Steps that I took to retrieve my 4th Generation iPod photo
with a 1416 error.
1. Charge the iPod to half on the wall charger
2. Open Terminal. Type diskutil list
3. Try and find your iPod
4. Type fdisk -e /dev/youriPod
5. Press 'y' to intitialise the partition table
6. Type edit 1
7. Type ? to get a list of the format codes
8. Type the code for say 'Fat-32' windows or HFS 'Mac'. Hit return
9. Don't edit in CHS mode
10.Type 63. Hit return
11.Type the end sector of iPod memory. Hit return
12.Type flag 1 Hit return
13.Type update Hit return
14.Type write Hit return
15.Type quit Hit return
16.Type diskutil list (you should now see your iPod unmounted)
17.Type sudo diskutil mountDisk /dev/yourneweriPod (i.e. the bottom identifier)
18.Open Disk utility and format the iPod to the format you had chosen in step eight(8)
19.Run First Aid on the iPod (Mac) or chkdisk on the iPod (Windows) and clear any sector errors
20.Wipe the entire hard drive of any files or folders (Manually)
21.Restore the iPod