Brother International HL-3400CN Users Manual - English - Page 214
Hold the DIMM with your fingers against the side edges
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CHAPTER 5 MAINTENANCE When you install DIMMs, follow these steps: 1. Turn off the printer and unplug the power cord from the AC outlet. Note Be sure to turn off the power to the printer before installing or removing the DIMMs. 2. Unscrew the two screws securing the rear plate of the main controller board and pull out the main controller board. Fig. 5-73 Removing the Main Controller Board 3. Unpack the DIMM and hold it by its edge. ! Caution Do not touch the memory chips and the surface of the main controller board. If static electricity collects, it may damage these electrical parts. 4. Hold the DIMM with your fingers against the side edges and thumb against the back edge. Align the notches on the DIMM with the DIMM slot. (Check that the locks on each side of the DIMM slot are open, or outward.) . Fig. 5-74 Install the DIMM 5-57