Ricoh D129 Service Manual page 505

Service Call Conditions
Exhaust fan motor error
The IOB does not receive the lock signal for 10 seconds after turning on the
exhaust fan motor.
531 D

Defective exhaust fan motor or connector disconnection.

Defective IOB

Disconnected harness
Cooling fan motor error
The machine does not detect the fan motor lock signal for 10 seconds after
turning on the cooling fan motor.
532 D

Defective cooling fan motor or connector disconnection.

Disconnected harness

Defective IOB
Paper exit cooling fan motor error
The machine does not detect the fan motor lock signal for 10 seconds after
turning on the paper exit cooling fan motor.
533 D

Defective paper exit cooling fan motor or connector disconnection.

Defective IOB

Disconnected harness
Fusing motor error
The IOB does not receive the lock signal for 2 seconds after turning on the
fusing motor.
540 D

Motor overload

Defective fusing motor or connector disconnection.

Defective IOB

Disconnected harness
D129/D130 6-16 SM