Sharp AR-C260 Manuale Utente Scaricare il pdf (Pagina 6)

AR-BC320 TROUBLESHOOTING 11 - 6

Main

code

Sub

code

Title

Color correction data write error

E7 40 Display Lamp/Message

Phenomenon Detail Data write error to the

Nand-Flash for holding

color correction data

Section MFP PWB

Case 1 Cause Color correction data

rewrite error

Check &

Remedy

Perform rewriting of color

correction data again.

Case 2 Cause MFP PWB trouble

Check &

Remedy

Replace the MFP PWB.

Main

code

Sub

code

Title

Color correction data transfer

abnormality

E7 41 Display Lamp/Message

Phenomenon Detail Data transfer error from

the Nand-Flash for holding

color correction data to the

FC-RAM for holding color

correction image process

Section MFP PWB

Case 1 Cause MFP PWB trouble

Check &

Remedy

Replace the MFP PWB.

Main

code

Sub

code

Title

ICU-SCN communication trouble

(ICU detection)

E7 80 Display Lamp/Message

Phenomenon Detail Communication

establishment error,

framing, parity, protocol

error

Section ICU/MFP PWB

Case 1 Cause Disconnection of the ICU/

MFP PWB scanner

communication connector.

Defective harness of the

ICU PWB and the MFP

PWB.

Check &

Remedy

Check connection of the

ICU PWB and the MFP

PWB. Check the harness.

Case 2 Cause ICU/MFP PWB trouble

Check &

Remedy

Check grounding of the

machine. Replace the ICU

PWB or the MFP PWB.

Main

code

Sub

code

Title

ICU-PCU communication trouble

(ICU detection)

E7 90 Display Lamp/Message

Phenomenon Detail Communication

establishment error,

framing, parity, protocol

error

Section ICU/PCU PWB

Case 1 Cause Disconnection of the ICU/

PCU PWB scanner

communication connector.

Defective harness of the

ICU PWB and the PCU

PWB.

Check &

Remedy

Check connection of the

ICU PWB and the PCU

PWB. Check the harness.

Case 2 Cause ICU/PCU PWB trouble

Check &

Remedy

Check grounding of the

machine. Replace the ICU

PWB or the PCU PWB.

Main

code

Sub

code

Title

Finisher communication trouble

(Machine detection)

F1 00 Display Lamp/Message

Phenomenon Detail Communication line test

error when turning on the

power or after canceling

the exclusive simulation.

Communication error with

the finisher.

Section PCU PWB and finisher

Case 1 Cause Disconnection of the PCU-

finisher connector,

defective contact or

disconnection of the

harness.

Check &

Remedy

Check the connector and

the harness of the

communication line.

Case 2 Cause Finisher control PWB

trouble

Check &

Remedy

Replace the finisher

control PWB.

Case 3 Cause

Control PWB (PCU) trouble

Check &

Remedy

Replace the PCU PWB.

Case 4 Cause Malfunctions by noises

Check &

Remedy

—

Common Cancel

method

Can be canceled by

turning OFF/ON the power.

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[11] TROUBLESHOOTING 1
6. Details 3

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