Rap 08: Self-Diagnosis Failure; Self-Diagnosis - OKIDATA OF1000 Service Manual

RAP 08: Self-Diagnosis Failure

START
Perform the Self Diagnosis Test
Is the quality of the printed output satisfactory?
NO Perform the Printer Unit Print
YES Is the M-ROM Hash Check OK?
NO Replace the EPROM on the MCNT-150 board.
YES Is the M-RAM Check OK?
NO Replace the MCNT-150
YES Is the P-ROM Hash Check OK?
NO Replace the EPROM on the PCNT-150 board.
YES Is the P-RAM Check OK?
(Refer to 4.6 )
Test. (Refer to 4.6
NO Replace the PCNT-150
YES Is the optional RAM card installed?
NO End of procedure.
YES Is the message RAM CARD OK printed?
YES End of procedure.
NO Power OFF the Okifax 1000, then re-seat the
RAM Card. Power ON the Okifax 1000 and run the
YES Is the message RAM CARD OK printed?
YES End of procedure.
NO Replace the RAM Card and test again.
Is the problem resolved?
Service Guide OF1000
Chapter 4 Failure & Repair Analysis
)

Self-Diagnosis.

Page: 139