Samsung MultiXpress K4 Series Service Manual page 369

► Error Code
H2–6734
► Error message
Finisher Failure: #H2-6734. Check finisher
► Symptom
Stapler initialization is failed.
► Troubleshooting method
1) Remove and reassemble the staple unit.
2) If necessary, replace the staple unit.
3) If necessary, replace the finisher main board.
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4. Troubleshooting
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