Installing extra DIMM memory; Figure 4-10- Page 141

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HL7050_US_UG_FM5.5

Installing extra DIMM memory

When you install extra memory, follow these steps:  

1

Turn off the printer power switch, and then unplug the printer.  
Disconnect the interface cable from the printer.

2

Remove the side cover. 

Figure 4-10

Make sure you turn the power to the printer OFF before you 
install or remove the DIMM.