لمینت MKP
1402-06-04
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C011 Backup memory data problem
• Data in the specified area of the backup memory does not match the specified values copyir copyir.comcom Defective main PCB copyir copyir.comcom
C021 Operation unit PCB communication problem (20 cpm copier only)
• There is no reply after 20 retries at communication copyir copyir.comcom Defective main PCB copyir copyir.comcom
C034 Finisher communication problem
• Communication errors from the communication microcomputer on the main PCB: No communication: there is no reply after 3 retries copyir copyir.comcom Abnormal communication: a communication error (parity or checksum error) is detected five times in succession copyir copyir.comcom Poor contact of the connector terminals copyir copyir.comcom Defective copier main PCB copyir copyir.comcom Defective finisher main PCB copyir copyir.comcom
C040 DIMM problem
• Information on DIMM cannot be read out correctly at power-on copyir copyir.comcom Poor contact of the memory board
C041 Bitmap problem
• There is a problem with the data or address bus of the bitmap DRAM copyir copyir.comcom Poor contact of the DIMM copyir copyir.comcom
C043 DMA problem
• DMA transmission of compressed copyir copyir.comcom decompressed copyir copyir.comcom rotated copyir copyir.comcom relocated or blanked-out image data does not complete within the specified period of time copyir copyir.comcom Defective main PCB copyir copyir.comcom
C100 Exposure lamp problem
• Check the CCD input value for the lighting status of the exposure lamp 100 ms after the exposure lamp is lit and the carriage is moved to the shading position copyir copyir.comcom If the exposure lamp does not light copyir copyir.comcom turn off the lamp copyir copyir.comcom After 500 ms copyir copyir.comcom light the lamp again and copyir copyir.comcom a further 500 ms later copyir copyir.comcom check the CCD input copyir copyir.comcom The exposure lamp does not light after 5 retries copyir copyir.comcom Poor contact of the connector terminals copyir copyir.comcom Defective exposure lamp copyir copyir.comcom Defective main PCB copyir copyir.comcom Incorrect shading position copyir copyir.comcom CCD PCB output problem copyir copyir.comcom
C104 Optical system problem
• After AGC copyir copyir.comcom correct input is not obtained at CCD copyir copyir.comcom Poor contact of the connector terminals copyir copyir.comcom CCD PCB output problem copyir copyir.comcom Defective main PCB copyir copyir.comcom
C200 Drive motor problem
• LOCK ALM signal remains high for 1 s copyir copyir.comcom 1 s after the drive motor has turned on copyir copyir.comcom Poor contact of the drive motor connector terminals copyir copyir.comcom Defective drive motor rotation control circuit copyir copyir.comcom Defective drive transmission system copyir copyir.comcom
C310 Scanner carriage problem
• The home position is not correct when the power is turned on or at the start of copying using the contact glass copyir copyir.comcom Poor contact of the connector terminals copyir copyir.comcom Defective scanner home position switch copyir copyir.comcom Defective main PCB copyir copyir.comcom Defective scanner motor copyir copyir.comcom
C400 Polygon motor synchronization problem
• The polygon motor does not reach a stable speed within 19 s of the polygon motor remote signal turning on copyir copyir.comcom Poor contact of the polygon motor connector terminals copyir copyir.comcom
C401 Polygon motor steady-state problem
• The polygon motor rotation is not stable for 400 ms after the polygon motor rotation has been stabilized copyir copyir.comcom Poor contact of the polygon motor connector terminals copyir copyir.comcom Defective power source PCB copyir copyir.comcom
C420 BD steady-state problem
• The VTC detects a BD error for 800 ms after the polygon motor rotation has been stabilizad copyir copyir.comcom Poor contact of the laser scanner unit connector terminals copyir copyir.comcom Defective LSU copyir copyir.comcom Defective main PCB copyir copyir.comcom
C510 Main charger problem
• MC ALM signal is detected continuously for 800 ms when MC REM signal is turned on copyir copyir.comcom Poor contact of the high-voltage transformer PCB connector terminals copyir copyir.comcom Defective high-voltage transformer PCB copyir copyir.comcom Leakage during main charging copyir copyir.comcom Deformed high-voltage transformer PCB terminal spring copyir copyir.comcom
C610 Broken fixing heater wire
• Warm-up does not end within 90 s copyir copyir.comcom
• The secondary stabilization fixing temperature drops to 100°C/212°F or below copyir copyir.comcom
• The fixing temperature remains below 40˚C/104˚F for 7 s or longer after the fixing heaters have been turned on copyir copyir.comcom Fixing heater installed incorrectly copyir copyir.comcom Broken fixing heater wire copyir copyir.comcom Poor contact in the fixing unit thermistor connector terminals copyir copyir.comcom Broken fixing unit thermistor wire copyir copyir.comcom Fixing unit thermistor installed incorrectly copyir copyir.comcom Fixing unit thermostat triggered copyir copyir.comcom
C620 Abnormally low fixing unit thermistor temperature
• The fixing temperature remains below 100˚C/212˚F for 10 s during copying copyir copyir.comcom Fixing heater installed incorrectly copyir copyir.comcom Broken fixing heater wire copyir copyir.comcom Poor contact in the fixing unit thermistor connector terminals copyir copyir.comcom Broken fixing unit thermistor wire copyir copyir.comcom Fixing unit thermistor installed incorrectly copyir copyir.comcom
C630 Abnormally high fixing unit thermistor temperature
• The fixing temperature exceeds 240˚C/464˚F for 10 s copyir copyir.comcom Fixing unit thermostat triggered copyir copyir.comcom Shorted fixing unit thermistor copyir copyir.comcom Broken fixing heater control circuit on the power source PCB copyir copyir.comcom
C710 Toner sensor problem
• The sensor output voltage is outside the range of 0 copyir copyir.comcom5 to 4 copyir copyir.comcom5 V during toner control copyir copyir.comcom
• The toner sensor control voltage cannot be set within the setting range when maintenance item U130 is run copyir copyir.comcom Defective toner sensor copyir copyir.comcom Poor contact of the toner sensor connector terminals copyir copyir.comcom Developer problem copyir copyir.comcom
C730 Broken external temperature thermistor wire
• The input voltage is above 4 copyir copyir.comcom5 V copyir copyir.comcom Poor contact of the humidity sensor PCB connector terminals copyir copyir.comcom Defective external temperature thermistor copyir copyir.comcom
C731 Short-circuited external temperature thermistor • The input voltage is below 0 copyir copyir.comcom5 V copyir copyir.comcom Poor contact of the humidity sensor PCB connector terminals copyir copyir.comcom Defective external temperature thermistor copyir copyir.comcom
C740 Image formation unit connector insertion problem
• Absence of the image formation unit is detected continuously for 1500 ms while there is no error on the copier copyir copyir.comcom Image formation unit connector inserted incorrectly copyir copyir.comcom Defective image formation unit connector copyir copyir.comcom
C817 Finisher front side registration motor problem A problem is detected with the front side registration motor copyir copyir.comcom
C818 Finisher rear side registration motor problem A problem is detected with the rear side registration motor copyir copyir.comcom
C819 Finisher trailing edge registration motor problem A problem is detected with the trailing edge registration motor copyir copyir.comcom
C821 Finisher stapler motor problem A problem is detected with the stapler motor copyir copyir.comcom
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