Ic Protector; Outline; Ic Protector List; Main Body - Konica Minolta bizhub C25 Service Manual

Field Service Ver. 1.1 May 2011

23. IC protector

23.1 Outline

• To increase product safety, this MFP has an IC protector (ICP) installed in each board.
ICP is a component that protects IC. If the amount of the current supplied to the electrical
parts such as motor exceeds the set level, ICP trips to protect IC from over current.
The following list contains ICP installed in each board, related devices, and symptoms
that occur when ICP trips.

23.2 IC protector list

23.2.1

Main body

A. Printer control board
ICP
Symbol
No.
F1 - SOS sensor
- Laser diode
F2 CL1 Media feed clutch
CL2 Conveyance clutch
M1 Media feed motor
ICP1 FM10 DC power supply fan motor
FM11 Cooling fan motor
ICP2 CL1 Tray 2 media feed clutch
CL2 Tray 1 media feed clutch
CL3 Registration clutch
CL4 Toner supply clutch/Y
CL5 Toner supply clutch/M
CL6 Toner supply clutch/C
CL7 Toner supply clutch/K
CL8 Loop detection clutch
CL11 Switchback roller feed clutch
CL12 Switchback roller reverse
clutch
CL13 Duplex conveyance roller
clutch
SD1 1st transfer release solenoid
SD2 2nd transfer release solenoid
TCT Total counter
ICP3 HV High voltage unit
ICP4 M5 Polygon motor
ICP5 - On-board components
*1: This is an error that occurs when the power switch is turned ON. If the IC protector trips
after the power switch is turned ON, another error may occur.
Target part name
No function
No function
No function
No function
No function
No function
No function
When ICP trips
Symptom in each load
Regardless of whether the
door is open or closed, Door
23. IC protector
Trouble code and others
0310
Misfeed at tray 3 *1
0045 *1
0094 *1
0096 *1
Process caution *1
0300
Open error is displayed.
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