Brother MFC-790CW User's Guide download pdf (Page 157)

Troubleshooting and Routine Maintenance

145

Receiving Faxes

Difficulty Suggestions

Cannot receive a fax. Check all line cord connections.

Make sure the machine is in the correct receiving mode for your setup. (See

Receive mode settings on page 46.)

If you often have interference on the telephone line, try changing the menu setting

of Compatibility to Basic(for VoIP). (See Telephone line interference

on page 149.)

Sending Faxes

Difficulty Suggestions

Cannot send a fax. Check all line cord connections.

Make sure that the Fax key is illuminated. (See Entering Fax mode

on page 34.)

Ask the other party to check that the receiving machine has paper.

Print the Transmission Verification Report and check for an error. (See Reports

on page 84.)

Transmission Verification Report

says ‘Result:ERROR’.

There is probably temporary noise or static on the line. Try sending the fax again.

If you send a PC FAX message and get

‘Result:ERROR’ on the Transmission

Verification Report, your machine may be out of memory. To gain extra memory,

you can turn off Memory Receive (see Turning off Memory Receive Operations

on page 50), print fax messages in memory (see Printing a fax from the memory

on page 54) or cancel a Delayed Fax or Polling Job (see Cancelling a fax in

progress on page 36 or Checking and cancelling waiting jobs on page 40). If the

problem continues, ask the telephone company to check your telephone line.

If you often get transmission errors due to possible interference on the telephone

line, try changing the menu setting of Compatibility to Basic(for VoIP). (See

Telephone line interference on page 149.)

Poor fax send quality. Try changing your resolution to Fine or S.Fine. Make a copy to check your

machine's scanner operation. If the copy quality is not good, clean the scanner.

(See Cleaning the scanner glass on page 164.)

Vertical black lines when sending. Black vertical lines on faxes you send are typically caused by dirt or correction fluid

on the glass strip. Clean the glass strip. (See Cleaning the scanner glass

on page 164.)

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Brother MFC-790CW User's Guide Page 157