20 Most Recent HP Officejet Pro 8500 Wireless All-In-One InkJet Printer Questions & Answers

open the printer up power down, and restart it it should clear the memory

Try reinstalling all of the printer software. If that does not do it then something is wrong with the printhead itself, specifically the area that controls the flow and metering of the black ink.

You can find one here: http://downloadfreemanuals.com/officejet-pro-8500a-manual/

go to HP Support & Drivers

Someone pulled hard on jammed paper to remove it from the printer. This has broken the small plastic paper advancing gear on the left-hand side of the printer (have seen this mistake a number of times). The printer is broken and cannot be fixed, and it is time to purchase a new one. What you and everyone needs to learn from this is to NEVER pull hard to remove paper out of your printer. Be careful, and open the access doors to get to it. We would suggest that you upgrade to an HP 8600 series printer and if you print more than 500 pages per month you purchase an AdaptiveInk continuous ink supply system (CISS). Adaptive Ink Continuous Ink Supply System Home Page Adaptive Ink HP Pigment ERC

Constant jam indication. This gear is more than likely the cause after exhausting all other avenues. Also nearly impossible to get to let alone replace even if HP offered the part. There is a black cover over the clutch assy that can be removed to reveal the gear. In most cases the gear is either sitting in the bottom of the machine or split down one side. This is the second machine that I have diagnosed with this problem in a very short time. If you have this broken gear, consider it toast. Matt / E-tech Copier and printer repair.

Please open the URL and download the manual of HP Officejet Pro 8500. URL - http://h20195.www2.hp.com/v2/default.aspx?cc=us&lc=en&oid=3752454

Hi,If the Printer is printing alignment sheet, You need to re-align the printer one more time. 1.Press the Setup Button2. Scroll to Tools3. Choose clean Printhead4. Let go through the process.5. After the printer has printed alignment sheet, Turn off the printer and turn on.If the issue still persist, Change the cartridges which are low on ink and the printer will re-align itself.Regards,Suhail

Enter printer model on www.hp.com/us or country code.

Forget it HP.. has now found a way to recongnize when a cartridge has been jail broken and will not allow the printer to print. The cartridges have circuits imbedded in them so the printer can recognize the originals from the knock offs. Many are outdone at HP, as they are now dictating what product you can use in the printer. That is why the printers are so cheap. They make up for it in ink.

Hello Sande. Try cancelling the printer job via the control panel in Windows. Also open covers, including the top flatbed half, to view the paper path. There may still be a stray piece stuck in there somewhere. Does this help? Clive.

Try uninstalling the driver and reinstalling it by going to HP's web page. Before doing so, defragment your C drive.

What size paper are you printing on? Reset the side margin to make narrow and see if that helps.