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MX-7000N SELF DIAG AND TROUBLE CODE 8 – 14
EE-EL
Auto developer adjustment trouble
(Overtoner abnormality)
(Overtoner abnormality)
EE-EU
Auto developer adjustment trouble
(Under-toner abnormality)
(Under-toner abnormality)
F1-00
Finisher communication trouble
(Machine side detection)
(Machine side detection)
F1-03
Finisher oscillation motor trouble
F1-08
Finisher stapler shift motor trouble
F1-10
Finisher staple motor abnormality
F1-15
Finisher tray lift motor abnormality
F1-19
Finisher pre-alignment motor
abnormality
abnormality
F1-20
Finisher after-alignment motor
abnormality
abnormality
F1-21
Finisher interface fan motor
abnormality
abnormality
Trouble content
The sample level is 76 or below, or the control
voltage is 208 or above.
<Detection only with SIM25-2, no trouble memory,
only display>
voltage is 208 or above.
<Detection only with SIM25-2, no trouble memory,
only display>
Section
PCU
Case 1
Cause
Toner density sensor trouble, charging voltage/
developing voltage trouble, toner density trouble,
developing unit trouble, PCU PWB trouble
developing voltage trouble, toner density trouble,
developing unit trouble, PCU PWB trouble
Check and
remedy
remedy
Use SIM25-2 to execute the auto developer
adjustment.
adjustment.
Trouble content
The sample level is 178 or above, or the control
voltage is 51 or below.
<Detection only with SIM25-2, no trouble memory,
only display>
voltage is 51 or below.
<Detection only with SIM25-2, no trouble memory,
only display>
Section
PCU
Case 1
Cause
Toner density sensor trouble, charging voltage/
developing voltage trouble, toner density trouble,
developing unit trouble, PCU PWB trouble
developing voltage trouble, toner density trouble,
developing unit trouble, PCU PWB trouble
Check and
remedy
remedy
Use SIM25-2 to execute the auto developer
adjustment.
adjustment.
Trouble content
Communication line test error when turning on the
power or after canceling an exclusion simulation.
Communication error with the finisher
power or after canceling an exclusion simulation.
Communication error with the finisher
Section
PCU
Case 1
Cause
Malfunction due to electrical noises
Check and
remedy
remedy
Turn OFF/ON the power to cancel.
Case 2
Cause
PCU finisher connector or harness connection
error or disconnection
error or disconnection
Check and
remedy
remedy
Check the connector and harness in the
communication line.
communication line.
Case 3
Cause
Finisher control PWB trouble
Check and
remedy
remedy
Replace the finisher control PWB.
Case 4
Cause
Control (PCU) PWB trouble
Check and
remedy
remedy
Replace the PCU PWB.
Trouble content
Oscillation motor operation abnormality
Section
PCU
Case 1
Cause
Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
overvoltage, finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the operation of the motor
(FSWM).
Replace the finisher control PWB.
(FSWM).
Replace the finisher control PWB.
Trouble content
Stapler shift motor operation abnormality
Section
PCU
Case 1
Cause
Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
overvoltage, finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the operation of the staple
motor (FSM).
Replace the finisher control PWB.
motor (FSM).
Replace the finisher control PWB.
Trouble content
Staple operation trouble
Section
PCU
Case 1
Cause
Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
overvoltage, finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the operation of the staple
motor (FFSM).
Replace the finisher control PWB.
motor (FFSM).
Replace the finisher control PWB.
Trouble content
Lift motor trouble
Section
PCU
Case 1
Cause
Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
overvoltage, finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the operation of the tray lift
motor (FTLM).
Replace the finisher control PWB.
motor (FTLM).
Replace the finisher control PWB.
Case 2
Cause
Interlock switch (black bar-shape switch under the
upper tray) operation
upper tray) operation
Check and
remedy
remedy
Check that there is nothing on the interlock switch.
If there is, remove it.
If there is, remove it.
Trouble content
Pre-alignment motor trouble
Section
PCU
Case 1
Cause
Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
overvoltage, finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the operation of the pre-
alignment motor (FFJM).
Replace the finisher control PWB.
alignment motor (FFJM).
Replace the finisher control PWB.
Trouble content
After-alignment motor trouble
Section
PCU
Case 1
Cause
Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
overvoltage, finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the operation of the after-
alignment motor (FRJM).
Replace the finisher control PWB.
alignment motor (FRJM).
Replace the finisher control PWB.
Trouble content
Interface transport fan motor trouble
Section
PCU
Case 1
Cause
Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
overvoltage, finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the operation of the fan motor
(FJFM).
Replace the finisher control PWB.
(FJFM).
Replace the finisher control PWB.
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