380 A Appendix
5. Loosen the screws on the control board of the
printer.
6. Pull out the handle on the control board and
then carefully pull the control board out of the
printer. Place the control board on a table top
or some other flat surface.
Important
• When pulling out the control board, hold it with both hands
so you do not drop it.
7. Widely open the tabs on each side of the slot
as shown in the right figure, and then insert
the Security Extention Kit ROM straight into
the slot with aligning the notch in the ROM
with the concavity of the slot.
Press the ROM card down firmly into the slot.
Note
• Make sure the ROM card is inserted securely as far as it can
go.
• When the ROM card is installed correctly, the retaining clips
on both ends stand up.
8. Reinsert the control board back into the
printer. Holding its handle, slide the control
board back into the printer.
Important
• Be sure to hold the handle when inserting the control
board. The control board may be damaged if you insert it
with the handle being folded.
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