Samsung CLX-330x Series Service Manual page 111

► Error Code
U3-3313
U3-3314
► Error message
Document jam. Remove jam
► Symptom
A document jam was detected in the ADF unit.
► Troubleshooting method
1) Remove the jammed paper from ADF unit.
2) If the error persists, turn the machine off then on.
3) If the document jam occurs continually, open the ADF cover-top. Check if the ADF pick up roller is contaminated
or worn out. Clean or replace it.
4) If the pick up roller is OK, check the followings.
a) Check if the ADF motor is working normally.
b) Check if the connector on the ADF joint board is connected correctly.
5) If the problem persists, replace the ADF unit.
► Error Code
U3-4110
► Error message
Door of scanner is open.
► Symptom
ADF cover is opened.
► Troubleshooting method
1) Close the ADF cover.
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4. Alignment and Troubleshooting
4-44