Ricoh B051 Service Manual page 181

No.
Definition
570 A Fusing oil end
500 sheets of paper have been output
since oil end was detected.
571 A Fusing oil overflow
• The oil overflow sensor detects oil.
• When the machine covers are
closed, the oil supply unit is not
detected.
• When the machine covers are
closed, the fusing unit is not
detected.
620 D ADF communication error
The ADF has been detected. → A
communication error has occurred.
630 C CSS communication error
The machine tries to communicate
with one of the terminals of a relevant
service center. → An error signal
returns.
632 D MF accounting device error 1
The machine sends a data frame. →
No normal end signal returns. → This
symptom happens three times.
633 D MF accounting device error 2
The machine is communicating with
the accounting device. → The break
signal returns.
634 D MF accounting device error 3
A backup RAM error is reported from
the accounting device.
635 D MF accounting device error 4
A battery voltage error is reported
from the accounting device.
640 C Engine-to-controller communication checksum error
While the BICU and controller are
communicating, a checksum error
has occurred.
641 D Engine-to-controller response error
The controller has sent a frame with
the RAPI protocol, but the engine
does not respond.
SM
CÓPIA NÃO CONTROLADA
Symptom
4-9
CÓPIA NÃO CONTROLADA
Possible Cause
• Insufficient oil (the oil tank in the rear of
the machine)
• Defective oil pipe
• Defective oil pump
• Defective oil end sensor
• Defective oil end sensor
• Defective oil overflow sensor
• Defective sensor cable
• Oil supply unit not installed
• Loose connection
• Defective ADF
• Defective BICU board
• Defective scanner I/O board
• External noise
• Communication error on the public
telephone network (logged only; the
machine can still operate)
• Defective or broken line between
machine and device
• Defective or broken line between
machine and device
• Defective accounting device controller
• Defective battery in the accounting
device
• Defective accounting device controller
• Defective battery in the accounting
device
• Logged only; the machine can still
operate
• Defective controller board
• External noise
SERVICE CALL
B051/B052