Oki OKIFAX 5750 Maintenance Manual page 810

3.4.4 Returns from hiper power save mode NG
4: Returns from HPSM NG
Returns from HPSM when
START key is pressed.
Yes
Returns from HPSM when
the telephone is off-hooked.
Yes
Return from HPSM
upon incoming call.
Yes
Pin 16 of IC1 is 0V
when the document is set.
Yes
Replace IC1.
41285901TH Rev.3
No
No
Pin 18 of IC1 is 0V when
the telephone is off-hooked.
Yes
Replace IC1.
No
Pin 14 of IC1 changes to 0V
or 5V upon incoming call.
Yes
Replace IC1.
No
Pin 13 of IC1 is 0V when
Pin 17 of IC1 is 0V when
START key is pressed.
Yes
Replace IC1.
No
Replace R523.
No
Pin 14 of CN1 changes to 0V
or 5V upon incoming call.
Replace R522.
No
the document is set.
Yes
Replace R521.
No
Replace SW28
or R524.
No
Yes
Check CN1.
Check CN1.
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