Samsung MultiXpress X4 Series Service Manual page 520

4. Troubleshooting
4.8.3. Scanner and Document Feeder problem
No Problem Description
1 How to resolve CCD Lock because of spring-wire
2 Noise of ADF Hinge / Crack of ADF Hinge / ADF can't be fixed as open
3 ADF paper jam (Multi-feed)
4 Scanner Locked / #U1-2115 error
5 How to adjust image distortion
6 Line Skew occurs due to internal module of scanner
7 Paper Jam occurs due to Registration ROLLER-IDLE of ADF
8 ADF is not recognized and an S3-3211 error occurs or copying must be
performed from the platen.
9 During copy or scan job, the original paper JAM and U3–3213 error occur.
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