Samsung MultiXpress X4 Series Service Manual page 410

A3 color copier
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4. Troubleshooting
► Error Code
H2–6440
H2–6452
► Error message
Hole punch hopper is not installed. Install hopper.
Hole punch hopper is full. Remove waste of hopper.
► Symptom
Hole punch hopper is not installed correctly. (H2-6440)
Hole punch hopper is full. (H2-6452)
► Troubleshooting method
1) If punch dust box is full, removing dust manually. Open and close finisher stapler door or jam cover to check if
finisher executes initialization process. If error does not disappear, follow the instructions below :
2) Does punch interrupt sensor work well?
a) Make sure hopper's sensor cable is connected well to the sensor connector.
b) Make sure hopper's sensor cable is connected well to the main board connector.
c) Check the interrupt sensor position.
d) Check the hopper's plug position.
3) Check if any debris existed. Please make sure to remove any debris.
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