Trouble code
Description
Main
code
Sub
code
F2
32
Content Process control trouble (Drum marking
scanning trouble)
Detail
Usually the sensor gain is adjusted so
that the output is a certain value, by
reading the drum base surface with the
drum marking sensor before starting
process control.
However, a certain output is not
obtained by adjusting the sensor gain.
Cause
Drum marking sensor defective
Improper connection of harness between
PCU PWB and drum marking sensor
Drum marking sensor contaminated
OPC drum cleaning improper
Charging voltage improper
Check
and
remedy
Check process control output with
SIM44-02. (Do not adjust.)
If the result is far different from the
specified value, it suggests the sensor is
defective. Check the sensor and harness.
If the deviation is relatively small, check
the sensor and drum surface for
contamination.
37
Content Drum marking sensor gain adjustment
error
Detail
When the drum marking area surface is
scanned with the drum marking sensor
before starting process control and the
sensor gain is adjusted until a constant
output is provided, the output is not
constant though the sensor gain is
changed.
Cause
Drum marking sensor trouble
Improper connection between PCU PWB
and drum marking sensor
Drum marking sensor is dirty
OPC drum cleaning trouble
Check
and
remedy
Perform the gain adjustment of process
control sensor with SIM 44-2.
If ERROR is displayed, it may be a
breakdown. Check the sensor and the
harness.
When the adjustment is completed,
check the drum surface conditions.
39
Content Process thermistor breakdown
Detail
The process thermistor is open.
Cause
Process thermistor abnormality
Improper connection of the process
thermistor bar
PCU PWB abnormality
Check
and
remedy
Check connection of the process
thermistor harness and connector.
Check the PCU PWB.
F3
12
Content Copier top stage CS lift up trouble
Detail
UPED does not turn on within the
specified time.
ULUD does not turn on within the
specified time.
Cause
UPED or ULUD defective
Upper cassette lift-up motor defective
Improper connection of harness between
PCU PWB, lift-up unit, and paper feed
unit.
Check
and
remedy
Check UPED, ULUD and their harness
and connector.
Check lift-up unit.
Trouble code
Description
Main
code
Sub
code
F3
22
Content Copier bottom stage CS lift up trouble
Detail
LPED does not turn on within the
specified time.
LLUD does not turn on within the
specified time.
Cause
LPED or LLUD defective
Lower cassette lift-up motor defective
Improper connection of harness between
PCU PWB, lift-up unit, and paper feed
unit.
Check
and
remedy
Check LPED, LLUD, their harnesses and
connectors.
Check lift-up unit.
F9
00
Content Printer communication trouble (ICU
detection)
Detail
Communication setup error,
framing/parity/protocol error
Cause
Slave unit PWB connector improper
connection
Slave unit PWB – ICU PWB harness
trouble
Connector pin breakage of the motor
PWB of the slave unit PWB
Slave unit ROM trouble. no ROM, ROM
reverse insertion, ROM pin breakage
Check
and
remedy
Connect the connector of the slave unit
PWB and the ICU PWB.
Check the connection and the harness.
Check the grounding of the copier.
Check the ROM of the slave unit PWB.
01
Content PRT DRAM trouble
Detail
Option printer PWB DRAM trouble
(Check when turning on the power.)
Cause
DRAM module is broken and access
cannot be made.
DRAM module improper installation
Check
and
remedy
Check with SIM 67-1.
02
Content PRT Centro port check error
Detail
Centro port trouble in option printer board
Cause
Centro port trouble
Printer PWB trouble
Check
and
remedy
Replace Printer PWB
03
Content Network card trouble.
Detail
Network card self test trouble.
Cause
Network card defecft.
Printer PWB defect.
Network card connector connection
defect.
Check
and
remedy
Check the Network card connector.
Replace the printer PWB.
Replace the Network card.
04
Content Printer program error.
Detail
Program data trouble in the option
printer board.
Cause
Flash memory data is destroied.
Check
and
remedy
Replace or rewrite the Flash memory.
Replace the printer PWB.
9 – 5
7/13/2000
Summary of Contents for AR-250
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