Aug 3, 2023 · If the black print quality of your HP ENVY Photo 6234 All-In-One Printer is bad, there could be several reasons behind the issue. Here are some steps you can take to troubleshoot and improve the black print quality.

If you notice that your print quality is uneven, too light, too dark, or there are vertical or horizontal lines in the print (banding), try these solutions: Run a nozzle check to see if any of the print head nozzles are clogged. Then clean the print head, if necessary. Align the print head.

If the print quality is poor, follow the steps below to determine the best FAQ to resolve the poor quality: 1. Print the test sheet: a. Hold down Home for approximately 5 seconds until the machine's display shows Serial No and ROM Version. b.

Aug 14, 2019 · The print quality from the black ink is very poor - I printed off some printer info pages & could hardly read them. The colour seems ok

Run the Head Cleaning utility. If colors are still incorrect or missing, replace the color ink cartridge. If the problem persists, replace the black ink cartridge. See Replacing an Empty Ink Cartridge. Do not use ink cartridges beyond the expiration date printed on the cartridge package.

Clean the print head or roller. Dust or dirt on the print head or platen roller may prevent it from turning freely. To see how to clean the print head or roller, click here. Adjust the printing density. The print density can be specified in the Printer Setting Tool. Connect the printer to be configured to the computer.

Mar 4, 2025 · I think the DV pull is related to the light copy problem especially if they have the light black copies and prints and then run out of toner. shortly after putting a new toner in, the DV unit empties itself.

Improve poor print quality. Follow the instructions that apply to your issue. If your printed pages have a horizontal or vertical line in the text or graphics (as shown in the illustration below) or blank text, some of the nozzles may be clogged and need to be cleaned.

The procedures in this document should help with print quality problems such as smeared, fuzzy, dark, or faded print, and loose, partially missing, or scattered toner. Step 1: Use genuine HP toner cartridges. HP recommends that you use genuine HP ink or toner supplies.

Mar 15, 2019 · The printhead could be clogged, and you might need to clean the printhead several times to restore print quality. Use the automated tool from the printer control panel to clean the printhead. On the printer control panel, swipe down to open the Dashboard, and then touch the Setup icon