SC Tables
D115/D116 6-6 SM
No.
Definition
Symptom Possible Cause
390 B
TD sensor error
The BICU detects the TD sensor
outputting extraordinary voltage
(less than 0.2 V or more than 4.0 V)
10 times consecutively.
Defective TD sensor
Loose connection of the PCU
391 B
Development bias leak
The polling module detects a
current leak of the development
bias.
Loose connection of the PCU
Defective high voltage supply
board
392 B
Developer initialization error
The ID sensor does not detect a
correct pattern during developer
initialization (
2-214-001).
Defective ID sensor
Insufficient developer
Defective drum operation
Defective development roller
operation
Loose connection of the PCU
Insufficient voltage for the
charge roller
401 B
Transfer roller leak error (positive electrode)
The feedback voltage of the
transfer roller is insufficient.
Defective high voltage supply
board
Loose connection of the PCU
Incorrect installation of the
transfer unit or the separation
unit
Defective transfer roller
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