• Code: C2000
• Description: Main motor problem
  Stable OFF is detected for 1 s continuously after main motor stability.
• Causes: Poor contact in the connector terminals.
  Defective drive transmission system.
  Defective main motor.
  Defective engine PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC10 on the engine PWB and the connector on the main motor, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective main motor. Replace the main motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: C2200
• Description: Drum motor problem
  Stable OFF is detected for 1 s continuously after drum motor stability.
• Causes: Poor contact in the connector terminals.
  Defective drive transmission system.
  Defective drum motor.
  Defective engine PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC10 on the engine PWB and the connector on the drum motor, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective drum motor. Replace the drum motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: C2500
• Description: Paper feed motor error
  Stable OFF is detected for 1 s continuously after paper feed motor stability.
• Causes: Poor contact in the connector terminals.
  Defective drive transmission system.
  Defective paper feed motor.
  Defective engine PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC10 on the engine PWB and the connector on the paper feed motor, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective paper feed motor. Replace the paper feed motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: C2600
• Description: PF paper drive motor error (optional paper feeder)
  The lock signal of the motor is detected above 500 ms.
• Causes: Poor contact in the connector terminals.
  Defective drive transmission system
  Defective PF paper drive motor.
  Defective PWB
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC22 on the engine PWB and the connector on the PF main PWB, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective PF paper drive motor. Replace the PF paper drive motor.
  Defective PWB. Replace the PF main PWB or engine PWB and check for correct operation.

• Code: C3100
• Description: Scanner carriage problem
  The home position is not correct when the power is turned on or at the start of copying using the table.
• Causes: Poor contact in the connector terminals.
  Defective home position switch.
  Defective scanner motor.
  The mirror frame, exposure lamp, or scanner wire is defective.
  Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC6 on the scanner PWB and the connector of the home position switch, and the connection of connector YC3 on the scanner PWB and the connector on the scanner motor and the continuity across the connector terminals. Repair or replace if necessary.
  Defective home position switch. Replace the scanner home position switch.
  Defective scanner motor. Replace the scanner motor.
  The mirror frame, exposure lamp, or scanner wire is defective. Check if the mirror flames and exposure lamp are on the rail. And check the scanner wire winds correctly.
  Defective PWB. Replace the scanner PWB or main PWB and check for correct operation.

• Code: C3200
• Description: Exposure lamp problem
  When input value at the time of exposure lamp illumination does not exceed the threshold value between 5 s.
• Causes: Poor contact in the connector terminals.
  Defective exposure lamp.
  Incorrect shading position.
  Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC5 on the scanner PWB and the connector on the inverter PWB, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective exposure lamp. Replace the exposure lamp.
  Incorrect shading position. Adjust the position of the contact glass (shading plate). If the problem still occurs, replace the home position switch.
  Defective PWB. Replace the scanner PWB or inverter PWB and check for correct operation.

• Code: C3300
• Description: Optical system (AGC) problem
  After AGC, correct input is not obtained at CCD.
• Causes: Poor contact in the connector terminals.
  Defective exposure lamp.
  Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC26 on the main PWB and the connector on the CCD PWB, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective exposure lamp. Replace the exposure lamp.
  Defective PWB. Replace the main PWB or CCD PWB and check for correct operation.

• Code: C3500
• Description: Communication error between scanner and SHD An error code is detected.
• Causes: Poor contact in the connector terminals.
  Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC26 on the main PWB and the connector on the CCD PWB, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective PWB. Replace the main PWB or CCD PWB and check for correct operation.