Okidata Microline 520 Service Handbook
Download Service handbook of OKIDATA Microline 520 Printer for Free or View it Online on All-Guides.com.
Brand: OKIDATA
Category: Printer
Type: Service handbook
Model: OKIDATA Microline 520 , OKIDATA Microline 521
Pages: 321
RAP 01 No Power Supplied to Printer
START
The printer does not power On when the AC switch is turned ON.
Check the AC cable.
Is it correctly connected?
Yes Check the fuse on the power supply board and F1 of the main control board.
Are they open?
No Go to A.
Yes Replace the fuse(s) with fuse(s) of the same rating.
Is the problem resolved?
Yes End of procedure.
No Go to A.
B
No Remove the cable from CN3 on the main control board.
Refer to Appendix A of this Service Handbook for voltage check points on CN3 of the
main control board. Check the output voltages of the secondary of the transformer.
Replace the following in the order listed below. Check operation before replacing next
item in list.
1. Operation Panel.
2. Power Transformer.
Has the problem been resolved?
Yes End of procedure.
No Contact Technical Support.
Failure Analysis 4 - 24 Microline 520/521 Service Handbook
P/N 59257803