Question about Brother MFC 420CN All-In-One InkJet Printer
One by one, each color has been coming up close to empty, and then need to replace. The yellow said close to empty for a long time, so I went ahead and replaced it, however the read out never asked "did you replace yellow?" and it continues to say yellow is close to empty. I ran the cleaner a few times to see if that would fix it. Then today, it said the yellow ran out, so I opened the machine and reinstalled the yellow. Then the read out showed black is close to empty, so I reinstalled it (because it's not close to empty) and now the read out shows "No Cartridge" and is totally disabled. Any ideas?
Yes. Unplug machine from power. Wait 5 minutes. open scanner and take all the carts out. close scanner. plug machine to power again. machine will do the start up cleaning. Machine demands carts. insert NEW carts and give the answer in case you are asked by machine.
Do only change the carts when machine stopps for EMPTY cart. As long as it shows Nearly Empty everything is alright.
The machine has a drop counter and counts the ink drops down to zero when the flag is raised within the (nearly) empty carts. In case you take them out at that moment and reinsert again the ink inside will splash and raise the flag again. Control logic will be in trouble....
Posted on Nov 29, 2007
Tips for a great answer:
Your machine is equipped with an ink dot
counter. The ink dot counter automatically
monitors the level of ink in each of the 4
cartridges. When the machine detects an ink
cartridge is running out of ink, the machine
will tell you with a message on the LCD.
The LCD will tell you which ink cartridge is low
or needs replacing. Be sure to follow the LCD
prompts to replace the ink cartridges in the
Even though the machine tells you that an ink
cartridge is empty, there will be a small
amount of ink left in the ink cartridge. It is
necessary to keep some ink in the ink
cartridge to prevent air from drying out and
damaging the print head assembly.
a Open the ink cartridge cover.
If one or more ink cartridges are empty,
for example Black, the LCD shows
Ink Empty Black and
b Pull the lock release lever down and
take out the ink cartridge for the color
shown on the LCD.
c Open the new ink cartridge bag for the
color shown on the LCD, and then take
out the ink cartridge.
d Remove the protective yellow cap (1).
If the protective yellow caps come off
when you open the bag, the cartridge will
not be damaged.
e Each color has its own correct position.
Insert the ink cartridge in the direction of
the arrow on the label.
f Lift each lock release lever and push it
until it clicks, and then close the ink
g If you replaced an ink cartridge, the LCD
may ask you to verify that it was a brand
new one. (For example,
Did You Change Blck?) For each
new cartridge you installed, press 1
(Yes) to automatically reset the ink dot
counter for that color. If the ink cartridge
you installed is not a brand new one, be
sure to press 2 (No).
If you wait until the LCD shows
Near Empty and Ink Empty, the
machine will automatically.
Find this on page 113 of the manual:
Click on this link or copy and paste the complete link into your browser.
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