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Hi there Sorry I did not see your post earlier regarding the WF4540.. Here is a photo of the new version chip for the 4530 refillable cartridges. I have not had to change batteries on any of our printers yet (running over one year) but just in case here is the info... LJH

Clean the contacts, that make connection with the printer.. We do not suggest mixing vendors LJH

I have been using a pencil eraser for years, followed by an alcohol wipe down. No advantage to change chips, that I can think of... LJH

Our chips are different, newer version set...6764R 3D /backside 011640 No worries, if yours works go with it... Looking at your photo, I would clean the contacts LJH

Label is the same, cartridge is slightly different.. What is the chip version.. such as 6764R......676 = cartridge style.....4 = color (yellow)..... R = Revised LJH

Yes OK to remove and inspect I can only speak for ours... Manual reset only, these are smart battery powered chips.. Removing cartridge on this model doesn't reset... Pointing at battery (first image), I have not had to replace battery since I installed these in our test printer, ages...

Hi Jeff On our 4500 series (4520/4530/4540) refillable, reset when you refill by a touching two contacts. I instruct customers to check levels periodically, then refill and reset, thus avoiding any problems of using an empty cartridge, Cheers LJH

Hi annel I would check the ink level in the Piano Book ( lay the piano book on its back, do this three times, this works out the air in the back tank) Another reason why we went to the deluxe tank...air in the back tank.. Next Take the maintenance plug out the cartridge, raise Piano Book and...

Hi there When you setup your ciss for the first time, you want to purge as much air as possible, it does not have to be completely purged...(a little air in the cartridge is OK) You will want to set your tank at a height to supply ink effortlessly to the printhead...(not to high and not to low...

Hi guys Interesting cartridge design.. Several inquires on the XP 600 and 800 refillables These are non OEM, "Epson wants me to say that, I don't blame them, this is how they make money" Cheers LJH

Thank you cbsamc Happy New Year Print for pennies LJH

Wow Thank you... I feel like I just got an early Christmas gift.... Merry Christmas to all.. Cheers Leonard Holmberg

Hi Annel I sent you instructions on how to check the ink levels in the cartridges.. Put rubber gloves on, remove ciss cartridges, remove rubber plug on the top of cartridge, one at a time... Inspect ink level in each cartridge.. Elevate tank, watch ink displace air in cartridges.. Run...

Hi cbsamc The 837 requires the newest chip set... Contact us directly at LJHent.com and we will send out a replacement chip set at no charge.. http://ljhent.com/contact/contact.php The re-chip process takes just a few minuets and you will be back and printing shortly... Leonard AKA LJH

Hi there I have installed several ciss in the Epson Artisans 730s with the latest chips without issue.... LJH

Hi egore Epson Artisan 700-837 auto reset chips do not require a battery... Only certain model printers require that setup, those models need to be powered, Epson wf 520, nx 420, nx 125... no advantage to these printers Artisan 837 prints a great photo.. LJH

Open up the cover, with a small flashlight, look at the ink tubes in the printer that are routed to the printheads. Are they filled with ink? The black will be hard to tell, cast the light thru the black ink tube to inspect ink flow... If your priming station is not priming the printheads it...

Hi Angel4b Unless you have used pigment or mixed inks, it may not be a clogged printhead. The Artisan 700-837 use a dye based ink.... I have a model 700 running for years without a single printhead cleaning.... Many times it is an ink delivery problem.... All ciss cartirdges have a rubber...

George Eastman was truly a pioneer, sorry to see Kodak go.... LJH

Hi there I have had a Artisan 700 and 810 with a CISS positioned above printheads without a single issue. You are less likely to get air in the lines due to expansion and contractions of ink. Cheers LJH