PIXMA G6020 Not Printing Dark Cyan

[tobyspill]

I have a Pixma G6020 that is printing every color except dark cyan. I have done ink flushes, cleanings, deep cleanings, but every Nozzle Check returns the same. I even replaced the print heads and flushed the cyan tube, and it still doesn't print dark blue

Ink looks to flow through the tubes without issue. What could possibly be going on here? Any ideas?nozzle-check.jpg

[DerrickL]

The G6020 does not use a separate “light cyan” ink. It has one cyan tank, and the pale-blue band in the nozzle check is normal cyan output. In your photo, the dark cyan band appears fairly uniform, so the issue may be caused by the file, driver, or color-management settings rather than the color print head, certainly not the black print head. I suggest you run a nozzle check from the printer panel not the computer, if you have not done so to double check the print head. 

Printing a Nozzle Check on the Canon G6020

To perform a nozzle check on your Canon G6020 printer, follow these simple steps:

Steps to Print a Nozzle Check

1. Access the Control Panel
   Turn on your Canon G6020 and locate the control panel.

2. Navigate to Setup

   • Press the Setup button on the control panel.

3. Select Maintenance

   • Use the arrow keys to scroll to Maintenance and select it.

4. Choose Nozzle Check

   • Find and select Nozzle Check from the maintenance options.

5. Follow On-Screen Prompts

   • Follow the instructions displayed on the screen to complete the nozzle check process.

[tobyspill]

Yes, I am aware that it doesn't use a "ligher" version of each ink. If you look at the photo that I attached, you can see Magena has 2 lines, dark and light. Yellow has 2 lines, dark and light. 

The Cyan has only a "light" line - no dark line.

An earlier comment listed a whole ton of steps... I ran through them. No change (seems you edited your comment to change them to the current comment). There is ink in the Cyan tube, and if that tube was blocked, wouldn't there be no cyan lines at all?

All checks and operations have been done on the printer itself, not from the computer.