AR-M620 (serv.man27). ARM550 620 Installation Manual - Sharp Copying Equipment Service Manual (repair manual). Page 45

: Jan. 9 2004

AR-M550/M620  INSTALLATION MANUAL  (AR-FR11)  7 - 1

• To enable the data security function, the product key must be

acquired.

• If unfinished data remains in the memory of the main unit (including

HDD), output or transmit all the data to clear the data remaining in
the main unit and then start installation.

1) Turn the power switch located on the right side of the main unit to

the "OFF" position.

2) Open the front cabinet and turn the main power switch to the

"OFF" position.

3) Remove the power plug of the main unit from the outlet.

1) Remove the two screws that secure the upper right cabinet and

remove the upper right cabinet.

∗

If cables are connected to the control PWB, remove all cables.

2) Remove the four screws that secure the control PWB unit.

3) Raise the two grips and hold them to pull out the control PWB unit

until the stopper is engaged.

4) Remove the two flat cable connectors.

5) While using your finger to release the stopper, pull the control PWB

unit out of the main unit.

Remove the ROMs (MAIN and BOOT ROMs) from the control PWB
and replace them with the two ROMs (MAIN and BOOT ROMs) of the
data security kit.

The MAIN and BOOT ROMs are indicated with "MAIN" and "BOOT" on
the labels on the ROMs respectively.

When mounting the data security kit ROMs, insert them to the same
positions in the same orientations as those before replacement until
they click and ensure that the inserted ROMs are locked with the sock-
ets.

MAIN ROM: 1 pc.

BOOT ROM: 1 pc.

Screws

Upper right cabinet

MAIN ROM

Notches

BOOT ROM