HP LaserJet 4050 Tray 1 pickup roller installation instructions
Installing the Tray 1 pickup roller.
Remove the toner cartridge if it hasn't already been removed. Open Tray 1 (flips down). Remove the plastic piece circled below by pulling straight out.
Next remove the Tray 1 sensor arm cover as shown below. Be careful to pull straight out. You might need to use a little more force than you think to pull this out. It snaps out on the left and right.
Below is a picture of the sensor cover with the two sensor flags pointing up. Keep the sensor cover attached to the tray.
Next take a small flat head screwdriver or your fingernail and pop open the blue tab on the pick-up roller. Then pull the roller straight up and out.
Other Steps in HP LaserJet 4050
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