20 Most Recent Brother IntelliFAX 4750 Plain Paper Laser Fax Questions & Answers


Say what?

Brother... | Answered on May 02, 2015


Your image scanner is bad. Try making a copy....if it comes out black but your incoming faxes are fine then your image scanner is bad. You can also print a report from the machine and it should come out fine.
The image scanner is the part that scans your originals before faxing them out or making a copy. There is a light bar that lights up when scanning. Either that light bar(l.e.d. array) has gone bad or the scanner itself is bad. If this is the case it is probably going to cost more to fix than the machine is worth. You could buy a new machine for what it would cost to fix.
Good Luck and Thank You for using Fixya.

Brother... | Answered on Apr 11, 2014


chk the mgnt blade of toner

Brother... | Answered on Aug 29, 2013


The printers memory may be full depending on the type of documents they are printing. The first and most simple step is to unplug the power cord from the back of the unit for 30 seconds, put your finger on the stop key while plugging the unit back up and continue holding the stop key until the time and date are back on the display of the Brother unit.

If that does not work unplug the USB cable from the PC. Unplug the power cord from the unit again. Put your finger on the menu key first and then plug the unit back up. You want to hold the menu key unit the until the LCD says maintanence and all the lights are flashing. Let the menu key go and press the number 82 and will give you an error code. If the error code is 00 then there are no errors. If there is an error code record it and contact brother or check a service manual if you have one. Most laser products all have the same error codes with Brother.

To reset the unit press stop and then 91, this will reset the unit and all faxes or print jobs will be lost. This should clear the issue.

Brother... | Answered on May 07, 2012


try this- press the "menu/set" button, then " *2864 " . the *2864 you have to enter within a 2 second window, so you may have to try this more than once. when you hear a long beep, you got it. press "91". you should see "parameter init" on screen. wait for that message to disappear. unplug machine at this point, wait 5 seconds and plug back in. if it comes up with that error again, then you truly have a problem with your fusing unit and will have to have repaired. sometimes though, this error can be caused just by a power outage or fluctuation. if thats the case it should come back up to normal after you successfully do this procedure.

good luck
razors

Brother... | Answered on Sep 21, 2011


don't know if this will fix prob, but pull drum unit out and locate the piece of glass that runs right to left inside of fax right over top of where drum would be sitting. clean that off. if theres toner coating that glass, that will cause light prints or blanks. this is of course, assuming that you are getting these kind of prints from more that one fax.

hth,
razors

Brother... | Answered on Jun 15, 2011


Machine Error 77 is a problem with the temperature of the fuser. The fuser is the hot rollers in the back that melt the powdered toner into the paper, making your image permanent. It's temperature is regulated with a few feedback and safety features to shut it down in case the regulator goes haywire or the sensors stop working. The redundancy in the system is because a runaway heater could be a fire hazard. If any one of the sensors involved doesn't see the temperature it expects, it shuts the whole works down, and puts up an error code.
If this started when you pulled a paper jam out of the back of the machine, you may have accidentally unplugged one of the fuser's cables, but it's unlikely. If you did, it should be hanging in plain sight in the back of the machine.
More likely is that the fuser's heat lamp has burned out, or the thermistor that senses it has gone bad. Some machines have a fuser that can easily be pulled out and replaced, but this one is more difficult, and the teflon-coated rollers are easy to scratch or gouge. I'd recommend taking it to a Brother-authorized service center. Call first and ask if it's worth it.

Brother... | Answered on Feb 16, 2011


    The fusing unit and the parts around it are hot! Be sure to wait until the fusing unit has cooled down sufficiently before replacing the fusing unit. If you touch the hot parts, you might get injured.
asl4c_u_g038.gif
  1. Turn off the machine's power switch. To avoid injury, wait until the machine has cooled down sufficiently before you replace the fusing unit.

  2. Open the back cover (1) and the scanner unit (2) of the machine.
  3. asl4c_u_g090us.gif
  4. To release the fusing unit from the machine, release the lock levers that are on both sides of the fusing unit.
  5. asl4c_u_g059.gif
  6. Hold the handles on both sides as you take the fusing unit out of the machine.
  7. asl4c_u_g056.gif
  8. Put the new fusing unit into the machine. Be sure to insert the fusing unit completely into the machine.
  9. asl4c_u_g057.gif
  10. Secure the fusing unit with the two lock levers that are on both sides of thefusing unit.
  11. asl4c_u_g058.gif
  12. Move the fusing unit pressure release levers to the Set position.
  13. asl4c_u_g0591.gif
  14. Close the scanner unit and the back cover.

  15. Turn the machine's power switch back on.

  16. Press the Menu/Set key.

  17. Press the up or down navigation key to select Machine Info. and press Menu/Set.

  18. Press the up or down navigation key to select Reset Menu and press Menu/Set.

  19. Press the up or down navigation key to select Fusing Unit and press Menu/Set. The confirmation message appears on the LCD.

  20. Press 1 to reset the life counter.

  21. Caution
      Please be careful when replacing the fusing unit. Do not put pressure on the fusing unit; it should go in easily. If it does not, make sure the fusing unit connector is free to move.
      Do not apply force! It could damage both the fusing unit and the machine.

Brother... | Answered on Feb 02, 2011

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