Samsung CLX-8640 series Service Manual page 355

► Error Code
H2-506x
H2-507x
H2-5A50
► Error message
Finisher Failure #H2-506x. Turn off then on, after checking finisher
Finisher Failure #H2-507x. Turn off then on, after checking finisher
Finisher Failure #H2-5A50. Check finisher
► Symptom
Communication error between the IOT and the Finisher.
► Troubleshooting method
If the error still occurs, check the followings.
1) Check if the Finisher of the interface cable(JC81-03470A) should be connected with the IOT.
a) Power Switch of the IOT Off.
b) IOT and Finisher of the interface cable(JC81-03470A) is connected.
c) Power Switch of the IOT On.
2) Is the LEDs of the Main Control Board (JC81–07242A) working?
< Open the Bottom cover(SJ10 6160) of Finisher >
a) The Finisher of the
b) Red, yellow color LED is ON, and Green LED flickers.
c) Replace the Finisher main control board(JC81–07242A).
3) Check the Interface Cable(JC81-03470A) of Main Control Board(JC81–07242A).
a) Check if the connector(JC81–07242A) J1,J3 on the main control board (JC81–07242A) is disconnected.
b) Check for continuity in the wire harness and whether the harness is damaged(JC81-03470A), replace it
if required.
c) Replace the Finisher main control board(JC81–07242A).
4) Replace the Finisher main control board(JC81–07242A).
Copyright© 1995-2013 SAMSUNG. All rights reserved.
Doors(JC63-03941A, JC81-07249B) should remain closed to all.
4. Troubleshooting
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