Brother Printers Mfc 7750 Laser 600x600dpi Super G3 Fax Owners Manual

197TROUBLESHOOTING AND MAINTENANCE
Document Jam
The documents were not inserted or fed properly, or were too long.
1Open the control panel.
2Carefully, pull the document toward the front of the MFC.
3Close the control panel.
4  Press Stop.
NO
OK
Printer Jam
Before you can clear a printer jam error, you must find out where the paper
is stuck.   See the following three types of paper jams.
WARNING
Do not force the jammed paper from the paper tray because you may
damage the MFC and cause toner to scatter on...

198CHAPTER NINETEEN
Paper is Jammed in the Multi-purpose Sheet Feeder
1Open the multi-purpose sheet feeder to pull the jammed paper upward
and out of the feeder.
2   Close the multi-purpose sheet feeder.
3  Open the top cover and check that a torn piece of paper does not remain
inside the MFC.
Multi-purpose Sheet Feeder
Paper is Jammed near the Drum Unit or in the Fuser Unit.
1  Open the top cover.
2  Remove the drum unit.
3  Gently pull out the jammed paper.
4  Reinstall the drum unit.
5  Close the top...

199TROUBLESHOOTING AND MAINTENANCE
If You Are Having Difficulty with Your MFC
If you think there is a problem with your MFC, make a copy first.  If the
copy looks good, the problem is probably not your MFC.  Check the table
below and follow the troubleshooting tips.
DIFFICULTY SUGGESTIONS
Condensed print and If your copy looks good, you probably had a bad
horizontal streaks, the top connection, with static or interference on the
and bottom of sentences phone line. If the copy looks bad, call Brother
are...

200CHAPTER NINETEEN
DIFFICULTY SUGGESTIONS
Dialing does not work Check for a dial tone.  Change TONE/PULSE setting
(see ÒTone/PulseÓ p. 31).  Check all line cord
connections, and make sure the curled handset cord
is not in the EXT jack.  Check power cord
connection.  Send a manual fax by pressing 
Hook
ÑORÑby lifting the handset, and dialing the number.
Wait to hear fax receiving tones before pressing Start.
MFC does not answer Make sure the MFC is in the correct receiving mode
when called for your setup...

201TROUBLESHOOTING AND MAINTENANCE
DIFFICULTY SUGGESTIONS
Double ring in The MFC knows the incoming call is not a fax so it
FAX/TEL Mode is signaling you to answer the telephone call.  Pick
up the MFC handset or answer from an extension
phone and press your MFCÕs Telephone Answer
Code (default setting is #51).
Transferring a fax call to If you answered at the MFC, press 
Start and hang
MFC up immediately.  If you answered at an extension
phone, press your MFCÕs Remote Activation Code
(default setting is...

202CHAPTER NINETEEN
DIFFICULTY SUGGESTIONS
The MFC cannot print The MFC received a very complex print job and
full pages of a document. could not process part of the page.  This may be
An error message PRINT solved in several ways.  If you are using Windows
¨
OVERRUN occurs. 3.1, 3.11, Windows¨ 95, 98 or Windows NT¨
Workstation Version 4.0 with the supplied printer
driver, see the ÒWindows¨ Setup Printing ProblemsÓ
section.  Try to reduce the complexity of your
document or reduce print resolution.
The...

203TROUBLESHOOTING AND MAINTENANCE
DIFFICULTY SUGGESTIONS
I cannot print from my Check that the DOS application software interface
application software settings match those of your printer: for example, if
you are using a parallel printer cable, you would
probably set your DOS software printer port to
LPT1. Check for an error message on the LCD.
The MFC prints, but it This is an indication that your application printer
prints incorrect emulation Prints setting and the MFCÕS printer
information....

204CHAPTER NINETEEN
DIFFICULTY SUGGESTIONS
Vertical streaks appear in Sometimes you may see vertical streaks on your copies.
copies Either the scanner or the primary corona wire for
printing s dirty.  Clean them both. (See pages 213 and
215.)
Printouts are too dark or Adjust the print conditions by setting the Print Density
light function.  It has been factory set to the middle position.
(See ÒSetting the Print DensityÓon page 46.)
Printed pages contain white You may fix this by wiping the scanner...

205TROUBLESHOOTING AND MAINTENANCE
DIFFICULTY SUGGESTIONS
Printed pages are marked Markings may disappear by themselves. Try copying
at regular intervals multiple pages to clear this problem. Markings may
occur if the MFC has not been used for a long time.  A
possible cause is that the surface of the drum is
scratched. You must then replace the drum unit with a
new one.  If the markings do not disappear, it may be that
the drum was marked or damaged by excessive exposure to
light. In this case, replace...

206CHAPTER NINETEEN
Difficulties Setting up the Software
Problem Using the HP Pavilion PC and the
ÒHP DEMOÓ Screen Saver
If you select the ÒHP DemoÓ screen saver on your HP Pavilion PC after you
have installed the Multi-Function Link Pro software, the System.ini file is
overwritten and you cannot use the Brother MFC to print, scan, or for
Remote Setup.
If you have used the HP Demo screen saver already, you must edit the
System.ini file as follows:
[boot]
;comm.drv=comm115.drv
comm.drv=brmfcomm.drv...