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Trigger 37, How have you determined that the problem with black is NOT a problem with ink feed from the cart?

SLHAWKS, I am not the one who can really help, but just to start this off properly, please answer some questions. Are you using original Canon ink, refilling, or using some other company's compatible cartridges? If not Canon ink, then what brand of ink or cartridge are you using? What brand...

Which method did you use to open the plug hole? Did you push the ball in or extract it with a sharp screw? Sometimes when the ball is driven in, there is damage to the opening by breaking away some of the plastic. This can lead to a poor seal by the rubber plug. If the top of the rubber plug...

I have purchased a couple of new, sealed, printheads from hojoldj on eBay. The price was way less than Canon's listed price and the transaction went very smoothly and the shipping was quite prompt. She may not have your head type at the moment, but does seem to sell some heads most of the time.

Websnail, At the beginning of this post about CIS troubles, you said, in part: This last line stood out when I re-read it and I have to ask a question: Do you ever, sometimes, or never, clamp the ink tube when you are going to unscrew the bottle top and do a refill? Some of my...

Websnail, thank you for the offer. I think one will do what I want. Let me know how I can pay for the shipment. I'll email you an address. Canonfodder

Websnail, Thank you for your answer. I remain very interested in getting a successful CIS for the iP4200. I now have a couple of spare iP4200s and will soon have some extra empty cartridges to work with. I plan to try a system which has the ink feed tube enter the cartridge sponge area...

Websnail, you said: I know what you refer to when you say "air buffer" but I don't really understand what the function is. In the instructions that come with an MIS continous ink supply system, they say that the air buffer is necessary to prevent siphoning and thus flooding out of the print...

I am doing some research on the workings of the Pixma series printers, such as iP4200, iP4300, and others in the same category which use the CLI-8 cartridges. I want to dig into the print head and see exactly what is inside. I can't afford to wreck a new one. If someone has already torn one of...

jflan, Thanks for that link. Lots of information there. I still want to know just what one would see if the print head's input port were opened up, and whether the path from there on down is filled with a wick material, or perhaps is just an open passageway. The pictures that mikling...

Has anyone cut open a Pixma series print head? I would like to know what is inside. Most all on this forum know that there are print head input ports where the cartridge exit ports connect. On a new or clean print head it is easy to see that the input ports have an extremely fine screen...

Websnail, A serious CIS question for you: With Canon iP4200 printers, do you seem to have more problems as your external ink bottles get low on ink? Perhaps you have not thought about that, but try to think back or observe closely in the future. This could be an important clue to ink flow...

Websnail, On another thread, you said that you would publish photos and explanation of just how your self-build CIS units were made. I hope you get time to do that someday soon. Meanwhile............... This thread seems appropriate for a question I have been wanting to ask. Mikling...

Hi Bird333, There is some software that might do what you want. Go to http://www.inksupply.com/purging.cfm . There look for download of purge.zip. It opens with PKZip which is listed there. purge.zip contains some test patterns that print large stripes of solid colors. They show them on the...

Photos will be much appreciated. Thanks

Websnail, You have listed in your equipment for CIS: MIS, InkRepublic, and Self-build. Which CIS are you running with the iP4200 printers that you have posted about here? If it is your Self-build, could you tell us about its arrangement. If it is one of the other two, or something else, do...

Mikling, I think you are correct. That toilet seal ring might be a very good source of a strong but formable wax. They must not cost a lot either.

In your photos number 4 and 6, I notice lots of air in the tubing. Does this seem to affect the operation, or was that just a temporary condition right at the start? Also in shot numbers 7 and 8 showing a longer view, the ink seems to have backed away from the cartridges. Is that a normal...

I am not really very conversant on all the acronyms used in computer talk. It is possible to be intelligent, yet uneducated. SO, please tell the uneducated me the full meaning of your RIP, because I don't think you refer to that message often left on tombstones. Thank you, canonfodder

In the beginning, did you follow the start up instructions carefully? There should have been something said about temporarily lifting the external ink bottles and watching for the ink to flow through the tubing toward the cartridges. Consider trying to remove a non-working cartridge from the...