Question about HP Business InkJet 2800 Printer

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How to remove parts.

I have problem to my hp business inkjet 2800 on how to remove the top cover of the printer. i'm serching it in the web. if anyone who can help me where i got the manulas of this unit. pls do so.ty

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  • Anonymous Aug 21, 2008

    how to remove the top cover



2 Answers

Here are service manuals for the business inkjet 2800
You have to register and pay a nominal fee

Posted on May 27, 2008

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Posted on Jan 02, 2017

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How to solve the error: Atention: close all covers, while all covers are closed. for HP bussiness Inkjet 2800 Thanks.

It apparently thinks one of the plastic covers is open so I would check to see if the part on the doors that contacts the sensor is broken or damaged.

Mar 21, 2011 | HP Business InkJet 2800 Printer

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HP Business Inkjet 2800 firmware PMR2006A

Unfortunately the page you are trying to reach is not a valid page. As an HP tech I searched internal for a firmware update on that model and there isnt one available.

Jun 05, 2010 | HP Business InkJet 2800 Printer

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HP Business Inkjet 2800 Printer is displaying *********** in the panel window. It does not go past and does not print.

Discovered bad capacitor on pc board 680uf 6.3 volts. Look for one with the top expanded up. I had the same issue, one $.14 caps later, all is well.

Mar 29, 2010 | HP Business InkJet 2800 Printer

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How to change a fuse in the hp 2800 printer, power up problems

There are 2 fuses inside the power supply unit.

The hard part is getting to the power supply! The power supply is located at the left side of the printer and in the front (the opposite side of the cartridges).
You have to remove the side and top covers.
There are some hidden screws. One is under the button faceplate that you will also have to remove. The entire procedure is tricky especially without a service manual. Unfortunately I couldn’t locate a manual.
Caution always disconnect the power lines and allow some time for capacitors discharge before you attempt any repairs.
I hope you have some luck with yours !!

Nov 13, 2009 | HP Business InkJet 2800 Printer

1 Answer

Hp business inkjet 2800 will not print cyan although have replaced cartridge and run all onboard diagnostics. hp troubleshoot shows no problem yet printer will not print

You say you replaced the cartridge but did you replace the print head. If you fully lift the cartridge cover you will see a row of print heads. The Cyan print head is C4811A. Try replacing this.


If you feel lucky you can run the print head cleaner diagnostics. The print head may simply be dirty or clogged.

Apr 04, 2009 | HP Business InkJet 2800 Printer

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reinstall ur printer software andb then check

Oct 28, 2008 | HP Business InkJet 2800 Printer

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