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HP ink cartridges.
In article , th.dul@REM0VETH1S
says... Hello On a HP Deskjet 840 C, is there any way to be able to replace cartridges 15(black) and 17(color) by respectively 45(black) and 78(color) where I have some cartridges in inventory. I heard that it was possible provided you patch some of the electrical contacts with insulating tape. Is this true ? How do I do this ? For the #45, there is a trick of covering certain contacts, BUT, it also has the side effect of disables some nozzles, giving a streaky output. I don't konw if there is a way to use a #78 in place of the #17. -- If there is a no_junk in my address, please REMOVE it before replying! All junk mail senders will be prosecuted to the fullest extent of the law!! http://home.att.net/~andyross |
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"td_" wrote in message ... Hello On a HP Deskjet 840 C, is there any way to be able to replace cartridges 15(black) and 17(color) by respectively 45(black) and 78(color) where I have some cartridges in inventory. I heard that it was possible provided you patch some of the electrical contacts with insulating tape. I will leave the 15/45 discussion for others, but I can categorically state that the 78 and 17 are not in any way compatible. The 78 cartridge is a later design that has more than twice as many nozzles, an entirely different electrical pad layout and different requirements for firing voltage and frequencies. Do not put a 78 cartridge in a printer designed for the 17 or 23 cartridges; you will likely damage the 78 cartridge. Regards, Bob Headrick, not speaking for my employer HP MS MVP Printing/Imaging |
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