Samsung CLX-8540ND - Page 341

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Troubleshooting
● Code : D-1 ● Low Image Density 2/2
Replace the imaging unit
Replace the ID sensor.
If the problem persists after replacing the imaging unit, replace the HVPS-L and HVPS-S.
[case2] Imaging unit is defective.
[case4] HVPS is defective.
[case3] ID Sensor is defective.