Memory ; Main controller board; PC I/F- Page 122

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REGULAR MAINTENANCE AND TROUBLESHOOTING

3550-US-5.0

LINE

EXT.

PC I/F

Main controller board

Memory 
board

Spacer

3. To install the memory board onto the

main controller board,use the attached
spacer and plug it into the lower right
connectors of the main controller
boards.

LINE

EXT.

PC I/F

Main controller board

Screw

4. Reinstall the main controller board in

the machine by sliding it into guide
rails.

5. Secure the main controller board with

the three screws.

6. Reconnect the interface cable.

7. Plug the power cord into the AC outlet.

Troubleshooting

Troubleshooting

Troubleshooting

Troubleshooting

Troubleshooting

BROTHER CUSTOMER SERVICE HAS INSTALLED AN EASY TO USE FAX-BACK

SM

SYSTEM SO YOU CAN GET INSTANT ANSWERS TO COMMON TECHNICAL
QUESTIONS AND PRODUCT INFORMATION FOR ALL BROTHER PRODUCTS. THIS
SYSTEM IS AVAILABLE 24 HOURS A DAY 7 DAYS A WEEK. YOU CAN USE THE
SYSTEM TO SEND FAXES TO ANY FAX MACHINE, NOT JUST THE ONE FROM WHICH
YOU ARE CALLING .

PLEASE CALL 

1-800-521-2846

1-800-521-2846

1-800-521-2846

1-800-521-2846

1-800-521-2846

 AND FOLLOW THE VOICE PROMPTS TO RECEIVE

FAXED INSTRUCTIONS ON HOW TO USE THE SYSTEM AND FOR YOUR INDEX OF
FAXBACK SUBJECTS. (IN THE USA ONLY)

WARNING

• Hold the edge of the memory board. Do not touch the surface of the board.
• Make sure the memory board is securely seated in the main controller board.