Had the same problem for a 4505ci.
Solved with this help : http://abaqueiro.blogspot.fr/2011/07/set-up-kyocera-mita-1820-in-ubuntu-1004.html
Job accounting are abled in default PDD driver file but only 0~30 account ID are in the list.
You have to modify the PDD file used by your printer. For me it was like this :
Replace :
*KmManagment Default/Inactif: ""
*KmManagment MG00000000/00000000: "(00000000) statusdict /setmanagementnumber get exec"
*KmManagment MG00000001/00000001: "(00000001) statusdict /setmanagementnumber get exec"
*KmManagment MG00000002/00000002: "(00000002) statusdict /setmanagementnumber get exec"
*KmManagment MG00000003/00000003: "(00000003) statusdict /setmanagementnumber get exec"
*KmManagment MG00000004/00000004: "(00000004) statusdict /setmanagementnumber get exec"
*KmManagment MG00000005/00000005: "(00000005) statusdict /setmanagementnumber get exec"
....
*?KmManagment: ""
By :
*KmManagment MG00000000/00000000: "(00000000) statusdict /setmanagementnumber get exec"
*KmManagment 4835/4835: "(4835) statusdict /setmanagementnumber get exec"
*?KmManagment: ""
I don't know exactly wich part is informative and wich one is important so I just replaced any number by my account.
For example, this didn't work for me :
MG00004835/00004835: "(00004835)
But this worked perfectly :
*KmManagment 4835/4835: "(4835) statusdict /setmanagementnumber get exec"
I think a replacement with a text box option, instead of a select list, would be a most interesting solution...