c454 not accepting new jobs

[jakani]

hi all
it's a konica minolta c454 after a few printed jobs it seems thats it's not accepting new jobs untel i reboot the machine , and i noticed that the previos printed jobs still active on job list even after successful print !
any ideas

[blackcat4866]

Just out of curiosity ... are you using Account Tracking with Password Only? =^..^=