کیو سرا میتا km6230
C001 Memory PCB communication problem • Problems with data from memory PCB copyir.com Defective memory PCB copyir.com
C010 RAM/ROM problem • Read and write data does not match copyir.com Defective main PCB copyir.com
C011 Backup memory data problem • Data in the specified area of the backup memory does not match the specified values copyir.com Problem with the backup memory data copyir.com Defective backup RAM copyir.com
C021 Operation unit PCB communication problem • There is no reply after 20 retries at communication copyir.com Poor contact in the connector terminals copyir.com Defective main PCB or operation unit PCB copyir.com
C024 Printer board communication problem • There is no reply after 20 retries at communication copyir.com Poor contact in the connector terminals copyir.com Defective main PCB or printer board copyir.com
C026 Memory PCB communication problem • There is no reply after five retries at transmitting copyir.com • There is no reply after five retries at receiving copyir.com Poor contact in the connector terminals copyir.com Defective main PCB or memory PCB copyir.com
C032 Side deck communication problem • An error code from the side deck is detected eight times in succession copyir.com No communication: there is no reply after 3 retries copyir.com Abnormal communication: a communication error (parity or checksum error) is detected five times in succession copyir.com Poor contact in the connector terminals copyir.com Defective engine PCB copyir.com Defective main PCB copyir.com Defective side deck main PCB copyir.com
C034 Finisher communication problem • Communication errors from the communication microcomputer on the main PCB: No communication: there is no reply after 3 retries copyir.com Abnormal communication: a communication error (parity or checksum error) is detected five times in succession copyir.com Poor contact in the connector terminals copyir.com Defective engine PCB copyir.com Defective main PCB copyir.com Defective finisher main PCB copyir.com
C035 Mailbox communication Problem Communication errors from the communication microcomputer on the main PCB: No communication: there is no reply after 3 retries copyir.com Abnormal communication: a communication error (parity or checksum error) is detected five times in succession copyir.com Poor contact in the connector terminals copyir.com Defective engine PCB copyir.com Defective main PCB copyir.com Defective mailbox main PCB copyir.com
C037 Communication microcomputer problem • A problem is detected with the communication microcomputer on the main PCB copyir.com Defective main PCB copyir.com
C038 Hard disk problem The hard disk cannot be accessed copyir.com Poor contact in the connector terminals copyir.comDefective hard disk copyir.com Defective main PCB copyir.com
C039 DIMM problem The DIMM on the memory PCB does not operate correctly copyir.com DIMM installed incorrectly copyir.com Defective DIMM copyir.com
C104 Optical system problem • After AGC, correct input is not obtained at CCD copyir.com Insufficient exposure lamp luminosity copyir.com Defective main PCB copyir.com Incorrect shading position copyir.com CCD PCB output problem copyir.com
C200 Image forming motor problem • LOCK ALM signal remains high for 1 s, 1 s after the drive motor has turned on copyir.com Poor contact in the image forming motor connector terminals copyir.com Defective image forming motor rotation control circuit copyir.com Defective drive transmission system copyir.com
C210 Drive motor problem • LOCK ALM signal remains high for 1 s, 1 s after the drive motor has turned on copyir.com Poor contact in the drive motor connector terminals copyir.com Defective drive motor rotation control circuit copyir.com
C220 Paper feed motor problem • LOCK ALM signal remains high for 1 s, 1 s after the paper feed motor has turned on copyir.com Poor contact in the paper feed motor connector terminals copyir.com Defective paper feed motor rotation control circuit copyir.com
C230 Large paper deck right lift motor problem When the large paper deck of the copier is closed, large paper deck level switch 1 does not turn on within 30 s of the large paper deck right lift motor turning on copyir.com During copying, large paper deck level switch 1 does not turn on within 200 ms of the large paper deck right lift motor turning on copyir.com Defective drive transmission system copyir.com Broken gear or coupling of the large paper deck right lift motor copyir.com Defective large paper deck right lift motor copyir.com Poor contact in the large paper deck right lift motor connector terminals copyir.com Defective large paper deck level switch 1 copyir.com
C231 Large paper deck left lift motor problem When the large paper deck of the copier is closed, large paper deck level switch 2 does not turn on within 30 s of the large paper deck left lift motor turning on copyir.com During copying, large paper deck level switch 2 does not turn on within 200 ms of the large paper deck left lift motor turning on copyir.com Poor contact in the large paper deck level switch 1 connector terminals copyir.com Broken gear or coupling of the large paper deck left lift motor copyir.com Defective large paper deck left lift motor copyir.com Poor contact in the large paper deck left lift motor connector terminals copyir.com Defective large paper deck level switch 2 copyir.com Poor contact in the large paper deck level switch 2 connector terminals copyir.com
C242 Upper lift motor problem • When the upper cassette is inserted, the upper lift limit switch does not turn on within 4 copyir.com5 s of the upper lift motor turning on copyir.com • During copying, the upper lift limit switch does not turn on within 200 ms of the upper lift motor turning on copyir.com Broken gears or couplings of the upper lift motor copyir.com Defective upper lift motor copyir.com Poor contact in the upper lift motor connector terminals copyir.com Defective upper lift limit switch copyir.com Poor contact in the upper lift limit switch connector terminals copyir.com
C243 Lower lift motor problem • When the lower cassette is inserted, the lower lift limit switch does not turn on within 4 copyir.com5 s of the lower lift motor turning on copyir.com • During copying, the lower lift limit switch does not turn on within 200 ms of the lower lift motor turning on copyir.com Broken gears or couplings of the lower lift motor copyir.com Defective lower lift motor copyir.com Poor contact in the lower lift motor connector terminals copyir.com Defective lower lift limit switch copyir.com Poor contact in the lower lift limit switch connector terminals copyir.com
C310 Scanner carriage problem • The home position is not correct when the power is turned on or at the start of copying using the bypass table copyir.com Poor contact in the connector terminals copyir.com Defective scanner home position switch copyir.com Defective main PCB or scanner motor PCB copyir.com Defective scanner motor copyir.com
C400 Polygon motor synchronization problem • The polygon motor does not reach the stable speed within 15 s of the polygon motor remote signal turning on copyir.com Poor contact in the polygon motor connector terminals copyir.com Defective polygon motor copyir.com Defective power source PCB copyir.com Defective engine PCB copyir.com
C401 Polygon motor steady-state problem • The polygon motor rotation is not stable for 600 ms after the polygon motor rotation has been stabilized copyir.com Poor contact in the polygon motor connector terminals copyir.com Defective polygon motor copyir.com Defective power source PCB copyir.com Defective engine PCB copyir.com
C420 BD steady-state problem • The VTC detects a BD error for 600 ms after the polygon motor rotation has been stabilized copyir.com Defective laser diode copyir.com Defective polygon motor copyir.com Defective main PCB copyir.com
C510 Main charger problem • MC ALM signal is detected continuously for 400 ms when MC REM signal is turned on copyir.com Defective high-voltage transformer PCB copyir.com Leakage during main charging copyir.com
C511 Transfer charger belt high-voltage problem • TB ALM signal is detected continuously for 400 ms when TB REM signal is turned on copyir.com Defective transfer charger belt bias PCB copyir.com Leakage during transfer charger belt copyir.com
C550 Drum surface potential sensor problem 1 The sensor output is 0 copyir.com5 V or less when MC REM signal is turned on copyir.com Poor contact in the drum surface potential sensor connector theminals copyir.com Defective drum surface potential sensor copyir.com Defective engine PCB copyir.com Defective power source PCB copyir.com
C551 Drum surface potential sensor problem 2 The sensor output is 4 copyir.com5 V or more when the MC REM signal is turned on copyir.com Defective drum surface potential sensor copyir.com
C560 Potential problem 1 Maximizing the grid output cannot set the potential copyir.com Deteriorated main charger copyir.com Grid or main charger shield is dirty copyir.com Defective high voltage transformer PCB copyir.com Defective engine PCB copyir.com
C561 Potential problem 2 Minimizing the grid output cannot set the potential copyir.com Defective high voltage transformer PCB copyir.com
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C610 Broken fixing heater wire • The fixing temperature does not increase for 40 s after the fixing heaters have been turned on for warming up copyir.com • The fixing temperature remains below 50C/122F for 10 s continuously after the fixing heaters have been turned on during stabilization copyir.com Poor contact in the fixing unit thermistor connector terminals copyir.com Fixing unit thermistor installed incorrectly copyir.com Fixing unit thermostat triggered copyir.com Fixing unit heater M or S installed incorrectly copyir.com Broken fixing unit heater M or S wire copyir.com
C620 Abnormally low fixing unit thermistor temperature • The fixing temperature remains below 120C/248F for 10 s copyir.com Poor contact in the fixing unit thermistor connector terminals copyir.com Broken fixing unit thermistor wire copyir.com Fixing unit thermistor installed incorrectly copyir.com Fixing unit thermostat triggered copyir.com Fixing unit heater M or S installed incorrectly copyir.com Broken fixing unit heater M or S wire copyir.com
C630 Abnormally high fixing unit thermistor temperature • The fixing temperature exceeds 230C/446F for 10 s copyir.com • The fixing unit high temperature detection circuit on the engine PCB detects an abnormally high temperature copyir.com Shorted fixing unit thermistor copyir.com Broken fixing unit heater control circuit on the power source PCB copyir.com
C640 Zero-crossing signal problem • The main PCB does not detect the zero-crossing signal (Z CROSS SIG) for the time specified below copyir.com At power-on: 3 s Others: 5 s Poor contact in the connector terminals copyir.com Defective power source PCB copyir.com Defective main PCB copyir.com
C650 Broken fixing unit thermistor wire The fixing temperature remains at 0C/ 32F for 30 s continuously when the fixing heater is on copyir.com Poor contact in the fixing unit thermistor connector terminals copyir.com Broken fixing unit thermistor wire copyir.com
C710 Toner sensor problem • The sensor output voltage is outside the range of 0 copyir.com5 to 4 copyir.com5 V during copying or in maintenance item U130 copyir.com • The toner sensor control voltage cannot be set within the range in maintenance item U130 copyir.com Defective toner sensor copyir.com Poor contact in the toner sensor connector terminals copyir.com Developer problem copyir.com
C720 Broken drum thermistor wire The drum thermistor input voltage is 4 copyir.com5 V or more when the front cover is closed copyir.com Broken druterminals copyir.comm thermistor wire copyir.com Poor contact in the drum thermistor connector
C721 Shorted drum thermistor The drum thermistor input voltage is 1 copyir.com2 V or less when the front cover is closed copyir.com Broken drum thermistor wire copyir.com Defective main PCB copyir.com
C722 Broken drum heater wire The drum temperature does not change within 5 minutes of the drum heater turning on copyir.com Broken drum heater wire copyir.com Poor contact in the drum heater connector terminals copyir.com Defective power source PCB copyir.com
C730 Broken external temperature thermistor wire • The input voltage is above 4 copyir.com5 V copyir.com Poor contact in the humidity sensor PCB connector terminals copyir.com Defective external temperature thermistor copyir.com
C731 Short-circuited external temperature thermistor • The input voltage is below 0 copyir.com5 V copyir.com Poor contact in the humidity sensor PCB connector terminals copyir.com Defective external temperature thermistor copyir.com
C750 Toner hopper problem Toner level is not detected when toner empty is detected copyir.com Defective toner level sensor copyir.com Poor contact in the toner level sensor connector terminals copyir.com
C801 Finisher paper conveying motor problem • The paper conveying motor lockup signal is detected for 0 copyir.com5 s or longer copyir.com The paper conveying motor connector makes poor contact copyir.com The paper conveying motor malfunctions copyir.com Defective finisher main PCB copyir.com
C803 Finisher paper conveying belt problem • An on-to-off or off-to-on state change of the paper conveying belt home position sensor is not detected within 2 s of the paper conveying belt clutch turning on copyir.com The paper conveying belt is out of phase copyir.com The paper conveying belt clutch malfunctions copyir.com The paper conveying belt home position sensor malfunctions copyir.com The paper conveying belt home position sensor connector makes poor contact copyir.com The internal tray is incorrectly inserted copyir.com
C814 Finisher tray elevation motor problem • The sort tray is not detected in the home position within 30 s of the start of the tray elevation motor rotation copyir.com The tray elevation motor connector makes poor contact copyir.com The tray elevation motor malfunctions copyir.com Defective finisher main PCB copyir.com
C841 Booklet stitcher punch unit backup RAM data problem An error is detected in the punch unit backup RAM data copyir.com
C842 Booklet stitcher positioning plate motor problem A problem is detected with the saddle positioning plate motor copyir.com
C843 Booklet stitcher folding motor problem A problem is detected with the saddle folding motor copyir.com
C844 Booklet stitcher guide motor problem A problem is detected with the saddle guide motor copyir.com
C845 Booklet stitcher jog motor problem A problem is detected with the saddle jog motor copyir.com
C846 Booklet stitcher rear staple motor problem A problem is detected with the saddle rear staple motor copyir.com
C847 Booklet stitcher front staple motor problem A problem is detected with the saddle front staple motor copyir.com
C848 Booklet stitcher thrust motor problem A problem is detected with the saddle thrust motor copyir.com
C849 Booklet stitcher communication error A communication error is detected in the saddle copyir.com
C850 Mailbox drive motor problem • While the mailbox drive motor is driving, synchronization signals do not synchronize continually for 464 ms (motor lockup) copyir.com Defective mailbox drive motor or mailbox main PCB copyir.com