Service Call Conditions

Fuser 3times jam error

559

The paper jam counter for the fusing unit reaches 3. The paper jam counter is cleared if the paper is fed correctly.

This SC is activated only when this function is enabled with "Engine Maintenance" (default "OFF").

Defective fusing unit

Defective fusing control

1.Clear this SC to send a command after a jam removal.

2.Turn off this function after a jam removal.

Execute "Fuser SC Reset" to recover the machine after completing the recovery procedure. Otherwise, the machine continues to issue this SC code and cannot be operated.

SC 6xx (Communication and Other Error)

6

669

688

EEPROM communication error

An unexpected value exists in the initialization flag of the EEPROM

EEPROM not connected

Defective EEPROM

1.Installing the EEPROM.

2.Replacing the EEPROM.

CTL_PRREQ_N signal does not come.

The ECB does not receive a memory address command from the controller 20 seconds after paper is in the position for registration.

Defective controller board

Communication error

1.Turn the machine's main power off, and then on.

2.Check if the controller board is firmly connected to the ECB.

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Ricoh 406460 service manual SC 6xx Communication and Other Error