You can use the driver of the graphics card to adjust the brightness and contrast.Describe the drive settings of Intel's integrated graphics card and NVIDIA[Detailed]
Is the receiving fax color normal?If the received fax is also shallow, then: 1. Replace the Ricoh brand fax paper, 2. Replace the thermal head. If only the copy is shallow[Detailed]
According to the situation described by the building owner, it should be the hardware problem of the fax machine. It is recommended to directly contact the manufacturer's after-sales service for inspection and maintenance to determine the printer's[Detailed]
This is a fax machine. How to set the blacklist? In the inbox, if you don't want to receive a fax of any number, click "Black" after this fax record[Detailed]