Specifications

C05
∗∗
(Fusing Unit malfunctions)
∗
Code Description Detection Timing
C0520 Abnormally high fusing
temperature (Upper
Fusing Heater Lamp
turning ON at abnormal
timing)
The surface temperature of the Upper Fusing Roller
remains 210°C or more for a continuous 5-second period
after the copier has warmed up.
C0521 Abnormally high fusing
temperature (Lower
Fusing Heater Lamp
turning ON at abnormal
timing)
The surface temperature of the Lower Fusing Roller
remains 220°C or more for a continuous 5-second period
after the copier has warmed up.
C0522 Upper Fusing Roller
Thermistor TH1
malfunction
The voltage from TH1 remains 0.16V or less for a
continuous 1-second period after the copier has warmed
up.
C0523 Lower Fusing Roller
Thermistor TH2
malfunction
The voltage from TH2 remains 0.16V or less for a
continuous 1-second period after the copier has warmed
up.
C0540 Fusing Roller Thermistor
loading malfunction
The Connector Setting signal remains HIGH for a
continuous 4-second period.
C06
∗∗
(Optical Section malfunctions)
∗
Code Description Detection Timing
C0600 Scanner Motor M11
malfunction
With no encoder pulses input to the SCP Board PWB-J
for 100 to 130 msec. while M11 is turning, the
Forward/Backward Rotation signal from PWB-J does not
go from LOW to HIGH, or vice versa, when an attempt is
made to turn M11 backward.
M11
H
L
H
L
1075T140CA
ON
OFF
Encoder Pulse
100~130 msec
Forward rotation
Signal
Backward rotation
Signal
T-45