Description: Paper has jammed during duplex printing.
Remedy: 1. Open the side door and remove the jammed paper. 2. If there is not jammed paper but the error message is occurred, check the duplex sensor. (Component Test)
Code: 17
Display: Paper Jam inside of machine
Description: Paper has jammed in the registration area
Remedy: 1. Open the Side door and remove the jammed paper. 2. If there is not jammed paper but the error is occured, Check the Registration Sensor (Component Test -> Sensor Read -> RG value) 3. If the paper stopped after actuating the Exit sensor, Check the Exit sensor (Component Test -> Sensor Read -> EX value)
Code: 18
Display: Scanner locking switch is locked or another problem occurred.
Description: The CCD lock has been locked.
Remedy: 1. Unlock the CCD Lock 2. Check the CCDM. Is is moving when scanning. Check the FFC cable. If there is defective, change it. 3. If the problem persists after removing the FFC cable, replace the DADF board. 4. Check the Scan-motor. If there is defective, change it.
Code: 19
Display: Sensor Failure [zzz]. Call for service
Description: There is a problem in the sensor signal
Remedy: Find the defective sensor. And replace the new one.
Code: 20
Display: Shake toner cartridge.
Description: The toner supply is low.
Remedy: Thoroughly roll the new cartridge five or six times to distribute the toner evenly inside the cartridge.
Code: 21
Display: This IP address conflicts with an IP address already in use. Check it
Description: The IP address is used in other place elsewhere.
Remedy: Check the IP address or obtain a new IP address.