2025年1月21日 · 1) Unplug the power cord from the printer & wall. 2) Press and hold the power button down for 15 seconds and release the power button, wait for about 30 seconds. 3) Plug the power cord back into the printer and wall, ensure the printer is plugged into the wall & not into a …

2021年12月16日 · Reset the printer to recover from printer errors or failures. If your printer has a rechargeable battery, remove it. With the printer turned on, disconnect the power cord from the printer. Unplug the power cord from the power source. Wait 60 seconds. Reconnect the power cord to a wall outlet and to the printer.

检查 HP 和 Microsoft 的兼容性、升级和可用修复。 从官方 HP 支持网站为您的 HP 打印机下载最新的驱动程序、软件、固件和诊断程序。

2023年3月19日 · 惠普打印机故障代码"71.02.4a"通常表示机器出现了进纸单元的马达运转异常。 这个问题可能是由多个原因造成的，例如进纸单元的传动齿轮磨损、进纸单元的传动带松弛或老化等。

2025年1月16日 · I understand you are getting the event code 71.02.4A on your HP OfficeJet Pro 8028 All-in-One Printer typically indicates a hardware or firmware issue. Here's how you can troubleshoot and resolve this error: Turn off the printer and unplug it from the power source. Disconnect any USB or Ethernet cables connected to the printer.

Printer is giving me the following error, 71.02.4A. Updates is set to Auto and it says most current updates installed. Technician's Assistant: Is your 71.02.4A displaying the error on all print jobs, even after you restart it? Technician's Assistant: When …

The Printer Technician can help with the 71.02.4A error code on your HP OfficeJet Pro 8020. And, how would you like to connect with the Technician - phone call or online chat? Customer: …

To restore your HP printer to factory-default settings, follow these steps. Turn the printer off. Disconnect the power cable from the printer for 30 seconds and then reconnect.Turn the printer on while you press and hold the Resume button for 10-20 seconds.

2025年2月26日 · Accelerate graphics workflows with the latest CUDA® cores for up to 2.7X single-precision floating-point (FP32) performance compared to the previous generation. Produce more visually accurate renders faster with hardware-accelerated motion blur and up to 2X faster ray-tracing performance than the previous generation.

2025年2月3日 · Here are some troubleshooting steps to help resolve the Error Code 71.02.4A on your HP Office Pro 8025: 1. Power Cycle the Printer: Turn off the printer and unplug it from the power source. Leave it unplugged for 5-10 minutes to allow any residual power to dissipate. Plug it back in and turn it on. 2. Check Ink Cartridges: