Olivetti d-Color MF4003 Service Manual page 478

d-Color MF4003/MF3303
2. Correct the mounting of BASEB or the connection of connectors if faulty.
3. Replace BASEB.
4.16 E5-4
Contents
Error code E5-4
Target device Various USB devices
Diagnosis item USB device HUB chip (USB hub board)
Reason of error Connection failure
Parts defect
Relevant electrical parts USB hub board (USBHB)
Base board (BASEB)
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 USBHB or the connection of connectors if faulty.
3. Correct the mounting of BASEB or the connection of connectors if faulty.
4. Replace USBHB.
5. Replace BASEB.
4.17 E5-5
Contents
Error code E5-5
Target device Various USB devices
Diagnosis item DAC-IC
Reason of error Connection failure
Parts defect
Relevant electrical parts USB hub board (USBHB)
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 USBHB or the connection of connectors if faulty.
3. Replace USBHB.
4.18 E5-7
Contents
Error code E5-7
Target device Various USB devices
Diagnosis item E5-7
Reason of error Connection failure
Parts defect
Relevant electrical parts FAX board (FAXB)
Base board (BASEB)
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 the FAX board or the connection of connectors if faulty.
3. Correct the mounting of BASEB or the connection of connectors if faulty.
4. Replace the FAX board.
5. Replace BASEB.
4.19 E5-11
Contents
Error code E5-11
Target device Various USB devices
Diagnosis item Upgrade kit (UK-221)
Reason of error Connection failure
Parts defect
Relevant electrical parts Wireless LAN board (WLANB)
Base board (BASEB)
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.
Service Manual
L TROUBLESHOOTING > 4. TROUBLESHOOTING USING SELF-DIAG. (FULL)
FAX board (line 1)
L-80
Y119930-3