• Code: 674-0011-07
• Description: Fax Board communication error
• Causes: A communication error occurred when starting the Timer Device used for fax.
• Remedy: Check/replace the Main Controller PCB

• Code: 674-0020-07
• Description: Fax Board communication error
• Causes: An error occurred in the modem IC used for fax.
• Remedy: [Related parts] R1.00 - Harness between the Fax Board and the Riser PCB - Fax Board - Riser PCB - Main Controller PCB [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 674-0030-07
• Description: Fax Board communication error
• Causes: Check sum error
• Remedy: System software download for 2 line FAX

• Code: 674-0100-07
• Description: Fax Board communication error
• Causes: After completion of fax communication, writing of the communication information (log) failed, and the log could not be read.
• Remedy: Turn OFF and then ON the main power. [CAUTION] The previous communication information (log) will be cleared by turning OFF and then ON the main power.

• Code: 674-0300-07
• Description: Fax configuration error
• Causes: It was detected that there was a Fax Board for multiple lines installed while the IP Fax license was enabled.
• Remedy: 1. Remove the Fax Board for multiple lines to use the machine as an IP Fax model. 2. Uninstall the IP Fax license to use the machine as a G3 Fax model.

• Code: 674-0301-07
• Description: Fax configuration error
• Causes: It was detected that there was no 1-line Fax Board installed while the IP Fax license was enabled.
• Remedy: 1. Install the Fax Board (1-line) to use the machine as an IP Fax model. 2. Uninstall the IP Fax license and install the G3 Fax Board to use the machine as a G3 Fax model.S15

• Code: 677-0001-00
• Description: Print server error
• Causes: Abnormality detected on the exhaust fan operation of printer server
• Remedy: 1. Check supplying power to the exhaust fan 2. Exhaust fan replacement

• Code: 677-0003-00
• Description: Print server error
• Causes: An error in the fan of the Print Server was detected.
• Remedy: [Related parts] R1.00 - Print Server Fan - Main Controller PCB [Remedy] Check/replace the related harness/cable, connector and parts.