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The HP Officejet Pro 8600 Plus is identifiable by its model number: N911g. Released in 2011, the printer can be identified by its brown finish and touchscreen control panel.

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big stripes when i'm making a copy

hi everyone,

I just encounter an issue since two days, when i'm trying to make a copy directly from the printer itself (both with ADF scanner and normal scanner), you can see the attached picture.

Block Image

I've cleaned the surface window of the scanner, but with no results.

The weird thing is that it only happens when i use the printer only, when i'm printing from the computer, this is fine...

So, any advise will be welcome !

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Hi Donatien,

From your description I'm going to point to the document scanner as the problem. When you make a photocopy, you're actually dealing with two separate systems; the scanner and the printer. Given that you can send documents to the printer from the computer and they work fine, that says the printing system is okay.

So the scanner consists of about three different mechanisms; there's the motor that moves the scanning mechanism when not using the ADF; you've eliminated that as a source of problem because it does the same thing on both flatbed and ADF scanning.

There's the light source that illuminates the document being scanned; that's easy enough to diagnose because if you open the cover and hit copy, you'll be able to see the bright light illuminated across the width of the page. Since you're losing almost a third of the page when scanning, it should be pretty obvious if the light source isn't working right.

The final part of the scanner is the CCD array that reads in the line of pixels. With your set of symptoms it seems pretty definite that's where the problem is on your machine. It could be something as simple as a loose connection on the flex cable that connects the scanner head to the motherboard or it could be a failed CCD array, meaning you'd have to replace the scanning head.

I'll have to leave anything more specific up to someone who has more experience with this particular machine than I do; the information I've presented is of a generic nature common to most multifunction printers.

Hope this helps.

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Hi Jerry Wheeler,

First, thank you for your answer.

Then, i've noticed two more weird things :

1 : when i don't put some document on the scanner, and leave it blank and start a copy, i don't have those stripes.

2 : i've noticed that there is a little red light on the scanner light source

Don't know if it is important or not ?


I'm afraid we've reached the limit of my expertise on your problem, Donatien. Hopefully we'll get someone who has worked on multifunction printers to speak up.

All I have left is the HP help page on scanner issues; I doubt it will be much help, but it's worth taking a look at.


I'd say try step 3, resetting the printer, and step 5, changing the scan settings. Other than those two things, all HP has to offer is to tell you to take it to an HP service center.



Anyway, thank you for the time you spend for me :)


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Donatien DELCROIX wird auf ewig dankbar sein.

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