Ricoh Kr-P2, Field Service Manual

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Code No. Symptom Possible Cause
669 B
EEPROM error
• EEPROM not installed or incorrectly
installed
• EEPROM defective
The EEPROM error is detected at reading
the prefix of the EEPROM address after
power-on or recovery from the energy
saver mode.
687 B
PER-command error
• Controller board defective
The machine does not receive PAPI-PER
command for s10 seconds after PAPI-PES
has been issued.
688 B
Ready notification error of image data
transmission
• Controller board defective
• Communication error
The controller does not send a ready
notification of image data transmission after
a sheet of paper has stopped at the
registration roller.
Controller SC
The following table describes the controller error codes. These codes are displayed at power-on, or after
the power-on self test, if an error occurs.
Code Description Required Action
641
Engine to controller communication
error (no answer).
• Examine the connection between the controller
and the engine board.
• Replace the engine board if the error is frequent.
670 Engine response error
• Engine board installed incorrectly
• Engine board defective
• Controller board defective
819 Kernal end error
• HDD error
• Software application error
• RAM shortage
820 Controller CPU error • Replace the controller if the error is frequent.
Service Call Conditions
15
2