AF

Original on document feeder placed wrong

C00

Battery problem or main board

C01

Battery problem or main board

C2

Drive problem

C20

Drive problem

C21

Duplex side to side registration

C3

Scan

C4

Lens motor

C40

Lens motor

C41

Mirror motor

C5

Coronas

C6

Low fuser temperature

C60

High fuser temperature

C61

Loe fuser temperature

C7

DV unit shift problem; color unit dip switch; bad fuser thermofuse

C70

DV unit shift problem; color unit dip switch; bad fuser thermofuse

C71

DV unit shift problem; color unit dip switch; bad fuser thermofuse

U1

Key counter

UF

Color unit out

C0100

Backup memory read/write problem (main PWB) Read and write data does not match.

Defective main PWB.

C0110

Backup memory data problem (main PWB) Data in the specified area of the backup memory does not match the specified values.

Problem with the backup memory data. Defective backup RAM.

C0150

Backup memory read/write problem (engine PWB) Read and write data does not match.

Defective engine PWB.

C0160

Backup memory data problem (engine PWB) Data in the specified area of the backup memory does not match the specified values.

Problem with the backup memory data. Defective backup RAM.

C0170

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.

Defective main PWB or engine PWB.

C0180

Machine number mismatch When the power is turned on, the machine number does not match between the main PWB and the engine PWB.

Data damage of EEPROM.

C0210

Communication problem between the main PWB and engine board PWB When the power is turned on, the machine does not detect the low level of SBSY and the high level of SDIR for 10 seconds.

Poor contact in the connector terminals. Defective main PWB or engine PWB.

C0240

Optional printer board PWB communication problem The printer board PWB does not respond 120 s after the power is turned on.

Poor contact in the connector terminals. Defective main PWB or printer board PWB.

C0410

Optional DP communication problem Communication fails five times successively.

DP installed incorrectly. Defective main PWB or DP driver PWB.

C0420

Optional first paper feeder communication problem Communication fails five times successively.

Paper feeder installed incorrectly. Defective main PWB or drawer main PWB.

C0500

Optional second paper feeder communication problem Communication fails five times successively.

Paper feeder installed incorrectly. Defective main PWB or drawer main PWB.

C0510

Optional third paper feeder communication problem Communication fails five times successively.

Paper feeder installed incorrectly. Defective main PWB or drawer main PWB.

C0610

Bitmap (DIMM) problem There is a problem with the data or address bus of the bitmap DRAM.

Defective main PWB. DIMM installed incorrectly. Defective DIMM.

C0620

Memory input interface problem Reading-in of an image does not complete within 10 s of the start of image transmission.

Defective main PWB.

C0630

DMA problem DMA transmission of compressed, decompressed, rotated, relocated or blanked-out image data does not complete within the specified period of time.

Defective main PWB.

C0800

Image processing problem JAM05 is detected twice

Defective engine PWB.

C2000

Drive motor problem LOCK ALM signal remains high for 1 s, 1 s after the drive motor has turned on.

Poor contact of the connector terminals. Defective drive motor rotation control circuit. Defective drive transmission system.

C3100

Scanner carriage problem The home position is not correct when the power is turned on or copying the document placed on the contact glass.

Poor contact of the connector terminals. Defective scanner home position switch. Defective engine PWB. Defective scanner motor.

C3200

Exposure lamp problem Non-lighting of the exposure lamp is detected at the beginning of copying.

Poor contact of the connector terminals. Defective exposure lamp or inverter PWB. Defective engine PWB. Incorrect shading position.

C3300

Optical system (AGC) problem After AGC, correct input is not obtained at CCD.

Insufficient exposure lamp luminosity. Defective engine PWB. Incorrect shading position. Defective CCD PWB.

C4000

Polygon motor synchronization problem The polygon motor does not reach the stable speed within 20 s of the START signal turning on.

Poor contact in the polygon motor connector terminals. Defective polygon motor. Defective engine PWB.

C4010

Polygon motor steady-state problem The polygon motor rotation is not stable for 5 s after the polygon motor rotation has been stabilized.

Poor contact in the polygon motor connector terminals. Defective polygon motor. Defective engine PWB.

C4200

BD steady-state problem The MIC detects a BD error for 600 ms after the polygon motor rotation has been stabilized.

Defective laser diode. Defective polygon motor. Defective main PWB. Defective engine PWB.

C6000

Broken fuser heater wire The temperature does not become 100C/212F even if 30 s pass before secondary stabilization. When there is no 1C/1.8F rise in 5 s before secondary stabilization.

Poor contact in the thermistor connector terminals. Fuser thermistor installed incorrectly. Fuser thermostat triggered. Fuser heater M or S installed incorrectly. Broken fuser heater M or S wire.

C6020

Abnormally high fuser unit thermistor temperature The fuser temperature exceeds 230C/ 446F for 40 ms.

Shorted thermistor. Broken heater control circuit on the power supply PWB.

C6050

Abnormally low fuser unit thermistor temperature The fuser temperature remains below 90C/194F for 1 s.

Poor contact in the thermistor connector terminals. Broken fuser thermistor wire. Fuser thermistor installed incorrectly. Fuser thermostat triggered. Fuser heater M or S installed incorrectly. Broken fuser heater M or S wire.

C6400

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

Poor contact in the connector terminals. Defective power supply PWB. Defective engine PWB.

C7750

Drum type mismatch problem A The drum type does not mach with the software.

Defective software of the engine PWB. Defective engine PWB.

C7760

Drum type mismatch problem B The drum type is undefined.

Defective software of the engine PWB. Defective engine PWB.

C7800

Broken external temperature thermistor The input voltage is 0.5 V or less.

Poor contact in the humidity sensor connector terminals. Defective humidity sensor.

C7810

Short-circuited external temperature thermistor The input voltage is 4.5 V or more.

Poor contact in the humidity sensor connector terminals. Defective humidity sensor.

lỗi C0100 máy photo KM2030

Backup memory read/write problem (main PCB) 
• Read and write data does not match.

Defective backup RAM or main PCB.

lỗi C0110 máy photo KM2030

Backup memory data problem (main PCB) 
• Data in the specified area of the backup memory does not match the specified values.

Problem with the backup memory data. Defective backup RAM.

lỗi C0150 máy photo KM2030

Backup memory read/write problem (engine PCB) 
• Read and write data does not match.

Defective backup RAM or engine PCB.

lỗi C0160 máy photo KM2030

Backup memory data problem (engine PCB) 
• Data in the specified area of the backup memory does not match the specified values.

Problem with the backup memory data. Defective backup RAM.

lỗi C0170 máy photo KM2030 

Accounting count problem 
• When the power is turned on, the total count and the scan count are abnormal both on the main PCB and the engine PCB.

Defective main PCB or engine PCB.

lỗi C0180 máy photo KM2030

Machine number mismatch 
• When the power is turned on, the machine number does not match between the main PCB and the engine PCB.

Correct EEPROM is not installed. Data damage of EEPROM.

lỗi C0210 máy photo KM2030

Communication problem between the main PCB and engine board PCB
• 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.

Poor contact in the connector terminals. Defective main PCB or engine PCB.

lỗi C0410 máy photo KM2030

Optional DP communication problem 
• Communication fails five times successively.

DP installed incorrectly. Defective main PCB or DP driver PCB.

lỗi C0420 máy photo KM2030

Optional first paper feeder communication problem 
• Communication fails five times successively.

Paper feeder installed incorrectly. Defective main PCB or drawer main PCB.

lỗi C0500 máy photo KM2030

Optional second paper feeder communication problem 
• Communication fails five times successively.

Paper feeder installed incorrectly. Defective main PCB or drawer main PCB.

lỗi C0510 máy photo KM2030

Optional third paper feeder communication problem 
• Communication fails five times successively.

Paper feeder installed incorrectly. Defective main PCB or drawer main PCB.

lỗi C0610 máy photo KM2030

Bitmap (DIMM) problem 
• There is a problem with the data or address bus of the bitmap DRAM.

Defective main PCB. DIMM installed incorrectly. Defective DIMM.

lỗi C0620 máy photo KM2030

Memory input interface problem 
• Reading-in of an image does not complete within 10 s of the start of image transmission.

Defective main PCB.

lỗi C0630 máy photo KM2030

DMA problem 
• DMA transmission of compressed, decompressed, rotated, relocated or blanked-out image data does not complete within the specified period of time.

Defective main PCB.

lỗi C0800 máy photo KM2030

Image processing problem 
• JAM05 is detected twice.

Defective engine PCB.

lỗi C2000 máy photo KM2030

Drive motor problem 
• LOCK ALM signal remains high for 1 s, 1 s after the drive motor has turned on.

Poor contact in the main motor connector terminals. Defective drive motor rotation control circuit. Defective drive transmission system.

lỗi C3100 máy photo KM2030

Scanner carriage problem 
• The home position is not correct when the power is turned on or copying the document placed on the contact glass.

Poor contact of the connector terminals. Defective scanner home position switch. Defective engine PCB. Defective scanner motor.

lỗi C3200 máy photo KM2030

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.

Poor contact of the connector terminals. Defective exposure lamp or inverter board. Defective engine PCB. Incorrect shading position.

lỗi C3300 máy photo KM2030

Optical system (AGC) problem
• After AGC, correct input is not obtained at CCD.

Insufficient exposure lamp luminosity. Defective engine PCB. Incorrect shading position.

lỗi C4000 máy photo KM2030

Polygon motor synchronization problem 
• The polygon motor does not reach the stable speed within 15 s of the START signal turning on.

Poor contact in the polygon motor connector terminals. Defective polygon motor. Defective engine PCB.

lỗi C4010 máy photo KM2030

Polygon motor steady-state problem 
• The polygon motor rotation is not stable for 5 s after the polygon motor rotation has been stabilized.

Poor contact in the polygon motor connector terminals. Defective polygon motor. Defective engine PCB.

lỗi C4200 máy photo KM2030

BD steady-state problem
• The MIC detects a BD error for 600ms after the polygon motor rotation has been stabilized.

Defective laser diode. Defective polygon motor. Defective main PCB. Defective engine PCB.

lỗi C6000 máy photo KM2030

Broken fixing heater wire
• In fixing 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.

Poor contact in the thermistor connector terminals. Fixing thermistor installed incorrectly. Fixing thermostat triggered. Fixing heater M or S installed incorrectly. Broken fixing heater M or S wire.

lỗi C6020 máy photo KM2030

Abnormally high fixing unit thermistor temperature 
• The fixing temperature exceeds 230°C/446 °F for 40 ms.

Shorted thermistor. Broken heater control circuit on the power supply PCB.

lỗi C6050 máy photo KM2030

Abnormally low fixing unit thermistor temperature 
• The fixing temperature remains below 90°C/194°F for 1 s.

Poor contact in the thermistor connector terminals. Broken fixing thermistor wire. Fixing thermistor installed incorrectly. Fixing thermostat triggered. Fixing heater M or S installed incorrectly. Broken fixing heater M or S wire.

lỗi C6400 máy photo KM2030

Zero-crossing signal problem 
• The engine PCB does not detect the zero-crossing signal for the time specified below. At power-on: 3 s Others: 5 s

Poor contact in the connector terminals. Defective power supply PCB. Defective engine PCB.

lỗi C7800 máy photo KM2030

Broken external temperature thermistor 
• The input voltage is 0.5 V or less.

Poor contact in the humidity sensor connector terminals. Defective humidity sensor.