Question about Brother HL 1440 Laser Printer

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A row of small dots up the right side of the paper.. why does this happen and how do i fix this?

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  • srunner Apr 17, 2009

    They are in a row up the page and yes that are in a virtical line

  • adi May 11, 2010

    do they always appear on the same place?



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I believe you have a bad drum or a bad fuser. take a look at the drum. take the toner out, and turn the drum and see if you can a problem on the drum that is similar to what you see on the paper. try to turn the drum without touching the sensitive part. if you dont see anything, it probably is the fuser.

Posted on Apr 17, 2009


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first ensure the right side is closed (Section that exposes the drum cartridge) and that the latches are not broken OK with machine on take a paper clip end stick in the tiny hole on the right side of the control panel (From then on you can only use that paper clip:):):) for this procedure (Copier Tech humor:)) The paper clip is going to touch a small switch which turns the to several screens if its say abort that is ok what you are looking for is going to be on left side of the screen in the middle a small purple dot when you see the dot press 3 that will activate trouble reset it will still code out with your c500 code but now go to utility mode see the new button Maintenance touch it you will see trouble reset touch that machine will go thru the entire cycle again you will see the small dot DO NOT touch let it go to "Ready to Copy" if not you have a problem with fusing unit the Hot part DO NOT CONTINUE TO RSET you can catch the machine on fire have a tech come out a look at it.

Jan 31, 2014 | Minolta DiALTA DI2510F All-In-One Laser...

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Lexmark t-620 print spots

That usually indicates a worn heat roller in the fuser assembly. You can get a fuser from Amazon or other online site. They are user replaceable and run about $80-100. Do a search for T620 fuser and you will find them. Part number 99a2402 What happens is the Teflon coating on the fuser wears down which allows the toner to stick where is should not stick so it gets deposited on the paper in other locations and leaves spots.

Apr 18, 2013 | Lexmark Office Equipment & Supplies

1 Answer

Location of the usb pins on the mainboard

Go to the small list on the left side, under the bold black subheading - Matsonic Motherboard Manuals (PDF)
Left-click on - MS9307C

When the small window comes up on the right, make SURE there is a Green dot, in the small circle to the left of - Save File.

IF not left-click in the small empty circle to the left of Save File.
Now go below, and click on OK.

A small window will come up on the left. Allow the file to fully download. Then DOUBLE-click right on the file name.
Go to the far left side, and click on Extract all files.
Then click on Next, Next, and Finish, at the bottom of the next three small windows.

In the last small window DOUBLE-click right on the file name, next to the red Adobe PDF icon.
There is the motherboard manual.

Go to Page 14 of the Adobe Reader page number. (Top header)
Actual manual page number is 10.

Motherboard installed in computer case, USB1 header is at the bottom right corner. It lays Parallel to the bottom of the motherboard.
5 pins across the Top row, 4 pins across the Bottom row.

USB2 header is right above the top white PCI slot. (PCI 1 slot)
5 pins across the Top row, 4 pins across the bottom row.

Pinout for the USB headers is on Page 22 of the Adobe Reader page number. Page 18 for the actual manual page.


Oct 23, 2012 | Matsonic MS9307C+ (810884003185)...

1 Answer

Nedd pin out for system header on m810dlu

Click on the country name nearest yours.

Opening comes up on the right in a small window.
Make sure the circle to the left of Save File has a green dot in it.
If not, left-click in the circle to the left of Save File.
Now click on OK.

A small window comes up on the left. Double-click right on the file name
In the next small window go to the left side, and click on Extract all files.

Click on Next, Next, and Finish.
Close the other two small windows, and keep the recent one.
DOUBLE-click right on -> 810Ds52a
(Microsoft Word 97-2003 Docu...
1,353 KB)

As it is a Microsoft Word document, it takes a few seconds for Microsoft Word to load, and the motherboard manual.

[If you don't have Microsoft Office, you can always use OpenOffice for free. MUCH better program than MS Office ]

Page 10 - Mainboard Components
SW1 is the Front Panel header. It is in-between the CMOS battery, and the Floppy Drive cable connector.

Motherboard installed in computer case, SW1 is parallel to the bottom edge of the motherboard, and has two rows of pins.
4 pins across the Top row, 5 pins across the Bottom row.

Pin 1 is on the Bottom row, and is all the way to the Left.

The pins on the Top row are numbered EVEN.
The pins on the Bottom row are numbered ODD.

Starting on the LEFT side going towards the Right, Top row;
Pins 2, 4, 6, and 8. There is NO pin 10.

Starting on the LEFT side going towards the Right, Bottom row;
Pins 1, 3, 5, 7, and 9.

Page 15 - 2: Mainboard Installation

A) Pins 1 and 3 are for the HarDDrive activity LED (Light)
Pin 1 is for the Positive ( + ) wire.
If the HDD LED is dim when the harddrive is active, switch the wires around.

B) Pins 5 and 7 are for a Reset switch, IF a Reset switch is used.

C) Pin 9 is reserved for the factory, and N/C. Not Connected.

D) Pins 2 and 4 are for the Power On LED (Light)
Pin 2 is for the Positive ( + ) wire.
If the PWR LED is dim when the computer is on, switch the wires around.

E) Pins 6 and 8 are for the Power On switch.

F) No Pin 10.

For additional questions please post in a Comment.


Sep 08, 2012 | PC Chips M810DLU (M810DLUV75C) Motherboard

1 Answer

HP Color LaserJet CM 2320nf MFP has black dots on the right side of the paper. I have calibrated, and used the cleaning mode and it is still happening. Can you help me?

Put some paper in the manual feed tray(tray 1).
Print something.
When the paper feeds 1/2 way into the printer, open the cover. If the paper has the dots it would be caused by the toner or the image transfer belt. If no dots, the problem is probably the fuser.

By any chance did you vacuum out the printer. The dots could be coming from the paper path if it is dirty.

Apr 20, 2011 | HP Office Equipment & Supplies

1 Answer

Blue dotted line of right side of paper

Sounds like the cyan photoconductor unit needs to be replaced. Usually what ever the color dot is that photoconductor has a pinhole in it and the only to get rid of it is to replace it.

Apr 06, 2010 | Ricoh Aficio SP C411DN Laser Printer

1 Answer

The right button of the mouse is very hard to press.Any ideas how to fix this problem

Hi there, You feel hard because its broken from the inside. i guess if you press the right button from the end side( back side end of pressing location ) then some time it will work. Ok just turn back and open the small screw by screw driver. Then remove the casing. you should find 2 button look like small tap with black head or you can say its a radio button. press both button, if its working perfect and sound like a " tik tak" then you confirm that the button is ok. After that check the mouse casing press button. There you found a small plastic "dot" which is attached back side, with left & right side pressing button. If right side is missing then the "dot" button is broken, that's why you can't press the key. And some time its dislocate So if you do not find that "dot" plastic then i suggest you buy a new mouse or if its dislocate then try to fix it.
Thanks & waiting for your feedback.

Feb 15, 2010 | Logitech MX620 Mouse

1 Answer

Tiny dots about 1 inch apart down the side of page

Again, this was actually HP Laserjet 3800. Problem solved by chatting with HP, and them having me go into a diagnosis mode that disabled cartridge check. Then, I removed the cyan cartridge, the dots went away. They then had me put the black into the cyan slot, and not dots appeared. I had backup toner on hand, swapped in a new cyan and magenta, and all was good. HP agreed to replace the cartridges.

Jun 19, 2009 | Brother HL 2140 Laser Printer

1 Answer

Ink dots on right side of paper

Toner cartridge? So this is a laser printer? In that case I suspect it is not new? This sounds like old age on the main image drum, that will probably give the exact same mark on each page, correct?

Apr 15, 2009 | Dell 3000cn Laser Printer

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