Olivetti d-Color MF4003 Service Manual page 553

d-Color MF4003/MF3303
(b) IC with over current protective function
ICP No. Symbol
IC12 USBHB
IC13 -
IC69 IR CIS
IC70 IR CIS
DF CIS
IC73 WLANB
IC76 FAXB
IC77 -
IC79 -
IC1E USBHB
(2) DC power supply
(a) ICP
ICP No. Symbol
F101 -
FU101
F102 -
FU181
(3) High voltage unit
(a) ICP
ICP No. Symbol
F101 -
(4) DF control board
(a) ICP
ICP No. Symbol
ICP1 -
ICP2 -
ICP3 PS19
17.2.2 PF-P20/PF-P21
(1) PC control board
(a) ICP
ICP No. Symbol
F1 M1
Y119930-3
Target part name
USB hub board
Authentication unit
CIS module
CIS module
DF CIS module
Wireless LAN board
FAX board
Control panel
Vendor
USB hub board
Target part name
DC power supply circuit
Heater circuit
Target part name
• Charging and developing DC circuit
• Developing AC circuit
• Transfer circuit
Target part name
3.3 V regulator in the DF control board
5 V DC/DC converter in DF control
board
Document empty sensor
Target part name
Drive motor
L TROUBLESHOOTING > 17. IC PROTECTOR
When over current protective function works
Symptom in each load
No operation
Unable to detect authentication unit
"Cannot find the connection with authentication
unit. Turn OFF/ON the main power switch after
the connection is found." display
No operation
No operation
No operation
Extension network adapter installation error
FAX board error 5 (No fax board is installed.
Mistake in installation. Defective HW.)
Control panel power not turned ON
Unable to detect vendor
"Turn ON the power of the vendor" display
Unable to detect USB memory
Symptom in each load
No operation
The heater does not light up
Symptom in each load
Faulty image
Symptom in each load
No operation
No operation
No operation
Symptom in each load
Tray 2 drive motor malfunction
L-155
Trouble code and
others
CD262
CB005
When ICP trips
Trouble code and
others
C3425
C3825
C3826
C3922
C3925
C3926
C392B
When ICP trips
Trouble code and
others
When ICP trips
Trouble code and
others
When ICP trips
Trouble code and
others
C0103
Service Manual
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