MFC 4550/6550MC/7550MC

OP-US-5.0

OPTIONALACCESSORIES

Selecting the RS-422A (Apple) or RS-232C (IBM) Serial Interface

1.Make sure the MFC is in the offline mode.

2.Selecttheserialinterfaceportmatchesyourcomputer:

For Apple Macintosh computers, select the RS-422A (Apple) port by keeping the slide switchtotheleft(factorysettingisRS-422A).

For IBM compatible computers with Windows® or PCs that operate with DOS, move the slideswitchtotheright(RS-232C).

RS-422A (Apple)

RS-232C (IBM)

Slide switch

Setting the Serial Interface Parameters (Only for MFC 6550MC/7550MC)

Set the parameters to match your computer as follows:

Never change the RS-422A parameters for Apple Macintosh computers. The RS-422A parametershavebeensetcorrectlyatthefactoryforAppleMacintoshcomputers,soyou do not have to change the setting. You may skip this section. If you change parameters for the RS-232C serial interface and then switch back to RS-422A for Apple Macintosh computers,besuretorestoretheparameterstothefactorysetting.

Set the RS-232C parameters to match your IBM compatible computer. You can set serial settingsinseveraldifferentplaces,withinyourDOSapplication,withintheWindows® Printer Icon (for Windows® application software only), or within your AUTOEXEC.BAT fileusingMODEcommands.Forinformationonsettingserialinterfaceparameters,see theuser’sguideforyourcomputerorsoftware.

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Brother 6550MC, 7550MC warranty 15-3, Set the parameters to match your computer as follows