The Mac Admin reader David noted that the preference file and key referenced in Setting A Default Paper Size no longer manages the default paper size setting in OS X v10.9 Mavericks.
The new file is
~/Library/Preferences/org.cups.PrintingPrefs.plist
This makes the new preference domain: org.cups.PrintingPrefs
The Key that governs the preference remains the same: DefaultPaperID
The values remain the same, repeated below for your convenience.
| Paper Size | String |
| US Legal | na-legal |
| US Letter | na-letter |
| A4 | iso-a4 |
| A5 | iso-a5 |
| JIS B5 | jis-b5 |
| B5 | iso-b5 |
| Envelope #10 | na-number-10-envelope |
| Envelope DL | iso-designated-long-envelope |
| Tabloid | tabloid |
| A3 | iso-a3 |
| Tabloid Oversize | arch-b |
| ROC 16K | roc16k |
| Envelope Choukei 3 | cho-3-envelope |
| Super B/A3 | arch-b-extra |
The Mac Admin 