Remove and reinsert the cartridges One or both of the cartridges might not have full electrical contact with the carriage. See your browser’s documentation for specific instructions. Perform a power reset Follow these steps to reset the product. Lightly dampen the swab with the water, and then squeeze any excess liquid from the swab. The print side, or shiny side, of the paper is not loaded in the tray face down.

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Adjust the paper settings in the print driver The product might not pick up paper if the paper size and type in the paper tray do not match the size and type settings in the print driver.

This tool applies to Microsoft Windows PC’s only. In the Width and Height boxes, or the Width and Length boxes, type the dimensions. Check the estimated ink levels Follow these steps to check the ink levels, and then replace any low cartridges. Reload the paper Open the top cover.

Printer Specifications for HP Deskjet Color Inkjet Printer Series | HP® Customer Support

If the product prints when plugged directly into a wall outlet, the power strip or surge protector might not provide sufficient power to print. One or more of the values entered is not permitted. Perform a power reset Follow these steps to reset the product. Rear access door edskjet. The self-test report prints. No software or drivers are available for this product with the selected operating system.


Check the condition of the paper.

Even small pieces of paper can cause paper feed issues. Contact HP Support to schedule a repair or replacement.

If print cartridges have been installed, verify feskjet plastic tape covering the ink nozzles has been removed.

Try to print a self-test report after every solution even if the solution appears to resolve the issue.

HP Deskjet 3840 Printer series Troubleshooting

Wait until the warm-up period completes before continuing. Press the Power button to turn on the product.

To solve the carriage jam, try each solution in this document, and then use the steps in this section to print a self-test report to determine if the product hardware functions correctly. Click the tab that provides paper type and size settings. Even small pieces of paper can cause paper feed issues.

How to use the solutions in this document A carriage jam can occur for a number of reasons, such as obstructions in the path of the carriage, a paper jam, or even issues with the product software.

The paper trays are empty or overloaded. If any are missing, stuck, or loose, replace the rear access door with a new one.

HP Deskjet Printer series | HP® Customer Support

Duty cycle The duty cycle of this printer is 20, pages pages per month. How does HP install software and gather data?


If the h; is stuck on the right side of the productmove the carriage to the left side of the product. The printer carriage does not move from the left side of the printer and the printer light blinks when the printer is turned on. For the purposes of these troubleshooting steps, use only 10 to 25 sheets of plain white, unused paper.

Printer Specifications for HP Deskjet 3840 Color Inkjet Printer Series

Reload the paper Open the front cover. Dwskjet the power cord. Then, try slowly pushing the paper farther in until the roller engages to pick up the paper.

Asia Pacific and Oceania. Hold the cartridge so that the nozzles face down and the contacts face toward the carriage.

Exact speed will vary depending on the system configuration, software program, and document complexity.

We are unable to determine your warranty status for the product and serial number provided. The quality of the labels can also make a difference.