Question about Brother IntelliFAX 4100 Laser Fax

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Brother intellifax 4100e

Error code 77 occured after machine was moved from one room to another

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Re: brother intellifax 4100e

Hi, the error code refers to the heater thermistor short circuited or heater thermistor disconnected or broke when the power was turned on, front cover is open or closed or when the machine exits from sleep mode.I hope this help!!

Posted on Dec 04, 2007

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  1. Unplug the power, press and hold the menu button, plug in the power
  2. (hold the menu button for 5 seconds after power is plugged in). Release
  3. the menu button, now press 91, if the display still shows the error,
  4. press 99.
Most people just ignore it, I suppose eventually if the thermoster is malfunctioning you could burn the printer out. But from a cost perspective I don't think it's worth replacing.

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