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Don't let your ink levels drop below 25% before refilling and resetting your
cartridges. There is an inner and an outer chip on these cartridges. The inner
chip disables the outer chip when it's contacts are no longer bathed in ink. So,
it doesn't matter if you "reset" the outer chip after refilling your empty
cartridge because the chip was disabled. But the outer chip is not available in the market hence refilling has to be done before you have used 75% of the ink. Yes you can replace if and only if its not from a empty cartridge
Don't let your ink levels drop below 25% before refilling and resetting your cartridges. There is an inner and an outer chip on these cartridges. The inner chip disables the outer chip when it's contacts are no longer bathed in ink. So, it doesn't matter if you "reset" the outer chip after refilling your empty cartridge because the chip was disabled. I'm really curious how you refilled these cartridges yourself without souring yourself on refilling from the experience. I own a Cartridge World ink refilling store and I refilled a set of these cartridges when we had replacement chips available (we don't now because our chip distributor was violating Epson patents) and it was an absolute mess, took forever, and the cartridges still didn't work in our test printer.
The Epson 68 cartridges cannot be legally refilled at this time. There are two chips that monitor the ink levels. Once the ink gets below 25% the inner chip deactivates the outer chip so it cannot be reset. Any replacement chips you can buy are technically violating patent law. To refill these you would need a chip resetter and always refill it before it gets below 25%. I own a Cartridge World ink refilling store and I would not recommend refilling these yourself unless you enjoy getting ink everywhere and possibly still not having the cartridge work (btw there is no "refill hole" you make it yourself, thus the messiness).
Before you can have unlimited refilling you must need this devices:
Option 1: The chip resetter which you will need to manually reset the cartridge before refilling to enable the printer to recognize a new cartridge.
Heres the link where you can buy the resetter: http://cgi.ebay.ph/CHIP-RESETTER-For-EPSON-T5591-T077120-T078120-T0791-INK_W0QQitemZ290276640766QQcmdZViewItemQQptZBI_Toner?hash=item4395d607fe
Option 2: You a new set of empty cartridges with autoreset chips in it. No manual resetting needed, what you need is to refill and monitor the ink level.
Explanation: When the printer detected that the cartridge is empty, the printer sends data to the cartridges and the cartridge understand what the printer says, then the cartridge automatic chip resetter will re trigger the logic circuit built in into it to reset into full ink level.
Here is the link of the autoreset chip what Im taking about:
I'm sorry you got that STUPID answer first. The Canon cartridges you use have a chip or small circuit board on the bottom front. You have to either reset that chip or get the reset chips from the place you get your ink. That little chip tells your printer how much ink has been used and once they are empty refilling doesn't help without a new or reset chip.
what is the problem? For epson ink tank, after refilling ink tank, you must reset ink level counter at the chip. Unforntuantely, some new chip, there is no hardware resetter for the chip. Use CISS chip with autoreset function. Type printer?
“Lexmark does not support the refilling of its ink cartridges. Refilling the ink cartridges can cause them to leak, thus clogging or even damaging the print head. Any damage to your printer caused by refilled ink cartridges may not be covered under warranty”. Please use genuine Lexmark cartridges for best results.
Most canons have a chip on the ink cartridge that tells the printer the ink is empty so unless you reset that chip (which you cannont do), that newly filled cartridge will always read empty. This is how some printer manufacturer's thwart people saving money by refilling their cartridges.