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

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