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Message: <blockquote data-quote="Hoàng Hồng Châu" data-source="post: 29240" data-attributes="member: 734">Dear forum members,I am currently facing an issue with my Epson ET2821 printer. The red light is constantly on and I have been unable to resolve this problem on my own. I have heard that using the Adjustment Program may help me fix this issue, but I am not quite sure how to use it. Can anyone provide me with some guidance on how to use the Adjustment Program to resolve the red light issue on my Epson ET2821 printer? Any help would be greatly appreciated.Thank you in advance for your assistance.Sincerely,</blockquote>