Trouble code
Description
Main
code
Sub
code
F9
10
Content PRT SCSI LSI abnormality
Detail
An error occurred in SCSI
communication with the option printer
board.
Cause
SCSI LSI abnormality
ISU PWB abnormality
SCSI connector improper connection
Check
and
remedy
Replace the printer PWB.
Check the SCSI connector.
Replace the ISU PWB.
90
Content Printer communication trouble (PRT
detection)
Detail
Communication setup
error/framing/parity/protocol error
Cause
Slave unit PWB connector improper
connection
Slave unit PWB – ICU PWB harness
trouble
Slave unit PWB mother board connector
pin breakage
Check
and
remedy
Check the slave unit PWB and the ICU
PWB connector connection.
Check the copier earth.
H2
00
¼
HL1
01
¼
HL2
Content Thermister open
Fusing unit not installed
Detail
Thermister is open (more than 4.6-V
input voltage is detected).
Fusing unit not installed
Cause
Thermister defective
Control PWB defective
Improper connection of fusing connector
AC power supply defective
Fusing unit not installed
Check
and
remedy
Check harness and connector between
thermister and control PWB.
Clear the display of self-diagnostics with
SIM14.
H3
00
¼
HL1
01
¼
HL2
Content Heat roller high temperature detection
Detail
The fusing temperature is over 241.5°C
(less than 1.3-V input voltage is
detected.)
Cause
Thermister defective
Control PWB defective
Improper connection of fusing unit
connector
AC power supply defective
Check
and
remedy
Check heater lamp operation with
SIM5-2.
If lamp blinks properly:
Check thermister and its harness.
Check thermister input circuit of
control PWB.
If lamp lights and stays lit:
Check lamp control circuits of AC
PWB and control PWB.
Clear the trouble with SIM14.
Trouble code
Description
Main
code
Sub
code
H4
00
¼
HL1
01
¼
HL2
Content Heat roller low temperature detection
Detail
The temperature does not reach the
preset value within the specified time (3
min. in usual modes; 5 min. in curl
correction mode.) after the power relay is
turned on.
Cause
Thermister defective
Heater lamp defective
Control PWB defective
Thermostat defective
AC power supply defective
Interlock switch defective
Check
and
remedy
Check heater lamp for blinking with
SIM5-2.
If lamp blinks properly:
Check thermister and its harness.
Check thermister input circuit of
control PWB.
If lamp does not light:
Check heater lamp for broken wire
and thermostat for operation.
Check interlock switch.
Check lamp control circuit of AC PWB
and control PWB.
Clear the trouble with SIM14.
H5
01
Content 3 continuous POD1 not-reaching JAM
detection
Detail
3 continuous POD1 not-reaching JAM
detection
Cause
Check that the fusing JAM is completely
cancelled. (Jam paper may be
remained.)
POD1 sensor trouble or improper
harness connection
Improper installation of the fusing
harness.
Check
and
remedy
Check JAM paper in the fusing section.
(Winding, etc.)
Check POD1 sensor harness. Check the
fusing unit installation.
Cancel the trouble with SIM 14.
02
Content Fusing thermistor abnormality
Detail
Fusing thermistor temperature transient
abnormality (Paper winding)
Cause
Paper winding to fusing roller
Fusing pawl abnormality
Fusing unit installation abnormality
Check
and
remedy
Check for jam (winding) paper in the
fusing section.
Check for installation of the fusing unit.
Check the fusing pawl.
Cancel the trouble with SIM 14.
L1
00
Content Scanner feed trouble
Detail
Scanner feed is not finished within the
specified time. (timer is change by
magnification)
Cause
Mirror unit defective
Scanner wire disconnected
Check
and
remedy
Check scanning operation with SIM1-1.
7/13/2000
9 – 6
Содержание AR-250
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