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Firmware Upgrade

  • HP printers will automatically upgrade the firmware to the latest version if users do not disable related functions, which may block compatible chips. To solve this problem, we can downgrade the firmware to the previous version. 下面我们将以惠普M454nw打印机为例,给大家展示固件版本的降级方法:(温馨提示:给打印机固件降级的过程中,请确保电脑处于正常开机状态并且已连

Error Code

Chipjet Tips

  • Printer manufacturers will group countries into "regions". So, if you attempt to use a cartridge that you bought in one country with a printer bought from another country, you’ll probably receive error messages such as “Incompatible Cartridges” or “Incorrect Cartridges”. Therefore, we post this arti

  • Have you ever studied the labels that are attached to printers? This small item provides a wealth of information on the printer, such as the model, manufacturer, serial number, cartridge information, etc. Read on to learn more about your printer:01 Serial NumberThe serial number (Serial No. or S/N)

  • Recently, we have received messages complaining about “supply memory error”. So we decide to publish this post to explain the causes and fixes for this error message..What is a Supply Memory Error? A supply memory error happens when the printer is unable to recognize the cartridge (model, page yield


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