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Michelle
Michelle, Printer Expert
Category: Printers
Satisfied Customers: 2742
Experience:  B.Sc. Computer Science with Honors
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my Brother MFC-420cn "unable to clean, no signs of any small

Resolved Question:

my Brother MFC-420cn "unable to clean, no signs of any small paper or dust, have blown out also.
please help.
thanks,
dc
Submitted: 1 year ago.
Category: Printers
Expert:  Michelle replied 1 year ago.

Michelle :

Hello. My name is XXXXX XXXXX I will be assisting you today.

Michelle :

move the print head and examine under the print head.

Michelle :

Disconnect the Brother machine from the poweroutlet.
Open the scanner cover

Michelle :

Check the print head's position.

In the example photo the print head is positioned at the left hand side of the platen area.

Michelle :

let me know which side the print head is

Customer:

can you please call me, i don't see print head, i don't see any picture you referance--XXX-XXX-XXXX

Michelle :

did you open the scanner unit

Customer:

what do you mean by "scanner unit"

Michelle :

let me post a picture

Michelle :

Full Size Image

Customer:

print head is on right side

Customer:

how do i move it

Michelle :

unplug the power cable and try to move it manually at the center

Customer:

unpluged, the head is far right out of touch, what do i touch to make it move

Customer:

can you please call me , it would be a lot easier

Michelle :

i am trying to post a picture please wait

Michelle :

Full Size Image

Customer:

no hepl

Customer:

no help

Customer:

call me

Michelle :

cannot call no calling facility

Michelle :

update me i will walk you through

Michelle :

did you see the print head at the extreme right side

Michelle :

try to pull it out manually and bring it at the center

Customer:

it is under the picture of the directions to hold the cover open and i don,t know what to touch to try and move it

Michelle :

do you see a black box on the right side of the printer

Michelle :

thats the print head

Customer:

yes

Michelle :

The print head is positioned at the far right hand side, if you cannot move it. The machine has a mechanical malfunction and will require repair.

Michelle :

if you can move it then the error will change as you connect to the power

Customer:

my problem is i can't get hold of it to try and move it

Michelle :

you mean you dont have much room to put your finger on it and pull it out is that correct

Customer:

yes

Michelle :

when you have no room and you cant access the print head and unable to move manually as per the picture that means the printer has a broken gear which moves the motorized belt back and forth

Michelle :

the printer would need a printer repair technician to replace the broken part or the head moving belt is broken.

Customer:

i have it to the center, now what

Michelle :

how did you pull it at the center

Customer:

i have it to the center

Customer:

i wiggled it and it came over to the center

Michelle :

connect the power cable and let me know if the head moves to the left

Customer:

with the cover open

Michelle :

yes

Customer:

with cover open, it stays in center

Michelle :

is the power on now

Customer:

it says the cover is open

Michelle :

close the cover and tell me if the error is still there

Michelle :

open the cover again and check where the print head is

Customer:

it says unable to clean...

Michelle :

open the cover again and check where the print head is

Customer:

and print head is back over to right

Michelle :

pull it back to the center when the power is unplugged

Customer:

ok

Michelle :

use a flash light and examine under the print head the carriage rail If anything is found, which might obstruct head to move at the left remove the part.

Michelle :

and if there is nothing then the encoder strip of the printer needs a replacement.

Michelle :

Encoder stip is a plastic film line strip which runs at the back of the print head from left to right if that has gone bad then the printer needs a new encoder strip.

Customer:

now what

Michelle :

The encoder strip a part which you will not be able to replace it till you know how to open the full printer cover to access the carriage rail

Michelle :

you would need a printer repair technician to get the job done

Michelle :

if you can tell me which start are you from i can locate a repair technician.

Customer:

thats ok,

Customer:

i guess we are finished

Michelle, Printer Expert
Category: Printers
Satisfied Customers: 2742
Experience: B.Sc. Computer Science with Honors
Michelle and 14 other Printers Specialists are ready to help you

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Michelle
Michelle
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B.Sc. Computer Science with Honors