01-02-2018 02:50 PM
HP office jet pro started only printing every third lin and not clear.i replace hte black ink and no change. Are there rollers or anything that might need cleaning?
01-03-2018 04:36 PM
Welcome to the HP Forums, this is a great location to get assistance! I read your post and see that you are getting print quality issues. I would like to help you resolve this issue.
However, I will need a few details to provide an accurate solution,
- When did this issue start?
- Did you do any hardware or software changes?
- How is the printer connected to computer, wired or wireless?
Make sure the ink cartridges are properly vented and seated correctly
Press the Power button to turn on the printer, if it is not already turned on.
Open the ink cartridge access door.
The carriage moves to the center of the printer.
Figure : Opening the ink cartridge access door
Wait until the carriage is idle and silent before you continue.
Press the tab inward on the front of the old ink cartridge to release it, and then pull up on the ink cartridge to remove it from the slot.
Figure : Removing the ink cartridge
Examine the vent area above the HP logo on the top of the ink cartridge.
Figure : Examine the vent area on the cartridge
If the ink cartridge still has the orange pull-tab attached, pull to remove it.
Figure : Remove the orange pull-tab
If the vent is clogged, use a straight pin to gently remove excess adhesive from the vent.
Figure : Cleaning the clogged vent with a pin
With a straight pin, gently remove excess adhesive from the vent
Turn the ink cartridge so that the cartridge contacts face downward, and then match the label color with the color dot on the carriage.
Slide the ink cartridge into its slot, and then gently press the ink cartridge down until it snaps into place.
Figure : Installing the ink cartridge
Repeat these steps to inspect the vents on each of the ink cartridges.
Make sure each ink cartridge is firmly installed in its slot. Run your finger along the top of the ink cartridges to feel for any that are protruding, and if any are, press down firmly until each ink cartridge snaps into place.
Close the ink cartridge access door.
Figure : Closing the ink cartridge access door
Try to print.
Clean the printhead:
On the printer control panel, swipe down to open the Dashboard, and then touch the Setup icon .
Swipe up on the display, and then touch Printer Maintenance.
Touch Clean Printhead, and then touch Continue.
A test page prints.
Figure : Example of the printhead cleaning test page
Examine the test page.
If the print quality is unacceptable, touch Clean Again to continue the next level of cleaning. Repeat these steps for the third cleaning stage, if necessary.
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.
Click here and refer the document to perform the above steps.
Let me know how it goes.
I am an HP Employee
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