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Re: machine say error 77 call brothers
Power off the printer for 15 minutes and power back on again. If that fixes the problem then OK. If not then go into maintenance mode - Press and hold the menu/set key while turning on the machine. Wait until it comes completely up before releasing. It should say Maintenance in the display.
If not press function,*,2,8,6,4 within two seconds. It should say maintenance in the display. Or on some machines Menu,*,2,8,6,4 within 2 seconds.
Once you get it into maintenance hit 91 to do a parameter reset and than 99 to get out of maintenance.
If this corrects the problem then OK but you may have a failing thermister in the fuser. If the problem happens again then change the thermister.
If the reset does not work then either the thermister or the fuser lamp has failed. In rare cases there is a poor connection with the cables to the fuser.
You will have to reset the parameter again after replacing the fuser if you need to replace the fuser or repair it.
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( 76 Heater harness disconnected or broken. Or heater thermistor harness disconnected or broken when the power is turned on, the front cover is opened and closed, or the machine exits from the sleep mode. ) ( 77 Power turned off and on at the occurrence of error 76 or 78. ) ( 78 Heater thermistor short-circuited. Or heater thermistor harness disconnected or broken when the machine is on standby. )
Error #77 refers to a mechanical problem, but I'd say about 7 times out of 10 it's a mistake. Fortunately, Brother fax machines have override commands :). Try this:
1. Turn the power off and unplug the power source. 2. Press and hold the menu button and plug in the power source (don't let go of the menu button!). 3. Hold the menu button for 5 seconds after plugging in the power source. 4. Release the menu button and press "91" 5. If the screen still shows the error code, press "99".
Hopefully this will override the error and you can get back to work :) .
The 77 error is caused by a fuser temperature sensor. The following steps can be used to possibly reset the Intellifax 4100 77 error.
1. Unplug machine then wait 15-20 minutes. 2. Hold down menu key. Plug in machine. 3. Release menu key at maintenance message. 4. press 91 then set button 5. press 99 then set button 6. Machine will warm up. 7. Press Reports key, then press 1. This will test if the machine can print.
If these steps do not reset the error the thermal fuse would have to be replaced by a repair technician.
Your Heater Thermistor most likely short circuited. It's a $10.00 part, however, you will want a Brother ASC to replace the part as it requires you to take most of the machine apart. Call your local Brother ASC by searching Brother's Website http://www.brother-usa.com/service/default.aspx enter your printer info and your zip code.
the fuser unit (fixing unit) not registering heat requirement. The heat roller or the thermistor sensor is defective.Remove fuser and check roller, if good replace sensor, reinstall fuser and reset machine.
related to a fuser error. Unit is detecting a too high or low heat internally. Try turning off for a few minutes. If error returns check voltage level at outlet or try a different outlet. Maybe too many items plugged in same outlet. If error returns, may need new fuser or thermistor.