No.
Definition
Symptom Possible Cause
389 D
T sensor error warning
Detected the following value
T sensor output value < 0.2V
T sensor output value > 4.0V
10 times in series.
• Defective the T sensor
•
Bad contact of the connector to the T
sensor
390 B
T sensor error
After SC389 detection and executing
SP2-992-001, This SC is displayed.
In process flow, This SC occurs when
two times of T sensor output value error
are detected consecutively.
• Defective T sensor
•
Loose connection part
391 B
Development bias error
The maximum rate of PWM duty (50%)
occurs 10 times in series (20msec x 10)
This error doesn’t happen when the front
door (the inter lock) opens.
• Defective the MD
•
Defective harness connected to the
HVP
392 B
Developer initialization error
The P sensor does not detect a correct
pattern during developer initialization
(SP2-801-001).
When Vsp output is more than 2.5V, SC
appears in the case of not removing the
heat seal or an absence of developer.
• Defective P sensor
•
Defective T sensor
• NOT removing heat-seal
• Defective drum operation
• Defective development roller
operation
SC Tables
163
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