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Kyocera KM6030

  • Code: C4200
  • Description: BD steady-state problem • ASIC of the main PWB detects a BD error A for 4000 ms after the polygon motor rotation has been stabilized.
  • Causes: Defective laser diode. Defective polygon motor. Defective main PWB. Poor contact in connector terminals.
  • Remedy: Defective laser diode. Replace the laser scanner unit. Defective polygon motor. Replace the laser scanner unit. Defective main PWB. Replace the main PWB and check for correct operation. Poor contact in connector terminals. Check the connection of connector YC8 on the main PWB and the continuity across the connector terminals. Repair or replace if necessary.
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