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How to Change the Waste Ink Pads in an Epson Stylus DX7450

I have just repaired my DX7450 (faulty power supply) and I thought ''whilst the printer is dismantled, I'll just check out the waste ink pads''. The problem is, I cannot see any way to access the waste ink pads (other than see the waste ink pipe through the tiny rear access panel - which is no use for anything really). To get to the ink pads in the bottom of the INNER plastic casing seems to require complete disassembly of the printer mechanism. This is not practicable without special re-assembly tools/jigs I think. Does this mean that the DX7450 (and similar models) is junk once the waste ink pads protection counter reaches its limit? Or am I missing something? No-one seems to have a copy of the service manual - for free or for sale.

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  • Gerry Millward
    Gerry Millward Dec 06, 2008

    Thanks for your input but I suspect you are wrong on two counts. Firstly, I am talking about the Service Manual, not the User Manual (which I have) and secondly, I am talking about replacing waste ink pads, not cleaning the print head. Incidentally, poking around with a screwdriver in the print head cleaning mechanism seems a trifle dodgy! I am sorry, but you are at a maintenance level somewhat irrelevant to what I am asking.

  • Gerry Millward
    Gerry Millward Dec 06, 2008

    Hi Rich

    The point I am trying to make is that my problem has nothing whatsoever to do with print quality. The "pads" in question are the waste ink pads located deep inside the printer, nowhere near the print head. These pads soak up waste ink from head cleaning cycles etc. Traditionally, Epson inkjet printers count every shot of ink in a "protection" counter. When this count reaches a preset limit, the printer outputs a message that servicing is required, and refuses to work any more until the waste ink pads are replaced and the counter reset. My query concerns the fact that the waste ink pads in the DX7450 are to all intents and purposes inaccessible - does this mean that when the protection counter limit is reached, the printer is scrap?

    Whilst I understand your views concerning the economics of repairing ink jet printers, I certainly don't agree with them. Apart from the enviromental abuse of throwing away a printer, I can assure you that Epson inkjet printers are usually easy and quick to repair, and much cheaper than buying a new one. I know this from personal experience of repairing these printers. It's simply that "official" Epson repair centres charge outrageously high prices for simple repairs and do everthing they can to get you to buy a new printer instead.

    You have a good day too.



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For the Epson C62 the Service Manual says that in order to get at the Waste Pads "Release total seven hooks of the Upper housing by using the precision screwdriver etc." But how to do this is by no means clear. I imagine it's the same problem with your DX7450. Have you got any further with this?

Posted on Jan 23, 2010

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Even if you had the manual there would be no mention as to how to replace the waste ink pads! This is a common problem to all ink-jet printers. The best way to clean it is to just get the carriage out of the way by pulling the power while it is initializing and wipe the pad with a flat head screwdriver to remove the built-up black ink. The black ink is organic material & will build up as the color inks are dyes and will not build up!
Use warm water on a paper towel to clean up any messes made.

Posted on Dec 05, 2008

  • Richard Lilja
    Richard Lilja Dec 06, 2008

    Sorry you feel I didn't give you a real good explanation as to why I said to use a screwdriver to clean the pad.
    1. This printer and most all other ink-jet style printers (besides the fact that it is a multifunction machine) are still basically a "throw -away item and not worth the time /effort to fix them as they can be bought for about $60.00 which in all reality is the cost of 2 ink cartridges. Ink-jets are sold mostly to make money for the ink cartridge manufacturers!!! Like it or not that is the truth about them.

    2. I have been repairing all kinds of plotters, printers, fax machines, and copiers, etc for over 15 years and a lot printer repair depots won't even touch the Ink-jet printers because they aren't worth it.

    3. Swiping a screwdriver over the pile of black ink to remove it prevents more service issues and is quicker with the printer than taking it all apart just to clean the pad or to find out after it is apart that you cant even buy the pad in the first place as they just don't sell it separately anywhere except maybe at the factory. Putting the printer back together afterwards and expecting it to work correctly can require a lot of patience.

    So I would stand by my original answer to you but add "to do it only if you are having print quality issues anyways".

    Thanks and have a good day!


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SOURCE: How to Change the Ink Pads in an Epson DX7450

if you can get to the pipe then i would make your owe ink tank and yes your printer can be reset

Posted on Nov 28, 2008

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