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Answer: It is recommended to reinstall the printer driver
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Answer: Unplug the power supply of the printer for more than ten minutes, and then power it on again to see if there is any response. If there is still no response, reinstall the driver on the computer connected to the printer and try again. If it still does not work, it is recommended that you reset the print * in *.
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Answer: You can buy Yijia powder
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Answer: Check the toner or replace it directly. If it doesn't work, please contact HP after-sales service
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Answer: Your machine is likely to be laser, which is your thermal sensor. You can take down the thermal sensor and wipe the drum skin with alcohol.
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Answer: Check the drum core for wear, rubber rod and waste powder bin. The drum core is worn, the rubber rod is dirty and the waste powder bin is full.
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Answer: Is there something in the laser head, is the motherboard in poor contact, and is the selenium cartridge not properly placed. Print whether there are codes.
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Answer: The file is missing. It should be caused by missing files under Windows/System32, or downloading a compact version of the driver. Try a different version of the driver. It is better to use the full version and execute the executable file to install it, rather than discover new hardware or
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Answer: 1. The paper jam was not removed completely 2. The toner cartridge was not installed properly, and the rest needed after-sales inspection
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