Oki LP-1040 Maintenance Manual page 158

(9) HDD/ARC/SO-DIMM Problem Analysis
Upgrade to the latest firmware version
↓ No
Disconnect and reconnect all connectors to the HDD
↓ No
Disconnect and reconnect all connectors to the ARC board
↓ No
Remove and re-insert the SO-DIMM
↓ No
Replace the HDD
↓ No
HDD is not broken, so put it back as it was
↓ No
Replace the ARC board
(10) Determining SATA Cables Condition
Upgrade to the latest firmware version
↓ No
Disconnect and reconnect all connectors to the HDD and the ARC board
↓ No
Replace the SATA Cables
↓ No
Replace the HDD
↓ No
HDD is not broken, so put it back as it was
↓ No
Replace the ARC board
(11) Cleaning CBL-PNL contact
Upgrade to the latest firmware version
↓ No
Clean the contacts between the ARC board and CBL-PNL
↓ No
Clean the contacts between the operation panel and CBL-PNL
↓ No
Replace the operation panel
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