Service manual

SC171: VPU abnormal 2

Type: 3

- Description -

The scanner IPU board notifies the SCU when feedback data for the

white level is not in the proper range at power-on.

- Detection Timing -

When the power switch is turned on

- Possible Causes -

• Scanner IPU board

SP-Log: 7-402-1

SC172: VPU abnormal 3

Type: 3

- Description -

The scanner IPU board notifies the SCU when the white shading data

is not in the proper range after the white level has been adjusted

(SP4-435).

- Detection Timing -

When the above SP mode is performed

- Possible Causes -

• Scanner IPU board

SP-Log: 7-402-1

SC191: Bar code scanning error

Type: 2

- Description -

The bar code on the scanner guide plate is scanned by the CCD and

stored in the SCSI buffer memory. The scanner IPU board reads the

data and performs a pattern analysis on the data. If the scanner IPU

board determines that the image pattern is not an appropriate bar code

pattern, it notifies the SCU of a bar code scanning error.

- Detection Timing -

When the power switch is turned on

- Possible Causes -

• Non-standard bar code label

SP-Log: 7-402-1

SERVICE CALL CONDITIONS

A166/A187/A189 6-4 SM

CÓPIA NÃO CONTROLADA