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Brother Printer HL 3140 CW Paper Jam fix

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  1. Brother Printer HL 3140 CW Paper Jam fix, take off back cover: étape 1, image 1 de 2 Brother Printer HL 3140 CW Paper Jam fix, take off back cover: étape 1, image 2 de 2
    • Stick your printer on a table and get to the back of it. Then remove the white flap from its hinges. you may need to bend the plastic a little for the plastic studs to pop out.

  2. Brother Printer HL 3140 CW Paper Jam fix, remove inside cover: étape 2, image 1 de 2 Brother Printer HL 3140 CW Paper Jam fix, remove inside cover: étape 2, image 2 de 2
    • With the white flap off, unscrew the single screw and pry out this black cover.

    • Once out this will allow you to un-clip and remove the paper guide from the printer.( pinch the two green levers)

  3. Brother Printer HL 3140 CW Paper Jam fix, remove photocell shroud: étape 3, image 1 de 2 Brother Printer HL 3140 CW Paper Jam fix, remove photocell shroud: étape 3, image 2 de 2
    • You now have access to the black shroud that covers the photocell emitter & receiver. Pry it upwards and off with a small opening tool.

    • Inspect the paperguide: a small black spring loaded lever in the middle should move the "blocking piece" freely up and down.

    • Reassemble in reverse order, ensuring the blocking piece moves freely between the photocell emitter & receiver.

    It seems like steps are missing. I removed the black shroud, but I cannot find any paper guide or spring loaded levers. Is there another piece that needs to come out before I can find the spring?

    Steve - Réponse

    I never found a spring-loaded lever either. There are two small plastic pieces on both sides but they seem to be just part of the shroud. In the end though, after removing the shroud and using spray air on it and reassembling…my printer now works. Only took me 2 months of trying other fixes, taking the whole thing apart, many hours of searching the net, and saying way too my expletives.

    Michael “Mike” Hall - Réponse

    Mine sends paper in, acts like it's printing, then jams every time. I open the back and take the paper out that is all folded up accordion style.

    Karen Klaiber - Réponse

Conclusion

To reassemble your device, follow these instructions in reverse order. This may be the fix you are looking for or perhaps your printer has a different issue. Clearly a slight knock to this plastic shroud meant the photocells were no longer aligned and this printer was unusable...until now.

4 autres ont terminé cette réparation.

Peter van-Velzen

Membre depuis le 06/24/17

209 Réputation

1 tutoriel rédigé

12 commentaires

OMG THANK YOU SO MUCH! I have spent untold hours on the phone with Brother — and finally ran across your post. Worked in 2 minutes. THANKS!

Jason Martin - Réponse

It’s not explicitly clear here - but what you are doing is removing and LEAVING OUT the black U shaped shroud from the device.

brantwalsh - Réponse

Wow, you nailed it! As soon as I read your observation that the machine always stopped at exactly the same spot - despite there being no paper jam - my mood changed. It worked like a charm. Thanks for sharing the experience with others.

Stuart Clark - Réponse

Thank you! Totally worked. To add to post we removed the shroud and left it off.

jen_phan - Réponse

Finally, no more jams! Took the advice/clarification of previous commentors and removed the black, plastic U-shaped shroud when I reassembled the printer. Keeping it in a safe place just in case… Not sure if I’m setting myself up for a catastrophic printer failure sometime in the future by removing a piece that came with the printer, so we shall see. But for now, I’ll claim the victory and save $200 for a new printer! Thank you soo much!

Msxilef - Réponse

Good find. Thank you for sharing! Worked like a charm for me when I could find no other solution.

Josh Miller - Réponse

I did this, and it worked for two years. Now it is doing it again.

jfishel - Réponse

Help, I cannot understand where the spring is, or what the “blocking piece'“ means. Nothing seems to be stuck, but it is jamming as you describe. Need video or more pics.

Katie Rose Ross - Réponse

WOW! This is it!

I've been messing around with my printer (Brother HL-3150CDW) for 1 1/2 days strait to solve this mysterious "paper jam" issue. Every sheet of paper got trapped in the middle of the printer right when it touched the exit paper sensor. I had no luck at all.

Then, as a last resort, i searched ifixit.com and found THIS GLORIUOUS REPAIR INSTRUCTION!

I disassembled the rear of the printer one more time and got rid of that U-shaped photocell cover - right to the bin with that.

This was the solution - the electronics on that sensor-board are working again.

After 36 hours of trying to get something out of that Brother I can finally get nicely printed pages again.

Thank you very much for sharing your wisdom! I was planning to throw this printer out the next day... safed the day!!

Valentin Stock - Réponse

That worked!! Removed the black U-shaped thing, as suggested. Thank you!!

David Abbott - Réponse

I'm not sure what I did here but it solved my jam issue. I removed the shroud, rubbed the clear and black pieces connected to the circuit board and replaced the shroud. Now the printer appears to be working properly. I wasn't quite sure how to "Inspect the paperguide: a small black spring loaded lever in the middle should move the "blocking piece" freely up and down." Nothing in my Brother HL-3170CDW was moving (or at least I couldn't see anything moving. Thanks for publishing this. I was thinking I might need to buy a new printer.


804michael - Réponse

1000 x Thank you! Luckily I found this solution after changing and cleaning the printer and still got paper jam error with all pages stopping at the same position.

Peter Lascych - Réponse

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