Okidata Microline 520 Service Handbook
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Brand: OKIDATA
Category: Printer
Type: Service handbook
Model: OKIDATA Microline 520 , OKIDATA Microline 521
Pages: 321
RAP 10 Parallel Interface Problem
START
No parallel port communication.
Is the SEL LED blinking?
Yes The printer is in the Print Suppress mode.
Disable the menu item Print Suppress if the function is not required.
End of procedure.
No Does the SEL LED light ?
Yes Go to A
No Press SEL key.
Has the problem been resolved?
No Disconnect the cable.
Does the SEL LED light ?
Yes Change the menu item I-prime to invalid.
No Go to A
Yes Is data being received properly?
Yes End of procedure.
No Check that the cable is properly connected to the Host PC and the correct
LPT port is selected.
Does the SEL LED light?
No Go to A
Yes Change the menu item I-prime to invalid.
End of procedure.
Failure Analysis 4 - 38 Microline 520/521 Service Handbook
P/N 59257803