There are 2 parameters for doing IPDS printer simulation:
CHANNEL_TYPE=SIMULATOR (Page 21 of the IPCLN_VDD2IPDS.pdf guide)
SIM_PRINTERTYPE=xxxx (the printer you want to emulate. (Page 44)
In 2.4, there is a IPDS-OUT-SIM client that is shipped with the product. Here is what its .cfg looks like:
CLIENTTYPE=IPDS
SIM_PRINTERTYPE=4100
CHANNELTYPE=SIMULATOR
CHANNELADDRESS0=X00
FONTMETRICS=RELATIVE
IPDSCHECKPOINT=1
PAGENOTIFYFREQUENCY=20
PAGERESOLUTION=AUTO
RESOLUTION=AUTO
VDDDELETECHECKPOINT=5000
UPDATED: April 12, 2017