Officejet Pro 8600 Plus: Scan to computer doesn't work with Win8.1 [solved: problem with USB3 Boost]

Since I installed 8.1 (pro), I can't use my 8600 Pro software for scanning to the computer (via USB). It looks like there is no communication with the printer as for the scanning software, but printing works as usual.
Tried to use the HP Printer Assistant: when I click the "Scan a Document or Photo" button, I get a "Scanner Unreachable" message. Also after a restart of the printer.
When I try to scan from Photoshop, the system first finds the printer but then fails to connect to it.
HP Update says that my system is up to date.
HP Print And Scan Doctor 4.2 finds and shows the printer on the Welcome panel and seems to be able to communicate with it, to a point.
It gives me a "Driver error" (sorry if is not called so in English--it takes over my keyboard language, which is French and says "Erreur du pilote") and states that no communication could be established between the scan driver and the printer, and that I should reboot the computer...
So I did and reran the Doctor software, which gave me the very same error message. This time, I clicked "Ignore" and let it do its things. It ran a "Scan Test" twice and indicated that everything was fine or had been repaired. But strangely nothing happened on the printer during those "tests". And at the end, as it offered me to make a scan test myself, I clicked OK and I had the "Scanner Unreachable" error message again.
So I made my scans on an USB key, as I had to do a few times already, and that went very well. But I'd be glad to have that "Scan to computer" function back. How?
This question was solved.
View Solution.

Hi ajmch,
I am sorry to hear that you are still having a scan issue. What antivirus program are you running on the computer? Can you try to scan through Paint and Windows Fax and Scan on the computer? When you run the HP Print and Scan Doctor what error message are you getting?
In this document for Windows: HP Scan Software Does Not Open or Scan on a Printer Using a USB Connection are steps for checking the WIA and for checking software.
You can also Use the System File Checker tool to repair missing or corrupted system files that may resolve this issue.
Let me know if this helped.
Thank you,
I worked on behalf of HP.

Similar Messages

HP OfficeJet Pro 8600 Plus - "Scan to Computer" issue on Mac OSX 10.8 or 10.9

Hi...
I have started experiencing the notorious "scan to computer not working" issue on my 1-month OfficeJet Pro 8600 Plus, after having used the feature a number of times flawlessly.
There are a lot of potential solutions mentioned in dozens of relevant posts for both Mac and Windows, e.g.:
"Failed to open a session on the device"...
Scan to computer does not work...
Problem scanning to computer with an 8600 wireless
Unable to enable print to computer...
Enable Scan to Computer - Communication Error
Officejet Pro 8600 Utility does not show my Mac computer in scan settings
A 'Connection Error' or 'No Computer Detected' Error Message Displays during Scanning
HP Wireless All-in-One Printers - Communication Error between the Scanner and Your Computer...
Etc.
However, in my case, no solution works, after several frustrating hours of trying to fix the issue, in Mac OS X Mountain Lion (10.8), or after upgrading to Maverics (10.9).
The behavior of the device points to a software issue, since:
The printer is visible on the network
The print function has been working fine
The HP Scan function works
The generic Scan function from System Preferences works (although in earlier times it did not, or it stopped working soon after invoking it)
The "Scan to Computer" option does not appear in the HP Utility screen (although occasionally, after random sequences of unistalling and installing the software, it reappears)
The HP Installer crashes before completing the installation (this is a latest symptom, apparently happening before unvoking the HP Setup Assistant, which still works fine)
As already mentioned, I have tried all possible solutions, including software and firmware updates, Apple drivers, HP drivers (full featured software), clean (un)installations, followed by computer and printer restarts. Nothing seems to work.
The "Scan to Computer" feature of the 8600 always works on my Windows 7 laptop, after initial configuration.
The next step will be returning the device for a refund, but before resorting to that, I am giving it a last chance, in (the unlikely) case there is something new I have not tried yet.
Thanks,
PNS

facman
I am linking you to an HP Support document titled “Uninstalling the Printer Software” below. I am also providing you the link to the HP software for your printer titled “HP Officejet Pro Full Feature Software and Driver - Mac OS X 10.6, OS X 10.7, OS X 10.8” below as well.
Follow the first document and uninstall the software. Reboot the computer than download and install the linked software. This should resolve your issue.
Uninstalling the Printer Software
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c02259020
HP Officejet Pro Full Feature Software and Driver - Mac OS X 10.6, OS X 10.7, OS X 10.8
http://ftp.hp.com/pub/softlib/software12/COL44234/mp-107214-1/Officejet-Pro-8600_v12.23.0.dmg
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I work on behalf of HP
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Officejet Pro 8600 Plus - Scan software doesn't have 8.5x11 letter size option

Just bought a new Officejet Pro 8600 Plus.
The included HP Scan software will only let me choose A4 or A5 paper sizes (as well as 6x4, 7x5, 8x6, 10x8). No 8.5x11 option, which is what I want to use most often. (this is from the dropdown options after clicking the "Scan..." button)
Is there something I'm missing? I'm generally pretty good at figuring this stuff out, but I haven't even seen this issue mentioned on forums, so I'm confused.
Also, when using the Scan To Computer function directly from the printer, I get the same result - it will scan my 8.5x11 document and output an A4 size file.
I'm running Mac OS X 10.6.8. I have installed all software and firmware updates I could find. I have my printer's region set to Canada, and bought the machine from a Staples in Canada. Wondering why I can't use any North American size formats?

@Simple1234 - I have reinstalled the software from HP's website, and no change. (it's actually the same version that came on the installation CD - 12.23).
@Sethaniel - I have definitely tried every combination of settings in those drop down lists, so that's not it.
Ruling out OS issues, my girlfriend is running 10.8, and the HP software is doing the same thing on her computer.
Using the System Preferences scanning method, I can choose paper sizes if set to scan from document feeder. If I change to flatbed, I have the option to manually type in the dimensions I want, but then I'm forced to manually drag the crop area to which 8.5x11 portion of the flatbed it will scan. Again, there's no way to just have the flatbed scan a letter size document automatically when placing the page at the top corner of the flatbed, where it shows you to place the page for letter size.
This seems like the most basic function of a scanner! I'm really perplexed by this. I would imagine most people in north america would just want to place an 8.5x11 sheet of paper on the flatbed and have an easy way to scan the correct size with no added fuss.
Printing works fine, and I can choose letter size, and many adjustable settings, so I think this is just a problem with HP's scanning software. I have tried all the usual basic steps, like restarting my computer & the printer, reinstalling software, running software update, looking through all the settings in the HP Scan software, any global settings I could change in System Preferences, tried using a different computer and OS X version, googling the issue, and posting on this forum.
Any other ideas?

HP Officejet pro 8600 plus Scans show up as blank pages on Macs okay on PCs

Scans made on HP Officejet Pro 8600 Plus show up okay on PCs buas blank pages on Macs. Any ideas? I can copy them into Publisher and then save it from Publisher as a pdf and Macs get it okay. Prefer not to have to do this

Hi @JimmyParker
I would like to help you scan to your Mac. I understand that currently your scans are showing up as black pages, but only when you scan to the Mac.
I suggest uninstalling and reinstalling the software. Please use the instructions below to complete a more comprehensive uninstall than the basic uninstall.
Scrub/ Uninstall
Open the Applications folder > HP or Hewlett Packard folder > HP Uninstaller
Click continue, click on one of the printers in the list.
* Only do this step if you do not have any other HP Printers. Hold down Control, Option and Command, While holding the three buttons down,
Click uninstall.
Reset Printing System
Click the Apple icon (   ), and then click System Preferences.
In the Hardware section, click Print & Fax/Scan. The Print & Fax/Scan dialog box opens.
Right-click (or  Ctrl  +click) in the left panel, and then click Reset printing system…
Click OK to confirm the reset.
Type the correct Name and Password.
Click OK to reset the printing system. The Print & Fax dialog box shows no printer selected
Note: This will remove all printers in the print and Fax/Scan, any printer removed can be re-added later by clicking the plus (+) symbol.
Repair Disk Permissions
On the Dock, click Applications, and then click Utilities.
Double-click Disk Utility.
Highlight your hard drive/partition on the left (by default this is "Macintosh HD").
Click the Repair Disk Permissions button at the bottom of the window.
Once the repair is complete, restart the computer.
Restart the printer. Now you can download and install the printer software and install it.
HP Officejet Pro 8600 series Full Feature Software and Driver- OS X 10.9 Mavericks
HP Officejet Pro Full Feature Software and Driver - Mac OS X 10.6, OS X 10.7, OS X 10.8
When you add the printer, please ensure you are using the HP driver.
Select Add other Printer or Scanner
Select the printer you are adding and next to 'Use' you can the printer driver
Please let me know if you can scan now. Thanks.
Please click the Thumbs up icon below to thank me for responding.
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Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Sunshyn2005 - I work on behalf of HP

HP Officejet Pro 8600 not scanning to computer

My HP Officejet Pro 8600 is not scanning to my computer HP computer, Windows 7. This has worked fine for quite some time, not sure what happened to change it. It is a wireless connection but the printer works, and I can scan to a memory card just not to the computer. The printer software doesn't give me the option of opening the scanner. Another program said the scanner is not enabled but nobody has touched the computer! Any suggestions in language I can understand would be greatly appreciated!

Too bad nobody answered yet. It sounds like some simple troubleshooting can help narrow down the problem, but I'm no expert and all I can suggest is to try posting the question to http://answers.microsoft.com/en-us/windows/forum/windows_7?tab=Threads.

My HP Officejet Pro 8600 Plus all-in-one doesn't scan over my wife network anymore

I have a wi-fi network in my home which works fine for internet on my laptop, and I used to be able to both print and scan over this network just fine. I can still print using the network, but can no longer put stuff into the document feeder and go back to the laptop and use the scan function. The scan function actually no longer even appears on the icon I used to have for it, only the print function.
The scan function does not appear in my device manager (control panel), in either the image devices or the printer devices area.
I have tried to uninstall and reinstall this device several times in many different ways and even tried to obtain the updated driver from the internet. I was successful a few months ago in reinstalling the device and retrieving the ability to control the scanner from the laptop. Now I can only reinstall the printer function, periood.
How can I get back the scanner function on my laptop to use over my wi-fi network? Of course my warranty for service expired earlier this year.

Good day and welcome to the forums, @MSRantal
I read about how you can no longer scan over the network from your Officejet 8600 Plus, to your laptop, and I will do my best to help you out. I have some questions to get started.
I would like to know:
Which operating system you are running on your laptop?
Are you able to scan to another computer over the network?
Have you tried plugging in a USB to the laptop and scanning?
If yes, did a USB connected scan work?
Have you tried scanning after disabling your firewall and/or anti-virus?
When you install the printer, do you see any error messages (or does the install completed successfully)?
If you do not have your printer plugged in directly to a wall outlet, try that.
Hoping to hear from you!
Happy Tuesday!
R a i n b o w 7000I work on behalf of HP
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HP Officejet Pro 8600 cannot scan to computer

i have had this printer for over a year with the same computer. i have windows 8. there have been no recent upgrades that have been done on the computer but it says the scan to computer is disabled. i use this feature almost daily for my job, it worked perfectly 2 days ago. it is connected wirelessly and the wifi connection is good. i have restarted the wifi, the printer, the computer, reset the wifi on printer, updated the IP address from the printer to the computer, downloaded the HP scan doctor, and nothing has fixed my problem. my windows connection manager is running, my system event notification system is running (i read other forums that said theirs were disabled and running them solved the issue)

Hi @TJA13,
Welcome to the HP Support Forums. I gather that you are no longer able to scan from the printer to your computer using your Officejet 8600 printer.
I have included the A 'Connection Error' or 'No Computer Detected' Error Message Displays When Scanning for HP Officejet... document. Please click on the section for Windows 8 and follow the steps.
Please let me know the outcome.
Regards,
Happytohelp01
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I work on behalf of HP

Officejet pro 8600 plus scan black

HP officejetpro 8600 plus
windows 8.1 64bit upto date drivers and firmware, reinstalled all hp software.
when copying/scannig to color works fine, when copying/scanning to black and white it shows/prints all black
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View Solution.

Hi, when copying/scanning color image/text to black and white, the output should be in shades of gray. Are you seeing something else?
If my answer was helpful please click on the "Thumbs up" button on the left to say "Thanks".
Click "Accept as Solution" if it solved your problem, so others can find it.
Although I am an HP employee, I am speaking for myself and not for HP.

OfficeJet Pro 8600 Plus Connection Issues

My boss stricly uses his iPad and has the Officejet Pro 8600 Plus for wireless printing. However, he's been having major problems printing. The iPad appears to see the printer on AirPrint, but nothing is getting printed. We've tried connecting the printer directly to our network, and it still won't print. We even got a new wireless router (Linksys E900 Wirless-N300 Router) but that has not seemed to help with the issue. I previously had the officejet 8500 and had multiple problems with it connecting wireless, to the point we just got rid of it. Are there any workarounds other than getting a new printer?

Hi,
Airprint uses Apple's Bonjour which relies on Multicasting.
From my experience, Linksys routers do not have Multicast enabled by their default configuration.
Try modifying the router configuration by entering the router homepage (Its address should be the same as the Default Gateway listed on the printer once clicking the network icon.
From the router config click Security.
Check the checkbox next to Filter Multicast and Save the settings.
Reboot the router and check for any change.
If the issue persists I would also recommend checing for any firmware update to your router, those can improve Multicast traffic handaling in many cases..
Hope that helps,
Shlomi
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Will my hp officejet pro 8600 plus print from my ipad.

will my hp officejet pro 8600 plus print from my ipad.?
This question was solved.
View Solution.

Hello,
Yes. Try following the instructions here http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02623193&cc=us&dlc=en&lc=en&jumpid=reg_r1002_us...
If that does not help, let me know and I will see what I can do.
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HP Officejet Pro 8600 Plus losing wireless connectivity, cannot scan to computer

In our office, we have roughly 4 computers using the HP Officeject Pro 8600 Plus, all of which are connected wirelessly. The printer was previously connected to the internet wirelessly with no problems. A couple of days ago however our computers started randomly disconnecting. The printing function would work for a bit, then disconnect. I found the only solution to this problem was to hit the button on our wireless router that resends the wireless signal out for connectivity.
We hardwired the printer with an ethernet cable and I myself didn't see any further problems regarding connectivity but a couple of the other computers had spotty connections. Again, each time this can be remedied by hitting the button on the wireless router.
Today however we had an additional problem, after trying to scan a document through the automatic document feeder, the printer said it was jammed (although it wasnt). When we went to rescan, the scan to computer function was no longer working. I can scan by hitting the scan button on my HP Printer Assitant interface, and I can also scan to email, but cannot scan to computer.
I have gone through several forums and haven't been able to find a solution. I personally use Windows 8, but other people in our office are using older versions of Windows. We've tried unplugging, restarting, hardwiring, resetting wireless settings, uninstalling, etc. etc. Before a few days ago the pritner was working fine for a number of months.
If anyone has any ideas they would be greatly appreciated.

Hi rtaw,
Welcome to the HP Forums!
I understand that you cannot scan to computer, and that you are losing wireless connectivity, with your HP Officejet pro 8600 Plus. I am happy to help you with this issue!
Please take a look through this wireless guide. Printer Does Not Maintain Wireless Connection.
For the scanning, please see this guide. A 'Connection Error' or 'No Computer Detected' Error Message Displays during Scanning.
Hope this information helps you, and let me know if you have any more issues!
RnRMusicMan
I work on behalf of HP
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Configuring "Scan To E-mail" on HP Officejet Pro 8600 Plus N911g

This is the same issue reported by several other users in this forum to which no solution has been provided.
I have been unsuccessful in setting up the scan to e-mail option for a HP Officejet Pro 8600 Plus N911g purchased on August 12th 2012 and using the firmware CLP1CN1150CR.
I am trying to do this through the Embedded Web Server interface to the printer from an iMac running Mac OS X 10.6.8 and HP Utility 5.8.0. More specifically the page under "Scan -> Scan to E-mail -> Outgoing E-mail Profiles".
I have tried 2 different SMTP outgoing servers, each of which works well to send e-mail from the computer: Apple iCloud e-mail service (formerly known as Mobile Me, formerly known as .Mac) and AT&T Net e-mail service. I verified that the server name, port number and authentication login/password values were all correct.
When scan to e-mail is used from the printer, I get an error message: Cannot connect to server. Check server name and address.
When tested from the computer during the setup of an outgoing e-mail profile, I get an error message: The device could not send the test e-mail message. (EmailAccounts-timeout).
When I try to configure the page under "Settings -> E-mail Alerts -> E-mail Server" and use exactly the same values as the ones in the outgoing e-mail profile above, the Save and Test option fails with an error message: The device could not send the test e-mail message.
Interestingly enough, I am able to use the computer's e-mail client with the option Scan To Computer -> E-mail as PDF or E-mail as JPEG. With this option, the file is scanned and added as an attachment to a mail message from the Mail client under Mac OS X. When I press the Send button, the e-mail is sent successfully through the same SMTP server.
All the error messages seem to indicate that the printer's e-mail client software is unable to establish a connection to the SMTP server. However, it is not clear what configuration parameter is the one that could be causing the problem.
This question was solved.
View Solution.

After further research, I noticed that there are other possible default Simple Mail Transfer Protocol (SMTP) port values:
Port 25 is the standard SMTP port number.
Port 465 is the port number for SMTP over SSL, Secure SMTP (SSMTP).
Port 587 is the dedicated port number for a Mail Submission Agent (MSA) that uses a variant of the SMTP, as specified in RFC 6409, which requires that clients are authorized and authenticated to use the mail submission service.
I had been using port number 25 as this is the standard one. However, all tests were failing. Hence, I decided to try the tests with ports numbers 465 and 587.
Port number 465 failed with the same errors listed above. However, the tests passed with port number 587. After saving the successful configuration with port number 587, I tried the scan to e-mail option from the printer and it worked.
A mail submission agent (MSA) is a computer program or software agent that receives electronic mail messages from a mail user agent (MUA) and cooperates with a mail transfer agent (MTA) for delivery of the mail.
Historically in Internet mail, both MTA and MSA functions use port number 25. However, many Internet Service Providers (ISPs) and enterprise or institutional networks restrict the ability to connect to remote MTAs on port 25.
With a dedicated port 587, it is always possible for users to connect to their domain to submit new mail. Availability of a MSA on port 587 enables nomadic users to continue to send mail via their preferred submission servers even from within others' networks. Using a specific submission server is a requirement when sender policies or signing practices are enforced.
I know that many users may find the technical details boring or confusing, but I just wanted to include some background to those who actually care about this level of detail. I also wanted to provide a possible solution to other users who are experiencing the same problem.
So, in a nutshell, if the Scan To E-mail option is not working for you using port number 25, then try one of the other SMTP port numbers listed above. If none of them work, check your mail provider for other possible outgoing server port numbers.

Macbook Pro running Maverick doesn't recognize Officejet Pro 8600 Plus as a scanner

I am a new user to the Macbook, transitioning from Windows. I started with a preexisting Offciejet Pro 8500 but couldn't get it to work and discovered there were no Maverick drivers. I then bought and installed the Officejet Pro 8600 Plus wirelessly. I downloaded the HP software package for Mac. I can print. I can scan from the printer to the computer. I can use the HP Scan utility (although the HP apps folder also contains the 8500 apps and I'm not sure which is which). However, under System Preferences Printers and Scanners it only lists the 8600 as a printer and faxer; it does not appear under Scanner. And I cannot access it using PDF Converter for Mac, either. And it refuses to scan an entire legal page, stopping at the letter page limits, whether I use the document feeder or just place it on the glass.
( I also cannot figure out how to set up Network scanning - it asks for a folder address and I am not familiar with iOS nomenclature.)

Hi lahrm
I understand you are having issues scanning on the Maverick.
I will be happy to assist you with this.
I have included a document for how to scan on the Maverick.
I have provided a document for connection issues.
This document provides directions for scanning to a network folder.
If you need more assistance just let me know.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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Gemini02
I work on behalf of HP

Unable to Completely Scan Legal Size Documents with Officejet Pro 8600 Plus

I am trying scan legal sized documents on my new Officejet Pro 8600 Plus. I have reviewed the forums, and this has been a recurring problem in the past (see link--- http://h30434.www3.hp.com/t5/Scanning-Faxing-and-Copying/Scanning-Legal-Size-Documents/m-p/35416#M14... ), but does not appear to be resolved. Whether I use the document feeder or the glass, the document is cut off at the bottom, and appears to be stopping at the 'A4' size, vs. legal. I cannot locate any setting on the scanner itself, or in the HP Utility software to change this, or even to be able to identify the current setting, if it is one.
I am using a Mac Pro, system 10.6.8, just installed and started using the printer a couple of days ago, and everything is up to date software-wise. Everything else on this machine has been working beautifully.
Can anyone identify what's going on here and how to correct it?
Thanks for your help--I specifically chose this particular unit over the next model down due to the legal sized glass/bed, and if I can't use it to scan legal docs, well, that's a problem. Thanks for your help!
This question was solved.
View Solution.

Hello,
Please try the following steps:
1. Open the HP Utility and select your device.
2. From Scan Settings open the "Scan to Computer".
3. Click the "Scan Tasks" tab.
4. Select the Scan Shortcut used to scan, then click Edit.
5. In the section of Scan from an HP Device click on the blue triangle to enlarge the menu.
6. From the enlarged menu now open the drop-down menu next to Crop To and set as None.
7. Click OK and try scanning again.
Please let me know of any change,
Shlomi
Say thanks by clicking the Kudos thumb up in the post.
If my post resolve your problem please mark it as an Accepted Solution

Officejet Pro 8600 Plus won't print or scan wirelessly using Mac OS 10.

Mac OS 10.9
Wireless
My printer was working fine until today. Then when I used the control panel to scan a page I went through the steps and got to scanning and got the message I needed to enable "Scan to Computer" in the HP Utility. I went there and it was unchecked. Seems I had this problem every time I did a new scan job in the past. It wouldn't retain than check. So I checked it and after awhile I got the message "Communication Error" and to check my connections and if that didn't work restart my computer and printer. I did that and also restarted the router but it didn't help.
Then I tried printing from Word, which has always worked but it didn't this time. The printer icon on the right of the dock came up, bounced a few times then disappeared with nothing happening on the printer.
So I deleted and reinstalled the printer. No help. I downloaded and installed HP software and firmware updates. No help. I went through wireless setup. No help
BTW, all along I got good "Wireless Network Test" results. I says it's connected but nothing happens when I try any functions of the printer.
If I can find a USB cable I will try to see if wired works.
Any suggestions would be appreciated.

Hey @neoflyer,
I would like to assist you today with resolving the wireless printing and scanning issues you're experiencing on your HP Officejet Pro 8600 Plus e-All-in-One Printer on your Mac OS X 10.9 Operating System. You mentioned that you have powercycled the devices, reran the wireless setup, and uninstalled and reinstalled the software and drivers to no avail. I'm going to suggest a few additional troubleshooting steps to verify if this is a computer issue or a network issue.
Step 1: Gather the IP and Open the EWS:
1. On the screen of your printer select the wireless button:
2. Under the Wireless information you should see your IP address
3. Open up your internet browser on your Mac computer and in the website address bar just type in your IP address. Please do not include www.
4. After you enter your IP address in the website bar go to that website
5. If the website for your printer opens than that proves with 100% certainty that your printer and computer are 'talking' to each other on your wireless network. If the website fails to open than you have a network communication issue with your router.
If the website fails to open please powercycle your network again:
How to Properly Powercycle a Network:
First, unplug the power cable to your Router
Once your Router is unplugged, turn off your printer
Next, shut down your computer
After 30 seconds to 1 minutes, plug your Router back in
Next, turn on your printer
Turn on the computer
After a few moments check on your computer and ensure that the internet is working. Once it is, hit the wireless button again on the printer to see if your printer got a new IP address. Using the IP address enter it in the address bar of your internet browser and now see if the website for the printer opens.
If the website for the printer opens successfully please follow the steps below:
Step 1: Uninstall Drivers and Software:
From the computer desktop, double-click the Macintosh HD, and then click Applications.
Click the Hewlett-Packard folder.
Double-click the HP Uninstaller, and then click Continue.
Select the product to uninstall, and then click Uninstall.
When prompted, type the Administrator name and Password, and then click OK.
From the Macintosh HD menu, click Users.
Click the correct user name.
Click Library.
Click Preferences.
Click and hold the cursor on the first file that starts with "HP," and then drag the file to the Trash icon on the taskbar. Complete this step for each file that starts with "HP."
Close out of Preferences.
Click the Trash icon on the taskbar, click the Empty button, and then click OK to empty the trash.
Step 2: Verify and Repair your Disk Permissions on the Mac:
Open Macintosh HD and go to Applications
Go to the Utilities Folder
Open the Disk Utility
Select the Hard Drive volume you are using (usually on the left)
Select Verify Disk Permissions
Once that process is done, select Repair Disk Permissions
Step 3: Check for Apple Updates:
Go to Apple
Select System Preferences
Select Software Update
Click Update Now
Install your available updates
Restart your computer
Step 4: Reinstall your Software and Drivers:
1. Please click the following link to download the appropriate Mac OS X 10.9 drivers for your printer: Mac: HP Officejet Pro 8600 series Full Feature Software and Drivers
2. Once downloaded, run through the step by step screens to reinstall your network printer
3. Once the printer is reinstalled, attempt a print and a scan!
Please let me know if these steps resolved your issue. Thanks for reaching out to the HP Support Forums. Good luck!
X-23
I work on behalf of HP
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Officejet Pro 8600 Plus: Scan to computer doesn't work with Win8.1 [solved: problem with USB3 Boost]

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