Canon ImageClass MF726CDW Prints Vertical Yellow line on the left side of the page

[patrocle]

I have the Canon ImageClass MF726CDW and it Prints Vertical Yellow line on the left side of the page.

My i had the printer for 2 years and had no problems printing, with same type of toners.

Now for the last few weeks it started to have those vertical yellow line, is not a line, is like 1 inch wide line on the left side of the page...

Here is a picture:

http://i67.tinypic.com/1z3xqv4.jpg

I pulled the toners out from the tray and the yellow toner is the last one, and i am seeing some yellow mark on the big belt or whatever is called that i guess paper goes on it, i clean some ,but i can not turn it, from the front of the printer, unless a back cover can be taken of and have easy access, and also how to release the belt so i can manually turn it and wipe some .

What you think it maybe?

Thanks for any advice.

[patrocle]

No one?....any help, will appreciated!

[Sonya1]

Hello patrocle,

I understand your Color imageCLASS MF726Cdw prints a vertical yellow line down the left side of pages.  If you have not already done so, to restore your print quality, I suggest you clean the fixing unit and transfer belt using your MF726Cdw's operation panel using these steps:

1. Press  and tap <Menu>.

2. Tap <Adjustment/Maintenance>.

3. Tap <Clean Fixing Assembly>.

4. Read the message that is displayed, and tap <OK>.

5. Tap <Start>.

• Cleaning starts. When the <Finished.> message is displayed approximately 1 minute later, press  to return to the <Home> Screen.

Follow these steps to clean the Transfer Belt:

1. Press  and tap <Menu>.

2. Tap <Adjustment/Maintenance>.

3. Tap <Clean ITB>.

4. Tap <Start>.

• Cleaning starts. When the <Finished.> message is displayed approximately 1 to 2 minutes later, press  to return to the <Home> Screen.

 If you need immediate assistance and you're in the USA, please click http://Canon.us/ContactCF for our US-based support. If you're outside of the US, please click http://Canon.us/4xf7 for support options.

Did this answer your question? Please click the Accept as Solution button so that others may find the answer as well.

[patrocle]

Thanks for replying!

I try your guide and looks that did not fix it, it got worse looks like ..., I guess there is something wrong with the transfer belt...that does that.

Both prints where done after your guide.

What next now?

Thank you for your help!

p.

[patrocle]

Any other suggestion? how maby to fix this?

Thanks,

[patrocle]

I guess not...

[Stephen]

If you've followed the above instructions and require further assistance, you'll want to call for support. Our friendly, US-based team can be reached at 1-800-OK-CANON (1-800-652-2666) Monday-Friday 8:00 am to 8:00 pm ET.

[patrocle]

Thanks for reply.

I have sent email to support.

Waiting for a reply.

Thanks.

[krybaczyk]

Hello! I realize your question was from 2018, so I am hoping you received a reply by now! 😉 I am having the same issue with the yellow lines printing down the left side.  Did you ever find a solution?

[RandyB25]

I've been having the same problem for weeks, and it has made the printer literally unusable! The above recommended help did not work at all.