AR-M620 (serv.man27). ARM550 620 Installation Manual - Sharp Copying Equipment Service Manual (repair manual). Page 43

: Jan. 9 2004

AR-M550/M620  INSTALLATION MANUAL  (AR-P19)  6 - 1

To enable the printer expansion function, the product key must be
acquired.

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.

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

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

main 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.

1) Remove the ROMs (MAIN and BOOT ROMs) from the control

PWB and replace them with the two ROMs (MAIN and BOOT
ROMs) of the printer expansion kit.

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

When mounting the printer expansion kit ROMs, insert them to the
same positions in the same orientations as those before replace-
ment until they click and ensure that the inserted ROMs are locked
with the sockets.

2) Remove the screws that secure the cover and remove the cover.

Then, insert the connector of the print server card to the connector
of the control PWB.

3) Secure the print server card using the screws that have been

removed.

MAIN ROM: 1 pc.

·

 Printer utility CD-ROM: 1 pc.

·

 Network utility CD-ROM: 1 pc.

·

 Product key sheet: 1 sheet

Print server card: 1 pc.

BOOT ROM: 1 pc.

Screws

Upper right cabinet

 MAIN ROM

Notches

BOOT ROM

Screws

Cover

Print server card