Sharp AR-C260 Manuale Utente Scaricare il pdf (Pagina 3)

AR-BC320 TROUBLESHOOTING 11 - 3

6. Details

U2 00 EEPROM read/write error (ICU detection)

11 EEPROM check sum error (ICU detection)

30 Production No. data discrepancy (ICU

⇔

ICU)

80 EEPROM read/write error (SCN detection)

81 EEPROM check sum error (SCN detection)

90 EEPROM read/write error (PCU detection)

91 EEPROM check sum error (PCU detection)

U4 02 ADU alignment plate operation abnormality

U5 00 ADF communication trouble

01 ADF resist sensor defect

02 ADF repulsion sensor defect

03 ADF timing sensor defect

11 Paper feed motor operation abnormality

U6 00 Desk communication trouble

01 Desk tray 1 lift motor trouble

02 Desk tray 2 lift motor trouble

03 Desk tray 3 lift motor trouble

10 Desk transport motor trouble

U7 00 RIC communication trouble

UC 02 CPT-ASIC trouble (MFP PWB trouble)

Main

code

Sub

code

Title

PCU PWB error

A0 00 Display Lamp/Message

Phenomenon Detail When the power is turned

on, conformity of the PCU

PWB and the PCU ROM is

checked to be found that

there is no conformity.

Section PCU PWB

Case 1 Cause PCU PWB trouble

Check &

Remedy

Replace the PCU PWB.

Case 2 Cause PCU PWB mistaken

Check &

Remedy

Replace the PCU PWB.

Main

code

Sub

code

Title

Image density sensor error/

Transfer charger error (Black)

C2 10 Display Lamp/Message

Phenomenon Detail Black image density

sensor trouble /Transfer

trouble (Black) /The

deference between the

transfer belt surface

detection level and the

black toner patch density

detection level is normal.

(Judged in black image

density sensor calibration)

Section Transfer

Case 1 Cause Black image density

sensor trouble

Check &

Remedy

Black density image sensor

cleaning, replacement

Case 2 Cause Transfer voltage trouble

Check &

Remedy

Check and adjust the

transfer voltage.

Case 3 Cause High voltage PWB trouble

Check &

Remedy

Replace the high voltage

PWB.

Main

code

Sub

code

Content

C2 10 Case 4 Cause Transfer unit trouble

Check &

Remedy

Check the transfer belt

surface for dirt and

scratches.

Replace the transfer belt,

replace the cleaning blade,

replace the transfer unit.

Case 5 Cause PCU PWB trouble

Check &

Remedy

PCU PWB replacement

Case 6 Cause Photoconductor unit

trouble

Check &

Remedy

Replace the

photoconductor unit.

Case 7 Cause Developing unit trouble

Check &

Remedy

Replace the developing

unit

Case 8 Cause

Connector, harness trouble

(PCU PWB, high voltage

PWB, image density

sensor, photoconductor

unit, transfer unit,

developing unit)

Check &

Remedy

Check contact. Replace

the harness. Replace the

PWB.

Main

code

Sub

code

Title

Image data memory trouble

E7 01 Display Lamp/Message

Phenomenon Detail The ICU image data

memory (SDRAM) cannot

be detected as 256MB or

more. The required

SDRAM capacity for the

model is not provided.

Section ICU PWB

Case 1 Cause The SDRAM of ICU PWB

is not installed. The

SDRAM of ICU PWB is

improperly installed.

Check &

Remedy

Check installation of the

SDRAM of ICU ASIC PWB.

Case 2 Cause The SDRAM of ICU PWB

does not operate properly.

Check &

Remedy

Use SIM 60-01 to check

the capacity of the

SDRAM. Replace the

SDRAM of ICU PWB.

Case 3 Cause ICU PWB abnormality

Check &

Remedy

Replace the ICU PWB.

Main

code

Sub

code

Title

ICU gate array trouble

E7 07 Display Lamp/Message

Phenomenon Detail An abnormality occurs in

the ICU gate array.

Section ICU PWB

Case 1 Cause ICU PWB abnormality

Check &

Remedy

Replace the ICU PWB.

Case 2 Cause Gate array (ASIC, FPGA)

abnormality on the ICU

PWB

Check &

Remedy

Replace the gate array on

the ICU PWB.

Main

code

Sub

code

Title

Image density sensor error/

Transfer charger error (Black)

1 2 3 4 5 6 7 8 ... 25 26

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