Adding printer memory
You can purchase an optional memory card for your printer to enhance its performance. Additional printer memory allows the printer to print complex jobs and operate more efficiently. Your printer comes with 4 MB of memory. You can install an optional memory card for a maximum of 68 MB of printer memory.
1.Switch the printer off and unplug the power cord and all cables from the back of the printer.
2.Push in the paper tray.
3.Remove two screws from back of control board, and pull control board out of printer.
Note : Be aware that control board is connected to inside of printer by cables. Do not disconnect these cables.