Display: S: LSU error T: Error: #04-002 Turn off then on
Description: LSU motor does not operate or the drive signal is abnormal.
Remedy: 1. Check No.4,9 pin of the CN21 on Main-PBA by the osiloscope. If the motor rotation starts and the signal change low for regular time, the LSU unit is normal. 2. Check the 24V power. If the voltage is not occurred, replace the SMPS. 3. Check the Motor connector, Main-PBA connector.
Code: 04-007, 04-010
Display: S: LSU error T: Error: #04-001,4,7,10 Turn off then on
Description: After LD on, the Laser beam detect signal is not occurred or irregular.
Remedy: 1. Replace the Main board. 2. If the problem persists after replacing the Main board, replace the LSU unit.
Code: 05
Display: Paper Jam in tray3
Description: Paper has jammed in the feeding area of the tray.
Remedy: 1. Take out the 3rd cassette and remove the jammed paper. 2. If the pick up roller does not rotate, check the Gear Pick up. If it is defective, replace it. 3. If the pick up roller rotates but the paper is not feeding, replace the Clutch-Feed. 4. Reconnect the CN9 connector on Main PBA 5. Check the sensor and connector in SCF.
Code: 06
Display: Jam inside machine
Description: Paper jammed in the feeding area of the tray.
Remedy: 1. Check the Spring tension of the Regi. roller and Regi shaft. If the spring is defective, replace it. 2. Replace the actuator fuser and exit sensor. 3. Reconnect the CN4,5,6,9 connector on HVPS. 4. Reconnect connector of CN1,2 on HVPS and check the flat cable.
Code: 07
Display: Jam in exit area
Description: Paper jammed in the exit area.
Remedy: 1. If the actuator fuser sensing part has some problems, replace the actuator fuser and exit sensor. 2. Reconnect the CN6 connector on HVPS. 3. Reconnect connector of CN1,2 on HVPS and check the flat cable.
Code: 08
Display: Jam of duplex
Description: Paper jammed in the duplex area.
Remedy: 1. Open the Front Cover and separate the PTB unit. Remove the Jammed paper. 2. If the paper is not reached to the duplex path after the exit sensor sensing, check the Clutch-BK deve. If it is defective, replace it.