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New Contributor
Posts: 1
Registered: ‎01-20-2015

how to fix double printing of letters?

[ Edited ]

When printing, some lines come written with double letter effect: For example, the word "bad" looks like "bbaadd". The letters are so close that are almost on top of each other. This does not happen to all of the text on the page, but to many lines.

Printer is MX922.  Print from Word doc (or any text editor) onto plain paper.

Already did all the steps in the Maintenance window (ie. cleaning, head alignment, nozzle check, etc...).  No help.

Product Expert
Posts: 1,984
Registered: ‎10-17-2012

Re: how to fix double printing of letters?

[ Edited ]

Hi travisvu,

 

Since the alignments and cleanings did not work, you can try cleaning the encoder strip of the printer to see if this will resolve the issue.  To do this, please follow the steps located here.  

 

If you still experience difficulty after cleaning the encoder strip, the printer may require servicing; please call or email us at one of the methods on the Contact Us page for further assistance.

Did this answer your question? Please click the Accept as Solution button so that others may find the answer as well.
SCB
New Contributor
Posts: 1
Registered: ‎11-03-2016

Re: how to fix double printing of letters?

I have the exact same issue with a MG7120 and your hyper link to cleaning the encoder strip below does not seem to work. Where can I get the instructions on how to clean the encoder strip for a MG7120?

 

Many thanks

 

SCB

New Contributor
Posts: 1
Registered: ‎09-10-2017

Re: how to fix double printing of letters?

I'm having same problem as above on MG5500.  The link with instructions is not working.  Has anyone had success in fixing this?  Advice please?

 

Thanks so much!

L

New Contributor
Posts: 1
Registered: ‎10-24-2017

Re: how to fix double printing of letters?

[ Edited ]

I am having the same issue now for a while.  Yesterday I removed the print head cleaned it to get all the old ink out. I wiped the ribbon as suggested.  It still prints letters with a shadow.  

 

Has anyone found a solution? 

New Contributor
Posts: 1
Registered: ‎12-23-2017

Re: how to fix double printing of letters?

I am having the same issue with my MG5420.. letters printing ddoouubbllee
New Contributor
Posts: 1
Registered: ‎09-17-2016

Re: how to fix double printing of letters?

Link to support fix does not work.

Moderator
Posts: 1,349
Registered: ‎07-08-2013

Re: how to fix double printing of letters?

Hi, taybird!

 

Thanks for catching that.  Since that reply was posted in 2015, we've overhauled our web sites and some of the old links no longer work.  We've updated the link above and you can also reach it HERE.

 

We hope this helps!

New Contributor
Posts: 2
Registered: ‎04-26-2018

Re: how to fix double printing of letters?

It’s anyone’s printer printing ok now after cleaning the encoder strip?
New Contributor
Posts: 3
Registered: ‎05-23-2018

Re: how to fix double printing of letters?

Hello! I had the same problem on an MG7170. Tried everything in the canon FAQ and nothing worked. I was going to throw the printer away when someone pointed me to "extreme printhead cleaning". I was told it was how the printer repair shops (not canon authorised) do it. With nothing to lose, I tried it and it totally worked! The printer now prints like new with perfect alignment on all colors including PGBK.

 

Here's the video illustrating the method:

https://www.youtube.com/watch?v=yYuBv0wgbPk

Note: Pay attention at around 8:35. You must flush until you get a clean, smooth spray to clear all clogged particles because the clogged particles are what's causing the jets to misalign.

 

Another example: https://www.youtube.com/watch?v=J61WxOduqQg

 

If you have a spray steamer (I don't), you can try that too:

https://www.youtube.com/watch?v=sq6EN5il2AA

 

Good luck!!

 

Note1: This problem has nothing to do with the encoder strip otherwise it will misalign on all colors.

Note2: This problem mostly happens on PGBK because pigment ink unlike dye ink dries with a hard residue.

 

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