• Code: 024-920
• Description: IOT Standard Stacker Full Cause: Output Tray Full is Detected.
• Remedy: 1 • Check the shapes of the ACTUATOR FULL STACK • Do the ACTUATOR FULL STACK move smoothly? Do they have any damage? Replace the ACTUATOR FULL STACK. Go to Step 2. 2 • Execute the Diag Digital Input 071-122 to check the operation of the FULL STACK SENSOR. • Is the FULL STACK SENSOR operating normally? Replace (MCU PWB)
  1 • Check the connection between the FULL STACK SENSOR and the MCU PWB. • Is the EXIT SENSOR HARNESS ASSEMBLY (P/J272 - P/J27) connected securely? Go to Step 2. Securely connect the EXIT SENSOR HARNESS ASSEMBLY 2 • Replace the EXIT SENSOR HARNESS ASSEMBLY. • Does an error occur? Go to Step 3. Troubleshooting complete. 3 • Replace (Full Stack Sensor). • Does an error occur? Replace (MCU PWB) Troubleshooting complete.

• Code: 024-958
• Description: MSI Paper Size Mismatch Cause: The size of paper in the MSI does not match the specified print size.
• Remedy: 1. Open/close Tray, or reseat paper on manual feed tray. 2. Use the paper that meets the specifications. 3. Make sure that you are using the correct printer driver. 4. Check the Paper Size and Paper Type of the Tray Setting menu on the printer operator panel and the printer driver. 5. If the problem cannot be solved, replace the corresponding paper feed rolls. • MSI FEED ROLL / NUDGER ROLL (PL 2.6 MSI) • MSI RETARD ROLL (PL 2.7 Bypass Tray) • RUBBER ROLL ASSEMBLY (PL 2.2 Transport Assembly) • REGI PINCHROLL ASSEMBLY (PL 2.2 Transport Assembly) • REGI PINCH ROLL (PL 2.2 Transport Assembly)

• Code: 024-959 ... 024-963
• Description: 024-959 Tray 1 No Suitable Paper 024-960 Tray 2 No Suitable Paper 024-961 Tray 3 No Suitable Paper 024-962 Tray 4 No Suitable Paper 024-963 MSI No Suitable Paper Cause: • Displayed when any of the following errors occur and tray setting needs to be changed after paper is loaded. • When paper source auto selection is selected, paper sizes of all existing trays do not match. (All Tray Size Mismatch) • When a tray is specified, no paper is loaded in the specified tray. (Specified Tray Emptied • When a tray is specified, paper size loaded in the specified tray does not match. (Specified Tray Size Mismatch • When Substitute Tray is Off and a paper type is specified, there is no tray loading the specified paper type. (Specified Tray Media Mismatch)
• Remedy: 1. Change tray setting, or cancel the job. 2. Use the paper that meets the specifications. 3. Check the Paper Size of the Tray Setting menu on the printer operator panel and the printer driver.

• Code: 026-720
• Description: USB Memory Full Cause: Writing to USB memory failed.
• Remedy: The machine will recover after the OK or Close button is pressed or message is displayed for specified time. If the error persists: 1. Delete unnecessary data. Change the USB Memory that satisfies the specification. 2. Ensure that the error is replicated after the printer is powered Off and then On, and then replace the following parts in sequence. • (Front USB PWB) • (ESS PWB)

• Code: 026-721
• Description: USB Memory Write Error Cause: Writing to USB memory failed.
• Remedy: The machine will recover after the OK or Close button is pressed or message is displayed for specified time. If the error persists: 1. Change the USB Memory that satisfies the specification. 2. Ensure that the error is replicated after the printer is powered Off and then On, and then replace the following parts in sequence. • (Front USB PWB) • (ESS PWB)

• Code: 027-446
• Description: IPv6 Duplicate Cause: At start-up, detect duplicate IPv6 address on network.
• Remedy: 1. Duplicate IPv6 addresses have been detected. Contact the system administrator. 2. Remove duplicates and then power off the printer and then on.Take corrective actions at the host side.

• Code: 027-452
• Description: IPv4 duplicate Cause: At start-up, detect duplicate IPv4 address on network.
• Remedy: 1. Duplicate IPv4 addresses have been detected. Contact the system administrator. 2. Remove duplicates and then power off the printer and then on. Take corrective actions at the host side.

• Code: 031-521
• Description: SMB Error Cause: In SMB scan, login-able workstation is restricted.
• Remedy: The machine will recover after the OK or Close button is pressed or message is displayed for specified time. If the error persists: 1. About user settings, confirm the following with the system administrator. Restriction on loginable workstation. 2. Perform the following in sequence. • " Network System Fault Check" • " Network-related Details Check Flow" 3. Ensure that the error is replicated after the printer is powered Off and then On, and then replace (ESS PWB).