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AR-BC320 TROUBLESHOOTING 11 - 17
F2
90
Case 2
Cause
When SIM 44-2 gain
adjustment is completed:
Insufficient cleaning of the
transfer belt, calibration
plate solenoid operation
trouble
Check &
Remedy
Check the drum surface
and the belt surface.
Main
code
Sub
code
Title
Cassette 1 lift-up trouble
F3
12
Display
Lamp/Message
Phenomenon Detail
LUD1 does not turn on
within the specified time.
Section
—
Case 1
Cause
LUD1 sensor trouble,
disconnection of harness
among the PCU PWB, the
lift-up unit, and the paper
feed unit.
Check &
Remedy
Check LUD1, its harness,
and the connector.
Case 2
Cause
Cassette 1 lift-up motor
trouble
Check &
Remedy
Check the lift-up unit.
Main
code
Sub
code
Title
ICU-FAX communication trouble
(ICU detection)
F6
00
Display
Lamp/Message
Phenomenon Detail
Communication
establishment error,
framing, parity, protocol
error
Section
FAX
Case 1
Cause
Slave unit PWB connector
connection trouble. Slave
unit PWB-ICU PWB
harness trouble
Check &
Remedy
Check connection between
the slave unit PWB and the
ICU PWB, and check the
harness.
Case 2
Cause
Broken pin of the mother
board connector of the
slave unit PWB
Check &
Remedy
Check the connector of the
slave unit PWB.
Case 3
Cause
Slave unit ROM trouble/
No ROM/ Improper
insertion of ROM/ ROM pin
breakage
Check &
Remedy
Check grounding of the
main unit. Check the ROM
of the slave unit PWB.
Main
code
Sub
code
Title
Half-tone process limit error
Main
code
Sub
code
Title
FAX expansion flash memory
abnormality (ICU detection)
F6
01
Display
Lamp/Message
Phenomenon Detail
An expansion flash
memory with SRAM
backup data in it is
installed.
Section
FAX
Case 1
Cause
SRAM backup data are
detected in the expansion
flash memory. The
simulation function (SIM
66-19) is provided to save
SRAM backup data into an
expansion flash memory.
This trouble occurs when
an expansion flash
memory to which SRAM
backup data are saved
with the above function is
installed.
Check &
Remedy
Use SIM 66-20 to restore
the backup data to the
SRAM, and use SIM 66-10
to clear the expansion
flash memory. If the data
are unnecessary, simply
clear the expansion
memory with SIM 66-10.
Main
code
Sub
code
Title
FAX MODEM operation
abnormality
F6
04
Display
Lamp/Message
Phenomenon Detail
FAX PWB MODEM chip
operation trouble
Section
FAX
Case 1
Cause
Normal operation is made
with the FAX PWB SW101
on the BOOT side. FAX
PWB MODEM chip
operation trouble
Check &
Remedy
Set the FAX PWB SW101
to the other side than the
BOOT side, and supply
power again. Replace the
FAX PWB.
Main
code
Sub
code
Title
FAX write protect release
F6
20
Display
Lamp/Message
Phenomenon Detail
The write protect JP of the
ICU PWB is released.
Section
FAX
Case 1
Cause
The FAX write protect pin
is set to Write Enable.
Check &
Remedy
Check the write protect pin
of the ICU PWB.
Case 2
Cause
ICU PWB trouble
Check &
Remedy
Replace the ICU PWB.
Case 3
Cause
FAX PWB trouble
Check &
Remedy
Replace the FAX PWB.
Summary of Contents for AR-BC320
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