ebay I even tried one label at the time but still did not work. I sent the the print command from the mac-print-window, changing each of the settings (such as paper size) but did not work. Each time (no matter if you want to print one label only) it advances more than one lable.

http://community.ebay.com/t5/Miscellaneous/Using-a-thermal-printer-for-eBay-labe ls-using-a-Mac/qaq-p/3135261 (post by stormshock)

Through Paypal is a different story. It should be easy cause it seems the Zebra Driver in Paypal works with this DYMO. The issue is how to get the system to send the print command to the DYMO printer through the Zebra LP2488? please help! I know some people have succeded making all these work. What am I missing?

http://www.amazon.com/review/R3E73A6ZX39ZZQ/ref=cm_cr_pr_cmt?ie=UTF8&ASIN=B002M1 LGJ4&linkCode=&nodeID=&tag=#wasThisHelpful