MFC 4550/6550MC/7550MC

OP-US-5.0

OPTIONALACCESSORIES

Option slot cover plate

LINE

EXT.

 

Screw

 

Serial interface board

 

Screw

 

LINE

EXT.

 

Connector

 

Main controller board

3.Unscrew the two screws and remove theoptionslotcoverplateandkeep itinasafeplace.

4.Toinstalltheserialinterfaceboard ontothemaincontrollerboard,plug theboardserialinterfaceboardinto the upper left connectors on the maincontrollerboard.

5.Securetheserialinterfaceboard with the two screws.

Warning

Holdtheedgeoftheserialinterfaceboard.Donottouchthesurfaceoftheboard.

Makesuretheserialinterfaceboardissecurelyseatedonthemaincontrollerboard.

 

 

 

6. Reinstallthemaincontrollerboard

 

 

 

in the MFC by sliding it into the

 

 

 

guiderails.

 

 

 

7. Secure the main controller board

 

LINE

EXT.

withthethreescrews.

 

 

 

Screw

Main controller board

 

Maintenance

15-2

Page 199
Image 199
Brother 7550MC, 6550MC warranty 15-2, Guiderails, Withthethreescrews