• Code: 093-925, 093-926, 093-928, 093-973
• Description: 093-925 Toner CRUM Error 093-926 Toner CRUM ID Error 093-928 Toner Type Error 093-973 Toner Detached Cause: 093-925: The Toner CRUM error was detected. 093-926: The Toner CRUM ID error was detected. 093-928: The Toner Type Error was detected. 093-973: Toner Detached
• Remedy: 1 Is the DRUM CARTRIDGE installed properly, with no foreign substances at the contact point between the CRUM in the TONER CARTRIDGE and theTONER DISPENSE CRUM ASSEMBLY? Go to Step 2. Reinstall the TONER CARTRIDGE 2 Is the TONER CARTRIDGE, which is installed in the device, a genuine product? Go to Step 3. Replace the TONER CARTRIDGE with a genuine product 3 Is the connection terminal of the CRUM part in the TONER CARTRIDGE damaged? Replace the TONER CARTRIDGE Go to Step 4. 4 Is the connection terminal of the TONER DISPENSE CRUM ASSEMBLY damaged? Replace (Toner Dispense CRUM Assembly) Go to Step 5. 5 • Check the connection between the CONNECTOR ASSEMBLY, the CRUM TONER, and the MCU PWB. • Is the XEROGRAPHIC CRUM HARNESS ASSEMBLY(P/J253 - P/J25) connected securely? Go to Step 6. Securely connect the XEROGRAPHIC CRUM HARNESS ASSEMBLY 6 • Replace the TONER CARTRIDGE. • Does an error occur? Go to Step 7. Troubleshooting complete. 7 • Replace (MCU PWB) • Does an error occur? Go to Step 8. Troubleshooting complete. 8 • Replace the XEROGRAPHIC CRUM HARNESS ASSEMBLY • Does an error occur? Replace (MCU PWB) Troubleshooting complete.

• Code: 093-933
• Description: Toner Life Over Cause: It was detected that the Toner Cartridge needed to be replaced soon.
• Remedy: The Toner Cartridge is approaching the replacement time. Prepare a new Toner Cartridge.

• Code: 116-210
• Description: USB Host Error Cause: Fatal error of USB Host driver.
• Remedy: 1. Turn the power Off and On to check that the error recurs. 2. Update to the latest F/W. 3. If the problem cannot be solved, replace (ESS PWB).

• Code: 116-312, 116-313
• Description: 116-312 Encryption Key Error 116-313 Encryption Setting Error Cause: 116-312: Encryption key mismatch. 116-313: Encryption setting mismatch.
• Remedy: 1 Is the Connector (P/J221) between the SD CARD and the ESS PWB free of broken/bent pins, foreign substances, burns, and etc., and is the unit installed properly? Go to Step 2. Reinstall the SD CARD 2 • Re-set up the security of the SD CARD. • Does an error occur? Go to Step 3. Troubleshooting complete. 3 • Replace the SD CARD. • Does an error occur? Replace (ESS PWB) Troubleshooting complete.

• Code: 116-314
• Description: MAC Address Error Cause: On Board Network MAC Address Checksum Error.
• Remedy: 1. Turn the power Off and On to check that the error recurs, then replace (ESS PWB).

• Code: 116-315
• Description: ESS On Board RAM W/R Check Fail Cause: Detected by On Board RAM W/R Check at the time of initialization.
• Remedy: 1. Turn the power Off and On to check that the error recurs. 2. Update to the latest F/W. 3. If the problem cannot be solved, replace (ESS PWB).

• Code: 116-317
• Description: ESS ROM Check (Main) Fail Cause: Main Program ROM checksum error.
• Remedy: 1. Turn the power Off and On to check that the error recurs. 2. Update to the latest F/W. 3. If the problem cannot be solved, replace (ESS PWB).

• Code: 116-324
• Description: ESS Illegal Exception Cause: CPU illegal exception.
• Remedy: 1. Turn the power Off and On to check that the error recurs. 2. Update to the latest F/W. 3. If the problem cannot be solved, replace (ESS PWB).