This code typically appears on multifunction printers (e.g., bizhub 224e, 284e, 364e, 308, 368, 458, 558, C224e, C284e, C364e, C454e, C554e, and newer "i-Series" models). What is Code 99-03? 99-03 is a firmware/boot-up error . Specifically, it indicates a communication timeout between the main controller board (MFP board) and the scanner control board (also called the CCD board or imaging unit) during startup.