• Code: 0030
• Description: FAX control PWB system error
  Processing with the fax software was disabled due to a hardware problem.
• Causes: Defective PWB.
• Remedy: 1. Turn the main power swtch off and after 5 seconds, re-mount the FAX controller PWB, then turn power on. 2. Reinstall the fax software. 3. Replace the FAX control PWB.

• Code: 0070
• Description: FAX control PWB incompatible detection error
  In the initial communication with the FAX control PWB, the normal communication command is not transmitted.
• Causes: Defective FAX software. Defective PWB.
• Remedy: Defective FAX software. 1. Install the FAX system designed for the model. 2. Reinstall the fax software.
  Defective PWB. Replace the fax control PWB and check for correct operation.

• Code: 0100
• Description: Backup memory device error
• Causes: Defective flash memory. Defective PWB.
• Remedy: Defective flash memory. 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check that the EEPROM on the main circuit PWB is peroperly installed on the main circuit PWB and, if not, re-install it.
  Defective PWB. Replace the main PWB and check for correct operation.

• Code: 0120
• Description: MAC address data error
  The data includes an invalid MAC address
• Causes: Defective flash memory. Defective PWB.
• Remedy: Defective flash memory. 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check the MAC address on the network status page. 3. If it is blank, obtain an EEPROM with its MAC address written from the service support and install.
  Defective PWB. Replace the main PWB and check for correct operation.

• Code: 0130
• Description: Backup memory read/write error (main PWB)
  Mismatch between writing data and reading data successively.
• Causes: Defective NAND. Defective PWB.
• Remedy: Defective NAND. Turn the main power swtch off and after 5 seconds, then turn power on.
  Defective PWB. Replace the main PWB and check for correct operation.

• Code: 0140
• Description: Backup memory data error (main PWB)
  When the data read from NAND is abnormalities
• Causes: Defective flash memory. Defective PWB.
• Remedy: Defective flash memory. 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Execute U021 - memory initializing.(see page 1-3-32)
  Defective PWB. Replace the main PWB and check for correct operation.

• Code: 0150
• Description: Backup memory read/write error (engine PWB)
  No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated 5 times successively. Mismatch of reading data from 2 locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.
• Causes: The engine PWB EEPROM was improperly installed. Defective PWB. Defective EEPROM.
• Remedy: The engine PWB EEPROM was improperly installed. 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Check that the EEPROM is peroperly installed on the engine PWB and reinstall it.
  Defective PWB. Replace the engine PWB and check for correct operation.
  Defective EEPROM. Check the EEPROM and if the data are currupted, contact the service support.

• Code: 0160
• Description: Backup memory data error (engine PWB)
• Causes: Defective flash memory. Defective PWB. Defective EEPROM.
• Remedy: Defective flash memory. 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Execute U021 - memory initializing.(see page 1-3-32)
  Defective PWB. Replace the engine PWB and check for correct operation.
  Defective EEPROM. Check the EEPROM and if the data are currupted, contact the service support.