d-Color MF4003/MF3303
4.26 E12-3
Contents
Error code
E12-3
Target device
PCIe
Diagnosis item
E12-3
Reason of error
PCIe device error
Relevant electrical parts
E12-3
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.
Y119930-3
L TROUBLESHOOTING > 4. TROUBLESHOOTING USING SELF-DIAG. (FULL)
PCIe device check NVMeSSD
Storage board (STRGB)
CPU board (CPUB)
L-83
Service Manual