Question about Brother DCP-7040 Laser Printer

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Printer stopped. said my fuser cover is open. Where is it?

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The fuser is located at the rear of the printer. Open the rear door and make sure it closes flush all around. If this does not clear the message, you may have a broken actuator fin on the door that cannot close the microswitch which makes it think the door is still open.

Posted on Apr 24, 2010

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  • niloakpots Oct 05, 2010

    I was getting the same error and found two different paper jams inside the printer. Until I found them both (and only saw the top of one from the back door), the fuser cover error would not go away. Now, everything is peachy.

  • palombo267 Jul 20, 2011

    awesomesauce!! 100% on the money..

  • RamboGSD Aug 03, 2011

    It was a paper jam in the back that you could only see by opening that back cover. Definitely on the money!


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Thank you. I found the paper jam by removing the toner. The paper was easier to remove from the front. Thank you once again.

Posted on Dec 05, 2011


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Posted on Jan 02, 2017

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SOURCE: DCP 7020 Brothers laser printer paper jam & back cover open fault

Try doing the following prior to messing around with the fuser itself:

Posted on Jun 13, 2009

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SOURCE: I have a HP laserjet 4mv, i remove the fuser to

Do not understand the problem. The front panel is held in with a hook on each side but both these hooks are ON (part of) the fuser unit. So if you have the fuser unit out the front panel should not stay up at all. Can you please describe in more detail?

Posted on Nov 24, 2010

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My Dell MFP 1815dn has a paper Jam 2. I removed the toner cartridge and pulled the paper out, before I realized that I needed to open the back. I believe I thought I got the paper out, but the printer is...

After a paper jam occurs in the rear cover of a Dell Laser Multi-Function Printer 1815N, the printer will not resume when the jammed paper is removed. This is the normal behavior of the printer as there is no sensor on the rear cover of this printer.

To open the back cover and remove any stuck paper, perform the following steps:
  1. Open and close the front cover.
    The jammed paper may automatically exit the printer. If the paper does not exit, go to the next step.
  2. Gently pull the paper out of the output tray.
  3. If you cannot see the paper in the output tray or the paper does not move when pulled, open the rear cover.
  4. Skip to step 9. If you do not see the paper, go to the next step.If you see the jammed paper, push the two blue pressure levers up and remove the paper.
  5. Release the blue strap, the rear cover stopper, and fully open the rear cover.
  6. Unfold the duplex guide fully.
  7. While pushing the fuser lever to the right, open the fuser door. NOTICE: Make sure to unfold the duplex guide before opening the fuser door, or the fuser door may be damaged.
  8. Pull the jammed paper out.
  9. Return the levers, fuser door, rear cover stopper, and duplex guide to their original position.
  10. Close the rear cover.
  11. Open and close the front cover.
    Printing automatically resumes.

Jun 24, 2011 | Dell 1815dn All-In-One Laser Printer

1 Answer

Printer stopped mid printing and said "fuser door open"

This is a sensor problem, you can try to open the front cover and close it if the problem still okures you need to bring it to samsung technical service as the fuser is inside the printer and it need to be dismantled all to fix it.

May 13, 2011 | Samsung ML 4551NDR - printer - B/W - laser

1 Answer

Paper was coming out crinkled.... now that's fine but it's coming out smudged on the right side only.

Hello, I am pretty sure you have a fuser problem.

*** remove the poer plug from the printe ***

Open the rear output bin door all the way, press the door down to disengage two door-stops
Remove two screws
Lift the bottom of the cover first to disengage the alignment tabs at the top of the back cover, and
then lift the cover away from the device.
Remove the duplexer inlet guide by releasing two tabs, slide the guide towards the back of the printer
Dis-connect 3 electrical cables 2 on the right one on the left
remove 4 scews from the fuser
slide the fuser out the back

The Part number for the fuser is RM1-3717-000CN

Feb 22, 2011 | HP LaserJet P3005 Printer

2 Answers

Printer quit printing. Screen says fuser cover is open. Where is it located so I can close it?

Your problem: paper is jammed in the back of the printer around/in the fuser.

The Users Manual for your printer is located at: Manual/UM_DCP_7030_7040_EN_1510.PDF

You'll need Adobe Acrobat Reader (free from to view it.
LOCATION:The fuser cover is located in the back - its covered by the panel in the back called
the "back cover" aka "back output tray cover".
2-step fix:
(A) open the back cover - on the back of the printer.
HOW: it flips down
(B) open the fuser cover and remove paper jam
How: Pull the 2 tabs (one left and one right) toward you to open the fuser cover.
(it also flips down to open).
Most of this fix comes from downloading the Users Manual and blowing up page 60 (of 108 pages).

Jan 01, 2011 | Brother DCP-7040 Laser Printer

1 Answer

Paper Jam 13.20 on HP 4015


Media stopped in the paper path during power on or when the top door was closed.


1. Open top cover and remove toner cartridge. Remove all media in the paper path, and then re-install toner then open and close the top cover.

2. Open read door and pinch blue latches on fuser and pull it out. Inspect the sensor flag for correct movement and any paper obstructions in the fuser rollers. Re-install fuser and Confirm rear door closure.

3. Remove tray 2 and confirm paper is not jammed in the pickup area. Confirm paper size adjusters in the tray are correctly set for paper being used. (Do not set back paper stop to ANY)

4. Replace any defective sensors or flags

Hope this helps. Please keep us updated and remember to rate this answer.


May 24, 2010 | HP LaserJet P4015N Printer

3 Answers

How do i change the fuser?

CAUTION: Fuser may be hot. Turn off printer, unplug it and allow it to sit for 20
to 30 minutes before performing these maintenance procedures.

Fusing Assembly Removal and Replacement
1. Remove Back cover:
a.) Open the face up delivery door and press the door down to disengage two door stops
b.) Remove the two screws just above the door stops
c.) Swing the bottom of the cover out first, and then the top
2. Remove I/O cover:
a.) Rotate cover to clear the tabs on right side of cover
3. Remove fusing assembly:
a.) Disconnect black cable above main power cord receptacle
b.) Disconnect two cables on left side of fuser
c.) Remove duplex inlet guide (below fuser) by lifting two locking tabs
d.) Remove four screws from each corner of fuser
e.) Pull fuser straight back
4. Reassemble in reverse order

I have done 15 service calls on these printers

Jul 16, 2009 | HP LaserJet P3005 Printer

2 Answers

HP2420 Manual

Are you sure it's not the transfer roller that you want to replace?? this is the roller which sits directly under the toner cartridge, the fuser sits more towards the rear of the printer. I'll list instructions for removing both. Hope this helps

To remove the transfer roller -
1. Release the left end of the transfer roller by using needle-nose pliers to pinch two tabs at
the left end of the transfer roller.
2. Use the needle-nose pliers in the same manner to release the other end.
3. Lift the transfer roller out of the printer.
The left end of the transfer roller has a spring attached. At the right end of the roller, the
spring is attached to the printer rather than to the roller. As a result, the spring at the right
end remains in the printer.

To remove the fuser -
1. Remove the back cover and the I/O cover.
2. Remove the fuser-cable cover by releasing one tab on the cover, and then
rotating the back of the cover toward the center of the printer.
3. Remove the duplexer inlet guide by releasing two tabs on the guide, and then
sliding the guide toward the back of the printer.
Reinstallation tip
Make sure that both tabs snap back into place when reinstalling the duplexer inlet guide.
4. Disconnect two cables at the left, inside, of the printer.
5. Disconnect the fuser cable at the right side of the printer.
6. Remove four screws securing the fuser.
7. Tilt the fuser slightly toward the back of the printer, and then slide the fuser out of the
back of the printer.

To remove the back cover -
1. Open the face-up delivery door all the way, and then press the door down to disengage
two door-stops.
2. Remove two screws
3. Close the face-up delivery door, and then tip the printer so that it rests on its front.
4. Open the "legal-size" cover, and then disengage one tab.
5. Lift the bottom of the cover first, and then lift the cover away from the printer.
6. Tip the printer back so that it rests on its feet.
To remove the io cover (looking at the printer from the rear, this is the small cover on the left side) -
1. Rotate the I/O cover to clear tabs at the right side of the cover.
2. Lift the cover off of the printer.

Nov 12, 2008 | Office Equipment & Supplies

1 Answer

Fuser replacement

Wow i've worked on old printers but this is the the cream.
1-Open back door and remove the back cover ( two screws)
2-remove the top cover.
3- remove the cleaning pad cover and the pad,
4-take out two screws that hold fuser,
5-unplug fuser (two plugs, power and sensor plug)
6-remove fuser

Aug 07, 2008 | Lexmark Optra S 1855 Laser Printer

1 Answer

Shadows on prints

The comment from Kasmodan2 is true it can the toner cartridge, but is most cases it is the fuser. I repair HP laserjet machines day in and day out to replace the fuser is easy.
  1. Turn power off
  2. Open cover at right hand side rear
  3. Remove data cable
  4. Open top cover remove toner cartridge and press button on right hand side and slide the right hand cover off
  5. Open the back cover and lower the door all the way down
  6. Remove the two silver screws
  7. Take out the paper tray as this will be easier to remove the back cover
  8. Pull the back cover from the bottom and should unclip be careful not to break this cover.
  9. Once open then you will see the fuser unit unplug the connections and remove the screws then slide out the fuser unit
  10. Refit the new fuser unit plug in all the connections and reverse the above process
  11. Turn machine on and test if all good the machine will work fantastic if there is a constant red light repeat above and check connections if still red light then the new fuser faulty and not heating up.
Hope this helps all of you
Thanks J

Dec 04, 2007 | HP LaserJet 2100 Printer

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