ELECTRICAL COMPONENT
4.3 ELECTRICAL COMPONENT
4.3.1 SENSORS
Reflective Photo Sensors
Sensor Connector Condition Symptom
ID TACN Abnormal Image quality may deteriorate.
OPC belt DCN5 Abnormal
• SC481
• The message "Reset PCU Correctly" is
displayed.
Waste toner DCN10 Abnormal
• The waste toner bottle or the waste toner is
not detected.
• The message "Waste Toner is Almost Full"
or "Check Waste Toner Bottle" is displayed.
Toner end DCN15 Abnormal
• SC611
• SC612
Transfer belt DCN16 Abnormal
• The message "Reset PCU Correctly" is
displayed.
OHP DCN16 Abnormal
• OHP sheets are not detected.
• The paper types other than OHP sheets are
not detected
NOTE: Connector TACN is on the BCU. The other connectors are on the I/O device PCB.
Photo Sensors
Sensor Connector Condition Symptom
Interrupted
The message "Check Toner Crtg xxxxx" is
displayed, where xxxxx indicates a color.
Development
unit
DCN2
Not
interrupted
The message "Add Toner xxxxx" is displayed,
where xxxxx indicates a color.
Interrupted
The paper stops in the paper exit unit and the
message "Remove Misfeed Internal Path" is
displayed.
Paper exit DCN7
Not
interrupted
The message "Remove Misfeed Internal Path"
is displayed when no paper is in the path.
Interrupted
The message "Remove Misfeed Paper Tray"
is displayed.
Registration DCN16
Not
interrupted
The massage "Remove Misfeed Internal Path"
is displayed.
Interrupted
The message "Load Paper: Tray 1 or Form
Feed" is displayed while the paper is in the
tray.
Paper end DCN16
Not
interrupted
The message is not displayed when no paper
is in the tray.
Interrupted
The message "Remove Misfeed Paper Tray"
is displayed.
Paper
size/tray
DCN19
Not
interrupted
The message "Load Paper: Tray 1 or Form
Feed" is displayed.
NOTE: The connectors provided here are located on the I/O device PCB.
G108 4-22 SM
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