Ricoh MP C2504 - SC600 (Controller)

No. Description Cause Retry
16 - 19 Communication error
(interrupted)
Noise, Incorrect connection 3
21 - 24 Communication timeout Noise, Incorrect connection, Malfunction 3
26 - 29 Device stops (logically) Noise, Incorrect connection, Malfunction 3
31 - 34 Full of buffer (request) Noise, Incorrect connection, Malfunction 3
36 - 39 Verification error Noise, Incorrect connection 2
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC687-00 D PER Not Received Error
Unable to receive the PER command from the controller.
Communication error
Replace the BCU.
SC600 (Controller)
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC632-00 D Counter device error 1
After 3 attempts to send a data frame to the optional counter device via
the serial communication line, no ACK signal was received within 100
ms.
Serial line between the optional counter device, the relay board and
copier control board is disconnected or damaged.
• Turn the main power off/on.
• Check the serial communication line.
Service Call 620-687
877