L TROUBLESHOOTING > 4. TROUBLESHOOTING USING SELF-DIAG. (FULL)
L-83
d-Color MF4003/MF3303
4.26 E12-3 Contents
Error code E12-3
Target device PCIe
Diagnosis item E12-3 PCIe device check NVMeSSD
Reason of error PCIe device error
Relevant electrical parts E12-3 Storage board (STRGB)
CPU board (CPUB)
Corrective action procedure
1. Turn OFF the main power switch and unplug the power cord. Connect the power cord after 15 sec. or more, and turn ON the main power
switch.
2. Correct the mounting of STRGB if faulty.
3. Correct the mounting of CPUB if faulty.
4. Replace STRGB.
5. Replace CPUB.
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