I just took apart a 740i epson printer and I can not get the pump assembly back in. How do I put it back in?
965747
Below you'll find a link to an exploded diagram for your printer as well as a source for the parts.  Hope that helps you.
111606
online.. thru your comp.. start the "Status Monitor" ..\n.. it sits someplace in "Start" (if on Windows)\n\nOr simply go to the printer name in "Printers" folder & right click-> go to properties- then all thse tabs come up for "Head cleaning" "Nozzle Check" etc...\n\nThere.. a tab has status monitor...\n\nHowever, thru experience using my old Epson Stylus 1200\nI have come to know that its a bit waste as the Nozzle Check & Head Cleaning both deplete the bloody ink resorviors..\n\nI now, manually take them out \n[HIGHLY AVIODABLE AND WOULD NOT RECOMMEND THOU]\nto get a feeling as to how much is there which I can get since so many years..\nGive it a good shake & I put 'em back...\n\nThough unlike HP, Epson cartridge head doesn't get replaced each time, so its a big headache to try remove cartridge\n(one risks damaging internals as ink might pour out of gaping hole in cartridge- there is a certain trick jerky movement to get it out)\n\nPlus, lastly, the damn things sort of dry out even if printer left unused for under a month & so software may still detect a semi full thing as, one needing replacement
701569
read the directions that came with the printer
935709
pull out the paper pick up the printer turn it upside down and give it a shake most likley something has fallen in if that dont work go to walmart and buy a new one
825238
maybe ink related.\nif not you may have lost a connection to the printer, and a removal and reinstall may be necessary.\ngood luck
309615
follow the advice of the other answerers, replace the cartridge, but i, too would recommend a thorough cleaning first.\n\nvery gently with a q-tip and some rubbing alcohol take the printer apart and clean, clean, clean.  just be careful to put it back the way it was.\n\nhope this helps.  good luck.
784519
Removing and Installing Ink Cartridges \nBe sure you have a new ink cartridge before you begin. Once you start the ink cartridge replacement procedure, you must complete all the steps in one session. \n\nMake sure the EPSON Stylus CX5400 is turned on and not printing. The LCD screen tells you which ink cartridge is low or empty. \nIf your EPSON Stylus CX5400 is low on ink, press the left Menu button until you see Change Cartridge, then press the Color Copy button. \n\nIf your EPSON Stylus CX5400 is out of ink, press the Color Copy button. \n\nThe ink cartridges move to the replacement position.\n\nLift up the scanner.\n\nPinch the tabs on the front and back of the cartridge, lift it out of the printer, and dispose of it carefully.\n\nBefore you remove the new cartridge from its package, shake it four or five times.\n\nUnwrap the new ink cartridge and lower it into its holder, then press down on the top of the cartridge until it clicks in place.\nCaution: Don't touch the green circuit board on the back of the cartridge; you may inhibit normal operation and printing. \n\nIf you need to replace other ink cartridges, repeat steps 4 through 6 before continuing with step 7. \n\nCarefully lower the scanner and press it down until it clicks into place. The EPSON Stylus CX5400 begins charging the ink delivery system.\nThe On light flashes and the EPSON Stylus CX5400 makes noise. Charging takes about 30 seconds. When it's finished, the On light stops flashing and stays on. \n\nCaution: Never turn off the EPSON Stylus CX5400 while the On light is flashing, unless the Stylus CX hasn't moved or made noise for more than 5 minutes.
1097057
i have encountered this problem before on a similar model. I unpluged the power cord from both sides, then tried to manually push the cartridge to the original startup position. Finally, plug back the cord, and you should be ready to go. More info can be found on the HP support website where there is an entire article dedicated to this issue.
356608
you may have clogged cartridge, clean nozzles 2x.  If it still does not work call Epson Tech Support and they will probably send you a new one.   If you can't wait just replace it and they will send you a new one anyways.  Save the old one sometimes they want them back to test them.
782834
This is silly, but it has happened.  Make sure the protective tape on the ink cartridge has been removed before installing it into the printer.  I have an IT friend who made this very embarrassing mistake.
138558
I used to have a similar model of printer-scanner. \n\n(The printer has to be turned on when you do this...) You just lift up the front cover (not the scanner cover) and you should be able to see the in cartridges inside. Usually there is a sticker or engraving showing you how the change the cartridges. The cartridges will move to the right side and when they stop you can just pull out the cartridge you want to replace. Open the package of the new cartridge, peel off the protective tape over the print head then plug it in.  \n\nA pamphlet often comes with the ink, with installation instructions. You can, of course visit the HP website for more detailed information. Don't worry, it's pretty easy. Good luck.
295013
remove it from the network uninstall all software and drivers and then pretend its new and just re set it up as you did before  if you have further problems call (1-800-HP-Invent OR 1-800-474-6836) that the 25/7 number for hp below is a list of must haves before you call good luck and if all else fails you should get a new printer
1171746
call epson.  tell them your problem and let them know you are looking for an authorized epson repair shop in your area and they will guide you from there.\n\nepson.com
191600
lift the hood and see if its there, if not try the documentation that came with the printer. if you don't have one , go to HP and click on support. there should be an on line manual that will show you.
601839
id go to the manufacturer if it didn't come with a manual\n\nor just open the cover and put grease on everything that moves\n\nor call your local tide & time & weights & measures service  agency  place.  if they verify that what the pump says is being pumped actually is, then they might also know maintenance or atleast where to find it.
596250
YOUR PRINTER SHOULD HAVE COME WITH A MANUEL. FIND THE SECTION LABELED TROUBLESHOOTING OR PROBLEMS WITH PRINTER.\nTHERE SHOULD BE A SECTION IN THERE FOR CODE 20.\nIF NOT, CALL THE MANUFACTURER.  GOOD LUCK.
811070
Hi there:\nYou have a very good question, which is asked repeatedly in\nthe ANSWERS forum.\nYou do not state the actual model numbers of the Dell and Epson, so that I can only reply with general information, which may not be correct, since both DELL and Epson have hundreds of different models. The answers to the " COMMON"  models that one might find today, are listed below. These are cut and pasted from previous answers I have given on DELL and Epson, and you can read more information by browsing through my ANSWERS section.\n\nGenerally, answering your question, NO you cannot harm your printer if you refill your ink carts -- IF the printhead is actually on the carts. This would be typically true on HP, or LEXMARK, common printers. EPSON, typically has the printehead BOLTED to the large round rail that the print assembly moves on, and you have to tear apart the entire machine to get the printhead out. If you used a really bad ink refill, or bad ink foam cart on the top of the unremoveable printhead, and clogged the head, then you would be rather stuck. DELL typically has an HP or Lexmark type of printhead, which has a gold plated plastic carrier with gold or chrome printholes glued directly on the ink cartridge, so that replacing the cartridge replaces the printhead. If clogging the head with incompatible ink should occur, the printer itself is unaffected. Just get another cart, and everything is back to normal. \n As for " trying" to refill the ink carts, I have hundreds of bottles of refill inks, and try to refill everything. There are a few difficulties with a few ink carts, and a few bad ink refills, but generally, they are well worth it. Most ink refill manufacturers have special formulas made for each specific brand, so that incompatabilities are eliminated. Any local computer shop will have both clone carts, and refill kits, and you are best to shop around. The refill / clone market changes constantly, so I won't make recommendations! As far as I know, ONLY DELL will supply actual DELL carts, so that you are more or less forced to buy from them or, you can try to refill.\n\n Here are 3 questions and my answers on DELL and Epson, which give a great deal of information.\n\n_______________________________________________\n\nHow many times can you NORMALLY refill Dell ink cartridges before they start failing?\n\nBest Answer - Chosen by Asker\n\nDell does not make printers. What you are looking at is the same factory type of Lexmark or HP printer carts, with the gold foil on the bottom, which is the actual print head. I like these the best, as, if you are careful ( CAREFUL ) not to press, deform, or mechanically abrade the gold or chrome print hole surface itself, you can use for YEARS, -- I have one that is 10 years old. There are a few situations though, that might give you problems such as a few types of BLACK ink that are incompatible with many standard refills, and if you put in black ink, the cart immediately quits. If you soak the cart in water about 3/4 the height of the cart overnight, you can print a page or 2, and then it quits again. I have not heard any explanation for this behaviour, but a typical cart is the dark green capped black cart in a LEXMARK printer 5XX or 6XX printer with the 16/17 26/27 carts. The color, on the other hand, can be refilled for years. The best carts just have various compositions of ordinary FOAM in them, sometimes with a layer of fiber on the top or bottom, but the foam is the holding mechanism. NEVER drill an existing vent hole on a cart if it contains micro-baffles that allow a tiny amount of air in, without allowing dry air outside to dry out the foam. HP uses a dual bladder air charged black, on a few models, and a few other ones do as well. These require more time and care in loading and taping.\nIf you purchase an ink refill kit, there is usually online instructions\nand/or a manual that explains where to drill holes and tape etc.\nThey may even explain ab