Code :

Code: 2,002.61
Display: 2,002.61: SY_PROG_FAULT(2)
Description: Queue Initialization failure during execution of sy_app_init() (early initialization code), the engine firmware was unable to initialize the queues used for inter-task communication. This indicates a failure in the call to function sy_creat_queues().

Code: 2,003.62
Display: 2,003.62: SY_PROG_FAULT(3)
Description: Can’t start service diagnostic tasks, (while booting into diagnostic mode) during execution of sy_app_init() (early initialization code), the engine firmware was unable to start the service diagnostics task.

Code: 22,024.01
Display: 22,024.01
Description: The indicates that the printhead was not parked when powered off In the 840/850 this error code may be reported in conjuction with other faults that cause the printer to reset. This code is not related to media jams.

Code: 4,003.42
Display: 4,003.42: PC_DEV_FAULT_HEAD_ ONES
Description: Printhead NVRAM data was all 1s: has this printhead been through normalization? If so, check the wiring to the printhead.

Code: 4,004.43
Display: 4,004.43: PC_DEV_FAULT_HEAD_ CHECKSUM
Description: Printhead NVRAM checksum failure: the data within the printhead NVRAM has been corrupted. Check the hardware and wiring. The printhead may need to be renormalized (a manufacturing function).

Code: 4,006.67
Display: 4,006.67: PC_PROG_FAULT(0x06)
Description: This indicates that an undefined message was found by the processor. This may be caused by ESD. Check grounding and media issues.

Code: 4,013.43
Display: 4,013.43 PC_DEV_FAULT_GEAR_ GRIND
Description: The printhead is unable to move on its tilt axis. The head is unable to move on its tilt axis, because it is colliding with something (head restraint pin, cap, poorly installed ink loader, screwdriver.) Prior to declaring this fault, the engine has attempted to move the process motor through enough revolutions to disengage the head tilt mechanism, but the motor stalled. The X-axis was then displaced to the right 3.8 mm (0.15 in.) and the disengage was repeated, but the motor stalled again. This fault is then declared.