HP-8600 plus Firmware Downgrade

I just got an 8600 aka CM750A that is rejecting the ink cartridges I bought after the install cartridges got used up. It tells me to get the OEM ones over and over but I got a whole case of these LMI ones, which were much cheaper than OEM. Looks like my version of firmware from what i read is rejecting the cartridges.
The version I have CKP5CN1334ER apparently i need the CLP1CN1322CR in order to get these cartridges to work.
Is there a method to do a forced downgrade?
Heres where i found the info about the firmware conflict and my cartridges:
http://h30434.www3.hp.com/t5/Desktop-Lockups-Freezes-Hangs/HP-OfficeJet-Pro-8600-Plus-Firmware-versi...

The 1322C firmware is available from HP here for the Mac version, here for the Windows version.
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
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Similar Messages

HP OfficeJet Pro 8600 Plus Firmware version not current on the HP Downloads Page

My HP OfficeJet Pro 8600 Plus came with Firmware version CKP5CN1334ER which the printer update says is up-to-date. The HP downloads page shows CLP1CN1322CR as the current version. Can you tell me what the differences are in version 1334 from the one (1322) on the web page?
It would be nice to have the latest version posted for download to prevent confusion.

Same question here.

Can't Downgrade firmware on HP Officejet 8600 Plus!!!

Hi
In my office I have to scan and copy many many Legal size documents per day, I recently have aquired this awesome printer Hp Officejet 8600 Plus
The first day I was able to scan a bunch of 2 sided legal paper, very awesome, but then I upgraded the printer, as always confident with the upgrades, but as a result of that I was unable to scan legal size paper again
I was reading a lot of similar issues, and i Cant believe that this is an official desicion, the printer can perfectly scan legal size papper, so the solution is to downgrade the FW to an older version, but I Cant, I tryed with Jetadmin, with OJP8600_N911gn_1232A.exe, and copying the upgrade file *.ful directly to the printer
And always the same thing:
-in the screen of the printer appears the message (Printing) for a few seconds and then backs to the home screen again
In the computter with Jetadmin it stay on 0% for hours
-With OJP8600_N911gn_1232A.exe and the modded EnterpriseDU.ini Appears an error after 20 minutes, and ask me for reset the printer
-Copying the *.ful file on the Printer, just put the Printing screen on the printer 2 or 3 seconds and then backs to the home screen.
I tryed by USb cable, ethernet and even Wireless
Is a security lock in the new firmwares?
How Can I Downgrade the printer?, is urgent, i need to scan a lot of Legal documents
And please activate the option by our own risk option, for legal scan in the next update, I'm tired and dissapointed...
thanks
This question was solved.
View Solution.

Hello BHVampire,
Welcome to the HP Forums!
I understand you're unable to scan a legal size paper after upgrading the firmware using the Officejet 8600 Plus. I will do my best to assist you! I have just sent you a private message. If you're not sure how to check your forum messages, this post has instructions.
I worked on behalf of HP.

Upgrade to WIN8.1 has downgraded software capability on HP Officejet Pro 8600 Plus

Help! I upgraded my pc to WIndows 8.1 (64Bit) and now I do not have an option in the software to scan a TIFF file or any photo format except jpg or pdf.
I upgraded my HP drivers to no availe.
Also, I seem to be able to only access the HP software through the Microsoft groups (big graphic squares on my start screen). I guess these are apps that have dumbed down the software for my all-in-one HP Officejet Pro 8600 Plus ?

Hello,
Please try the below steps..
uninstall the printer software.
Restart the PC
Please download and run the HP Printer Install Wizard from www.hp.com/go/tools
Regards,
Jabzi
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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.

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 - "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
Please feel free to re-post if you have any further questions or concerns we are here to help.
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Officejet Pro 8600 Plus N911 Tries to Copy from ADF if Lid Covering the Glass is Completely Open

Hi,
I just posted a reply to the following regarding an identical problem that I am having:
http://h30434.www3.hp.com/t5/Scanning-Faxing-and-Copying/Officejet-Pro-8600-N911n-Printer-Tries-to-C...
It occurs to me, however, that the original post I replied to is so old that it is probably better to post my problem in a new thread.
I've borrowed some of the original poster's wording since his explanation of the problem was very clear and concise...
If I have the lid that covers the glass completely open on my HP Officejet 8600 Plus (N911) printer then it usually tries to feed pages from the ADF to copy and then reports a jam since I have not put anything in the ADF. If I partly or completely shut the lidthen it copies from the glass properly. This problem arises when I want to copy pages from a thick book for which it is very incovenient (and not really possible) to hold the book firmly in position with two hands while closing the lid with a third hand.
I think the problem is that the ADF sensors that detect when the ADF is loaded with paper are normally held in the position indicating no paper by gravity. When the lid is completely open it goes past 90 degrees, so gravity causes them to be fall into a position where the sensors are tripped.
We contacted Courtney, a Case Manager on the "HP AMS TCO Escalations Team" and she insisted that the 8600 is able to copy from the glass with the lid open and that our unit must be defective. She sent a new unit, but it had the same problem since it is a design flaw, not a manufacturing defect. When we called her back she did not seem to concerned that the 8600 could not copy with the lid open and did not really want to pursue our problem any further. We asked whether we could switch to an equivalent model that can copy with the lid open, but she said that the 8600 is their top-of-the-line model and there is no equivalent model. In the end, she offered to "buy back" the printer.
Has anyone else had this problem? Is there any fix so that I can copy with the lid completely open? Perhaps a firmware update so the printer realizes that if the lid is open then it should ignore the ADF? I would even be OK with a menu item that lets you disable the ADF.
Does anyone from HP monitor this forum and can they test this out and report the flaw to the design team, or suggest a work-around to me?
Thanks!

Paul,
I noticed that when the cover is completely open (90 degrees), there is a chime sound and the ADF symbol lights up in the upper right hand corner. If I lower the lid a bit, I can press the copy button and get the copy started before the symbol lights up. This is the same chime and symbol that lights up when pages are placed in the ADF.
I tried putting shims (small pads of post-its about 1/8" thick) under the bottom edge of the printer in the back. That is enough to prevent the sensor from engaging the ADF with the top opened fully. Yipee, hands free operation. HP would probably say I voided the warranty.
Maybe the printer was tested on a table that was not level.

Paper jams when being faxed on my HP Officejet Pro 8600 Plus e-All-in-One Printer - N911g

When I go to send a fax, the paper goes in until about half way then the right side begins to wrinkle the paper and jams up. I have tried several things to fix it but no luck.

Welcome to the forums HerkDia ,
I have some suggestions for you to try for the problem you're having with your Officejet 8600 Plus jamming the paper when you fax.
Check out these guides:
Printer Paper Tears, Wrinkles, or is Damaged while Printing from the All-in-One
A 'Paper Jam' Error Displays on the HP Officejet Pro 8600 e-All-in-One Printer Series
The Automatic Document Feeder (ADF) Does Not Pick Up Paper
Update the firmware: Getting the Latest Firmware and Product Updates
Ensure the printer is plugged in directly to the wall outlet, avoiding power bars and surge protectors. This ensures the printer is receiving full power and may help greatly.
If the steps do not help any, I would lastly recommend calling HP to inquire about a replacement or trade in.
HP's contact info:
If you are calling within North America, the number is 1-800-474-6836 and if you are calling outside of the US/Canada,: click here.
Best wishes
R a i n b o w 7000I work on behalf of HP
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HP Officejet Pro 8600 Plus e-All-in-One Printer - N911g can not define a custom size paper.

HP Officejet Pro 8600 Plus e-All-in-One Printer - N911g can not define a custom size paper. I would like to have a custom size to work with a card making program.

Can you help me out?
I have an HP Officejet Pro 8600 N911a
When I try to print to a custom print size (2.75" x 6" in my case), I get the same error everyone else is reporting: "Paper detected does not match paper size or type selected. Make sure the paper size or type is correct to continue the job."
I am currently trying to print using Microsoft Word for Mac 2011 version 14.4.5, but I have the same problem with printing from Adobe Reader 9.8.5 or Preview 8.0.
I am running OS X Yosemite 10.10.
My printer's firmware is "up to date" as of 28-Aug-2014.
This is what I did:
1. Open System Preferences from the Apple menu.
2. Click on the Printers & Scanners icon.
3. Click on the + sign under the list of printers to add a printer
4. Click on IP
5. Enter my IP address in the Address field (verified as "valid and complete host name or address")
6. Ignore Protocol field (default is Line Printer Daemon - LPD)
7. Ignore Queue field (default is blank for default queue)
8. Ignore Name field (default is IP address)
9. Ignore Location field (default is blank)
10. Under the Use dropdown menu, I select "Select Software"
11. HP Deskjet 9800 is not an option.
I searched for 9800, but there is no HP printer with that number in the options.
I tried selecting "HP DeskJet 980C - Gutenprint v5.2.3" to see if that would work, but I received the same error message as above. I tried selecting other random HP printers, but so far I've had no luck.
I've been googling about for a way to manually add a printer driver to this "Select Software" list, but I've found nothing (apparently, no one else wants to do this). I did not find a driver download for the HP DeskJet 9800 for OS X Yosemite 10.10 on the Drivers & Software section of the hp.com website.
Additional details on settings for Microsoft Word for Mac 2011 version 14.4.5:
Selected File > Page Setup from menu
Under the Paper Size drop down menu, I selected manage custom size.
- Click + to add a paper size
- Enter "2.75" in width and "6 in" height in the paper size fields.
- Enter "0 in" as the User Defined Non-Printable Area for top, left, right and bottom.
- Double-clicked Untiled in the custom size list and rename the size as Receipt
- Click OK to return to the Page Setup dialog box
Under Settings: Page Attributes:
- Format for "HP Officejet Pro 8600"
- Paper size: Receipt
- Orientation: "tall/portrait"
- Scale: 100%
- Click OK
Select Format > Document and set all page margins to 0.25"
Thank you.

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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My HP Officejet Pro 8600 Plus printer will not recognize my wireless router passwrd

My printer was working fine but when I turned it on today it wouldn't connect to my wireless router. I try inputing the correct password and the printer gives me this message......"the WPA security passphrase configured on your HP printer does not match your wireless router setting" .
I have entered the password several times and I know what I have entered is correct

Hi @Southglen,
Welcome to the HP Forums!
I noticed that your HP Officejet Pro 8600 Plus printer will not recognize your wireless router password. I am sorry to hear this, but happy to help!
I would recommend to go through this guide, How to Find the WEP or WPA Key or Password for Your Wireless Network, just to double-check your wireless password, in case it might have changed.
I would also suggest a hard reset, by going to this post How to perform a Hard Reset, by @Rich1.
After those two steps, I would suggest a firmware update, Getting Printer Updates for HP Officejet Pro 8600 (N911), Officejet 6600 (H711) and Officejet 6700 P....
Let's start with these steps, and we will go from there!
RnRMusicMan
I work on behalf of HP
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Thin horizontal black line at BOTTOM of page when scan on HP Officejet Pro 8600 Plus

I owned an HP Officejet Pro 8500 and scanning was perfect. I recently purchased an HP Officejet Pro 8600 Plus.
When I scan from the HP 8600 auto document feeder, I get a thin (several pixel wide) black line along the bottom edge of the resulting scan. This line will sometimes be slighly crooked or only appear across half the page, in which case it tends to get thicker toward the edge of the page). I believe this line is an artifact from scanning the very bottom edge of the oroginal document. I think it is showing where the bottom edge of the page was when scanned. If the document is a little skewed, then the black line at the bottom will be a little crooked, probably following the edge of the page. This problem is consistent, and repeatable. It happens in both "Scan To E-mail" mode and "Scan To Network Folder" mode.
When I scan from the flat bed, I get a very narrow black line along the very top edge of the resulting scan, but the bottom appears fine (although I've not tested this extensively).
These thin black lines did not occur when scanning from the HP 8500.
I am wondering if there is a setting to adjust this, or if it is a firmware difference between printers that needs debugging.
This question was solved.
View Solution.

I find it interesting that the issue happens across both printers. This is what leads me to believe this is something with the software/connection with the PC. One thing I will note is that you mentioned above using Adobe Reader 10.1.6. The latest version of Adobe Reader is 11.0.02. I would advise removing your current version of Adobe Reader and install the latest version.
I am not sure if this will fix the issue as you mentioned the line comes across in jpeg and other scanning styles. Do you possibly have another PC you could try setting up a connection with quickly and attempting a scan? This would be another way to ensure if the issue is coming from the printer or a connection/software issue.
I would like to make sure the issue is coming from the scanners on these printers before returning the printers as I would hate for you to get another model printer and the issue remain with this printer as well. However, I will note that the Laserjet Pro 200 is a nice series printer from my experience. I have used the Laserjet Pro 200 black and white only edition, the MFP, and the TopShot edition where I am located.
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HP Officejet Pro 8600 Plus suddenly has scan malfunctions

I have an HP Officejet Pro 8600 Plus which has worked fine up to one week ago. Now and for no apparent reason the scan function has decided to work intermittently. Whenever I use the HP software and use the scan option, the scanner starts up and does its pre-check, starts to scan and then either stops halfway or scans the document/picture but then saves a blank file or PDF afterwards.
I have done a semi-full reset on the printer and set it up again. No change. I have completely deinstalled all HP software, rebooted, reinstalled - no change. I have stopped and started services - no change.
This is driving me crazy as I bought the printer less than six months ago and was up to now pleased with it. All other functionality is working correctly. I can copy documents in a few seconds, printing works fine.
Tried to do a firmware update - message received that it is not applicable. Updated HP Software to newest version. No change.
I am using Windows 8.1 64 bit.
I would like to try a full reset, but don't have this option only the semi-full reset, when I access the service menu. If I cannot resolve this, then I am afraid it will be the last HP printer I ever buy as this has really cheesed me off.
Please help!

I don't wish to be the proverbial bearer of ill tidings but....after spending entirely too many hours talking with several HP tech support "technicians" and on HP support chat sessions with other "technicians," I can tell you that, so far, no one at HP has a clue how to solve this problem. Several times tech support used a remote session on my workstation, but after lots of "trial and error" efforts succeded in restoring the scan function only by running the HP Print and Scan Doctor. I have found that the HP Print and Scan Doctor will always restore the scan-to-computer function - it's a nuisance, but so far nothing else will do the job.
When the 8620 quits scanning, sometimes immediately after successfully scanning multiple documents, I find that my router "sees" the HP 8620 and I can successfully ping its IP address. I can even print(!) but the 8620 seems to be oblivious to its network connection for scanning.
Tech support has offered the usual "solutions" like: turn off the 8620 and turn it on again, update thr firmware, reinstall the driver, use an Ethernet or USB connection (which defeats the purpose of Wi-Fi), and even doing what I took to be a "hard" reboot (unplug the 8620 while power is on, wait 60 seconds, hold down the power button for 30 seconds, plug the AIO in while holding the power button). So far no one has suggested re-installing Windows.
Tech support even insisted that the cause of the 8620 failing to maintain its connection to the network was my having the 8620 draw its power through a multiple outlet power strip. Willing to try just about anything short of examining chicken entrails, I now have the same failure to scan with power coming directly from a 20 amp circuit outlet.
There was a time when a short call to HP tech support fixed the rare problems with HP products.

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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Hi, when copying/scanning color image/text to black and white, the output should be in shades of gray. Are you seeing something else?
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Although I am an HP employee, I am speaking for myself and not for HP.

HP-8600 plus Firmware Downgrade

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