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AR-BC320 TROUBLESHOOTING 11 - 4

Main

code

Sub

code

Title

Shading trouble (Black correction)

E7 10 Display Lamp/Message

Phenomenon Detail CCD black reading level

abnormality when the copy

lamp is off.

Section CCD unit

Case 1 Cause Improper installation of the

flat cable to the CCD unit.

Check &

Remedy

Check installation of the

flat cable to the CCD unit.

Case 2 Cause CCD unit abnormality

Check &

Remedy

Check the CCD unit.

Case 3 Cause MFP PWB abnormality

Check &

Remedy

Check the MFP PWB.

Main

code

Sub

code

Title

Shading trouble (White correction)

E7 11 Display Lamp/Message

Phenomenon Detail CCD white reading level

abnormality when the copy

lamp is off.

Section CCD unit

Case 1 Cause Improper installation of the

flat cable to the CCD unit.

Check &

Remedy

Check installation of the

flat cable to the CCD unit.

Case 2 Cause

Dirt on the mirror, the lens,

or the reference white plate.

Check &

Remedy

Clean the mirror, the lens,

or the reference white

plate.

Case 3 Cause CCD unit abnormality

Check &

Remedy

Check the CCD unit.

Case 4 Cause MFP PWB abnormality

Check &

Remedy

Check the MFP PWB.

Main

code

Sub

code

Title

LED controller initial trouble

(Black)

E7 20 Display Lamp/Message

Phenomenon Detail The initial process of the

LED controller cannot be

completed properly.

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 initial trouble

(Cyan)

E7 21 Display Lamp/Message

Phenomenon Detail The initial process of the

LED controller cannot be

completed properly.

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 initial trouble

(Magenta)

E7 22 Display Lamp/Message

Phenomenon Detail The initial process of the

LED controller cannot be

completed properly.

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 initial trouble

(Yellow)

E7 23 Display Lamp/Message

Phenomenon Detail The initial process of the

LED controller cannot be

completed properly.

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.

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[11] TROUBLESHOOTING 1
6. Details 3

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