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HP OfficeJet Pro 7740 Wide Format All-in-One Printer

Hi. When I print I am getting a black line down the right side of the paper. I've realigned printheads and made sure paper sizes match up. Help!

2 REPLIES 2
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Hi @Helpneeded223,

 

Welcome to the HP Support Community. 

 

I understand that you are facing issues with print quality. I'd like to help!

 

Step 1: Use genuine HP ink cartridges

 

HP recommends that you use genuine HP ink or toner supplies. HP cannot guarantee the quality or reliability of non-HP or refilled cartridges. If you do not use genuine HP cartridges, the steps in this document might not resolve the issue. To check the authenticity of your cartridges, go to the HP anti-counterfeit webpage (in English).

Purchase replacement cartridges and other supplies from the HP Store or local retailers.

If installing genuine HP ink cartridges resolved the issue, you do not need to continue troubleshooting.

Step 2: Make sure you are using the appropriate paper for your print job

Make sure the paper you are using is appropriate for the print job. If it is not, reload the printer with an appropriate paper type.

NOTE:

To purchase paper in the United States and Canada, go to the HP Store.

Load the paper print side down in the input tray. Many papers have printing and nonprinting sides, such as photo paper and envelopes. Usually, the smoother side is the "print side," and sometimes the non-print side has a logo of the paper manufacturer on it.

Do not use wrinkled or curled paper. Use only clean, wrinkle-free paper.

Do not use wrinkled paper

Use the correct paper type for your project.

For everyday text documents, plain paper with ColorLok technology works well. Paper with ColorLok technology is industry-standard paper that works well with HP ink.

ColorLok logo

For documents with dense printing, such as high-contrast graphics or photos, use HP Advanced Photo Paper for best results.

Some papers might not absorb ink as well as others. If your prints smear easily, make sure you are using a recommended paper.

Store photo paper in its original packaging inside a resealable plastic bag. Store the paper on a flat surface in a cool, dry place. Load 10-20 sheets of photo paper only when you are ready to print, and then put the unused paper back in the packaging.

Try using a different paper. This determines if the problem is related to the paper.

Try to print. If the issue persists, continue to the next step. Click here for the remaining step. 

 

Hope this helps! Keep me posted for further assistance.


Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!

Nal_NR-Moderator
I am an HP Employee

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Hi @Helpneeded223

 

As we did not hear from you, I'll be closing this case for now. Hope I was able to fix the issue. If you need further assistance, feel free to reach out to us.

Nal_NR-Moderator
I am an HP Employee

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