Question about Brother DCP-J140w Wireless Compact Inkjet All-in-One Dcpj140w

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My brother DCP-J140W won't scan. It keeps saying check connection but it is printing okay. Please help!

It won't scan, keeps saying 'check connection' I have uninstalled and reinstalled several times, but to no avail.

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  • Brother Expert
  • 229 Answers

CHECK SCANNER CONNECTION IN INNER PRINTER

Posted on Apr 02, 2015

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  • Brother Master
  • 5,909 Answers

How is the all-in-one connected to your computer? The problem usually means that you do not have bi-directional communication between the printer and the computer.

If it is connected to your wireless network, did you ensure that the firewall allows the communication? (Some firewalls will automatically add the correct ports to the allowed list during the install of the full software.) For other firewall software or the less-complete install of the software drivers, you need to make sure that the port, 54925 , are allowed to access your computer for inbound and outbound network data. If adding that port is insufficient to allow scans to have bi-directional communication with the printer, also add port 137 (inbound and outbound). Since this step depends on your firewall, please add a comment with the firewall software on your computer. This is in the note in the Scanning section of the Brother Software User's manual for the DCP-J140W on page 35. This manual is available here: http://download.brother.com/welcome/doc002923/dcp140w_use_soft.pdf . An example of setting the Firewall rules for the Windows Firewall is shown starting on page 85 of the manual.

If your computer is connected to the printer via a USB cable, try a different (possibly shorter 6' or less) USB cable or a different port. If you have the printer connected to a USB hub, skip the hub and directly connect to the computer. Check if other devices work at the USB ports. Sometimes ports do fail; either they can't maintain the needed voltage or they don't keep the cable and pins properly aligned.

I hope this helps.

Cindy Wells
(I have seen the communication issues with stand-alone scanners as well. I saved a perfectly good scanner from the trash when the user failed to check if the scanner worked with other ports.)

Posted on Apr 02, 2015

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SOURCE: My brother printer dcp-165C can't print black

Routine maintenance and keeping full ink tanks will prevent this problem, however if you have the problem you can resolve it by doing the following:
1. Clean your print head using denatured alcohol solvent which can be purchased from most hardware stores. If unavailable, use 91% Alcohol (isopropyl alcohol (first aid antiseptic) which is available for less than a dollar at most Walmart pharmacy departments.

*Warning: You may want to use a pair of latex exam gloves as this is a messy process and can stain your fingers.
Time necessary 45-50 minutes
Supplies needed:
Isopropyl Alcohol or denatured alcohol
paper towels
latex gloves
sink, bowls and or basin
can of compressed air
very small screw driver
tablespoon or baby bulb type syringe
warm water

PROCEDURE:
1. Lift print head from printer. It pulls out easily because it is held in with the same down lever that holds the cartridge in place.
2. Put two layers of paper towels in the bottom of a dish to protect sensitive sprayer heads.
3.Put enough solvent in dish to cover the screens on which the cartridges sit when in use.
4. Take the two small screws out that hold the white ceramic piece
5. Gently, pry the ceramic piece back and away , to reveal the underside (No need to pull away the glued points on the sides.)
6. Gently, move head up and down to slosh solvent around it the best as you can. Use a table spoon or syringe to pour solvent over all orifices in the print head, turning it upside down and then back a few times.
7. Use canned air with a plastic straw to blow into and through all orifices, alternately sloshing/swishing and pouring solvent over head (be careful not to touch any of the holes, screens, or sprayer heads with anything)
8. Empty dirty solvent from bowl and replace with paper towels and clean solvent. Soak for approx 10 minutes. Rinse again with clean solvent poured directly on all parts, letting solvent overrun and fall into dish or basin.
9. Gently shake the solvent off the head, take it outside and spray with compressed air into all orifices to clear out and help evaporate any remaining solvent. Let sit on a clean paper towel for approx 20 minutes. (There may be a little ink bleeding out of the head, but once it dries completely it does not present any problems.
10. Reinstall head, cartridges and it will print like a new printer.

SUGGESTION: For many years of problem free printing, keep a double set of ink cartridges, one set full at all times. Whenever a cartridge runs out of ink, replace it IMMEDIATELY, with a new one or a refilled one. This gives the print head no chance to dry out and create clogged heads. Routine maintenance of cleaning the heads every 24 months does wonders for keeping your printer in new condition.

Hope this helps. .

Posted on Feb 08, 2010

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