Oki Microline 520 Service Handbook page 35

4. According to Appendix A of the Service Handbook, one function of the main control
board is to regulate the AC voltages from the power supply (transformer).
A. True
B. False
Correct Answer: A
Page A-4, Service Handbook, Rev 01 and 02
Page A-4, Service Handbook, Rev 03
5. You are using RAP 11 to troubleshoot a printer. The unit cannot receive serial
communication from the host. You have verified that the cable has the proper
configuration of pins. No ALARM LEDs are blinking. Your next step should be to
A. replace the transformer.
B. replace the RS 232-C serial board.
C. check your serial interface parameters.
D. replace the main control board (FJIM).
Correct Answer: C
Page 4-26, Service Handbook, Rev 01 and 02
Page 4-40, Service Handbook, Rev 03
Microline 520/521 Service Handbook
P/N 59257803
i - 17 Course Administration