Error 60.02 on HP Laserjet 4250 series

It appears that the spring which holds the lifter motor upright was designed without enough tension on it.

If the spring is removed and the motor assembly is allowed to fall to the right when the paper tray is inserted the motor never engages the tray and an error 60.02 appears.

However if the motor assembly is held upright while the tray is inserted the error message never appears as the motor always engages.

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