7740 OfficeJet Pro making grinding noise when starting to print

[mdwheeler1]

My 2nd printer 7740 has a grinding sound similar to questions previously asked https://h30434.www3.hp.com/t5/Printer-Paper-Jams-Feed-Issues/4-Month-old-7740-OfficeJet-Pro-making-g... the answer was not sent in the public forum just via a PM to the requester - can I please have the solution

Thank you

[Raj_05]

Hi @mdwheeler1,

Welcome to HP Support Community.  

Thank you for posting your query, I will be glad to help you.

A grinding noise in your HP OfficeJet Pro 7740 printer could be indicative of several issues. Here are some possible causes and steps you can take to troubleshoot the problem.

Paper Jam:

• Check for any paper jams in the printer. Open the printer cover and inspect the paper path for any obstructions. Make sure there are no torn pieces of paper or foreign objects inside.

Carriage Jam:

• The carriage is the part of the printer that holds the ink cartridges. If it's jammed, it can cause a grinding noise. Open the printer cover and check for any obstructions in the carriage path.

Ink Cartridge Issues:

• Make sure that the ink cartridges are properly installed. Open the printer cover and check if any of the cartridges are loose or not seated correctly. If a cartridge is not properly inserted, it can cause grinding noises.

Printer Rollers:

• Inspect the printer rollers for any debris or damage. Clean the rollers with a lint-free cloth and make sure they are not worn out. If the rollers are damaged, they may need to be replaced.

Foreign Objects:

• Check for any foreign objects, such as paper clips or small pieces of paper, inside the printer. These objects can cause grinding noises and other issues.

Printer Alignment:

• Run a printer alignment or calibration process. This can often be done through the printer software or on the printer's control panel. Proper alignment ensures that the print heads and paper are in sync, reducing the chances of issues.

Firmware Update:

• Ensure that your printer's firmware is up to date. Manufacturers often release firmware updates to address various issues, including mechanical problems.

Always refer to your printer's user manual for specific instructions on troubleshooting and maintenance.

I hope this helps. 
 

Take care and have a good day.

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!

Alden4
HP Support