Top 20 Samsung SCX 4623F - Multifunction fax / copier / prin - SCX-4623F - Page 2 Questions & Answers

In order for the print out to be clear, the paper path, drum and the transfer belt should be clean & the waste toner container should be empty. If doesn't work replace the drum.

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Fixya Please delete user Finley for spam

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I googled your situation and I found this. From what I read this is a problem with the drum or a sensor. Good luck.

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Go to service mode and rest counter

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try going to service mode and turn off the notification for the toner

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Link to Service Manual above for the ML4510ND model.

Quoting from link above:

Code: C3-1312
  • Display:Imaging Unit Failure: #C3-1312. Install imaging unit again.
  • Description:Toner sensor is defective. The machine can't detect the sensor signal in the imaging unit normally.
  • Remedy:1) Install the genuine samsung imaging unit. 2) If the imaging unit is already installed, check the following. • Reinstall the toner cartridge and imaging unit. • Check if the CRUM connector is normal. • Turn the machine off then on.

Another link to check, page 4-40:

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I have seen this problem occur when the humidity goes up, such as rainy days. Paper will become slightly thicker and stickier in humid conditions. Something to think about.

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The latest driver for your scanner needs to be installed on your PC.

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Check the preferred settings to see what size of paper it is set to print. Sometimes the paper settings change and it is printing to a smaller size of paper.

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Remove/uninstall the software for the printer and reload it.

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Recovery: If the LReady or Hsync error happens, the paper is exited before the error code is initiated. .... You also can resolve the error with the guideline from the computers's Samsung Printing Status window.

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in mantenance menu select total CNT clear,

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First think test toner cartridge
If print ok okay from computer may think problem on cc'd unit / exposer / copy lamp/ scanner (all are same unit)

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i need to know what you try and get that error

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