Samsung MULTIXPRESS CLX-9251 Series Service Manual page 428

4. Troubleshooting
16) Exit DADF Jam
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Symptom : When copy or scan images using DADF, exit jam is occurred even if there is no jam.
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Cause :
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Exit actuator is not returned. (Low resetting force of exit actuator spring.)
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Troubleshooting
1) Remove the DADF rear cover, DADF front cover, DADF cover-open Assy, Stacker.
(Refer to the disassembly chapter in service manual.)
2) Replace the exit actuator spring.
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