• Code: 016-501
• Description: Controller Boot Flash Write Error Unable to write the Download File of Controller Boot into the Flash ROM.
• Remedy: 1. Turn the power OFF and ON. 2. If the problem persists, replace the ESS/MCU PWB (PL 18.3).

• Code: 016-502
• Description: UI Panel Download Flash Write Error Unable to write the Download File of UI Panel into the Flash ROM.
• Remedy: 1. Turn the power OFF and ON. 2. If the problem persists, replace the following parts in sequence: • ESS/MCU PWB (PL 18.3) • UI PWB (PL 1.10)

• Code: 016-504
• Description: UI panel Font Download Flash Write Error Unable to write the Download File of UI Panel Font into the Flash ROM
• Remedy: 1. Turn the power OFF and ON. 2. If the problem persists, replace the following parts in sequence: • Control Panel (PL 1.10) • ESS/MCU PWB (PL 18.3)

• Code: 016-570
• Description: No Response from USB-Host for Scan Job When any of the following has occurred as Scan to PC (USB) is in progress. • The command from the PC was disrupted for 5 seconds. • The machine has detected a communication error with the USB Device. • The sending of commands to the PC remained unsuccessful even when 500 ms has passed. (The time-out time is the time calculated from the size of the data being sent only when sending image data.)
• Remedy: 1. Press [Stop] on the UI Panel. 2. Check the connection of the USB Cable between this machine and the PC. 3. Check the status (is it powered OFF, frozen, etc.) of the PC.

• Code: 016-571
• Description: No Response from USB-Host for Print Job When any of the following has occurred as USB Print or Download data interpretation is in progress. • The command from the PC was disrupted for 2 minutes. • The machine has detected a communication error with the USB Device. • The sending of commands to the PC remained unsuccessful even when 500 ms has passed. NOTE: This Fault will clear automatically. (It will not be displayed on the UI Panel)
• Remedy: 1. Check the connection of the USB Cable between this machine and the PC. 2. Check the status (is it powered OFF, frozen, etc.) of the PC.

• Code: 024-910, 024-911, 024-915
• Description: Tray 1/Tray 2/MSI Paper Length Mismatch The Paper Size for the applicable Tray is longer by 10.1 mm or more, or shorter by 13.1 mm or more than the setting.
• Remedy: Check the following: • Check whether the size of the paper loaded in the Tray is the same as the size of the Paper Guide. • Transportation failure due to foreign substance on the document path. • The surface of the Feed Roll, T/A Roll 2 (Tray 2), Regi Roll, and Idler Roll of the applicable Tray for foreign substances. • The surface of the Feed Roll, T/A Roll 2 (Tray 2), Regi Roll, and Idler Roll of the applicable Tray for wear. • The Regi Sensor (Input Check [071-105]) for operation failure. (PL 15.1) • The Regi Clutch (Output Check [071-001]) for operation failure. (PL 15.1) • The MSI Feed Clutch (Output Check [072-014]) for operation failure. (MSI) (PL 13.3) • The BTR for contamination, wear, and transportation failure due to deterioration. • The Drive Gear for wear and damage. • Usage of out of spec paper. If no problems are found, replace the ESS/MCU PWB (PL 18.3).

• Code: 024-912
• Description: Tray 3 Paper Length Mismatch The Paper Size for the applicable Tray is longer by 10.1 mm or more, or shorter by 13.1 mm or more than the setting.
• Remedy: Check the following: • Check whether the size of the paper loaded in Tray 3 is the same as the size of the Paper Guide. • Transportation failure due to foreign substance on the document path. • The surface of the Feed Roll, T/A Roll (Tray 3), Regi Roll, and Idler Roll of the applicable Tray for foreign substances. • The surface of the Feed Roll, T/A Roll (Tray 3), Regi Roll, and Idler Roll of the applicable Tray for wear. • The Regi Sensor (Input Check [071-105]) for operation failure. (PL 15.1) • The Regi Clutch (Output Check [071-001]) for operation failure. (PL 15.1) • The MSI Feed Clutch (Output Check [072-014]) for operation failure. (MSI) (PL 13.3) • The BTR for contamination, wear, and transportation failure due to deterioration. • The Drive Gear for wear and damage. • Usage of out of spec paper. If no problems are found, replace the ESS/MCU PWB. (PL 18.3)

• Code: 024-913
• Description: Tray 4 Paper Length Mismatch The Paper Size for the applicable Tray is longer by 10.1 mm or more, or shorter by 13.1 mm or more than the setting.
• Remedy: Check the following: • Check whether the size of the paper loaded in Tray 4 is the same as the size of the Paper Guide. • Transportation failure due to foreign substance on the document path. • The surface of the Feed Roll, T/A Roll (Tray 4), Regi Roll, and Idler Roll of the applicable Tray for foreign substances. • The surface of the Feed Roll, T/A Roll (Tray 4), Regi Roll, and Idler Roll of the applicable Tray for wear. • The Regi Sensor (Input Check [071-105]) for operation failure. (PL 15.1) • The Regi Clutch (Output Check [071-001]) for operation failure. (PL 15.1) • The MSI Feed Clutch (Output Check [072-014]) for operation failure. (MSI) (PL 13.3) • The BTR for contamination, wear, and transportation failure due to deterioration. • The Drive Gear for wear and damage. • Usage of out of spec paper. If no problems are found, replace the ESS/MCU PWB. (PL 18.3)