1.？ First of all, when there is a problem, it is generally the case that the ink cartridge cannot be recognized. There will be a show.
2.？ If there is nothing wrong with the ink cartridge, we will turn off the printer and reconnect it, sometimes because there is something wrong with the system.
3.？ If there is nothing wrong with the ink cartridge, we will turn off the printer and reconnect it, sometimes because there is something wrong with the system.
4.？ If all this fails, we will turn off the printer, then take out the ink cartridge and aim at the installation. Just try it. Not yet. Check the driver and reinstall the driver.
5.？ If the above can't be solved, it may be that the metal sheet on the ink cartridge has not been used for a long time and the contact is poor. We will take out the ink cartridge and wipe it with an eraser, and we will find that the metal plate on the ink cartridge is shining. If you reinstall, there will generally be no problem.
6.？ If the problem cannot be solved, it is necessary to consider whether the ink cartridge is damaged. I hope we can solve these problems through some of the above methods, because replacing ink cartridges is very expensive.
Data expansion:
Hewlett-Packard Development Company (L.P.), headquartered in Palo Alto, California, USA, is a global information technology company, mainly engaged in printers, digital images, software, computers and information services. Hewlett-Packard (HP) is one of the largest information technology (IT) companies in the world, founded in 1939 and headquartered in Palo Alto, California, USA. HP has three business groups: Information Products Group, Printing and Imaging Systems Group and Enterprise Computing and Professional Services Group.
China Hewlett-Packard Co., Ltd. is headquartered in Beijing, with branches in Shanghai, Guangzhou, Shenyang, Nanjing, Xi, Wuhan, Chengdu and Shenzhen. Hewlett-Packard Company of China has a global call center in Dalian and a production plant in Chongqing. On September 4th, 2000/kloc-0, it announced the acquisition of Compaq, a famous American computer company, and completed the acquisition on May 3rd, 2002.
On 20 1416/0, HP announced that it would split the company into two independent world top 50 listed companies. The two new companies were named Hewlett-Packard Enterprise and Hewlett-Packard Company. The former is engaged in business-oriented servers and data storage equipment, software and services, while the latter is engaged in personal computers and printers.