Oki C7100 User Manual page 196

4. If the memory modules are of the same capacity, the order of
SDRAM slots to use is Slot 1, Slot 3, and Slot 2.
(a) If the memory modules are of different part number/
capacity, insert the highest module into Slot 1, the
second highest into Slot 3 and the lowest into Slot 2.
(b) Replace the mother board and secure it with the two
screws.
5. Reconnect the printer interface cable and power cable, then
switch on the printer.
If the error message SERVICE CALL/034 appears on the LCD after
switching the printer on, make sure the memory modules have been
installed correctly.
6. Print a Menu Map as follows to confirm the additional memory
is correctly installed.
(a) Press the Menu button twice to access the
INFORMATION MENU.
(b) Press the Select button and confirm that PRINT MENU
MAP is displayed on the LCD.
(c) Press the Select button to print the menu map.
(d) Check that the Total Memory Size is the same as the
memory now installed in the printer.
NOTE
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