Fixing Kyocera FS1120MFP Printer Error Codes in details

– Printer model: Kyocera FS1120MFP
– Fix Error codes on Kyocera FS1120MFP model and its description:

Code: 0030
Description: FAX Board System Error
Cannot communicate with the modem when activated.
Causes: Defective FAX control PWB.
Remedy: Replace the fax control PWB and check for correct operation

Code: 0100
Description: Backup memory read/write error(NOR)
Flash returns an abnormal status.
Causes: Defective flash memory. Defective main PWB.
Remedy: Defective flash memory. Replace the main PWB and check for correct operation .
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 0120
Description: MAC address data error
For data in which the MAC address is invalid.
Causes: Defective flash memory.
Remedy: Replace the main PWB and check for correct operation .

Code: 0190
Description: Backup memory error (engine)
Unable to read the main PWB IC.
Causes: Defective flash memory. Defective main PWB.
Remedy: Defective flash memory. Replace the main PWB and check for correct operation .
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 0630
Description: Scan DMA error
Unable to transfer DMA.
Causes: Defective main PWB.
Remedy: Replace the main PWB and check for correct operation .

Code: 2000
Description: Main motor error
Pulse is not detected after 1000msec. Motor won’t stabilize after 300msec.
Causes: Defective connector cable or poor contact in the connector Defective drive transmission system of motor. Defective motor. Defective main 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. main motor and Relay PWB (YC4) Relay PWB and main PWB (YC14).
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective motor. Replace the main motor.
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 3100
Description: Scanner Carriage Error
The HP sensor won’t be opened when it is driven in the scan direction for 37.44 mm (*1) at the initial scanning when the HP sensor is cut off. The HP sensor won’t be cut off when it is driven in the return direction for 320.44mm (*2) at the initial scanning when the HP sensor is open.
Causes: Defective connector cable or poor contact in the connector. Defective home position sensor. Defective scanner motor. Defective main 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. Home position sensor and OPWB Scanner motor and main PWB (YC18)
Defective home position sensor. Replace the home position sensor.
Defective scanner motor. Replace the scanner motor.
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 3300
Description: AGC Error
The resultant AGC fell outside the range of allowance.
Causes: Defective connector cable or poor contact in the connector. CIS sensor. Defective main 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. CIS sensor and main PWB (YC8)
CIS sensor. Replace the CIS sensor.
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 3500
Description: Scan ASIC Error
The scan ASIC has been inoperative.
Causes: Defective main PWB.
Remedy: Defective main PWB. Replace the main PWB and check for correct operation .

Code: 4000
Description: Polygon motor synchronize error
Polygon motor is not stabilized within 15 s since the motor is activated. After polygon motor is stabilized, the ready signal is not detected for 7 s continuously.
Causes: Defective connector cable or poor contact in the connector. Defective polygon motor. Defective main 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. Polygon motor and main PWB (YC17)
Defective polygon motor. Replace the laser scanner unit .
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 4200
Description: BD stability error
The BD signal is not detected for 1000 ms after processing the compulsion lighting. At the interrupt in VSYNC, the BD error is detected continuously for 10 times in 400 ms intervals.
Causes: Defective connector cable or poor contact in the connector. Defective APC PWB. Defective main 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. Laser scanner unit (YC1) and main PWB (YC5)
Defective APC PWB. Replace the laser scanner unit .
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 6000
Description: Broken fuser heater
The temperature does not reach 100° C/212 °F after the fuser heater lamp has been turned on continuously for 30 s. At the time of 20 degrees or less from specified temperature, the fuser temperature does not rise by 2 degrees or more after the fuser heater lamp has been turned on continuously for 8 s.(during ready or during print)
Causes: Defective connector cable or poor contact in the connector. Fuser thermostat triggered. Defective fuser heater. Defective main 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. fuser heater lamp and Power source PWB (YC102).
Fuser thermostat triggered. Replace the fuser unit .
Defective fuser heater. Replace the fuser unit .
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 6020
Description: Abnormally high fuser thermistor temperature
Fuser thermistor detects a temperature higher than 210°C/410°F for 3 s
Causes: Deformed connector pin. Shorted fuser thermistor. Defective power source PWB. Defective main PWB.
Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
Shorted fuser thermistor. Replace the fuser unit .
Defective power source PWB. Replace the power source PWB
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 6030
Description: Broken fuser thermistor wire
Average input AD given by the thermistor is less than 2 for 300msec.
Causes: Defective connector cable or poor contact in the connector. Broken fuser thermistor wire. Fuser thermostat triggered. Defective main 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. Fuser unit and main PWB (YC15)
Broken fuser thermistor wire. Replace the fuser unit .
Fuser thermostat triggered. Replace the fuser unit .
Defective main PWB. Replace the main PWB and check for correct operation .

Code: 6400
Description: Fixing control zero cross signal error
The ZCROSS signal does not reach the main PWB for more than 2 s.
Causes: Defective connector cable or poor contact in the connector. Defective power source PWB. Defective main 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. Power source PWB (YC103) and main PWB (YC12)
Defective power source PWB. Replace the power source PWB .
Defective main PWB. Replace the main PWB and check for correct operation .

Code: F000
Description: Communication Error between Main PCB and Panel PCB
Communication failure during the start-up or operation. * : Only 3 in 1 25/26 ppm model, 4 in 1 20/21, 25/26 ppm model
Causes: Defective main PWB. Defective operation PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB .
Defective operation PWB. Replace the operation PWB and check for correct operation.

Code: F020
Description: RAM R/W error
The average AD value of the sensor input is smaller than 2 during SLP_RLY is off and 300 ms.
Causes: Defective main PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB .

Code: F040
Description: Communication Error between Main PCB and Engine PCB
Communication is failed between the controller and the engine.
Causes: Defective main PWB.
Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB .

Code: F050
Description: No Engine Main Program
Engine program failure.
Causes: Defective engine software. Defective main PWB.
Remedy: Defective engine software. Install the engine software.
Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB .