MG7520 -- Unchanged missing sections even after the deep cleaning

[billking1984]

The nozzle check patten looks good, but always miss the same areas in all printing jobs.

Please help advise. Thank you! 

[Michael]

Hello,

Make sure that the paper is completely flat when loading it into the printer.  If the paper is not wrinkled before printing and the issue persists, try cleaning the timing strip to see if this will help.  Click THIS LINK for details.

[billking1984]

Thank you so much for following up with my question!

The issue is still there after I cleaned the transparent timing strip, and did another deep cleaning. 

I tried different print jobs, and found this issue (missing section/gap) only happens in black/white color area. All other colors in a combined color print jobs are good. Does it mean I'd better to do something else only for the black head? 

Thanks, 

Bill 

[Patrick]

Hi billking1984,

Because cleaning the encoder did not clear this issue, your PIXMA MG7520 would require service. You are eligible for Canon's Upgrade Program.  This is for out of warranty units which have been diagnosed to require service, or for some reason are incompatible with a new or upgraded system.  This option allows you a one-time opportunity to purchase a replacement product, discounted from the list price.

To help you get up and running quickly, we also offer free standard shipping (if the order is completed by 12:30PM ET).  If you would like to take part in this option, please call our Sales Department at (866) 443-8002 seven days a week, 8am to Midnight.  Let them know you have been working with technical support and the Canon Upgrade Program was offered.