Sharp MX5170FN

• Code: U6-51
• Description: LCC - Main unit combination trouble
• Causes: Improper combination between the main unit and the LCC. Desk control PWB trouble.
• Remedy: Install a LCC which is proper for the main unit mode. Replace the LCC control PWB.

• Code: U6-52
• Description: Desk connection error
• Causes: Connection failure between the machine and paper feed tray 2 (desk unit) PCU PWB trouble.
• Remedy: Check connection of the connector and the harness. Replace the PCU PWB.

• Code: U6-54
• Description: Option installation combination trouble (LCC)
• Causes: firmware version is inconsistency
• Remedy: update latest firmware version

• Code: U6-55
• Description: Option installation combination trouble (DESK)
• Causes: firmware version is inconsistency
• Remedy: update latest firmware version

• Code: U7-50
• Description: SCN-MFP PWB - Vendor machine communication error
• Causes: Improper setting of the vendor machine specifications (SIM26-3). Vendor machine trouble. SCN-MFP PWB trouble. Connector, harness connection trouble. Strong external noises.
• Remedy: Cancel the error by turning OFF/ON the power. Check the connector and the harness in the communication line. Change the specifications of the vendor machine (SIM26-3). Replace the SCN-MFP PWB.

• Code: U7-51
• Description: Vendor machine error
• Causes: Serial vendor machine trouble. Connector, harness connection trouble
• Remedy: Err.XX is displayed on the operation panel of the vendor. (XX is the detail code.) Repair the vendor machine referring to the detail code. Check the connector and the harness in the communication line.