Question about Samsung ML-1860/SEE ML-1860 Mono Laser Printer 8MB 1200 x 1200dpi

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Printer sensor failure #3 3112 samsung ML1860

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Dear its related to the fuser assy. check the thermostat for open replace it,check the thermister for open.replace it. Thane Main PBA. In general this type of model if problem repeated replace the Main PBA or update firmware with latest. Thanks.

Posted on Dec 29, 2014


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Sensor Failure:#A3-3112.

Hi there,

This is an indication that the feed sensor is broken or just being block by an ink blotch or a small paper. If you are comfortable in opening your samsung printer, please check the sensors behind the paper feed rollers. Wipe them clean with a cloth with isopropyl alcohol and make sure it is clean.

Put the parts back together. Do not turn on the Printer yet. Press and hold the power button for 30 seconds (while it is plugged off the main power) and release it. Plug back the power and test your printer. Check if this will remove the error message. If not, consider yourself buying a new printer as this is not a replaceable part.

Hope this helps.

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Why sensor failure:#3-3112

Its related to the fusser assy.. Pl. check the thermistor(it may open) its harness (continuity)and main PBA.

Sep 03, 2014 | Samsung ML-1860 Mono Laser Printer 8MB...

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Printer sensor failure #3 3112 samsung ML1860

Pl. check the fusser assy. thermistor resistance if it open replace it,check thermostat and heating lamp for short, if open replace it. If all are ok, try to up date latest firmware. if not solved replace the main board.

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