Ricoh D158 Service Manual page 292

Service Call Conditions
No.
Definition
⇒
SC670
-00
D158/D159/D160/D161/D170
Symptom
D
Engine start up error
Case 1
/ENGRDY signal was not asserted when the machine was
turned on or returned from energy saver mode.
/IPURDY signal was not asserted when the machine was
turned on or returned from energy saver mode.
EC response was not received within specified time from
power on.
PC response was not received within specified time from
power on.
SC response was not received within specified time from
power on.
Writing to Rapi driver failed (the other party not found
through PCI).
Case 2
Unexpected down status was detected after /ENGRDY
assertion.
Case 1
Engine board does not start up.
Case 2
Engine board reset unexpectedly.
Check the connection between the engine board and the
controller board.
If it is always reproduced, replace the engine board. If the
problem persists, consider replacing the controller board or
other boards between them.
If reproducibility is low, multiple causes are to be considered,
such as software, engine board, controller board, and PSU.
5-28
Rev. 11/07/2013
Possible Cause
SM