Print Settings on older HP Laserjets

Today I needed to change the print density setting on an old HP Laserjet 2200.. I thought it should be an easy job, but it wasn’t..

From Mac OS X there is no GUI way to do this. No way of doing it from a browser either.

Ended up using telnet to send a PJL command to the printer via port 9100.

I used: telnet printer_ip 9100

then pressed esc, and entered: %-12345X@PJL DEFAULT DENSITY=5

I found this command here: