• Code: C2600
• Description: Paper feeder paper conveying motor error (optional 3000-sheet paper feeder) The lock signal of the motor is detected avobe 450 ms. Paper feeder drive motor error (optional paper feeder) The lock signal of the motor is detected avobe 500 ms.
• Causes: Poor contact in the connector terminals. Paper feeder paper conveying motor / paper feeder drive motor does not rotate correctly (the motor is overloaded). Defective PWB. Defective motor.
• Remedy: Poor contact in the connector terminals. Check the connection of connector on the engine PWB and the connector on the paper feeder main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Paper feeder paper conveying motor / paper feeder drive motor does not rotate correctly (the motor is overloaded). Check the gears and remedy if necessary. Defective PWB. Replace the paper feeder main PWB or engine PWB and check for correct operation. Defective motor. Replace the paper feeder paper conveying motor / paper feeder drive motor.

• 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 scanner PWB. Defective scanner home position switch. Defective scanner motor. The mirror frame, exposure lamp, or scanner wire is defective.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC4 on the scanner PWB and the connector on the scanner home position switch, and the continuity across the connector terminals. Repair or replace if necessary. Defective scanner PWB. Replace the scanner PWB and check for correct operation. Defective scanner 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.

• Code: C3200
• Description: Exposure lamp problem After the reading starting, 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 scanner PWB. Defective CCD PWB. Defective exposure lamp or inverter PWB. Incorrect shading position.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC6 on the scanner PWB and the connector on the inverter PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective scanner PWB. Replace the scanner PWB and check for correct operation. Defective CCD PWB. Replace the CCD PWB and check for correct operation. Defective exposure lamp or inverter PWB. Replace the exposure lamp or inverter PWB. Incorrect shading position. Adjust the position of the contact glass (shading plate). If the problem still occurs, replace the scanner home position switch.

• Code: C3210
• Description: CIS lamp problem After the reading starting, when input value at the time of CIS illumination does not exceed the threshold value between 5 s.
• Causes: Poor contact in the connector terminals. Defective DP main PWB. Defective DP inverter PWB. Defective CIS.
• Remedy: Poor contact in the connector terminals. Check the connection of connector on the main PWB and the connector on the DP main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective DP main PWB. Replace the DP main PWB and check for correct operation. Defective DP inverter PWB. Replace the DP inverter PWB and check for correct operation. Defective CIS. Replace the CIS and check for correct operation.

• Code: C3300
• Description: CCD 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 on the SHD 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 or inverter PWB. Defective PWB. Replace the SHD PWB or CCD PWB and check for correct operation.

• Code: C3310
• Description: CIS AGC problem After AGC, correct input is not obtained at CIS.
• Causes: Defective DP main PWB. CIS output problem. Defective DP inverter PWB.
• Remedy: Defective DP main PWB. Replace the DP main PWB and check for correct operation. CIS output problem. Replace the CIS and check for correct operation. Defective DP inverter PWB. Replace the DP inverter 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 YC3 on the scanner PWB and the connector YC4 on the SHD PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective PWB. Replace the scanner PWB or SHD PWB and check for correct operation.

• Code: C3900
• Description: Backup memory read/write problem (scanner PWB) Read and write data does not match.
• Causes: Defective backup RAM or scanner PWB.
• Remedy: Defective backup RAM or scanner PWB. Replace the scanner PWB and check for correct operation.