Code :

Code: 3100
Description: ISU home position error
ON/OFF of the HP sensor doesn't change after a prescribed pulse passes from power supply ON.
Causes: The scanner mirror frame is being locked after setup. Scanner motor. Home position sensor. Defective PWB.
Remedy: The scanner mirror frame is being locked after setup. Check whether the scanner mirror frame has been unlocked and unlock if necessary.
Scanner motor 1. To check the scanner motor, execute U073. 2. Move the scanner by the hand to check whether it is unusually difficult to move. 3. Check that the optical wire rope is not disengaged and engage the wire. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Scanner motor and ISC PWB (YC5) ISC PWB (YC3) and Main PWB (YC11) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the scanner motor.
Home position sensor 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Home position sensor and ISC PWB (YC8) 3. Replace the home position sensor.
Defective PWB. Replace the ISC PWB or the main PWB and check for correct operation.

Code: 3210
Description: CIS lamp error
When input value at the time of CIS illumination does not exceed the threshold value between 5 s.
Causes: CIS. Defective PWB.
Remedy: CIS 1. Execute U906 Separating Operation Release. 2. Execute CCD of U061 lamp check. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CIS and DPSHD PWB (YC2) DPSHD PWB (YC3) and DP relay PWB (YC2) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the CIS and execute U091 and U411.
Defective PWB. Replace the DP SHD PWB or the DP connect PWB and check for correct operation.

Code: 3220
Description: LED error
Causes: Defective connector cable or poor contact in the connector. Defective LED PWB. Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. 1. To check the lamp, execute U061 CCD. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. LED lamp PWB and ISC PWB (YC6) ISC PWB (YC3) and Main PWB (YC11) 3. If the wiring is disconnected, shorted or grounded, replace the wiring.
Defective LED PWB. If the LED lamp won’t light, replace the LED PWB and execut U411.
Defective PWB. Replace the ISC PWB and the main PWB and check for correct operation.

Code: 3300
Description: Optical system (AGC) error
After AGC, correct input is not obtained at CCD.
Causes: Defective connector cable or poor contact in the connector. Defective LED PWB or CCD PWB. Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. 1. To check the lamp, execute U061 CCD. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. LED lamp PWB and ISC PWB (YC6) CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and Main PWB (YC11) 3. If the wiring is disconnected, shorted or grounded, replace the wiring.
Defective LED PWB or CCD PWB. If the LED lamp won’t light, replace the LED PWB and execut U411.
Defective PWB. 1. Replace the ISU and execute U411. 2. Replace the ISC PWB and execute U411. 3. Replace the main PWB.

Code: 3310
Description: CIS AGC error After AGC, correct input is not obtained at CIS.
Causes: CIS. DPSHD PWB.
Remedy: CIS 1. Execute U906 Separating Operation Release. 2. To check the lamp, execute U061 CCD. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP CIS and DPSHD PWB (YC2) DPSHD PWB (YC3) and DP relay PWB (YC2) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the CIS and execute U091 and U411.
DPSHD PWB Replace the DPSHD PWB.

Code: 3500
Description: Communication error
A wrong read-back value.
Causes: Defective connector cable or poor contact in the connector. Defective CCD PWB. Defective PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CCD PWB and ISC PWB (YC9) ISC PWB and main PWB (YC11)
Defective CCD PWB. Replace the image scanner unit.
Defective PWB. Replace the main PWB and check for correct operation.