Samsung SCX-4216F Series Service Manual page 59

4.9 Printing Problems (malfunction)
4.9.1 Defective Operation (LCD WINDOW
• Description
Strange characters are displayed on the OPE Panel and buttons are not operated.
Check and Cause
1. Clear the memory.
2. Check if OPE HARNESS is connected to the Main Board
correctly.
4.9.2 Defective LCD Operation
• Description
Defective LCD Operation
Check and Cause
1. Clear the memory. (See page ).
2. Confirm to catch a click sound, while a key on the OPE
panel is pressed on.
Samsung Electronics
) Display
Solution
1. Try again after clearing the memory.
2. After confirming that OPE HARNESS is connected to
the Main Board correctly, if it is so, then replace the
OPE ASS'Y and Main Board in sequence.
Solution
1. The key is wrong itself or wrongly assembled.
2. Even after the key has been replaced, it is still wrong,
try to replace the OPE ASS'Y and the Main B'D in
sequence.
Troubleshooting
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