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[8] TROUBLE CODE LIST
Main
code
Sub
code
Detail of trouble
F9 00 Content F9-∗∗∗ Communication trouble
between MCU and PRT.
Detail Communication setup error, framing,
parity, protocol error
Cause Printer PWB connector disconnection
Printer unit PWB MCU PWB harness
failure
Printer PWB mother board connector
pin breakage.
Printer PWB ROM defect, data failure
Check and
remedy
Check the connectors and harness of
the printer PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the printer PWB.
10 Content Printer PWB trouble
Detail Communication trouble between MCU
and PRT
Cause Printer PWB connector disconnection
Printer unit PWB MCU PWB harness
failure
Printer PWB mother board connector
pin breakage.
Printer PWB ROM defect, data failure
Check and
remedy
Check the connectors and harness of
the printer PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the printer PWB.
80 Content Printer PWB communication trouble
(protocol)
Detail Communication trouble between MCU
and printer PWB (Protocol error)
Cause Printer PWB connector disconnection
Printer PWB MCU PWB harness failure
Printer PWB mother board connector
pin breakage.
Printer PWB ROM defect, data failure
Check and
remedy
Check the connectors and harness of
the printer PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the printer PWB.
81 Content Printer PWB communication trouble
(Parity)
Detail Communication trouble between MCU
and printer PWB (Parity error)
Cause Printer PWB connector disconnection
Printer PWB MCU PWB harness failure
Printer PWB mother board connector
pin breakage.
Printer PWB ROM defect, data failure
Check and
remedy
Check the connectors and harness of
the printer PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the printer PWB.
Main
code
Sub
code
Detail of trouble
F9 82 Content Printer PWB communication trouble
(Overrun)
Detail Communication trouble between MCU
and printer PWB (Overrun error)
Cause Printer PWB connector disconnection
Printer PWB MCU PWB harness failure
Printer PWB mother board connector
pin breakage.
Printer PWB ROM defect, data failure
Check and
remedy
Check the connectors and harness of
the Printer PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the Printer PWB.
84 Content Printer PWB communication trouble
(Framing)
Detail Communication trouble between MCU
and printer PWB (Framing error)
Cause Printer PWB connector disconnection
Printer PWB MCU PWB harness failure
Printer PWB mother board connector
pin breakage.
Printer PWB ROM defect, data failure
Check and
remedy
Check the connectors and harness of
the Printer PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the Printer PWB.
88 Content Printer PWB communication trouble
(Time-out)
Detail Communication trouble between MCU
and printer PWB (Time-out error)
Cause Printer PWB connector disconnection
Printer PWB MCU PWB harness failure
Printer PWB mother board connector
pin breakage.
Printer PWB ROM defect, data failure
Check and
remedy
Check the connectors and harness of
the Printer PWB and the MCU PWB.
Check grounding of the machine.
Check the ROM of the Printer PWB.
AR-PB8
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