Black Imaging Unit Is Not Installed. Install It; Black Imaging Unit Is Not Compatible. Check Users Guide - Samsung SL-X7600GX Service Manual

4. Troubleshooting
► Error Code
C3–5411
► Error message

Black imaging unit is not installed. Install it.

► Symptom
The black drum unit is not installed.
► Troubleshooting method
1) Open the front cover.
2) Remove the waste toner container.
3) Remove and reinstall the black drum unit
4) Install the waste toner container.
5) Close the front cover.
► Error Code
C3–5512
► Error message
Black imaging unit is not compatible. Check user's guide
► Symptom
Black drum unit is not compatible.
► Troubleshooting method
1) Open the front cover.
2) Remove the waste toner container.
3) Remove the black drum unit. Check if the drum unit is compatible with the machine.
4) If the drum unit is not a samsung genuine, replace it with a new one.
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