MFC 4550/6550MC/7550MC

OP-US-5.0

TROUBLESHOOTINGPROCEDURES

D

L

COMM . ERROR

CONNECTION FAIL

COOLING DOWN

PLEASE WAIT

COVER OPEN

DISCONNECTED

DOCUMENT JAM

DOWNLOAD FULL

LINE ERROR

A poor quality phone line caused a communicationserror.Trythecallagain.

Yourequestedthepollingfunctioneventhough the machine you called does not have the pollingfeature.

When the temperature of the drum unit or tonercartridgebecomestoohot,theMFCwill pauseitscurrentprintjobandgointocooling down mode. During the cooling down mode youwillhearthecoolingfanrunningwhilethe display on the MFC shows COOLING DOWN and PLEASE WAIT. You must wait and allow the MFC to resume printing when it is ready.

The top cover or multipurpose sheet feeder coverwasnotcompletelyclosed.Pleasecheck each of them.

The telephone line was disconnected by the other party during the communication. Try callingtheotherpartytoseewhathappened.

Your documents were not inserted properly, orthedocumentswerenotfedproperly,orthe documents were too long.

Open the control panel and remove the documents. (See page 14-6~8)Then close the control panel, press Stop and insert the documentsagain,adjustingtheguidesoneither side of the document, and try sending the fax again.

Original documents should be straight, non- wrinkled,tobecorrectlyfed. Otherwise,the documents may occasionally jam.

The download buffer is full. Press FF/Cont. Printing will resume (the downloading is cancelled). The command that caused this message will be ignored. (Only for MFC 6550MC/7550MC)

There is a communications error.

Ifyouareusingaserialinterface,checkbaud

rate,parity,etc.Ifyouareusingaparallel

interface,checkthecableconnections.

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Brother 6550MC, 7550MC warranty 16-3