Question about Brother MFC-9420CN All-In-One Laser Printer

1 Answer

Black line down paper when run through ADF - Brother MFC-9420CN All-In-One Laser Printer

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Brother Master
  • 1,113 Answers
Re: Black line down paper when run through ADF

Dirty scan glass. small slit of glass before main copy glass

Posted on Nov 08, 2007

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

2 Answers

My canon pixma MX320 reads document in ADF how do I get rid of this to be able to use my printer?


Please check on the ADF section if there is a jammed paper and remove it. ADF stands for Automatic Document Feeder, it is where you put the paper for faxing.

It is also better to check the paper sensor on the ADF section and see if it return back to its normal position. Open the cover of the ADF section, you will find a white plastic that click when your press down and lifted up back when release. This is the paper feed sensor. If this do not return to normal position, you will need to have it replaced by a certified printer technician.

Removing the power cord at the back and leaving it for at least 30 minutes will sometimes do the trick of removing the error on your printer.

Jun 08, 2011 | Canon PIXMA MX320 Color USB InkJet Printer

1 Answer

I get a black line down the center of the copies ONLY when using auto feeder, not from glass. Have cleaned and cleaned, cannot see issue. ANY help?

You have to clean the small piece of glass that is right under the adf paper path...... Good Luck... The mark or dirt is on that glass..... Follow the paper path of the paper when it goes through the adf

Apr 14, 2011 | Canon imageCLASS D480 Black and White...

1 Answer

Long black line from near top to bottom only when using ADF, not flatbed.

Your ADF is not feeding the paper straight. The black line is the gap created when the edge of the gap
has a gap along the edge.

* Adjust your feed bars so that it holds the paper tightly centered to the ADF.
* Check that there is not dust in the feed path of the ADF roller and it is clean.

Mar 22, 2011 | Printers & Copiers

1 Answer

Black line in paper

On what operation are you receiving the black line in your paper?

This problem usually appears when you try to scan or copy using your ADF (automatic document feeder).
To remove this black line in your paper, clean the ADF platen glass in your printer and do as well in the flatbed scanner glass. This ADF platen glass can be found right below where the documents in the ADF goes through. Its a glass about 1 inch in with and beside the flatbed scanner glass (the one where your documents is lay down for copying and scanning. Dried ink or paper residue sticked in the glass can cause this line in the paper. Clean it with a a clothe and spray some windex on it.

Good luck!

Feb 10, 2011 | Panasonic KX-FLB801 All-In-One Laser...

1 Answer

Black line when using feeder. I have cleaned with alcohol the glass, rubbers, everything, as suggested. Just tried scanner, same line appears.

Determine where the line is...right side, middle, left side. Lift the ADF up. If you have to lay the paper down on the glass and match the line to the glass. There has to be a piece of dirt in that area. Sometimes it helps to gently run your finger of the glass(where the line is). Feel for any abnormality. Try a magnifying glass. There is dirt there. That's the only thing that will cause a black line when using the ADF. Check the underneath of the ADF cover for dirt.

Sep 14, 2010 | HP Officejet Pro 8500 Wireless All-In-One...

1 Answer

ADF not working.

if the black line shows only when you use the ADF, lift the whole document feeder, and look on the very left of the glass (the area onto which the paper is travels from the ADF). Check that the glass is clean in that area.

On the ADF:
Open the small ADF cover on the top right. There you will see rollers and a paper sensor. First make sure the isn't any paper stuck in the rollers. Clean the rollers with a damp cotton pad or cloth a small amount of dish washing detergent. Make sure it is damp. Then check to make sure that the paper sensor lever is working by toggling it. The paper sensor is spring loaded, check that the spring is in place.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Oct 05, 2008 | HP LaserJet 3030 All-In-One Printer

2 Answers

Lines on paper through the ADF when making copies

there is a dirt on the ADF (CIS contact image sensor) that reads your document, identify where the lines came from either from top or bottom then open your adf and clean the affected area. this will solve the problem.

Jul 24, 2008 | HP OfficeJet 6210 All-In-One InkJet...

2 Answers

Black Lines

Do the black lines only show up when useing the adf???? Or do they show up on both the adf and the copyboard glass??? If it is only when using the adf...... The fix is easy.... you have to clean the smaller piece of glass that is to the left of the copyboard glass with windex or rubbing alchola. If it is with both you may need a new drum and blade or a new ufr... Good Luck

May 20, 2008 | Sharp AR-BC260 Color Copier

1 Answer

Black line down right side of paper

On the ADF check the twink mark on glass scanning mirror

Oct 15, 2007 | HP LaserJet 3055 All-In-One Printer

Not finding what you are looking for?
Brother MFC-9420CN All-In-One Laser Printer Logo

75 people viewed this question

Ask a Question

Usually answered in minutes!

Top Brother Printers & Copiers Experts

Jim Yeh

Level 1 Expert

15 Answers

Jesus  Colon
Jesus Colon

Level 1 Expert

12 Answers

Rick Johnson
Rick Johnson

Level 2 Expert

84 Answers

Are you a Brother Printer and Copier Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides