• Code: 7233
• Description: Short-circuited LSU thermistor M The sensor input sampling is less than 69.
• Causes: Defective connector cable or poor contact in the connector.
  Defective LSU thermistor M.
  Defective engine 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. Laser scanner unit and LSU relay PWB (YC8) LSU relay PWB (YC3) and engine PWB (YC12)
  Defective LSU thermistor M. Replace the laser scanner unit.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 7234
• Description: Short-circuited LSU thermistor Y
  The sensor input sampling is less than 69.
• Causes: Defective connector cable or poor contact in the connector.
  Defective LSU thermistor Y.
  Defective engine 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. Laser scanner unit and LSU relay PWB (YC12) LSU relay PWB (YC3) and engine PWB (YC12)
  Defective LSU thermistor Y. Replace the laser scanner unit.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 7241
• Description: Broken developer thermistor K wire
  The sensor input sampling is greater than 230.
• Causes: Defective connector cable or poor contact in the connector.
  Defective developer thermistor K.
  Defective engine 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. Developer unit K and front PWB (YC9) Front PWB (YC2) and engine PWB (YC10)
  Defective developer thermistor K. Replace developer unit K.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 7242
• Description: Broken developer thermistor C wire
  The sensor input sampling is greater than 230.
• Causes: Defective connector cable or poor contact in the connector
  Defective developer thermistor C.
  Defective engine 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. Developer unit C and front PWB (YC13) Front PWB (YC2) and engine PWB (YC10)
  Defective developer thermistor C. Replace developer unit C.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 7243
• Description: Broken developer thermistor M wire
  The sensor input sampling is greater than 230.
• Causes: Defective connector cable or poor contact in the connector.
  Defective developer thermistor M.
  Defective engine 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. Developer unit M and front PWB (YC11) Front PWB (YC2) and engine PWB (YC10)
  Defective developer thermistor M. Replace developer unit M.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 7244
• Description: Broken developer thermistor Y wire
  The sensor input sampling is greater than 230.
• Causes: Defective connector cable or poor contact in the connector.
  Defective developer thermistor Y.
  Defective engine 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. Developer unit Y and front PWB (YC15) Front PWB (YC2) and engine PWB (YC10)
  Defective developer thermistor Y. Replace developer unit Y.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 7251
• Description: Short-circuited developer thermistor K
  The sensor input sampling is less than 69.
• Causes: Defective connector cable or poor contact in the connector.
  Defective developer thermistor K.
  Defective engine 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. Developer unit K and front PWB (YC9) Front PWB (YC2) and engine PWB (YC10)
  Defective developer thermistor K. Replace developer unit K.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 7252
• Description: Short-circuited developer thermistor C
  The sensor input sampling is less than 69.
• Causes: Defective connector cable or poor contact in the connector
  Defective developer thermistor C.
  Defective engine 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. Developer unit C and front PWB (YC13) Front PWB (YC2) and engine PWB (YC10)
  Defective developer thermistor C. Replace developer unit C.
  Defective engine PWB. Replace the engine PWB and check for correct operation.