Introduction; Electrical Components Check Procedure; Sensor - Konica Minolta PF-124 Service Manual

1.

Introduction

• Information required for troubleshooting and steps that must be performed are described
in this chapter.
1-1.

Electrical Components Check Procedure

• If a paper misfeed or malfunction occurs, perform the following operation to check the
condition of the electrical components.
(1)

Sensor

Step
Does the input signal of the control board change
1
when the sensor light is interrupted? (H → L, L → H)
DC5V
Check
4025T520AA
4025T521AA
T-1
Result Action
Replace the sen-
NO
sor.
Replace the con-
YES
trol board.