Ricoh PE-P1 Service Manual page 111

4. Troubleshooting
USB/ Network Device Error
An interface error in the USB connection or NIB connection occurs.
823
• Controller board detective
1. Replace the controller board.
EEPROM Error
An EEPROM check error at power-on occurs.
824
• Controller board detective
4
1. Replace the controller board.
On-Board Memory Check Error
An on-board memory check error at power-on occurs.
827
• Controller board detective
1. Replace the controller board.
ROM Checksum Error
828 A ROM checksum error at power-on occurs.
1. Replace the controller board.
110