Sharp Digital Laser Copier/Printer AR-5127 User Manual
Page 73
AR-5127 TROUBLE CODE LIST 9 - 6
F9
82
Content
Printer PWB communication trouble
(Overrun)
Details
Communication trouble between MCU and
printer PWB (Overrun error)
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
84
Content
Printer PWB communication trouble
(Framing)
Details
Communication trouble between MCU and
printer PWB (Framing error)
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
88
Content
Printer PWB communication trouble
(Timeout)
Details
Communication trouble between MCU and
printer PWB (Timeout error)
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
99
Content
Machine-PCL board language error
Details
The machine language setup does not
coincide with the PCL board language
setup.
Cause
PCL board connection error
SIM setup error
Check
and
remedy
Check the firmware of the PCL board and
the combination of the panel screen data,
and download the correct version, if
necessary.
Check the machine language information.
(Machine language setup: SIM 26-22)
H2
00
Content
Thermistor open detection
Details
Thermistor open detection
Fusing unit not installed
Cause
Thermistor defect
Control PWB failure
Fusing section connector contact failure
Fusing unit not installed
Check
and
remedy
Check the harness and the connector of
the thermistor and the MCU.
Clear the display of self-diagnostics with
SIM 14.
Remarks Thermistor open
Trouble
code
Details of trouble
Main
code
Sub
code
H3
00
Content
Heat roller abnormally high temperature
Details
The fusing temperature is over 220°C.
Cause
Thermistor defect
Control PWB failure
Fusing section connector contact failure
Check
and
remedy
Check the heater lamp blinking with SIM 5-
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
If lamp lights and stays lit:
Check the power PWB and the MCU PWB
lamp control circuit.
Clear the display of self-diagnostics with
SIM 14.
H4
00
Content
Heat roller abnormally low temperature
Details
The setup temperature (about 90°C is not
reached within the specified time (about
35sec) from turning on the power ON SW.
(When the temperature falls below 120°C
in the standby mode.)
Cause
Thermistor defect
Heater lamp failure
Thermostat failure
Control PWB failure
Check
and
remedy
Check the heater lamp blinking with SIM 5-
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
When the lamp does not light:
Check for disconnection of the heater
lamp and thermostat.
Check the interlock switch.
Check the power PWB and the MCU PWB
lamp control circuit.
Clear the display of self-diagnostics with
SIM 14.
H5
01
Content
5 continuous T10D(T20D) not-reaching
JAM
Details
T10D(T20D) not-reaching JAM was
detected 5 continuous times.
Cause
The fusing JAM is not completely
removed. (Jam paper remains.)
T10D or T20D sensor breakdown or
harness connection trouble
Fusing unit installation failure
Check
and
remedy
Check for jam paper in the fusing section.
(paper winding, etc.)
Check fusing unit installation
Clear the trouble with SIM 14.
02
Content
Fusing thermistor abnormality detect
Details
Fusing thermistor temperature transient
abnormality (Paper winding)
Cause
Paper wound around the fusing roller.
Fusing pawl abnormality
Fusing unit installation failure
Check
and
remedy
Check for jam paper in the fusing section.
(paper winding, etc.)
Check installation of the fusing unit. Check
the fusing pawl.
Clear the trouble with SIM 14.
Trouble
code
Details of trouble
Main
code
Sub
code