Changing the Chamber Door Gasket

Move the chamber door out of the way

Open the Chamber door
Take the screws and washers off of the bottom hinges only (they should be Phillips heads, but may be T15 Torx)
Partially close the door and take the hinges out of the door
Flip the door up on top of the machine.

Remove old gasket and clean area

Take out the bottom 3 screws in the gasket. An extra securing screw point has been added to the fill chamber gasket located at the bottom center
Loosen the other 9 screws about 2 turns
Find the screws by lifting the lip of the gasket
Remove and discard the old gasket
Clean the area where the gasket touches the chamber with a cleaning wipe to remove any ink that may have accumulated.
Cleaning the inside of the door is also recommended

Install New Gasket and secure screws properly

Put the new gasket in place. Press the gasket over the 9 screws loosened previously. Tighten the 9 screws.
Be careful to turn the screws down far enough so they cannot be felt when you run your finger over the outside.
If you can feel the screw from outside the gasket, screw it down a little further. If you go too far the rubber from the gasket can slip out/squeeze out around the screw.
Install the Bottom 3 screws with washers to help secure the gasket at the bottom of the fill chamber. 3 extra screws are included with the kit in case the originals are lost or missing. 12 screws are all the gasket needs, no more, no less

Reinstall the lower hinges onto the chamber door

Test a Cartridge

The best way to test how well you replaced the gasket is to refill a cartridge and see if the chamber door seals properly.

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