Question about Brother IntelliFAX 4100 Laser Fax

1 Answer

Copies and outgoing fax quality

We have done the recommended scanner cleaning and replaced the drum but still get copies with vertical streaks and "gray" background. People receiving faxes are complaining they have vertical streaks, blurry and dark background. We tested by sending out to different fax machines - all receiving the same. Any ideas?

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  • 3 more comments 
  • ABCJenny Nov 27, 2007

    Thanks for the tip...we do face side down and have already cleaned the glass strip with no change in quality...although the glass strip we've been cleaning is under the control panel, not near the toner. Am I missing one that is behind or under the drum/toner? I can't see one...

  • Anonymous Dec 04, 2007

    we get a big black block on the faxes we send and the confirmation page.

  • Anonymous Jan 10, 2008

    Our office have Brother Intellifax 4100. Faxed sent out cannot be read by receiver. They complained that it has big black streak line. I already changed the toner cartridge and drum with a new one but the problem is still there. I cannot find our manual so I don't know what to do. HELP!

  • francinel Jul 28, 2008

    Dark Gray Background - have completed the cleaning as instructed in the manula - still dark gray background -help??



    Fracnine Lamson

    francinelamson@hotmail.com

  • andrewba Aug 12, 2008

    Have a big solid black block on the left side of pages being faxed...have bought new catridge and cleaned it to look like new...could it be a setting or an error in the scanner?

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  • Brother Master
  • 1,362 Answers

Your machine most likely has toner spills in it.
if you send faxes face side down follow these instructions ;
1- take out toner
2- look for thin glass strip on bottom inside the machine
3-wipe clean

if you make copies side up then do the same except look for glass strip on the upper side of machine

Posted on Nov 27, 2007

  • CheckitRight
    CheckitRight Nov 27, 2007

    no that was the one, the only other things that can do that are the fuser and the laser unit, if the fuser is O.K trust me you donot want to chande the laser it is VERY time consuming and costly.

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primary corona wire for printing may be dirty, or the sending party's fax scanner may be dirty. Clean
your primary corona wire. I recommend placing the drum unit on a drop cloth or large disposable paper
to avoid spilling and scattering toner.
1. Clean the primary corona wire inside the drum unit by gently sliding the tab from right to left several times.
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IssueWhen you copy, fax, or scan an original, the resulting output contains vertical bands, lines, or streaks in one or more colors.When you print the original, the output is normal. Figure 1: Sample output with vertical white or black linesc01892760.gif Figure 2: Sample output with vertical colored bands or linesc01892761.gif
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  2. Disconnect the USB cable from the product, and then disconnect it from the computer.
  3. Reconnect the USB cable to the computer, and then reconnect it securely to the product.
  4. Disconnect the power cord from the wall outlet, and then reconnect it to the wall outlet.
  5. Reconnect the power cord to the product.
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Solution two: Clean the All-in-One and print a blank copy If the scanner glass or the white underside of the lid has fingerprints, smudges, lint, dust, or other debris, this can slow performance and affect copy and scan quality. To resolve this issue, clean the All-in-One. Before you begin, gather the following materials:
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  3. Spray a clean, soft, lint-free cloth with mild glass cleaner.
  4. Wipe the scanner glass and the white underside of the scanner lid with the dampened cloth. Figure 4: Scanner glassc01893293.gif Figure 5: Scanner lidc01893294.gif
  5. Dry the scanner glass thoroughly with a clean, dry cloth, or chamois to prevent spotting, and then dry the white underside of the scanner lid.
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Note also that when transporting/moving some laser copier with the toner cartridge inside, the toner can get out and make a big mess inside (including getting the laser scan window dirty). An air compressor can be usefull to blow it out. And sometimes using alcohol to clean is a BAD idea (maybe incompatible with plastic and rubber parts). A damp rag is probably fine.

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