I have an Epson Artisan 837. I needed to print 200 bookmarks. The first 100 printed flawlessly. The colors of the second batch were far away. Cyan and yellow did not print. I cleared my head 2-3 times - nothing. I didn't feel like buying another printer, so I tried the Magic Bullet Printhead Cleaning and Unlocking Kit. I liked that he had two syringes and I plugged both heads at the same time. I left her about 3 hours. - not the 30 minutes he suggested. I poured the cleaning liquid in and sucked it out a few times before removing it. I did a test print on paper and blue and yellow streaks appeared, but faint and with streaks. I figured I'd have to repeat the whole process again, but decided to print a bookmark to see how it looks. It came out perfect! I quickly printed out the last 100 and they were all great. What a relief as I had to do them in two days. I don't know if I haven't used enough of those two colors and the heads are clogged, but then I read that you should print a rainbow image or a picture with lots of color EVERY DAY to prevent clogging of the ink cartridge heads. high. I really love my Epson Artisan 837 and don't want to change it. Magic Bullet saved me from having to do that. I am delighted with this product. It was worth every penny! By the way, make sure to use plastic gloves! Good product!
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