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MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 17
F2-51
CL phase sensor sensing trouble
F2-58
Process humidity sensor trouble
F2-64
Toner supply abnormality (BLACK)
F2-65
Toner supply abnormality (CYAN)
F2-66
Toner supply abnormality (MAGENTA)
F2-67
Toner supply abnormality (YELLOW)
F2-70
Toner cartridge improper cartridge
detection (BLACK)
Trouble content
Detection is made by interruption of light in the sensor
section of the projection rib on the drum drive gear to
control the phases of all the color drums. The
detection signal cannot be acquired and phase control
cannot be made.
Section
PCU
Case 1
Cause
Sensor connector connection trouble
Check
and
remedy
Check the sensor connector connection.
Case 2
Cause
Dirt on the sensor light emitting section, or installation
trouble
Check
and
remedy
Check for dirt on the sensor or check the installation
state.
Case 3
Cause
Drum drive gear upper rib breakage, sensor trouble
Check
and
remedy
If there is no trouble in the rib, replace the sensor.
(Use SIM30-1 "DHPD_CL" to check interruption or
transmission of light.)
Trouble content
Process humidity sensor open
Section
PCU
Case 1
Cause
Process humidity sensor harness connection trouble
Check
and
remedy
Check the harness and connector connection of the
process humidity sensor.
Case 2
Cause
Process humidity sensor trouble
Check
and
remedy
Check the process humidity sensor.
Case 3
Cause
PCU PWB trouble
Check
and
remedy
Check the PCU PWB.
Trouble content
Toner end with the remaining quantity of 50% or more.
The toner supply time exceeds 3 times as much as
the specified time.
Section
PCU
Case 1
Cause
Toner motor section connector harness trouble
Check
and
remedy
Check the connector connection of the toner motor
section.
Check the connector harness (TM) connection to the
main PWB.
Case 2
Cause
Toner motor and toner density sensor trouble
Check
and
remedy
Check the toner density sensor output. (SIM25-1)
Check that the toner transport pipe is not clogged
between the toner cartridge and the developing unit.
Replace the toner cartridge (CRUM) if necessary.
If replacement of the toner cartridge (CRUM) does not
clear the trouble, check the developing unit.
Trouble content
Toner end with the remaining quantity of 50% or more.
The toner supply time exceeds 3 times as much as
the specified time.
Section
PCU
Case 1
Cause
Toner motor section connector harness trouble
Check
and
remedy
Check the connector connection of the toner motor
section.
Check the connector harness (TM) connection to the
main PWB.
Case 2
Cause
Toner motor and toner density sensor trouble
Check
and
remedy
Check the toner density sensor output. (SIM25-1)
Check that the toner transport pipe is not clogged
between the toner cartridge and the developing unit.
Replace the toner cartridge (CRUM) if necessary.
If replacement of the toner cartridge (CRUM) does not
clear the trouble, check the developing unit.
Trouble content
Toner end with the remaining quantity of 50% or more.
The toner supply time exceeds 3 times as much as
the specified time.
Section
PCU
Case 1
Cause
Toner motor section connector harness trouble
Check
and
remedy
Check the connector connection of the toner motor
section.
Check the connector harness (TM) connection to the
main PWB.
Case 2
Cause
Toner motor and toner density sensor trouble
Check
and
remedy
Check the toner density sensor output. (SIM25-1)
Check that the toner transport pipe is not clogged
between the toner cartridge and the developing unit.
Replace the toner cartridge (CRUM) if necessary.
If replacement of the toner cartridge (CRUM) does not
clear the trouble, check the developing unit.
Trouble content
Toner end with the remaining quantity of 50% or more.
The toner supply time exceeds 3 times as much as
the specified time.
Section
PCU
Case 1
Cause
Toner motor section connector harness trouble
Check
and
remedy
Check the connector connection of the toner motor
section.
Check the connector harness (TM) connection to the
main PWB.
Case 2
Cause
Toner motor and toner density sensor trouble
Check
and
remedy
Check the toner density sensor output. (SIM25-1)
Check that the toner transport pipe is not clogged
between the toner cartridge and the developing unit.
Replace the toner cartridge (CRUM) if necessary.
If replacement of the toner cartridge (CRUM) does not
clear the trouble, check the developing unit.
Trouble content
Improper data are detected in the CRUM contents
when the normal CRUM of the cartridge is detected.
Section
PCU
Case 1
Cause
An improper cartridge is inserted. Toner cartridge
trouble
Check
and
remedy
Replace the toner cartridge.