• Code: 0030
• Description: FAX Board System Error
  Cannot communicate with the modem when activated.
• Causes: Defective FAX control PWB.
• Remedy: Replace the fax control PWB and check for correct operation

• Code: 0100
• Description: Backup memory read/write error(NOR)
  Flash returns an abnormal status.
• Causes: Defective flash memory. Defective main PWB.
• Remedy: Defective flash memory. Replace the main PWB and check for correct operation .
  Defective main PWB. Replace the main PWB and check for correct operation .

• Code: 0120
• Description: MAC address data error
  For data in which the MAC address is invalid.
• Causes: Defective flash memory.
• Remedy: Replace the main PWB and check for correct operation .

• Code: 0190
• Description: Backup memory error (engine)
  Unable to read the main PWB IC.
• Causes: Defective flash memory. Defective main PWB.
• Remedy: Defective flash memory. Replace the main PWB and check for correct operation .
  Defective main PWB. Replace the main PWB and check for correct operation .

• Code: 0630
• Description: Scan DMA error
  Unable to transfer DMA.
• Causes: Defective main PWB.
• Remedy: Replace the main PWB and check for correct operation .

• Code: 2000
• Description: Main motor error
  Pulse is not detected after 1000msec. Motor won’t stabilize after 300msec.
• Causes: Defective connector cable or poor contact in the connector Defective drive transmission system of motor. Defective motor. Defective main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. main motor and Relay PWB (YC4) Relay PWB and main PWB (YC14).
  Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective motor. Replace the main motor.
  Defective main PWB. Replace the main PWB and check for correct operation .

• Code: 3100
• Description: Scanner Carriage Error
  The HP sensor won't be opened when it is driven in the scan direction for 37.44 mm (*1) at the initial scanning when the HP sensor is cut off. The HP sensor won't be cut off when it is driven in the return direction for 320.44mm (*2) at the initial scanning when the HP sensor is open.
• Causes: Defective connector cable or poor contact in the connector. Defective home position sensor. Defective scanner motor. Defective main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Home position sensor and OPWB Scanner motor and main PWB (YC18)
  Defective home position sensor. Replace the home position sensor.
  Defective scanner motor. Replace the scanner motor.
  Defective main PWB. Replace the main PWB and check for correct operation .

• Code: 3300
• Description: AGC Error
  The resultant AGC fell outside the range of allowance.
• Causes: Defective connector cable or poor contact in the connector. CIS sensor. Defective main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CIS sensor and main PWB (YC8)
  CIS sensor. Replace the CIS sensor.
  Defective main PWB. Replace the main PWB and check for correct operation .