20 Most Recent Brother M 4318 Matrix Printer Questions & Answers


The problem might be with stuck 'pins' in the head. Pins stuck due to clogged ink.


1) Wait until the print head is cool if you have been printing.



2) Place a drop of Isopropyl Alcohol on the front of print head (where the pins are located).



3) Wipe the head with a swab. If the swab becomes dirty, it indicates there is dirt, mainly clogged ink. Use a new swab to clean.



4) Start printing something immediately and check.

Brother M 4318... | Answered on Sep 15, 2011


Try the following steps

1. Unplug power
2. USING THE FINGER HOLDS ON EITHER SIDE, lock scanner cover into open position
DO NOT TOUCH THE ENCODER STRIP (clear plastic strip in front of the white vinyl band)
3. Remove jammed paper/foreign objects (check under the print head; if the print head is in the middle, slide it to the either the left or the right side, & check for paper scraps underneath the print head)
[IF WHEN THE SCANNER COVER WAS OPENED, THE PRINT HEAD IS ON THE LEFT SIDE]
4. Move the print head to the middle
5. With the print head in the middle, remove any ripped paper/foreign objects from the left corner (SINCE THE RIPPED PAPER COULD BE VERY SMALL, USE A FLASHLIGHT TO INSPECT)
6. Close the scanner cover & plug the machine back into the power outlet
[PERSISTENCE OF THIS ERROR MESSAGE OR NO PAPER SCRAPS/FOREIGN OBJECTS FOUND MEANS THAT THE ENCODER STRIP WILL REQUIRE CLEANING]
[IF WHEN THE SCANNER COVER WAS OPENED, THE PRINT HEAD IS ON THE RIGHT SIDE]
7. Plug the power cord back into the power outlet...LCD will show "Cover is Open"
8. Press Stop/Exit for approximately 5 seconds until the print head moves to the middle
9. UNPLUG MACHINE FROM POWER OUTLET
10. USE A FLASHLIGHT & TWEEZERS TO INSPECT: Remove any debris from the right corner
11. USING THE FINGER HOLDS ON EITHER SIDE, close scanner cover & plug machine into power outlet
[PERSISTENCE OF THIS ERROR MESSAGE OR NO PAPER SCRAPS/FOREIGN OBJECTS FOUND MEANS THAT THE ENCODER STRIP WILL REQUIRE CLEANING]

TO CLEAN THE ENCODER STRIP... (clear plastic strip in front of the white vinyl band)
[Markings & debris can adhere on the surface of encoder strip FROM HAND CONTACT &/OR GREASE CONTACT INCURRED FROM REMOVAL OF JAMMED PAPER]
DO NOT USE FLAMMABLE SUBSTANCES NOR ANY TYPE OF SPRAY TO CLEAN INSIDE/OUTSIDE MACHINE
1. Unplug machine from power outlet
2. USING THE FINGER HOLDS ON EITHER SIDE, lock scanner cover into open position
3. Clean both sides of encoder WITH ONLY A DRY, LINT-FREE CLOTH
DO NOT FORCEFULLY PULL ON ENCODER STRIP
DO NOT TOUCH ENCODER STRIP WITH BARE HANDS
DO NOT FORCEFULLY SCRUB ENCODER STRIP (THAT COULD SCRATCH ITS SURFACE)
4. Clean encoder strip from right to left--stopping just before the left corner
5. Clean encoder strip from left to right--stopping just before the right corner
6. Repeat steps 5 & 6 two or three times to clean thoroughly
7. After cleaning encoder strip, USE FINGER HOLDS TO close scanner cover
8. Plug machine back into power outlet.

Brother M 4318... | Answered on Nov 29, 2010


Check your operator''s manual for a reset procedure. If this doesn't work, pull the AC plug overnight, if the error isn't stored in a flash memory, this may help reset it.

Brother Office... | Answered on Aug 13, 2019


I don't have a 7860w, I have a 7840w, but maybe the instructions to connect are the same. From the printer, get into WLAN, then WLAN setup, then do the wireless setup wizard, let it find your SSID, select it, and scroll down to WPA/WPA2, and then when you see the TKIP, scroll down to select AES and put in the password. It should then let you know the connection is successful and you can view how it's connected in the WLAN Status

Brother Office... | Answered on Jul 25, 2019

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