The IBM System i Support team maintains a website that lists printer support information for a broad number of vendors.  CLICK HERE for the link to that IBM web page.  Here’s a quick video on how to use this resource —

This is directly from their site in July 2012:

Technote

This document contains links to several other documents. Each of these documents contain information on printers from one of various manufacturers, and provides information about the printer data streams supported by each printer, whether the printer is a Microsoft Windows Only printer, whether the printer will work with and how it will work with Personal Communications 5250 (PC5250), Host Print Transform (HPT), Remote Output Queues, *LAN 3812 PJL device descriptions, *LAN 3812 SNMP device descriptions, and *LAN 3812 IPP device descriptions.

Note: This document was formerly titled. “Support for Various ASCII Printers.”

This document was last updated on 12 January 2012.