Lexmark C720 User's Guide - Page 277
Removing memory and network options, Removing the rear cover and system board
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• Deleting files • Moving files from one storage device to the other on the same printer or from one printer to another printer • Printing a directory listing the resources stored on a device • Read/write and write passwords to protect resources stored on flash memory or hard disk, or to protect individual files For more information about the specific resource management tools that MarkVision offers, see Introducing MarkVision or refer to the MarkVision online Help. For more information about setting passwords, refer to the Technical Reference. Removing memory and network options Previously installed memory and interface options can easily be removed by using the procedures on the following pages. Removing the rear cover and system board You must remove the rear cover and the system board to remove memory cards, a hard disk, print server, Tri-Port Adapter, or a parallel port interface card. CAUTION: Anytime you move or lift the printer make sure you have someone help you. WARNING: Once the oil bottle has been installed, do not tilt or move the printer. Oil can drip and cause damage. You need a number 2 Phillips screwdriver to remove the rear cover and system board. CAUTION: If you have any other devices connected to the printer, turn them off and unplug their power cords, and any cables going to the printer. Note: The duplex unit and optional drawer do not have to be removed to access the rear cover and system board. 1 Turn the printer off. 277