Probably the entire printer must be torn down, and I don't expect you will be able to easily fix the excess play on the paper pick-up mechanism that drive the rubber rolls when pressed on the stack of paper. I suppose that because of excess play (programmed obsolescence?) eventually the cogwheels that drive the drums will slip. When the drums touch the paper, they simply don't rotate. When lifted, you will be able to rotate these drums in one direction. When printing, they are dropped to the top of the paper stack and will engage to separate the topmost sheet off the stack. When not printing, these drums are lifted. It looks like there is too much play in the paper pick-up unit (at the rightmost end inside the printer) on which both pick-up drums are mounted on a single arm. ![]() You most likely hear a grinding noise of plastic cogwheels slipping when the printer tries to feed a sheet of paper. Scenario 1: the pick-up drums do not roll, you hear a grinding noise Thanks much for steering me in the right direction. My printer had little use as I have a second one that I use for everyday printing, so, wanted to save the hp 310 as my good scanner/color/printer. Now works great! Hardest part was manipulating the dabbing of the epoxy on the spline due to working with mirror image. Waited until next morning to try printer. Very carefully slid the gear with fingers back on the shaft spline viewing that it was centered on the mating gear. Mixed some two part epoxy and carefully dabbed small amount on the shaft spline until about 100% coated. Then slid the gear down & off the spline. (can move the gear by hand back in line with the gear train and try once to see if it fixes problem). One small plastic gear slid off the steel shaft 'spline' not engaging drive train. Taped drop light to now top of printer looking at the mirror/gear train. Positioned small flat mirror angled on its edge to view gear train. If you wish to show appreciation for my effort, please click the Thumbs up icon at the bottom of my comment.Stood hp 310a on its side. ![]() If you wish to help others looking for the same solution as you've found, mark the post as Accepted Solution. Please respond to this post with the result of your troubleshooting. Now download and install the full feature software, using the support website. If you see it Click on it and click Remove at the bottomġ1.) Select Apply and Ok on the Print Server Properties windowsġ4 ). (Note: there is a space in between “printui.exe” and “/s”)ĩ.) Look for HP Printer driver. If you see it listed right-click on it and choose ' Delete' or 'Remove Device'Ħ.) Open up the run command with the " Windows key + R" key combo.ħ.) Type printui.exe /s and click Ok. If the issue persists, I would suggest next step would be to uninstall and reinstall the printer drivers:ġ.) In Windows, search for and open Programs and featuresĤ.) In Windows, search for and open Devices and printersĥ.) In the Devices and Printers windows look for your HP printer. Please use this link to help you with that information: This tool can diagnose and fix many printing and printer software related issues. If you’re running Windows, I would start by checking the installed printer software by downloading and running the HP Print and Scan Doctor. Turn on the printer and wait till warm-up period finishes and the printer is idle. Now plug back the power cable straight to a wall outlet without any surge protector or an extension cord and then plug back the power cord to the printer. Wait for 2-3 minutes, press and hold the power button on your printer for about 30 seconds to remove any additional charge. With the printer turned on, disconnect the power cord from the rear of the printer and also unplug the power cord from the wall outlet. In the meantime, let's start by performing a hard reset on the printer. Have you checked if the unit can make a standalone copy? If ‘YES’ then it means the scan hardware of the All-in-One works fine. Have you made any changes on the printer before the issue started?ĭoes the scanner bar move when you open the lid & press the copy button? To provide you with an accurate solution, I'll need a few more details: I'll be really glad to help you with this, ![]() It is a great place to find the help you need, from other users, HP experts, and other support personnel. For you to have the best experience on the HP forum, you could also visit our HP Forums Guide for the First Time Here? Learn How to Post and More.Īs I understand you are having issues scanning on your HP Photosmart C4680 printer. ![]() Hi you for showing your interest in HP Support Forums. Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet.DesignJet, Large Format Printers & Digital Press.Printing Errors or Lights & Stuck Print Jobs.Notebook Hardware and Upgrade Questions.
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