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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Hồ Hải Yến

New member
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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Trương Ái Linh

New member
Open the top cover and make sure the print head lock lever is closed properly. Make sure there are no foreign objects caught in the top cover, and then close the top cover. If this error appears again, close the top cover, turn the power off, wait a moment, and then turn the power back on. Note If installing a print head, close the top cover after finishing.
 
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