Description: Exposure lamp error The exposure lamp is not turned on.
Causes: Defective FFC between scanner PWB (YC103) and control PWB (YC6), or improper FFC insertion. Defective FFC between CCD PWB (YC1) and control PWB (YC8). Defective harness between CCD PWB (YC3) and inverter PWB (YC101), or improper connector insertion. Defective harness between inverter PWB (YC102) and exposure lamp, or improper connector insertion. Defective exposure lamp. Defective inverter PWB. Defective control PWB.
Remedy: Defective FFC between scanner PWB (YC103) and control PWB (YC6), or improper FFC insertion. Reinsert the FFC. Also check for continuity within the FFC. If none, remedy or replace the FFC. Defective FFC between CCD PWB (YC1) and control PWB (YC8). Replace the image scanner unit (ISU). Defective harness between CCD PWB (YC3) and inverter PWB (YC101), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. Defective harness between inverter PWB (YC102) and exposure lamp, or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. Defective exposure lamp. Replace the exposure lamp. Defective inverter PWB. Replace the inverter PWB. Defective control PWB. Replace the control PWB.
Code: 3300
Description: AGC error After AGC, correct input is not obtained at CCD.
Causes: Defective FFC between CCD PWB (YC1) and control PWB (YC8). Defective exposure lamp. Defective CCD PWB. Defective control PWB.
Remedy: Defective FFC between CCD PWB (YC1) and control PWB (YC8). Replace the image scanner unit (ISU). Defective exposure lamp. Replace the exposure lamp. Defective CCD PWB. Replace the CCD PWB. Defective control PWB. Replace the control PWB.
Code: 3500
Description: CPU - ASIC (CCD PWB) communication error An error code is detected.
Causes: Defective FFC between CCD PWB (YC1) and control PWB (YC8). Defective CCD PWB. Defective control PWB.
Remedy: Defective FFC between CCD PWB (YC1) and control PWB (YC8). Replace the image scanner unit (ISU). Defective CCD PWB. Replace the CCD PWB. Defective control PWB. Replace the control PWB.
Code: 4000
Description: Polygon motor (laser scanner unit) error The polygon motor ready input is not given for 6 s during the polygon motor is ON.
Causes: Defective harness between polygon motor and control PWB (YC10), or improper connector insertion. Defective laser scanner unit. Defective control PWB.
Remedy: Defective harness between polygon motor and control PWB (YC10), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. Defective laser scanner unit. Replace the laser scanner unit. Defective control PWB. Replace the control PWB.
Code: 4200
Description: BD error (laser scanner unit) error
Causes: BD sensor does not detect laser beam due to condensation on the polygon mirror. Defective laser scanner unit. Defective control PWB.
Remedy: BD sensor does not detect laser beam due to condensation on the polygon mirror. Turn printer power off for at least 30 minutes, then turn printer on again. If not cured, replace the laser scanner unit. Defective laser scanner unit. Replace the laser scanner unit. Defective control PWB. Replace the control PWB.
Code: 6000
Description: Broken fuser heater lamp wire The fuser temperature does not rise after the fuser heater lamp has been turned on.
Causes: Poor contact in the fuser thermistor connector terminals. Poor contact in the fuser heater lamp connector terminals. Fuser thermistor installed incorrectly. Fuser thermal cutout triggered. Fuser heater lamp installed incorrectly. Broken fuser heater lamp wire.
Remedy: Poor contact in the fuser thermistor connector terminals. Reinsert the connector. Poor contact in the fuser heater lamp connector terminals. Reinsert the connector. Fuser thermistor installed incorrectly. Replace the fuser unit. Fuser thermal cutout triggered. Replace the fuser unit. Fuser heater lamp installed incorrectly. Replace the fuser unit. Broken fuser heater lamp wire. Replace the fuser unit.