pro 6830 not printing blue(cyan)

[AstaFriday]

pro 6830 not printing blue(cyan), ran print quality diagnostics (looked normal) and changed ink. This problem also happens in the copy mode, I run OS. I don't make a lot of color copies, not sure when it started.

[Raj1788]

@AstaFriday

Thank you for joining the HP Support Community

I suggest you do a Hard Reset on the printer.

(1) Turn the printer on, if it is not already on.

(2) Wait until the printer is idle and silent before you continue.

(3) With the printer turned on, disconnect the power cord from the rear of the printer.

(4) Unplug the power cord from the wall outlet.

(5) Wait at least 60 seconds.

(6) Plug the power cord back into the wall outlet.

NOTE: HP recommends connecting the printer power cord directly to the wall outlet.

(7) Reconnect the power cord to the rear of the printer.

(8) Turn on the printer, if it does not automatically turn on.

The printer might go through a warm-up period. The printer lights might flash, and the carriage might move.

Wait until the warm-up period finishes and your printer is idle and silent before you proceed.

Clean the printhead

   CAUTION: 

Never turn off the printer when ink cartridges are not installed. To avoid issues that require cleaning the printhead or that can damage the ink system, always replace ink cartridges as soon as possible, and always turn off the printer using the Power button.

1. Load plain white paper into the tray.

2. On the printer control panel, swipe the display to scroll to Setup, and then touch the Setup icon .

3. Swipe the display to scroll to Printer Maintenance, and then touch Printer Maintenance.

4. Touch Clean Printhead.

   A test page prints.

5. Examine the test page.

   • If the print quality is unacceptable, touch Clean Again to continue the next level of cleaning. If necessary, repeat these steps for the third cleaning cycle.

     NOTE: 

     If the printhead is badly clogged, it might require another cleaning cycle. If so, wait 30 minutes before you perform all three levels of cleaning again.

   • If the print quality is acceptable, touch Done.

Refer to this document: https://support.hp.com/us-en/product/hp-officejet-pro-6830-e-all-in-one-printer-series/5390307/docum... for Black or Color Ink Not Printing, Other Print Quality Issues.

Let me know, how it goes!

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Have a great day!

Cheers:)