Question about Brother MFC-5460CN All-In-One InkJet Printer

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Says unable to print 4f, see troubleshooting and routine maintenance. please help.

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  • Brother Master
  • 5,127 Answers

This is a print head failure of some type. Turn off the printer, disconnect the power cord and lift up the scanner unit. Check for any paper or foreign object. See if you can slide the printhead and check under it. If the printhead will not move easily, do not force it. If the printhead is all the way to the right, you will not be able to move it. Use a flashlight to check for any foreign objects or paper scraps soaked with ink. Remove any foreign stuff that you find.

Posted on Sep 15, 2010

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Posted on Jan 02, 2017

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eliza_syafik
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SOURCE: Problem with my printer Brother MFC-240C "Print unable 4F"

clean unable 46,see troubleshooting and routine maintenance chapter in user guide.Plase help me to splve this problem.

Posted on Aug 12, 2009

Samyfam
  • 379 Answers

SOURCE: My printer is telling to me see troubleshooting

This is the Brother definition of error code 4F:
"The head drive voltage has dropped from the high to low level in an abnormally short period." or "The head drive voltage has not risen to the specified level within the specified period in the self-diagnosis"
Causes:
"Piezoelectric ceramic actuator defective (Cracks or rare short)"
or
"Main PCB defective"
No simple fix I'm afraid. You could contact a Brother repair agent but I expect they will want to charge you more than a new machine. Sorry.

Posted on Jul 12, 2010

  • 3 Answers

SOURCE: see troubleshooting and routine maintenance

Error 46 in my printer brother DCP-165-C any help please

Posted on Feb 12, 2011

  • 159 Answers

SOURCE: See troubleshoot and routine maintenance

You really should mention the brand and model of the printer, but from the message, I'm guessing this is a Brother inkjet machine. If so, the Init Unable message means that either the printhead is unable to go back and forth, or it can, but the machine doesn't know it can. The most common causes are:

  • A scrap of paper got wadded up in the way of the printhead. It's probably crammed up against one end or the other of the area the head travels through. Usually it's soaked black with ink and stuck in the right-hand end where everything else is black, too. If you unplug the power, you might be able to pull the printhead out of the way by hand to get at the scrap. You'll need a flashlight and maybe long tweezers. See the note below about the gray film strip.
  • Sometimes it's more serious. The right-hand end, where the head parks itself is a cleaning/sealing station. Between jobs, the head rests there, and a motor lifts rubber seals up against the bottom of the head to prevent the ink nozzles from drying and clogging. If that motor died, the head is stuck over there, and a repair probably costs more than a replacement machine.
  • Sometimes it's less serious. You might be able to see a 1/4-inch wide strip of gray film stretched tight across the area the head travels through. The gray is actually fine vertical lines that the head counts with an optical sensor, keeping track of it's location, so every dot of ink goes where it ought to. Sometimes a paper jam pushes that strip up and out of its sensor, so the machine can't see it. If it can't count those lines, it assumes it must be jammed and throws up that error. You might be able to gently lift and drop the strip back into the sensor. It should be straight and vertical, all the way across, without anything rubbing on when the head moves.
  • Be nice to that film strip. It's just photographic film, and not made to be rubbed. Ink smears will blot out the lines and cause the error you already have, so keep dirty fingers off it.
There are other possible causes, but these are the likely ones, two of which you may be able to fix without parts.
Good luck.

Posted on Mar 11, 2011

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1 Answer

My printer is telling to me see troubleshooting and routine maintenance chapter in User's Guide. Print unable 4F?


This is the Brother definition of error code 4F:
"The head drive voltage has dropped from the high to low level in an abnormally short period." or "The head drive voltage has not risen to the specified level within the specified period in the self-diagnosis"
Causes:
"Piezoelectric ceramic actuator defective (Cracks or rare short)"
or
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No simple fix I'm afraid. You could contact a Brother repair agent but I expect they will want to charge you more than a new machine. Sorry.

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