Scanner error 5 on HP Color Laserjet 2840 - HP LaserJet 2840 All-In-One Printer

My Color LaserJet 2840 will only print on the right side of ...

h30434.www3.hp.com > ... > Scanning / Faxing

Apr 26, 2011 - 2 posts
I have a HP Color LaserJet 2840. If I am ... My Color LaserJet 2840 will only print on the right side of the page, how can I fix this? ... If I am copying or printing from the computer, the printer will only print the right side of the page. ... something obstructing the laser scanner blocking that side of the media path.

HP 2840 printing problem ' FixYourOwnPrinter

www.fixyourownprinter.com/posts/46992

Feb 1, 2010 - ... Apr 19, 2007 at 10:57am. 0. HP Color LaserJet 2840 ... I have the same issue as above-Not printing on the left side of pages.I went threw the ...

HP Laserjet 2840, various problems ' FixYourOwnPrinter

Hi Edward,

This guide seems to illustrate & show all user-replaceable parts:

http://www.manualslib.com/products/Hp-Color-Laserjet-2840-238593.html

HTH!

I noticed that this was posted in Oct 2010. If you are still waiting for an answer,
the printer has a scanner error. Power off for about 30 seconds. Power on, if
error persists, the scanner assembly will have to be replaced.
I hope that you got it fixed by now!

The scanner bed needs to be replaced. You can order the part from HP but it is not a user replaceable part. You can also take it to a local printer repair shop.

A tech needs to look at it. It could be as easy as just reseating the 4 wire bundle connector that comes off the scanner and connects to the formatter.
But, in any event a tech has to check it out.

I had this problem and it had to do with the scan bulb head not recognising the marker. My temporary fix until the bulb is replaced is to turn the printer off, open the top (ADF and all) with the gray button on the right so that it's slightly raised and then switch the printer on. When it comes up, just close and print/scan/copy as usual. Apparently the spring in the arm warped the interior surface where the head moves and it can't line up when it's closed. Hope this helps.

The device has experienced an internal hardware error. Recommended Action

1. Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the device to initialize.
2. If the error is still unresolved, contact Hewlett-Packard for technical support to troubleshoot the problem. Call HP for telephone support

You have a bad scanner assembly. Very expensive to get fixed

After the hp color laserjet has finnished initiallizing it gives me error code 6

The error your having caused by the scanner assembly in the Auto Doc Feeder. The part is not real difficult to replace however it is not cheap. Here's the part number: Q3948-60191.

The part is available through HP online at http://partsurfer.hp.com for $130.76 plus shipping. It is also available (probably a little cheaper) from Seattle Platen, Dale - 1-800-221-2388.

We have been sucessful a couple times in disassembling the lower (scanning) section of the Auto Doc Feeder and thoroughly cleaning all mirrors and lenses. It's about 1 in 8 that will clear up the issue. Replacement is 100% cure.

Here's a free copy of the HP 2820/2840 service manual that will help you in the disassembly.

http://www.feedroller.com/Store/Service%20Manual/Color%20LaserJet%202820,%202830,%202840%20Parts,%20Service%20Manual.pdf

Hope that helps solve your printer issues. :)