Service manual

SC197: Extended IPU connection abnormal (A189 machine only)

Type: 4

- Description -

The SCU detects when the extended IPU is not connected.

- Detection Timing -

When the power switch is turned on

- Possible Causes -

• Extended IPU

• SCU (System Control Unit)

SP-Log: 7-402-1

SC301: Charge current leak

Type: 2

- Description -

The main control board notifies the SCU that the charge current from

the high-voltage power pack does not reach the target due to such

causes as a leak or power pack failure.

- Detection Timing -

When the charge current is applied

- Possible Causes -

• High voltage power supply

• Leak locations

SP-Log: 7-402-3

SC320: Polygon motor abnormal

Type: 2

- Description -

The main control board notifies the SCU when the polygon motor

driver does not reach a defined number of rotations within a

predetermined period of time.

- Detection Timing -

When starting the preparation for writing

- Possible Causes -

• Polygon motor

SP-Log: 7-402-3

SERVICE CALL CONDITIONS

A166/A187/A189 6-6 SM

CÓPIA NÃO CONTROLADA