Ricoh M118, Service Manual

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Service Call Conditions
SM 6-7 M118/M119
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
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)
669
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.
688
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.