Konica Minolta bizhub C35, Service Manual

Page: 299 / 330

DRAFT
17. IC protector Field Service V er. 1.0 Feb. 2010
260
17. IC protector
17.1 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.
17.2 IC protector list
17.2.1 Main body
A. Printer control board
*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.
ICP
No.
Symbol Target part name
When ICP trips
Symptom in each load Trouble code and others
F1 - SOS sensor No function 0310
- Laser diode
F2 CL1 Media feed clutch No function Misfeed at tray 3/tray 4 paper
feed section *1
CL2 Conveyance clutch
M1 Media feed motor
ICP1 FM10 DC power supply fan motor No function 0045 *1
FM11 Cooling fan motor
FM12 MFP board cooling fan motor
ICP2 CL1 Tray 2 media feed clutch No function 0094 *1
0096 *1
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 H V High voltage unit No function Process caution *1
ICP4 M5 Polygon motor No function 0300
ICP5 - On-board components No function Regardless of whether the
door is open or closed, Door
Open error is displayed.