• Code: 1020
• Description: PF lift motor error (Paper feeder first cassette) The following states have been detected 5 times in succession. After the cassette is installed, the upper limit detection sensor does not turn on when passing the specified time. During printing, after the upper limit detection sensor detects off, and 1 s after ascending control, and the upper limit detection sensor does not detect on. In case the lift motor current detection AD value exceeds the threshold 500ms in succession while the lift motor is operated.
• Remedy: Bottom plate Check if the bottom plate can move smoothly and repair or replace it if any problem is found. Defective connector cable or poor contact in the connector 1. Reconnect the connector if its connection is loose. 2. If a wire is pinched by another component, or has defective conduction, replace it. PF lift motor - PF main PWB (YC6) PF lift sensor - PF main PWB (YC4) PF main PWB - Engine PWB(YC23): 30 ppm model - Engine PWB(YC20): 35/40 ppm models Lift motor Drive transmission system 1. Check if the gears rotate smoothly. If not, clean the bushes and gears. 2. Check for broken gears and replace if any are found. PF lift motor Replace the PF lift motor. PF lift sensor (upper limit detection sensor) 1. Check if the PF lift sensor can be turned ON/OFF to suit the rise of the cassette bottom plate. 2. Replace the PF lift sensor. PF main PWB Replace the PF main PWB. Engine PWB Replace the engine PWB.

• Code: 1030
• Description: PF lift motor error (Paper feeder second cassette) The following states have been detected 5 times in succession. After the cassette is installed, the upper limit detection sensor does not turn on when passing the specified time. During printing, after the upper limit detection sensor detects off, and 1 s after ascending control, and the upper limit detection sensor does not detect on. In case the lift motor current detection AD value exceeds the threshold 500ms in succession while the lift motor is operated.
• Remedy: Bottom plate Check if the bottom plate can move smoothly and repair or replace it if any problem is found. Defective connector cable or poor contact in the connector 1. Reconnect the connector if its connection is loose. 2. If a wire is pinched by another component, or has defective conduction, replace it.
  PF lift motor - PF main PWB (YC6) PF lift sensor - PF main PWB (YC4) PF main PWB - Engine PWB(YC23): 30 ppm model - Engine PWB(YC20): 35/40 ppm models Lift motor Drive transmission system 1. Check if the gears rotate smoothly. If not, clean the bushes and gears. 2. Check for broken gears and replace if any are found. PF lift motor Replace the PF lift motor. PF lift sensor (upper limit detection sensor) 1. Check if the PF lift sensor can be turned ON/OFF to suit the rise of the cassette bottom plate. 2. Replace the PF lift sensor. PF main PWB Replace the PF main PWB. Engine PWB Replace the engine PWB.

• Code: 1040
• Description: PF lift motor error (Paper feeder third cassette) The following states have been detected 5 times in succession. After the cassette is installed, the upper limit detection sensor does not turn on when passing the specified time. During printing, after the upper limit detection sensor detects off, and 1 s after ascending control, and the upper limit detection sensor does not detect on. In case the lift motor current detection AD value exceeds the threshold 500ms in succession while the lift motor is operated.
• Remedy: Bottom plate Check if the bottom plate can move smoothly and repair or replace it if any problem is found. Defective connector cable or poor contact in the connector 1. Reconnect the connector if its connection is loose. 2. If a wire is pinched by another component, or has defective conduction, replace it.
  PF lift motor - PF main PWB (YC6) PF lift sensor - PF main PWB (YC4) PF main PWB - Engine PWB(YC20): 30 ppm model - Engine PWB(YC23): 35/40 ppm models Lift motor Drive transmission system 1. Check if the gears rotate smoothly. If not, clean the bushes and gears. 2. Check for broken gears and replace if any are found. PF lift motor Replace the PF lift motor. PF lift sensor (upper limit detection sensor) 1. Check if the PF lift sensor can be turned ON/OFF to suit the rise of the cassette bottom plate. 2. Replace the PF lift sensor. PF main PWB Replace the PF main PWB. Engine PWB Replace the engine PWB.

• Code: 1800
• Description: Paper feeder 1 Communication error (first cassette) A communication error from the paper feeder is detected 10 times in succession.
• Remedy: Paper feeder Check the wiring connection status with the main unit, and if necessary, reconnect it.
  PF main PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. PF main PWB - Engine PWB(YC23): 30 ppm model - Engine PWB(YC20): 35/40 ppm models 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. Reinstall the PF firmware. 4. Replace the PF main PWB. Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the engine PWB.

• Code: 1810
• Description: Paper feeder 2 Communication error (second cassette) A communication error from the paper feeder is detected 10 times in succession.
• Remedy: Paper feeder Check the wiring connection status with the main unit, and if necessary, reconnect it. PF main PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. PF main PWB - Engine PWB(YC23): 30 ppm model - Engine PWB(YC20): 35/40 ppm models 2. If the wiring is disconnected, short-circuited or has a ground fault, replace the wire. 3. Reinstall the PF firmware. 4. Replace the PF main PWB. Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the engine PWB.

• Code: 1900
• Description: Paper feeder 1 EEPROM error (first cassette) When writing the data, read and write data does not match 3 times in succession.
• Remedy: PF main PWB (EEPROM) 1. Unplug the power cord from the wall outlet, and wait five seconds. Then plug in the power cord and then turn on the power switch. 2. Confirm that the wiring connector to the main unit is firmly connected, and if necessary, connect the connector all the way in. 3. Replace the PF main PWB.

• Code: 1910
• Description: Paper feeder 2 EEPROM error (second cassette) When writing the data, read and write data does not match 3 times in succession.
• Remedy: PF main PWB (EEPROM) 1. Unplug the power cord from the wall outlet, and wait five seconds. Then plug in the power cord and then turn on the power switch. 2. Confirm that the wiring connector with the PF1 is firmly connected, and if necessary, connect the connector all the way in. 3. Replace the PF main PWB.

• Code: 2101
• Description: Developer motor steadystate error (BK) After the motor is stabilized, the stable signal is turned OFF for continuous 2 s.
• Remedy: Developer unit 1. Check that the developer roller can be rotated by hand, and if it is locked, replace the developer unit.
  Developer motor 1. Check if the couplings and gears rotate smoothly, and if necessary replace them. 2. Reconnect the connector if its connection is loose. 3. Check the continuity within the connector wire. If none, replace the wire. Developer motor - Engine PWB(YC15): 30 ppm model - Engine PWB(YC22): 35/40 ppm models 4. Replace the developer motor.
  Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the engine PWB.