Question about Brother HL 2140 Laser Printer

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White dots on print line

These dots appear randomly on any print page. Quanty varies from none to many per page.

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  • Nathan
    Nathan Feb 28, 2009

    My printer leaves white spots from the toner. (This printer is only 3 days old)

  • Nathan
    Nathan Feb 28, 2009

    My printer is only 3 days old and it leaves white spots from the toner.

  • Anonymous Mar 28, 2014

    i have a mutoh toucan and when i want to print a image white dots appear on media

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  • 62 Answers

At first glance it sounds like it may be a bad cartridge or toner. Try a new one. If that does not fix issue then it may be the fuser, or dirty scanner mirrors.

Posted on Feb 12, 2009

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Posted on Jan 02, 2017

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1 Answer

What is the amount of magnetic Powder to be developed in the Fuser Section?


None. It is electrostatic attraction.
It varies from each type of laser printer.
Most printers will specify a total number of pages printed from a laser toner cartridge rather than give an actual amount of toner per page. Which I feel would be more likely to be an average value.
Due to the amount of toner being used per page varying on the number of actual pixels that are required - a black dot or a color dot. If a colour dot is required Three toner colors may be involved to get the color required. Where there is a white dot no toner is required.
It really depends on what image is being rendered onto the paper on each different page image print onto the paper.
Color photos use more toner as more of the page is color than when using black and white !

Jul 02, 2015 | Office Equipment & Supplies

1 Answer

Consistent dots down print


Try to print clean page ,
Print a cleaning page During the printing process, paper, toner, and dust particles can accumulate inside the printer and can cause print quality issues such as toner specks or spatter, smears, streaks, lines or repeating marks. Follow these steps to clean the printer's paper path.
  1. Load copier-grade paper (not bond, heavy, or rough paper).
  2. On the printer's control panel, touch the Menu button.
  3. Touch Configure Device .
  4. Touch Print Quality .
  5. Touch Process Cleaning Page .
A Cleaning message appears on the printer control panel display while the cleaning is taking place. The cleaning process takes a few minutes to complete. Do not turn the printer off until the cleaning process has finished. A page will be printed when the task is complete. Discard the page. You might need to repeat the cleaning process to thoroughly clean the printer. Print a few more pages to see if the problem is resolved.

Mar 20, 2013 | HP LaserJet 5550DN Printer

1 Answer

Lexmark T640 LCD blank..


To check if this is a hardware issue, please print a menu settings page. The purpose of this diagnostic is to check if this is a software issue or a hardware issue.



1. Press Menu to display Menus.
2. Press "down" until the "check" appears next to Reports.
3. Press "Check".
4. Press "down" until the "check" appears next to Menu Settings Page.
5. Press "check".
The message Printing Menus Settings appears on the display.
The printer returns to the Ready state after the menu settings page prints.


If the menu settings page printed without the dots, this would be a software issue. In that case, please call our Technical Support Hotline on (800) 539-6275.

Aug 17, 2012 | Lexmark T640 Laser Printer

1 Answer

I am a teacher. We have Dell computers with windows 7 on them. Recently our school district downloaded Microsoft Office 10. Since the new microsoft office, my xerox phaser 8500 is printing strange. ...


Hi fsaltzman,

You need to check the margin settings in the print preview option, make sure you decrease the margins that are set by default and try printing a test page , this should work fine.

On the File menu, you need to click Page Setup, and then click the Margins tab.
Here you can adjust the margins as per your convenience.

To View page margins :-
  1. You need to go on the Tools menu, select Options, and then select the View tab.
  2. Under Print and Web Layout options, select the Text boundaries check box.

The page margins appear in your document as dotted lines.


You can use these dotted lines to correct your margins so that your student's assignments are not cut off and there is no large margin as you have mentioned in your question.


You can view page margins in either Print Layout or Web Layout view only, and they do not appear on the printed page.

Hope this helps

May 11, 2011 | Office Equipment & Supplies

2 Answers

When scanning dots show up in a vertical pattern


Printer DPI and PPI Ratings, General Dots per inch stands for the maximum number of tiny spots of ink that the printer can place in a straight line where the spots are theoretically small enough (i.e. ignoring spreading or smearing effects of ink on paper) that if placed in every other such dot position leaving white space between them, the spots can be individually distinguished. Pixels per inch stands for the maximum number of unique positions in a straight line that the printer can place an ink spot under control from the outside world, namely from a computer connected to the printer. Lines per inch stands for how close thin parallel lines can be printed and still be distinguished in the finished printout. The spaces between the lines count as "lines". Pixels per inch and dots per inch originally referred to the same thing. The printer mechanism was under the direct control of the computer and was physically positioned and placed dots as directed by the computer. Back then, most printer mechanisms were limited to placing dots only in positions suggested by a grid of dots X per inch horizontally and Y per inch vertically, for example 100x100 dpi Nowadays, many printers put dots "wherever they want" as opposed to in positions suggestive of a horizontal/vertical grid. Still there is a minimum dot size and a minimum dot spacing. A picture file (image file) represents pixels in a uniform horizontal/vertical grid pattern. And the printer needs to make a finished picture of the size, say 5x7 inches, that the user chose regardless of the number of pixels in the picture file. To simplify the process of relating the pixel count in the picture file to the possibly non-uniformly spaced dots on the paper, the printer or its supporting software may generate a temporary intermediate picture file with a set number of pixels per inch. The printer may have, internally, several choices of ratio of pixels to dots and the published rating can be the largest ratio except that the published rating may not exceed the dpi rating. Therefore there might be three "per inch" values involved at a given time, the pixels of the original picture file, the pixels per inch that the printer works with, and the dots per inch of the printer mechanism. Pixels per inch is usually not mentioned with printers. All printers come with their own software (including parts called drivers) to install on your computer. Usually the software does not let you exercise control over individual dots using your picture file. Rather the printer takes your picture file or data file and uses its own built in logic to lay down the dots and create the printed output. We are led to believe that a printer's ppi is usually a fraction such as a half or a third of its dpi rating. When a temporary picture file is created, there are at least two levels of software in use. High level software (which may run in your computer) takes your picture file and creates the temporary file. Low level software runs in the printer, takes the temporary file and controls the dot size and dot placement on the paper. Sometimes a printer is advertised using a phrase such as "300 dpi 1200 dpi quality". This means that the printer has some way of making dark edges on a light background appear smoother than the first number would otherwise suggest. A printer with 300 dpi 1200 dpi quality definitely cannot resolve alternating dark and light pixels less than 1/300'th inch each. But curved and diagonal lines and color boundaries should not have jagged edges suggesting individual dots rigidly positioned on a grid with a 1/300'th inch pitch.

Oct 24, 2010 | HP LaserJet 3050 All-In-One Printer

1 Answer

4 colour dots on printout but not 150mm apart


Measure the distance between two of the same coloured dots down the page, if it is just over 150mm then it is caused by scratches on the photoconductor drum (this is the only thing that has a 15.4mm circumference). Try printing a black and white only document, only the black dots should appear. Removing the photoconductor and gently polishing the blue drum with a soft cloth can help if the scratches are not too deep, otherwise a new photoconductor is the only route.

Sep 06, 2009 | Epson Aculaser C1100 Printer

3 Answers

Xbox360 elite


check your game for deep scratches on the cd if there is none, then your best bet is shipping it back to microsoft or there is actually a company that fixes your 360 for a cheaper price. just google xbox 360 recall and if you look through the pages of signatures you will find an advertisement for 360 recalls go to that and call the #, i hope it works out for ya.

Apr 24, 2009 | Microsoft Xbox 360 Elite Console - Black

1 Answer

IBM 6400 Dot Matrix Printer - Need Drivers for Windows XP


Try running couple of these test, to see if it might be another issue.
It should be printing these test at 1500 Line Per Minute... ?
1500LPM is at 10CPI if you have (Font size: 6, 8, 12, 14) it will make a difference.
Change your driver to Generic/Text, rerun your report... any difference?
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Apr 15, 2009 | IBM 6400 Model i10 Matrix Printer

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