Problem
Our Itherm 280 printer is working fine in RecTrac with a com port or a Windows share. But the receipts are not cutting, and the dumb drawer is not popping.
Solution
Try the codes below in the appropriate fields on your Peripherals Device.
Drawer #1 = 27,120,1
Rcpt Auto-Cut = 27,118
Source: http://www.keyhut.com/popopen.htm