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CHAPTER 5 SELF DIAGNOSIS
The microprocessor on the copier's DC controller is equipped with a function that
checks the condition of the copier (particularly, its sensors). The microprocessor runs a
check at such times as programmed and indicates an error code or executes error auto
power-off or error shut-off upon detection of an error.
A. Copier
Code
•Thermistor (TH1; off contact,
poor contact, open circuit)
•Heater (H1, H2; open circuit)
•Thermal switch (TS1; open
E000
circuit)
•SSR (faulty)
•DC controller PCB (faulty)
•Thermistor (TH1; short
circuit)
•SSR (faulty)
E001
•DC controller PCB (faulty)
•Thermistor (TH1; poor
contact, open circuit)
•Heater (H1, H2; open circuit)
•Thermal switch (TS1; open
circuit)
•SSR (faulty)
•DC controller PCB (faulty)
E002
Cause
The temperature of the upper fixing
assembly does not reach 40°C within 27
sec after power-on.
(Notes 1, 2)
When an error associated with 'E000' is
detected, the copier turns off the power
switch in 2 sec and then turns off all
power supplies.
The temperature of the upper fixing
assembly exceeds 220°C.
(Notes 1, 2)
When an error associated with 'E001' is
detected, the copier turns off the power
switch in 2 sec and then turns off all
power supplies.
•The temperature does not reach 75°C
within 35 sec after reaching 40°C.
•The temperature does not reach 100°C
within 25 sec after reaching 75°C.
•The temperature does not reach 120°C
within 20 sec after reaching 100°C.
•The temperature does not reach 140°C
within 20 sec after reaching 120°C.
•The temperature does not reach 160°C
within 20 sec after reaching 140°C.
•The temperature does not reach 170°C
within 15 sec after reaching 160°C.
•The temperature does not reach 180°C
within 15 sec after reaching 170°C.
•The temperature does not reach 185°C
within 7 sec after reaching 180°C.
•The temperature does not reach 190°C
within 7 sec after reaching 185°C.
(Notes 1, 2)
When an error associated with 'E002' is
detected, the copier turns off the power
switch in 2 sec and then turns off all
power supplies.
CHAPTER 5 SELF DIAGNOSIS
Description
5
5-1
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