• Code: 4,023.66
• Display: 4,023.66 PC_PROG_FAULT(0x17)
• Description: Dangerous Process Motor Motion Detected. The PC task is about to send a command to the process motor to print, chase, move the eccentric cam or move the dm cam, while the PC task detects that the printer is in a dangerous position from such a move (damage could result).

• Code: 4,029.63
• Display: 4,029.63 PC_PROG_FAULT(0x1d)
• Description: Head Cal Task Spawn Failed. An attempt to spawn the head calibrate task failed. This may be due to a low memory condition.

• Code: 4,032.66
• Display: 4,032.66 PC_PROG_FAULT(0x20)
• Description: Undefined result in pc_process_result(). The PC task function pc_process_result() received an undefined inter-task communication (ITC) result message from one of the tasks it communicates with. This is typically caused by out-of-order messages due to fault condtions different than what the software expects.

• Code: 4,035.60
• Display: 4,035.60 PC_PROG_FAULT(0x23)
• Description: Bad Status Message in pc_process_status() The PC task received a inter-task communication (ITC) status message that it did not expect.

• Code: 4,040.65
• Display: 4,040.65 PC_PROG_FAULT(0x28)
• Description: Re-entrant call to halt detected. This error is generated in pc_syshalt_seq(), (the soft shutdown state sequencer) when a request during the enter state is made, while the printer is already in the halt state. I/O Right has been known to cause this fault code.

• Code: 4,046.62
• Display: 4,046.62 PC_PROG_FAULT(0x2e)
• Description: Dangerous Process Motor Detected. The PC task is about to send a command to the process motor task to move the print head into standby, home the print head or turn the process motor while the PC task detects that the printer is in a dangerous position (damage could result) from such a move. typically this happens when a soft shutdown request is issued when the x-axis is in a position where the print head would bind against the left side ot the frame, if the process motor were moved.

• Code: 4,051.67
• Display: 4,051.67 PC_PROG_FAULT(0x33)
• Description: Bad Command Result during Drum warm-up processing of a PostScript command message in pc_process_message() returned SERVICE_NEEDED during the drum warm-up period. This should never happen and is flagged by pc_warmup_seq() as an error.

• Code: 4,059.66
• Display: 4,059.66 PC_PROG_FAULT(0x3b)
• Description: Bad Command Result during Big Drop Flush Processing of a PostScript command message in pc_process_message() returned SERVICE_NEEDED during the big drop flush. This should never happen and is flagged by do_big_drop_flush() as an error.