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‎09-26-2022 09:36 PM

HP Recommended
Product: HP LaserJet Pro M402dn
Operating System: Linux

All too often the toner/drum cartridge will not readily slide out of its socket. The left side releases while the right side remains fixed; this right side carries the driveshaft for the assembly. The driveshaft has 2 metal pins that mate with the main drive motor driveshaft attached to the chassis. Whether the cartridge slides out easily or not depends on how these pins are oriented when the motor stops; that's random. I can not tell if the motor has a clutch to disengage the 2 halves of the driveshaft that might cause this.

If the cartridge is stuck, it is necessary to power cycle on/off printing test pages until the mechanism is freed. Often many times.

Is anyone familiar with this? Or has a suggestion for repair? Could the cartridge be at fault? All printing is otherwise fine.

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