20 Most Recent HP DeskJet 812c InkJet Printer Questions & Answers


The cables are the easy part. Available at any computer store. If you are looking for the power supply and it's funky cable, try the salvage bin at your local computer store or, Ebay.

HP DeskJet 812c... | Answered on May 07, 2012


Try searching on this site: FixYaThe have most of the manuals for most of the commonly used printers.
If not go to this link:http://www.retrevo.com/support/HP-812c-Printers-manual/id/261dj178/t/2/

I post what I find via Google, there are no guarantees it will have the answer your looking for. Good luck. ;-)

HP DeskJet 812c... | Answered on Jan 29, 2012


You have a bad sensor on the lid that detects when it is open or a short on the board that is stopping it from sensing the lid open or stopping the motor from positioning the carriage as it should. If this unit is over 3 to 4 years old I would replace the unit instead of wasting time with it as the repair will most likely cost more than a new printer will.

HP DeskJet 812c... | Answered on Oct 28, 2011


Lift the Flat Bed Scanner up so that you can find the Cartridges Inside.
Remove the Cartridges from the Printer.
Move the Cartridge Carrier Back and Forth as fast as you can!
Replace the Cartridges back to the Printer!
Good Luck!!!!

HP DeskJet 812c... | Answered on Sep 23, 2011


Hello.

If the cartridges are not moving, it could be an indication of a print head stepper motor problem. The stepper motor moves the print head assembly (print head and ink cartridges) back and forth across the paper.

Wipe the bar on which the print head travels. The motor may not be able to drive the print head through the accumulated gunk. Use a soft cloth and distilled water.

Hope this helps.

HP DeskJet 812c... | Answered on Sep 10, 2011


hi, it maybe your ink problem, becouse after do the cleaning for many time but still cannot, try to use other or new cartridge and see what result, TQ

HP DeskJet 812c... | Answered on Aug 05, 2011


scrap it as you cannot buy spares for this model. HP do not supply parts for this model, srri

HP DeskJet 812c... | Answered on Jul 20, 2011


Please refer to the following document from HP as a reference:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=bud09169&tmp_task=solveCategory&lc=en&dlc=en&cc=us&lang=en&product=58152

Check which case you have, & follow the recommendations for the specific case.

HP DeskJet 812c... | Answered on May 23, 2011


Does the printer go through the motion of paper coming out when you press print. If it does and still no paper then the print heads may be the issue. Sometimes they do not come on the ink catridges. given how old the printer is proll better to replace it. If it doesnt go through the motion then its a software issue and need that fixed maybe by uninstalling and reinstalling.

HP DeskJet 812c... | Answered on Mar 03, 2011


You need to connect the printer to your computer and install the printer driver, then you will be able to print your documents.
You can download the HP printer drivers from their supportWEB site. Please click on this link and
select your model printer to download:- http://welcome.hp.com/country/us/en/support.html

HP DeskJet 812c... | Answered on Feb 28, 2011


The cartridge may be defective, but before returning it, try cleaning the electrical contacts on the cartridge and the printer.
Use a q-tip and distilled or bottled water.
Do not touch the part of the cartridge where the ink comes out, just the electrical contacts (dots) on the cartridge, and the contact points in the printer that they connect to.
After cleaning the cartridge, put it back in. If you still only get one color, replace the cartridge.
If the replacement cartridge does the same thing, call HP tech support.
If the replacement works, call HP and get them to replace the defective cartridge.

HP DeskJet 812c... | Answered on Feb 22, 2011

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