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    Have you tried any troubleshooting steps to fix the error code and software issues? Printer MX470 series error code 5040

    Have you tried any troubleshooting steps to fix the error code and software issues? Printer MX470 series error code 5040... How can I step by step to solve the problem with my printer? Can anyone help?
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    Step by step to fix error code 1200 on printer Canon GP-300, GP-200 and Canon GP-5300, GP-5200

    Chào các bạn, ai có kinh nghiệm về. Máy in model GP-300, GP-200, GP-5300, GP-5200 gặp lỗi "Top cover or print head lock lever is open."... Cần step by step to fix error code 1200 on printer canon gp-300, gp-200 and canon gp-5300, gp-5200
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