Fixing Kyocera FS1820 Printer Error Codes in details
– Printer model: Kyocera FS1820
– Fix Error codes on Kyocera FS1820 model and its description:
- Code: C0030
- Description: Fax control PWB system problem
• Processing with the optional fax software was disabled due to a hardware or software problem. - Causes: Defective fax control PWB.
- Remedy: Replace the fax control PWB and check for correct operation.
- Code: C0070
- Description: Fax control PWB incompatibility detection problem
• Optional fax software is not compatible with main software. - Causes: Fax software or main software is something of the other machine.
- Remedy: Check the version of the Fax software and the main software, upgrade the version to the compatible software.
- Code: C0150
- Description: Backup memory read/write problem (engine PWB)
• Read and write data does not match. - Causes: Defective backup RAM or engine PWB.
- Remedy: Replace the engine PWB and check for correct operation.
- Code: C0160
- Description: Backup memory data problem (engine PWB)
• Data in the specified area of the backup memory does not match the specified values. - Causes: Problem with the backup memory data. Defective backup RAM.
- Remedy: Turn interlock switch off and back on and run maintenance item U020 to set the contents of the backup memory data again. If the C0160 is displayed after re-setting the backup memory contents, replace the backup RAM or engine PWB.
- Code: C0170
- Description: Accounting count problem
• When the power is turned on, the total count and the scan count are abnormal both on the main PWB and the engine PWB. - Causes: Defective main PWB or engine PWB.
- Remedy: Replace the main PWB or engine PWB and check for correct operation.
- Code: C0180
- Description: Machine number mismatch
• When the power is turned on, the machine number does not match between the main PWB and the engine PWB. - Causes: Defective main PWB or engine PWB.
- Remedy: Replace the main PWB or engine PWB and check for correct operation.
- Code: C0210
- Description: Communication problem between the main PWB and engine PWB
• When the power is turned on, the machine does not detect the low level of SBSY and the high level of SDIR for three seconds. - Causes: Poor contact in the connector terminals. Defective main PWB or engine PWB.
- Remedy: Check the connection of connectors YC7 on the main PWB and YC3 on the engine PWB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the main PWB or engine PWB and check for correct operation.
- Code: C0220
- Description: Communication problem between the main PWB and operation PWB
• There is no reply after 20 retries at communication. - Causes: Poor contact in the connector terminals. Defective main PWB or operation PWB.
- Remedy: Check the connection of connectors YC13 on the main PWB and YC3 on the operation PWB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the main PWB or operation PWB and check for correct operation.
- Code: C0280
- Description: Communication problem between the fax control PWB and main PWB
• Communication between the fax control PWB and the main PWB of the machine cannot be performed normally. - Causes: Poor contact in the connector terminals. Defective main PWB or fax control PWB.
- Remedy: Check the connection of connector YC1 on the fax control PWB and the connector YC1 on the main PWB. Repair or replace if necessary. Replace the main PWB or fax control PWB and check for correct operation.
- Code: C0800
- Description: Image processing problem
• JAM05 is detected twice. - Causes: Defective engine PWB.
- Remedy: Replace the engine PWB and check for correct operation.
- Code: C0830
- Description: Flash ROM program area checksum error
• A checksum error occurred with the program of the optional fax control PWB. - Causes: Defective fax control
PWB. - Remedy: Replace the fax control PWB and check for correct operation.
- Code: C0870
- Description: Fax control PWB to main PWB highcapacity data transfer problem
• High-capacity data transfer between the optional fax control PWB and the main PWB of the machine was not normally performed even if the data transfer was retried the specified times. - Causes: Poor contact in the connector terminals. Defective fax control PWB or main PWB.
- Remedy: Check the connection of connector YC1 on the fax control PWB and YC1 on the main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Replace the fax control PWB or main PWB and check for correct operation.
- Code: C0880
- Description: Fax control PWB program archive problem
• When power is turned on, the compressed program in the Flash ROM on the optional fax control PWB was not successfully decompressed. - Causes: Defective fax control PWB.
- Remedy: Replace the fax control PWB and check for correct operation.
- Code: C0920
- Description: Fax file system error
• The backup data is not retained for file system abnormality of flash memory of the optional fax control PWB. - Causes: Defective fax control PWB.
- Remedy: Replace the fax control PWB and check for correct operation.
- Code: C2000
- Description: Main motor problem
• LOCK ALM signal remains high for 1 s, 1 s after the main motor has turned on. - Causes: Poor contact in the main motor connector terminals. Defective main motor rotation control circuit. Defective drive transmission system.
- Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the main motor. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
- Code: C3100
- Description: Scanner carriage problem
• The home position is not correct when the power is turned on or copying the document placed on the contact glass. - Causes: Poor contact of the connector terminals. Defective scanner home position sensor. Defective engine PWB or scanner PWB. Defective scanner motor.
- Remedy: Check the connection of connectors YC10, 11 on the engine PWB and the continuity across the connector terminals. Repair or replace if necessary. Replace the scanner home position sensor. Replace the engine PWB or scanner PWB and check for correct operation. Replace the scanner motor.
- Code: C3200
- Description: Exposure lamp problem
• In indicator check before starting copying, the average value in scanning of the shading plate with the CCD is 128 or more. - Causes: Defective scanner PWB. Defective exposure lamp or inverter PWB. Incorrect shading position. Poor contact of the connector terminals.
- Remedy: Replace the scanner PWB and check for correct operation. Replace the exposure lamp or inverter PWB. Adjust the position of the contact glass (shading plate). If the problem still occurs, replace the scanner home position sensor. Check the connection of connector YC7 on the scanner PWB, and the continuity across the connector terminals. Repair or replace if necessary.
- Code: C4000
- Description: Polygon motor synchronization problem
• The polygon motor does not reach the stable speed within 15 s of the START signal turning on. - Causes: Poor contact in the polygon motor connector terminals. Defective polygon motor. Defective engine PWB (KP-5238).
- Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the LSU. Replace the engine PWB and check for correct operation.
- Code: C4010
- Description: Polygon motor steady-state problem
• The polygon motor rotation is not stable for 5 s after the polygon motor rotation has been stabilized. - Causes: Poor contact in the polygon motor connector terminals. Defective polygon motor. Defective engine PWB (KP-5238).
- Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the LSU. Replace the engine PWB and check for correct operation.
- Code: C6000
- Description: Broken fusing heater wire
• In fusing warm-up, the time to reach 50 C/122 F exceeds 13.5 s, the time to reach 100 C/212 F exceeds 10 s, the time to reach the primary stabilization exceeds 10 s or the time to reach the secondary stabilization exceeds 24 s. - Causes: Poor contact in the thermistor connector terminals. Thermistor installed incorrectly. Thermal cutout triggered. Heater lamp installed incorrectly. Broken heater lamp wire.
- Remedy: Check the connection of connector YC4 on the power supply PWB and the continuity across the connector terminals. Repair or replace if necessary. Check and reinstall if necessary. Check for continuity. If none, replace the thermal cutout. Check and reinstall if necessary. Check for continuity. If none, replace the heater lamp.
- Code: C6020
- Description: Abnormally high fusing unit thermistor temperature
• The fusing temperature exceeds 230 C/446 F for 40 ms. - Causes: Shorted thermistor. Broken heater control circuit on the power supply PWB.
- Remedy: Measure the resistance. If it is 0 Ω, replace the thermistor. Replace the power supply PWB and check for correct operation.
- Code: C6050
- Description: Abnormally low fusing unit thermistor temperature
• The fusing temperature remains below 90C/194F for 1 s. - Causes: Poor contact in the thermistor connector terminals. Broken thermistor wire. Thermistor installed incorrectly. Thermal cutout triggered. Heater lamp installed incorrectly. Broken heater lamp wire.
- Remedy: Check the connection of connector YC4 on the power supply PWB and the continuity across the connector terminals. Repair or replace if necessary. Measure the resistance. If it is ∞Ω, replace the thermistor. Check and reinstall if necessary. Check for continuity. If none, replace the thermal cutout. Check and reinstall if necessary. Check for continuity. If none, replace the heater lamp.
- Code: C6400
- Description: Zero-crossing signal problem
• The engine PWB does not detect the zero-crossing signal for the time specified below. At power-on: 3 s Others: 5 s - Causes: Poor contact in the connector terminals. Defective power supply PWB. Defective engine PWB.
- Remedy: Check the connection of connectors YC7 on the engine PWB and YC2 on the power supply PWB, and the continuity across the connector terminals. Repair or replace if necessary. Check if the zero-crossing signal is output from YC2-11 on the power supply PWB. If not, replace the power supply PWB. Replace the engine PWB if C6400 is detected while YC2-11 on the power supply PWB outputs the zero-crossing signal.
- Code: C7800
- Description: Broken external temperature thermistor
• The input voltage is 0.5 V or less. - Causes: Poor contact in the operation PWB connector terminals. Defective external temperature thermistor.
- Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the operation PWB and check for correct operation.
– Kyocera FS1820 printer Error Codes and quick guide to troubleshooting:
- Code: C7810
- Description: Short-circuited external temperature thermistor
• The input voltage is 4.5 V or more. - Causes: Poor contact in the operation PWB connector terminals. Defective external temperature thermistor.
- Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the operation PWB and check for correct operation.
- Code: C7980
- Description: Waste toner reservoir overflow problem (when the total number of copies is less than 100 thousand sheets)
• After E31 is displayed, 1,000 sheets are copied. Or waste toner exceeds 5 g. - Causes: Defective waste toner sensor or engine PWB.
- Remedy: Shake the process unit from side to side and turn the power switch off and then on. If the problem cannot be solved, replace the process unit. After replacing the process unit, turn the power switch off and then on. If the problem cannot be solved, replace the waste toner sensor or the engine PWB.
- Code: C7990
- Description: Waste toner reservoir overflow problem (when the total number of copies is 100 thousand sheets or more)
• After E31 is displayed, 1,000 sheets are copied. Or waste toner exceeds 5 g. - Causes: Defective waste toner sensor or engine PWB.
- Remedy: Shake the process unit from side to side and turn the power switch off and then on. If the problem cannot be solved, replace the process unit. After replacing the process unit, turn the power switch off and then on. If the problem cannot be solved, replace the waste toner sensor or the engine PWB.
- Code: CF–
- Description: Controller system error
• After Call for Service person is indicated, the error can be cleared by turning the power switch off and then on. - Causes: Defective main PWB.
- Remedy: If this error occurs again even after the power switch is turned off and then on again, replace the main PWB and check for correct operation.
- Code: CF010
- Description: ROM checksum error
• After Call for Service person is indicated, the error can be cleared by turning the power switch off and then on. - Causes: Defective main PWB.
- Remedy: If this error occurs again even after the power switch is turned off and then on again, contact the Service Administrative Division
- Code: CF012
- Description: ROM checksum error
• After Call for Service person is indicated, the error can be cleared by turning the power switch off and then on. - Causes: Defective main PWB.
- Remedy: If this error occurs again even after the power switch is turned off and then on again, contact the Service Administrative Division.
- Code: CF1– … CF8–
- Description: Controller system error
- Causes: Defective main PWB.
- Remedy: If this error occurs again even after the power switch is turned off and then on again, contact the Service Administrative Division.
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