03/02 How to use the Diagnostic C/E Mode
WorkCentre Pro 423/428 2-169 CHAPTER 2 TROUBLESHOOTING
2.4.9.8 Fault History/Counter
Chain Function Item Min. value Default Max. value Amount of
change
Adjustment Remarks
40 1 Fail History
Stores the latest 10 error codes and the total
count at error occurrence.
40 2 Jam History (DC-SYS/Output) Stores the latest 10 error codes and the total
count at error occurrence.
40 3 Jam History (Input) Stores the latest 10 error codes and the total
count at error occurrence.
40 10 U1:MAIN MOTOR Failure/FAN Failure 0 0 255 Stores the U1 count.
40 11 U2: Carriage Failure 0 0 255 Stores the U2 count.
40 12 U3:ROS Failure 0 0 255 Stores the U3 count.
40 13 U4:FUSER Failure 0 0 255 Stores the U4 count.
40 14 U6: DC SYS/PANEL memory error at M/C startup 0 0 255 Stores the U6 count.
40 15 U7:Communication Fail between Systems 0 0 255 Stores the U7 count.
40 16 U8:LAMP/CCD Sensor Failure 0 0 255 Stores the U8 count.
40 20 H5:FINISHER Failure 0 0 255 Stores the H5 count.
40 21 H6:DADF Failure 0 0 255 Stores the H6 count.
40 22 H8:SWITCH Failure 0 0 255 Stores the H8 count.
40 23 N7:ESS I/F Failure 0 0 255 Stores the N7 count.
40 24 UE:EPSV Failure 0 0 255 Stores the UE count.
40 25 H7:Interface error between Switcher and IIT 0 0 255 Stores theH7 count.
40 26 HD:HD Failure 0 0 255 Stores theHD count.
40 27 U9:Switcher Failure 0 0 255 Stores the U9 count.
40 50 E1:Jam at REGI SENSOR 0 0 255 Stores the E1 count.
40 51 E3:Jam at FUSER 0 0 255 Stores the E3 count.
40 53 E8:Jam at DUPLEX 0 0 255 Stores the E8 count.
40 54 C1:Tray1 Misfeed 0 0 255 Stores the C1 count.
40 55 C2:Tray2 Misfeed 0 0 255 Stores the C2 count.
40 56 C3:Tray3 Misfeed 0 0 255 Stores the C3 count.
40 57 C4:Tray4 Misfeed 0 0 255 Stores the C4 count.
40 59 C6:DUPLEX Misfeed 0 0 255 Stores the C6 count.
40 61 C9:MSI Misfeed 0 0 255 Stores the C9 count.
40 62 A1: Document jam (Lead-in section) 0 0 255 Stores the A1 count. (excluding A1-2)
40 63 A2: Document jam (REGISENSOR section) 0 0 255 Stores the A2 count. (excluding A2-2)
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