● Code
12-004
● Symptom
The paper in Manual Tray does not match the size selected.
● Possible Cause
1. Check that the size selected matches the copy paper in the Manual Tray.
2. Check the harness and connector of the MP Size Sensor.
3. MP Size Sensor is defective.
● Troubleshooting method
1. Open MP Tray.
2. Load [Letter] paper in MP Tray.
3. If the problem persists, check if the MP_Paper_Detect_Actuator works correctly.
a. Check the spring is put in the right place of the actuator
b. Check the harness and the connector fit on the photo sensor.
c. Check the connection of the Drawer_MP and screw points.
Service Manual
Alignment & Troubleshooting
● Error message
Paper mismatch MP.
Load [A4] [Plain]
Continue ⊙ Cancel X
JC39-01333A
JC39-01333A
(Harness-MP DRAWER_MP)
(Harness-MP DRAWER_MP)
4-53
Samsung Electronics