Email me by clicking on the crossed tools to the right of my name. Ask for the Deskjet 900 Series Disassembly procedure. The print mechanism is identical to the G85. Below is the instructions for removing the case.
Officejet G85 Removing the Case
Preliminary Turn on the power. Open the printer as if you are going to change a cartridge and then unplug the power.
Removing the rear cover Looking from the rear, remove the T20 Torx screw on the left. This will allow you to remove the LIU (Line Interface Unit) cover and unplug the LIU. There are two push latches underneath that release the rear cover. It will hinge upward.
Cables Removing the rear panel will reveal some cables connected to the scanner. Disconnect them.
Removing the Scanner Tilt the scanner upward as if you are going to access the cartridges. You will see two large springs. Remove them. The front of the scanner pivots on two large hinges. Pry them apart with a slot style screwdriver. They will resist but will release and allow the scanner to rotate upwards. Rotate the scanner approximately 90 degrees and it will lift off of it's rear hinges. Use caution as you remove it in case you do not have all of the cables previously mentioned disconnected.
Removing the rest of the case There is a flat piece held on by four T10 Torx screws and two side covers that will hinge outward when two T20 Torx screws on each one are removed. When the side covers hinge outward they can be removed.
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