TA Triumph-Adler LP 4140 - Manual (Page 145)

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ADVANCED OPERATION GUIDE 4-13
2 Remove the screw from the memory slot cover at the back of the printer
and remove the memory slot cover.
3 Remove the DIMM from its package.
4 Open the clips on both ends of the DIMM socket.
5 Insert the DIMM into the socket, so that the notches on the DIMM align with
the corresponding protrusions in the socket.
6 Close the clips of the DIMM socket to secure the DIMM.
Clamp
Clamp