Description: LD error: Y The BICU 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 BICU.
Code: 242
Description: LD error: M The BICU 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 BICU.
Code: 243
Description: LD error: C The BICU 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 BICU.
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 PCU(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.