I have a Brother MFC 7420 fax machine that says it is in the sleep mode. I cannot receive any faxes, and cannot get it to remove the sleep mode, although I have tried to set up the "quick receive" function and it says it is accepted
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Setting the Sleep Mode reduces power consumption while the machine is idle.
You can choose how long the FAX/MFC is idle (from 00 to 99 minutes) before
it drops into sleep mode. The timer automatically resets itself after the machine
receives a fax or PC data or makes a copy. The default setting is 0 minutes.
1 Press Menu/Set, 1, 7.
2 Use the Dial pad to enter the length of
time the machine is idle before it drops into sleep mode (00 to 99 minutes),
and then press Menu/Set.
3 Press Stop/Exit.
Open the document feeder, there should be a narrow, long scan glass underneath. Clean that glass. Sometimes whiteout (liquid paper) or other foriegn matter will stick to the scan glass causing a "shadow" (line) on faxes being sent out. Hope this helps.
i don't have the owners manual handy, but i'm quite sure you can disable the sleep mode by pressing a couples of buttons on control panel. that procedure is in your owners manual on the same page as setting sleep time.
Your Brother machine#s Sleep Mode function reduces power consumption while the machine is idle. You can adjust how long your Brother machine is idle (between 00 and 99 minutes) before Sleep Mode is initiated. Please note that the default setting is 00 minutes, and the timer automatically resets itself after the Brother machine receives a fax,receives data from your PC, or makes a copy. To adjust your Brother machine#s Sleep Mode setting, please follow these steps:
sleep mode is just a status of the machine when it is in idle mode.you cannot turn this off however you can delay the time before the unit goes into a sleep mode.it has nothing to do when you are sending out faxes.so here are a few things you need to check when sending a fax (1)dial tone by pressing hook/hold button (2) insert the doc into the adf, make sure it will change to "enter fax # and start,or copy press copy (3) dial the number (4) wait for fax tones of the receiving unit before you press start. now if you can hear an operator on the line,that has to be verified with your phone company since brother machine does not restrict incoming and outgoing faxes UNLESS that is restricted from your phone line.
There seems to be an internal fault, either with the receive relay or another board component. Can you receive a telephone call? If so, I would say it's a component failure and should have a repair shop look at it. With this kind of problem, the repair facility will use bench testing equipment to prove it. then exchange the faulty board. If it's not under warranty, it will be expensive.