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Fix adf in hp laserjet 400 mfp m425 scaner
Fix adf in hp laserjet 400 mfp m425 scaner











Open ADF, hold it with one hand and remove two hinges from the holes by slightly pushing on the front side of hinges using the end of flat screwdriver,Īccording to HP, the ADF is a part, which should not be disassembled, if device is covered by warranty, otherwise you can try to repair on your own riskįlat ribbon cable is responsible for scanner inside the ADF, and the multicolor cable for ADF paper feedeing mechanism.

fix adf in hp laserjet 400 mfp m425 scaner

Carefully allign flat and multicolor cable,Ĩ. Remove two black screws and L shape black plastic covering flat cables,ħ.

fix adf in hp laserjet 400 mfp m425 scaner

Flip over ADF and scanner assembly together (on some cloth to prevent ADF from scratches),Ħ. Remove flat cables from ferrite filters and pull the scanner towards the rear side of device - be carefull not to damage the flat cables.ĥ. Unscrew 4 screws at the back of flatbed scanner assembly,Ĥ. Unplug Black flat ribbon cables (the narrower one is going inside ADF, the thick one to flatbed scanner) and white connector with multicolor wires and also screwed black grounding cable.ģ. In case of you are getting Scanner Error 16, ADF paper feedeing problems or ADF rollers constantly runinng after turning on the device or won't stop after pulling one sheet of paper:Ģ.

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