Sharp MX-2300 G

MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 13
E7-90 Communication trouble between the
controller and the engine
EE-EC Auto developer adjustment trouble
(The sample level for every rotation is
other than 128 ± 10).
EE-EL Auto developer adjustment trouble
(overtoner error)
EE-EU Auto development adjustment trouble
(Under-toner abnormality)
F1-00 Finisher communication trouble
(Machine side detection)
F1-02 Saddle finisher transport motor trou-
ble
F1-03 Finisher paddle motor trouble (MX-
FNX2), finisher swing motor trouble
(MX-FNX1)
F1-08 Finisher stapler shift motor trouble
F1-10 Finisher staple motor abnormality
Trouble content Communication trouble between the MFP and the
PCU (MFP detection)
Communication establishment error/Framing/Parity/
Protocol error
Section MFP
Case 1 Cause PCU PWB connector connection trouble
Check
and
remedy
Check the connector connection between the PCU
PWB and the MFPcnt PWB.
Case 2 Cause Harness trouble between the PCU PWB and the
MFPcnt PWB
Check
and
remedy
Check the harness between the PCU PWB and the
MFPcnt PWB.
Case 3 Cause Broken connector pin of the PCU PWB mother board
Check
and
remedy
Check grounding of the machine.
Trouble content Auto developer adjustment trouble (The sample level
for every rotation is other than 128 ± 10.) <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
Check
and
remedy
Use SIM25-2 to execute the auto development
adjustment.
Trouble content The sample level is 76 or below, or the control voltage
is 208V 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
Check
and
remedy
Use SIM25-2 to execute the auto development
adjustment.
Trouble content The sample level is 178 or above, or the control
voltage is 51V 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
Check
and
remedy
Use SIM25-2 to execute the auto development
adjustment.
Trouble content Communication line test error when turning on the
power or after canceling an exclusion simulation.
Communication error with the finisher
Section PCU
Case 1 Cause Malfunction due to noises
Check
and
remedy
Turn OFF/ON the power to cancel.
Case 2 Cause PCU finisher connector or harness connection error or
disconnection
Check
and
remedy
Check the connector and harness in the
communication line.
Case 3 Cause Finisher control PWB trouble
Check
and
remedy
Replace the finisher control PWB.
Case 4 Cause Control PWB (PCU) trouble
Check
and
remedy
Replace the PCU PWB.
Trouble content Transport drive motor trouble
Section PCU
Case 1 Cause Motor lock, motor RPM abnormality, motor
overvoltage, saddle finisher control PWB trouble
Check
and
remedy
Use SIM3-3 to check the operation of the transport
motor (FFM).
Replace the finisher control PWB.
Trouble content Paddle motor operation trouble (MX-FNX2)
Swing motor operation trouble (MX-FNX1)
Section PCU
Case 1 Cause Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
Check
and
remedy
Use SIM3-3 to check the operation of the motor (FPM/
FSWM).
Replace the finisher control PWB.
Trouble content Stapler shift motor operation trouble
Section PCU
Case 1 Cause Motor lock, motor RPM abnormality, motor
overvoltage, finisher control PWB trouble
Check
and
remedy
Use SIM3-3 to check the operation of the staple motor
(FSM).
Replace the finisher control PWB.
Trouble content Staple operation trouble
Section PCU
Case 1 Cause Motor lock, motor RPM abnormality, motor
overvoltage, saddle finisher control PWB trouble
Check
and
remedy
Use SIM3-3 to check the operation of the staple motor
(FFSM).
Replace the finisher control PWB.