Konica Minolta bizhub C658 Service Manual page 1532

bizhub C658/C558/C458/C368/C308/C258
4.10 E4-1, E4-2, E4-3, E4-4
NOTE
▪ When executing the Self-diag. (Full) after the trouble code (CE301, CE304) is displayed, the self diagnosis may not complete. In
that case, finish the Self-diag. (Full) forcibly, and perform the troubleshooting against the trouble code.
▪ Turning OFF the main power switch will finish the Self-diag. (Full) forcibly.
▪ "E4-2" will also be displayed if no DIMM is mounted. If an additional DIMM is not used, no error occurs even if "E4-2" is displayed
with the self diagnosis function, and no troubleshooting is required.
Description
Error code E4-1, E4-2, E4-3, E4-4
Target device System/image memory
Diagnosis item E4-1
E4-2
E4-3
E4-4
Reason of error Engagement failure
Mounting failure
DRAM failure
Relevant parts E4-1
E4-2
E4-3
E4-4
Corrective action procedure
1. Turn OFF the main power switch, disconnect power cord from the outlet.
2. Correct the mounting of the DIMM if faulty.
3. Correct the mounting of the DS image processing board (DSIPB) or the connection of connectors if faulty.
4. Correct the mounting of the Fiery IF board or the connection of connectors if faulty.
5. Correct the mounting of the MFP board or the connection of connectors if faulty.
6. Replace the DIMM.
7. Replace the DS image processing board (DSIPB).
8. Replace the Fiery IF board.
9. Replace the MFP board.
4.11 E5-1, E5-2, E5-3
Description
Error code E5-1, E5-2, E5-3
Target device Various USB devices
Diagnosis item E5-1
E5-2
E5-3
Reason of error Connection failure
Parts defect
Relevant parts MFP board (MFPB)
Corrective action procedure
1. Turn OFF the main power switch, disconnect power cord from the outlet.
2. Correct the mounting of the MFP board or the connection of connectors if faulty.
3. Replace the MFP board.
4.12 E5-4
Description
Error code E5-4
Target device Various USB devices
Diagnosis item HUB chip (USB board on-board)
Reason of error Connection failure
Parts defect
WORK0
FILE0
FILE1
WORK1
FILE2
FILE3
FILE4
FILE5
MFP board (MFPB)
DIMM(DIMM)
MFP board (MFPB)
DS image processing board (DSIPB)
Fiery IF board
MFP board (MFPB)
DS image processing board (DSIPB)
MFP board (MFPB)
USB3.0Host #0
USB3.0Host #1
USB2.0Host
HUB chip (MFP board on-board)
RAID controller
K-204
K TROUBLESHOOTING > 4. Troubleshooting using Self-diag. (Full)