Ricoh Mo-C1, Service Manual, Page: 597 / 1052

At power on, or when the machine returned from energy save mode, FPGA
(flash program) did not configure correctly within 500 ms, or an FPGA
communication check failed.
• Check all harness connections to the IPU for a loose, broken, defective
connection
• IPU defective
SC161-02 D IPU Error 2: Ri2005 SIB Response Error
At power on, or when the machine returned from energy save mode, an IPU
error occurred because Ri did not respond within 5 ms.
• IPU defective
SC161-03 D IPU Error 3: Ri2005 S-to-M Response Error
At power on, or when the machine returned from energy save mode, the
Ri2005 chip on the IPU did not respond within 5 ms.
• IPU defective
SC161-05 D IPU Error: Ri2005 M-to-P Response Error
At power on, or when the machine returned from energy save mode, the
Ri2005 chip on the IPU did not respond within 5 ms.
• IPU defective
SC165 D Illegal Copy Prevention Function Error
The illegal copy prevention function failed to initialize at power on, or when
the machine returned from the energy save mode, because the ICIB3 board
was not detected or was not installed correctly.
Note: The ICIB3 (option) is the PCB installed on the back of the machine that
controls the function that prohibits illegal copying of currency, bank notes, etc.
• Check installation and connection of the ICIB3 board
• ICIB3 defective
SC100: Scanning
595