Sharp AR-C260 Instrukcja Użytkownika Pobierz pdf (Strona 5)

AR-BC320 TROUBLESHOOTING 11 - 5

Main

code

Sub

code

Title

LED controller output trouble

(Black)

E7 24 Display Lamp/Message

Phenomenon Detail When printing, the print

end signal for each page is

not properly provided.

Section LED/ICU PWB

Case 1 Cause Disconnection of the LED

head connector.

Check &

Remedy

Check connection of the

LED head connector.

Case 2 Cause Disconnection of the

harness inside the LED

head.

Check &

Remedy

Replace the LED head

unit.

Case 3 Cause ICU PWB abnormality

Check &

Remedy

Replace the ICU PWB.

Main

code

Sub

code

Title

LED controller output trouble

(Cyan)

E7 25 Display Lamp/Message

Phenomenon Detail When printing, the print

end signal for each page is

not properly provided.

Section LED/ICU PWB

Case 1 Cause Disconnection of the LED

head connector.

Check &

Remedy

Check connection of the

LED head connector.

Case 2 Cause Disconnection of the

harness inside the LED

head.

Check &

Remedy

Replace the LED head

unit.

Case 3 Cause ICU PWB abnormality

Check &

Remedy

Replace the ICU PWB.

Main

code

Sub

code

Title

LED controller output trouble

(Magenta)

E7 26 Display Lamp/Message

Phenomenon Detail When printing, the print

end signal for each page is

not properly provided.

Section LED/ICU PWB

Case 1 Cause Disconnection of the LED

head connector.

Check &

Remedy

Check connection of the

LED head connector.

Case 2 Cause Disconnection of the

harness inside the LED

head.

Check &

Remedy

Replace the LED head

unit.

Case 3 Cause ICU PWB abnormality

Check &

Remedy

Replace the ICU PWB.

Main

code

Sub

code

Title

LED controller output trouble

(Yellow)

E7 27 Display Lamp/Message

Phenomenon Detail When printing, the print

end signal for each page is

not properly provided.

Section LED/ICU PWB

Case 1 Cause Disconnection of the LED

head connector

Check &

Remedy

Check connection of the

LED head connector.

Case 2 Cause Disconnection of the

harness inside the LED

head.

Check &

Remedy

Replace the LED head unit

Case 3 Cause ICU PWB abnormality

Check &

Remedy

Replace the ICU PWB.

Main

code

Sub

code

Title

LED control ASIC connection

abnormality

E7 28 Display Lamp/Message

Phenomenon Detail Access error between the

PCU PWB CPU and the

LED control ASIC

Section ICU/PCU PWB

Case 1 Cause Disconnection of the ICU/

PCU PWB communication

connector

Check &

Remedy

Check connection of the

ICU/PCU PWB

communication connector

Case 2 Cause ICU/PCU PWB

communication harness

trouble.

Check &

Remedy

Check the ICU/PCU PWB

communication harness.

Case 3 Cause ICU PWB/PCU PWB

trouble

Check &

Remedy

Check grounding of the

machine. Replace the ICU

PWB or the PCU PWB.

Main

code

Sub

code

Title

ICU PWB matching error

E7 30 Display Lamp/Message

Phenomenon Detail Check matching between

the machine and the ICU

PWB (by the identification

port) when the power is

turned on. If matching is

improper, it is judged as a

trouble.

Section ICU PWB

Case 1 Cause An ICU PWB for the AR-

C260/C260M is installed to

the AR-BC320.

Check &

Remedy

Replace the ICU PWB.

Case 2 Cause ICU PWB abnormality

(When the identification

port is abnormal)

Check &

Remedy

Replace the ICU PWB.

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[11] TROUBLESHOOTING 1
6. Details 3

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