COST OF PRINT HEAD?

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HP Officejet Pro 8500 : Use scanner without print heads/cartridges

Hello.
I have a HP Officejet Pro 8500 (CB023A) that I bought specifically because of the automatic duplex scanner. Buying a scanner with automatic duplex instead of this multifunction printer was out of the question because the cheapest one costed over ten times more than this multifunction printer (and they still do).
I can no longer afford to keep buying print heads and cartridges just to use the scanner, as this multifunction uses ink for scanning!!! But that is beside the point.
I have read in other posts about taping sensors but I was thinking about going a little further and completely remove the printing part of the multifunction. Anyone knows if I can just disconnect the printing part from the circuit board? Or will I have to fiddle with software? Maybe some hidden option in the "Mfg Commands" (accessible by pressing * and # with the printer on) or some other hidden feature?
Considering that this multifunction takes way too long to boot because of all the print head checking/cleaning/etc, with a little luck, without the printing part the boot time will decrease to almost nothing .
Before I start disassembling I would appreciate some advice, specially if someone else has already tried it.
Thank you in advance.

Hello kamath27. Thank you for your reply.
I apologize for not replying sooner but I wanted to try and disassemble the multifunction before replying instead of just replying with an acknowledge.
Also, sorry for such a long post but I wanted to be as detailed as possible.
However, before describing what I did and found, I want to clarify something.
With the multifunction in the same condition it came from the factory, if I remove one print cartridge, or one is empty, the multifunction stops on boot with a message requesting to change the cartridge before continuing and there is no way to bypass it. When this message shows, pressing any button on the multifunction or the screen yields no result (there is no OK button displayed on the multifunction screen). It was always like this and firmware updates never solved it.
And going to the printer control panel on the connected computer says that the printer is offline even if it is connected through USB and is displayed in device manager as a connected USB device. This is the reason why I had spent so much money buying ink that I do not use. I never print anything on this multifunction. All prints that the multifunction ever performed were a dozen or so of maintenance align and test pages.
Now for what I did. I disassembled the multifunction just enough to take out the main circuit board, the wireless board, the buzzer and the door sensors. I set up the printer half and the scanner half side-by-side with the main circuit board in the middle, reconnected everything and turned it on in order to test if anything stopped working during disassembly. Everything was OK and the multifunction worked as normal (printed a test page and scanned it to the computer).
Next, while facing the main board the same way it would be faced while mounted in the multifunction, I started disconnecting the connectors (except the ones that belong to the scanner half) one by one from left to right in the following fashion: With the multifunction OFF, I disconnected one connector, turned the multifunction on, waited for any message or the main screen, tried to print a test page and then scan it, and finally disconnected the multifunction, reconnected the connector and moved on to the next one.
The results were:
- disconnected the tray feeding sensor -> Allows to boot with a paper jam message that can be bypassed with an OK on the screen. Can not print because of the alleged paper jam but can scan.
- disconnected the pump -> Allows to boot but a message keeps popping about pump motor stalled. Can be bypassed with an OK but pops right back and all jobs get aborted. Can not print or scan.
- disconnected the printer motor -> Oddly, no messages. Allows to boot and scan but not print. This was strange because when trying to print there is no message in the printer and the software on the PC only said the printer was busy. I would think the printer would eventually display a message saying the print carriage was jammed or something but nothing happened after 10 minutes. I might test again later as one test may be interfering with the next.
- disconnected the print cartridge door sensor -> Stops on boot with a message to close the door. Does not allow to print or scan.
- disconnected the print cartridges connector -> Stops on boot with message to replace cartridges. Does not allow to print or scan.
- disconnected the print heads connector -> On boot briefly displays a screen with the image of the power button and the code "C00E0060" below. Then the screen turns white and all buttons on the multifunction start blinking. It is as described here but resetting the multifunction, reconnecting the connector and turning it on took it back to operational condition.
- disconnected everything except for the scanner connectors and the tray and door sensors - Gives the exact same behaviour as the previous test (code "C00E0060").
So, from the tests it seems that I can not use the scanner if anything from the printer half is disconnected. Any ideas on how to circumvent this, if possible?
Thank you.

Printer heads for Officejet Pro L7590

I've never had a printer with printer heads before. Can someone please explain what is good/bad about them and what kind of yield I can expect out of them since replacing them is expensive. Is the printer head that comes with the machine the same as what you buy as a replacement? I went into Staples with one request with my new printer.....direct me toward the machine that will cost me the least in ink replacement for home use, mostly b&w printing. When you just look at the price of the ink cartridges for what they yeild, it looks like a great idea to go with this machine.....I knew nothing of the printer heads though!
Thank-you.

A Printhead is the accessory that actually drops the ink on the paper. In older printers, The cartridges themselves had integrated printheads, so the ink was dropped from the cartridge itself. In this printer, the print cartridge and the printheads were made separate accessories. The ink from your ink cartridge travels to the printheads through the ink tubes, and the printhead drops it on the paper. You wont have to replace the printheads as much as the print cartridges, because the source of the ink is the cartridges, and not the printheads. You don't need to replace the printheads unless the printer tells you that there's a problem with it. You dont have to do any cleaning or maintainance on it, as the printer itself does it all. Just don't forget to replace the cartridges once they run out of ink.
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HP 3520 All in One Printer. Print head not moving

Hello my Printer has a serious problem. The print head was slamming to the right side, and now it totally does not move. My printer may be past warrently or voided because it was opened up to clean up a bad ink spill inside at one point. It worked for awhile after. But now it is totally not doing anything. I had to remove the top to remove the cartridges. I do not see any obstruction inside the printer.
I know the cost of repairing it is probably more than replacing it. Posting here and seeing if someone can come up with some suggestions before the printer is disposed of.

Hi peteym5,
Sorry to hear about your problem.
Before you dispose the printer, I would like to suggest you take it to a nearby HP service center and see
if they can be of any help or service. It probably won't cost anything to have an engineer diagnose the problem
and provide you with any options. Let me provide you with the information and hope you get some answers.
http://www8.hp.com/us/en/store-finder/index.do
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Photosmart 8230. How do you Remove the print heads for cleaning?

Hi guys, I have a Photosmart 8230. After a few lines of printing the black ink fades to almost nothing, all the colours are perfect. There are no error messages. I have done the self cleaning and alignment procedures and wasted a lot of expensive ink. The test page comes out with streaks on the black only. It has been suggested that I take the print head out and immerse it in hot water as a last resort. The question is, how do I remove the printhead? or should I use it as a sea anchor!!
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I just did this to a HP Photosmart 8250 which is in the 8000 series range. I assume they are similar. I was an appliance repair man and have done a lot of other tings in my life, so I decided to take a shot at repairing my 8250 rather than junk it. For 3 Years it was great, only one paper jam, and fast great photos, so I didn't want to give up on it. HP will not repair printers for us, I think because it is too labor intensive, and they can sell a new one for what it would cost.
I actually fixed my HP Photostat 8250. Its working but the color printing is not as good as it was, yet, but I am hoping that will improve as all of the colored inks work their way through the system.
Taking one of these apart and putting it back together is like a Chinese puzzle, so its appropriate that they are made in China. Most of the parts inside can be easily damaged if you are not careful. The covers have very clever ideas to their design and how they snap in place. Take your time with the covers and use small tools.
Getting it back in working condition is another matter. There is a 6 circuit pump and more than a few feet of tubing. I had the side covers off while I tested it and this pump seems to work in both directions. This pump is inside the left side cover. There is another motor with a timing wheel of some kind that stops and starts in both directions at the same time the printhead carriage is whipping back and forth printing. There are other motors also. These things are ingenious. It is surprising that I bought it for less than $100 on sale. It looks like a $1000 piece of equipment inside.
It would probably be a good idea to not remove the left side cover, but if you do, be very careful around the clear timing wheel. it looks delicate. Below is from an email I sent to a friend and I am revising it to make sense. Remember this is something that really requires training to do this, but I see people today that have the guts to tackle all sorts of projects, so for what its worth, and you asked.
Under the right side cover is a motherboard, with a bunch of cables plugged into it, small, larger and even ribbon cables. I found it necessary to remove the motherboard. I had a bit of experience working on Canon printers and I would also suggest you take digital pictures as you go so you can view them on your PC. I am also going through this because I don't like being told we can get anything repaired correctly today, its ridiculous that these printers have become just more throwaways. If you want to do this, as a guide, I must have spent 8 to 10 hours doing this, but now I could do it again in 2, that is the learning process.
Once you get the top off the printer, you will see the printhead carriage. The carriage will be to the right side. The printhead is retained by two screws at the front, (take pictures) a spring clip at the rear and two screws that hold a plastic cover over the six ink hoses that plug into the printhead, its a manifold strip affair. You have to unplug the manifold to remove the printhead, but now I am not 100% sure its necessary to remove the printhead? The ink gunk you will see after you move the printhead to the left is no doubt most of the problem.
Probably after the hot water treatment as described below, the built in printhead cleaner will be able to resume cleaning the printhead, after the hot water cleans the gunk from IT.
I removed the printhead like I say below, but first do this. Under the printhead there is a little carriage with a patch of foam rubber that cleans the print head nozzles.This little device works back and forth while cleaning, but while it is parked, with the printer off, it is forward and you won't be able to move the printhead. Use a flashlight to be sure and you will see how to push the cleaner carriage to the rear and then move the printhead carriage to the left. THEN, you will see the gunky ink mess that has accumulated. This gunky mess I think is the main problem. There are also some felt pads below the cleaning device to absorb some of the ink gunk. I don't know how the HP techs do this, but I used the hot water method below, I had nothing to lose. I would move the printhead first and then you can decide about removing it. I would make sure not to get any of the electronics wet and why I removed the motherboard and why I say take photos. Its hard enough to remember where the different screws alone go, when you are doing this. It can be done, mine is working, even if not perfectly, YET. You need to be very careful with your fingers, because it is hard to find space to hold onto the printer and whay it might be a good idea to not remove the left side.
They are so complicated, its just a matter of time before they get gunked up with ink and the printhead begins floating in the mess. I had nothing to lose so I removed the printhead, carefully, taped up all the hoses so they didn't dry out, Then I removed the motherboard to keep it from getting wet, THEN I held the messy ink end under the HOT water in the laundry tub and flushed out enough ink to dye a bathtub full of water. The hot water worked well. Then I let it all dry out. There are some delicate procedures to all of this and it takes time. I think that is why its very hard to find anyone to fix them. Its labor intensive and probably why HP won't repair them. The print section is the problem, and why I won't buy an All in One printer, Fax, and Scanner. I do buy the extended warranty's now. If you tackle this, take your time, take photos, and good luck. By the way, the 8250 uses O2 print cartridges, is that the type of printer you have, but a lot of this applies to other printers and other brands, and I bet I am not the only one to do this. Before I started this the diagonstics showed no problems, so I assumed it was the the ink aspect of the printer, and not an electronic of mechanical problem. I hope this helps.
----- Original Message -----

Any way to keep faxing/scanning after "Print-head problem"??

We've got a "Print-head has problem" message. Ordered new print-head (before seeing another poster's message saying "I did that twice and it didn't help!) but it won't arrive for several days. Meanwhile we'd love to still be able to use this alleged "all in one" to scan and fax.
Problem is, there doesn't seem to be a way to escape from the "print-head problem" message--none of the "cancel" or fax buttons will work. Cycling the power just recovers the same message again, and otherwise locked up.
I'm hoping some old hand at HP may actually read this and know the magic fix.
So the question: Is there any way to keep using the 7780's fax and/or scan functions after getting a "print-head has problem" message?
BTW, we've had several problems with the 7780 in the 3 years we've had it. Had to send one back, and the auto-feeder has been hit-and-miss. But we've been able to work thru the problems with HP support--though certainly at a high cost in our time. Then with the problems getting a new Windoze-7 computer to work with it (certainly not entirely HP's fault but your customers could have used some better planning for the thing), we're starting to look at other manufacturers.
If any HP managers or execs ever read these boards, you might keep in mind that a reputation, once lost, is extremely hard to recover.
In any event, any help greatly appreciated. Thanks.

Hey Kappy, While my network is the only one in my preferred list, it's not the only one that the airport "sees". When I click on the wireless signal strength icon in the upper right part of the menu, when connected to my network, it says at the top of the pop up list "Airport: Scanning". It then lists about 10 wireless networks that are in range.
What I want it to do is stop "scanning" for other networks and simply lock on to my network once connection has been established. Is there a way to do this do you know? Thanks, Dan

Streaking in Image, Bad Print Head - but Which One? HP Deskjet 130

In my poster prints there is subtle streaking and discoloration. From two years of printing I know this means: print head issue. Usually I just buy all new print heads and am done with it but business has been slow. I need to figure out which print head or print heads are the culprit. I would save a lot of money not replacing all six everytime I have this issue.
I replace all my print heads on average 4-5 months. Right now it costs almost as much to run the printer as I earn from it.
Would really appreciate any helpful tips. Thanks!
This question was solved.
View Solution.

I'm glad you resolved your issue. The experts in the HP Designjet forum here could probably have pointed you to the procedure to print a diagnostic page which could give more informative results.
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
If your problem is solved please click the "Accept as Solution" button ------------V
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Re: Print head replacement for OfficeJet Pro L7580

Help! I have an OfficeJet Pro L7580 and the ink was running dry on the black and yellow. I replaced the ink, but now it still will not print. It says there is a problem with the yellow and black print heads. Question is where do I get them and how much do they cost and will that fix my problem? I have found them in my computer and can take them out with no problem, just don't know how to get new ones!

The online HP Parts Store should be able to help get the part:
http://h20141.www2.hp.com/Hpparts/Default.aspx?mscssid=547D739C0DCC43949105EA3B0F3B1FB5
007OHMSS
I was a support engineer for HP.
If the advice resolved the situation, please mark it as a solution. Thank you.

How can i order a new printer head for my photoshop 7250e

How can i order a new printer head for my photoshop 7250e Is there a number i can ring to speak to someone or email address i can use or a web page where i can order one
or a list of agents i can use to get it from
Finding simple information seems impossible, no where does it mention spares or replacements
I have tried a lot of fault finding am convinced this is the problem

Hello NigelH1,
The Print Head for the Photosmart 7250 is not available outside HP.
Please call HP Tech Support for further assistance.
If you are in US , the toll free # is 1-800-474-6836 .
If you are not in US , then log on to www.hp.com , at bottom-left corner there is a world map icon, click on it and then select the region you belong to, which would then provide support options for you for that region.
Regards,
Jabzi
Give Kudos to say "thanks" by clicking on the "thumps Up icon" .
Click "Accept as Solution" if it solved your problem, so others can find it.
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How to print header lines at the top of every page with Alv list display?

Dear all,
I need a requirement with printing issue. A program list should be printed with the function reuse_alv_list_display.
The list has several pages and then can be printed but the header lines appear only first page when they printed. The other pages don't have header lines, they continue with the next record of the list remaining from previous page. I use the alv parameters as below:
CALL FUNCTION 'REUSE_ALV_LIST_DISPLAY'
    EXPORTING
      i_callback_program       = l_repid
      i_callback_pf_status_set = 'ALV_PF_STATUS'
      is_layout                = ls_layo
      it_fieldcat              = lt_fcat
      i_default                = 'X'
      i_save                   = 'A'
      is_variant               = ls_variant
      it_events                = lt_events
    TABLES
      t_outtab                 = lt_data
    EXCEPTIONS
      program_error            = 1
      OTHERS                   = 2.
and lt_events as below:
ls_event-name = 'END_OF_LIST'.
ls_event-form = 'ALV_END_OF_LIST'.
APPEND ls_event TO lt_events.
ls_event-name = 'END_OF_PAGE'.
ls_event-form = 'ALV_END_OF_PAGE'.
APPEND ls_event TO lt_events.
ls_event-name = 'TOP_OF_LIST'.
ls_event-form = 'ALV_TOP_OF_LIST'.
APPEND ls_event TO lt_events.
ls_event-name = 'TOP_OF_PAGE'.
ls_event-form = 'ALV_TOP_OF_PAGE'.
APPEND ls_event TO lt_events.
So, how can I print header lines for every page?
Best Regards,

Hello Saba,
Your point might be very close to solution.
Because in the selection screen of the program there are two radio buttons, one of them visits 'REUSE_ALV_COMMENTARY_WRITE' function and the other doesn't. The one which visits has a problem with header liens in every page when printing. But I couldn't find out the solution yet.
reuse_alv_list_display uses 4 event and of course I call subroutine. There are end_of_list, end_of_page, top_of_list and top_of_page. I use in the subroutine for top_of_page:
CALL FUNCTION 'LVC_TRANSFER_TO_SLIS'
    EXPORTING
      it_fieldcat_lvc         = gt_fcat
    IMPORTING
      et_fieldcat_alv         = lt_fcat
    EXCEPTIONS
      it_data_missing         = 1
      it_fieldcat_lvc_missing = 2
      OTHERS                  = 3.
CALL FUNCTION 'REUSE_ALV_LIST_WIDTH_GET'
    EXPORTING
      it_fieldcat = lt_fcat
    IMPORTING
      e_width     = l_width.
WRITE l_reptx TO l_reptx CENTERED.
NEW-LINE.
WRITE: AT (l_width) l_reptx CENTERED.
SUBTRACT 10 FROM l_width.
WRITE: AT l_width sy-pagno RIGHT-JUSTIFIED.
    CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
      EXPORTING
        it_list_commentary       = lt_header
I_LOGO                   =
I_END_OF_LIST_GRID       =
Do you have other suggestions ?

How to print header and footer in SET_TABLE_FOR_FIRST_DISPLAY

Hello Experts,
How to print header and footer while using the method SET_TABLE_FOR_FIRST_DISPLAY, any tips from the experts will be appreciated.
Regards,
Babu

Hi,
there are four events for printing: print_end_of_list, print_top_of_list, print_end_of_page and print_top_of_page. More information about implementing these events is in this bible for ALV:
https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/e8a1d690-0201-0010-b7ad-d9719a415907
Cheers

Print head alignment keeps on getting worse and worse the more I try to "fix" it

First off, I know that this question doesn't really belong in the mbp section, but since I am printing from one, I thought this would be the closest match.
I have an Epson NX420 printer which came with my 2011 mbp 13in for free (err... $100 off the original $95ish to be exact). It will turn 3 years old in less than a month.
This past week, I have had troubles printing "good" images, so I did the print head alignment on Epson Printer Utility 4, following the written directions. I printed something out, and it was still disgustingly off, so I repeated the process two more times, each time printing something different. The vertical alignment is fine, but the horizontal alignment seems to get worse and worse. One thin line will be split into two in some places, and one will be dotted while the other solid, and in the case of color, the two bands are different colors. Solids come out grainy.
I don't want to waste any more paper and expensive ink for something that is not fixing itself. Since my mbp is still under Applecare warrenty, will Apple fix or trade my current printer for another one for free, or does Apple have nothing to do with printers other than its sale? If not, are there alternative ways to fix this problem? I am sure I am choosing the box without any bands at all and if there is I choose the lightest band-in-a-box and click realignment.
Here is the recent printout of random lines and text, after three unsuccesful trials of print head alignment.

This is a printer issue and it's only covered under the Epson Warranty Program, which is 1 year. AppleCare has nothing to do with that.
You'll probably have to replace the printer if the print heads cannot be replaced. That's the issue when you buy an inkjet that has print heads that aren't part of the ink cartriges... when they go bad, they go bad and you're hosed. If the issue persists after a print cartridge change, then it's definitely the heads.

INSTALLED NEW INK CARTRIDGE and cancelled the alignment PRINT HEAD IS STUCK

Greeting everyone
I just put a new color 57 HP ink cartridge into my all in one 2210 printer & somehow I cancelled the alignment as it seemed not to be doing anything....and now it will not return the printer head and will do nothing.... how will I fix this?
this is just a printer problem as the printer was working fine before I changed the ink. My Dell inspiron 580 wi PC is working fine and I have been printing direct from my computer to printer every day until my goof up...... intel core (TM) i5 CPU @3.20 GHz 64 bit 8.00 GB RAM
Thank You Mary Svinth in Waldport Oregon Coast
[Personal Information Removed]

Hi - A couple of things to try:
- Unplug the power from the back of the printer.
- Open the top cover, and slide the carriage to the center.
- Remove the cartridge and try reinstalling. Make sure the ink cartridge snaps in and is firmly held by the carriage.
- Plug the power cord back into the printer and power it on.
If that doesn't work, try repeating the steps above, but this time, remove the USB cable, which will completely isolate the printer and narrow down the issue.
Hope that helps.
Say Thanks by clicking the Kudos thumbs up. Please mark the post that solves your problem as an Accepted Solution so other forum users can utilize the solution.
I am an HP employee.

Since upgrading to Mountain Lion 10.8.2, I can no longer print head shot photos from CONTACTS. Please assist.

Before upgrading to Mountain Lion, I was able to print head shots - in ALPHABETICAL order, mind you - from Contacts. Why do we not have this feature any more? Please bring back the way it was! Thank you!
Issue printing from Contacts: can't print head shots and it's no longer in alphabetical order.
Please don't tell me I can do this from iCloud, because it only prints one contact at a time.

Click GO from Finder and hold down the Option key. You'll see the Library folder in the list. Or you can click GO and select Go To Folder and type ~/Library. This will open the user\Library folder.

How can I control automatic print head cleaning every time my Officejet Pro 8500A Premium starts up?

In general we really like our new Officejet, but we're very frustrated by the automated start up procedure. Every time we turn it on it does a self check and then cleans the print heads. It's bothersome for two reasons: 1) We want to print quickly, not wait for 5 minutes. 2) We're worried that all this cleaning is using up our valuable ink.
We recently had to replace all the color print cartridges, and I think one cause for the other's depletion was all this cleaning.
We're using HP cartridges.
It's possible that this printer is intended for an office environment where it just stays on 24x7. For our occasional use, we normally turn it on when we need it and turn it off when we're done. If the power consumption is low enough (less than 5 watts) I'd consider leaving it on as a possible work-around.
I did my best to search FAQ and postings to see whether there was already an answer to this issue - but couldn't find one.
This question was solved.
View Solution.

cattyprinter wrote:
1st installation failed --waited 3 weeks to have another go --installed on line all working --So Notation said
scans ok fax set up ok .On start up IT goes thru ALIGNING PRINTHEAD --not one here print done and 3 1/2 cartridges GONE .Tooooo BEEEEE expensive to use Where is the users manual --?None only double side page of wire connections --a book of one page english and balance in goobly **bleep** .Never again will I spend my measely pension on a HP printer Who is going to replace my cartridges ? Try and have a telephone query OH NO no speak only info email that says this is generated email with no info! Talk about easy money for rubbish --tell your mates HP is a NO GOER -:manmad:
There should have been a manual on the included CD. You can also download a manual from HP here.
If you need to Contact HP you can find phone numbers here.
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
If your problem is solved please click the "Accept as Solution" button ------------V
If my answer was helpful please click the "Thumbs Up" to say "Thank You"--V

COST OF PRINT HEAD?

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