Removal and Installation Memory and BootROM DIMM’s Removal WARNING Switch off the Printer and remove the Power Cord. NOTE Refer to the table on Page 8-4 for information on screw types. 1. Remove 4 T-10 screws ( Type P ) from the DIMM Access Cover. Remove the DIMM Access Cover. 2. To remove a DIMM, first push down the lower locking tab and then push up the upper locking tab to release the DIMM. 2 1 8-77 HP DesignJet 5000 and 5500 Series Printers Service Manual