You'll have to delete their jobs and reset the printer. Invalid Billing Codes You may be using an invalid printing code. It will take a bit of time to clear it out of the system. If nothing shows under Refresh , you don't have access to any of the departmental accounts, or to a budget number. Those invalid codes which have already been typed in will work for a while, but I will be going through and disabling them and informing the users.
Many problems are specific to the application trying to print.
Adobe PageMaker will often need some specialized file. Contact me to get the files. Shorten the title and try printing again. Some of these are covered in Printing to the Plotter page. Trying a different driver may solve the problem.