• Code: 241
• Description: LD error: Y
  The BCU detects LDB error a few times consecutively when LDB unit turns on after LDB initialization.
• Causes: • Worn-out LD • Disconnected or broken harness of the LD
• Remedy: 1. Replace the harness of the LD. 2. Replace the laser optics housing unit. 3. Replace the BCU.

• Code: 285
• Description: Line position adjustment (MUSIC) error
  Line position adjustment fails four consecutive times.
• Causes: • Pattern sampling error ( insufficient image density ) • Defective ID sensors for the line position adjustment • Defective image transfer belt unit • Defective PCDU(s) • Defective laser optics housing unit
• Remedy: 1. Check and reinstall the image transfer belt unit and PCDUs. 2. Check if each toner bottle has enough toner. 3. Replace the ID sensor. 4. Replace the image transfer belt unit. 5. Replace the PCDU(s). 6. Replace the laser optics housing unit.

• Code: 312
• Description: Charge P.P. output error [K]
  The feedback voltage of the charge AC for each color is 0.3 V or less for 0.2 seconds after the charge AC has turned on.
• Causes: • Disconnected or broken harnesses of the HVPS • Defective PCDU • Defective HVPS
• Remedy: 1. Check or replace the harnesses of the HVPS. 2. Reinstall or replace the PCDU. 3. Replace the HVPS.

• Code: 313
• Description: Charge P.P. output error [M]
  The feedback voltage of the charge AC for each color is 0.3 V or less for 0.2 seconds after the charge AC has turned on.
• Causes: • Disconnected or broken harnesses of the HVPS • Defective PCDU • Defective HVPS
• Remedy: 1. Check or replace the harnesses of the HVPS. 2. Reinstall or replace the PCDU. 3. Replace the HVPS.

• Code: 314
• Description: Charge P.P. output error [C]
  The feedback voltage of the charge AC for each color is 0.3 V or less for 0.2 seconds after the charge AC has turned on.
• Causes: • Disconnected or broken harnesses of the HVPS • Defective PCDU • Defective HVPS
• Remedy: 1. Check or replace the harnesses of the HVPS. 2. Reinstall or replace the PCDU. 3. Replace the HVPS.

• Code: 315
• Description: Charge P.P. output error [Y]
  The feedback voltage of the charge AC for each color is 0.3 V or less for 0.2 seconds after the charge AC has turned on.
• Causes: • Disconnected or broken harnesses of the HVPS • Defective PCDU • Defective HVPS
• Remedy: 1. Check or replace the harnesses of the HVPS. 2. Reinstall or replace the PCDU. 3. Replace the HVPS.

• Code: 325
• Description: Color development motor error
  The motor LOCK signal is not detected for more than two seconds while the motor START signal is on.
• Causes: • Color development motor slip due to an increase in the torque caused by connected components. • Defective motor
• Remedy: 1. Adjust the torque properly by replacing or cleaning the PCDU. 2. Replace the PCDU. 3. Replace the development motor: CMY if load torque is normal.

• Code: 360
• Description: TD sensor (Vt high) error 1: K
  • The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3020-002 for twenty counts. • The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3020-001.
• Causes: • Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCDU defective • Defective TD sensor.
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and PCDU for damage. 2. Check the drawer connector. 3. Replace the defective PCDU.