FCP output to DV, XD and SP decks via AJA IoLA and K-Box &firewire switcher

I believe you want to go to File>Edit to Tape. If your computer tells you to check your Device Control Setup go to Final Cut Pro>Audio Video Settings>Device Control Presets.
~Luke

G5, Dual 2.7 GHz, 4.5 Gigs RAM Mac OS X (10.4.6) FCP 5

I'm guessing that "Print to Video" in theory "should" do the same thing. For that make sure that View>External Video>All Frames is checked. In Audio/Video Settings under A/V Devices there is a way to set the "Different Output for Edit to Tape/Print to Video", so try that if you still get nothing.
~Luke

you'll have to stripe a tape with timecode and black to "edit" to. for the non firewire devices use 422 serial and connect the appropriate cable to the 9pin dsub connectors on the deck in question.make sure it's a 422 cable and not some serial computer cable. 422 is balanced xmit and receive with specific pinouts. The deck also needs to be capable of "editing" which should be indicated in the relevant manual. some decks are capable of recording but not editing. most studio decks allow you to set a start timecode "preset" after you've laid down code switch gen function to "regen" internal and record run. If you do an "insert edit" the tape needs to be striped about a minute past the end of your program. most stripe the entire tape. If you do an "assemble edit" just stripe enough to get your preroll together and 30 seconds or so past your inpoint.

sorry got interupted. if your decks won't edit print to video will get the stuff on tape but luck will be the key getting program to start at exactly 01:00:00:00 hour code.
make sure you render the entire sequence befor print to video so you ar outputting the best possible quality for the given format