Oki OKIFAX 5750 Maintenance Manual page 797

3.1.13.1 Toner lock out detect NG
41285901TH Rev.3
13: Toner lock out
cannot detect
Use the Jig magnet A
for IC501-IC504.
Pin 3 and 5 of
No
CN7 are 0V when
Pin 1 of CN7 is 0V.
Yes
Use the Jig magnet B
for IC501-IC504.
Pin 4 and 6 of
No
CN7 are 0V when
Pin 1 of CN7 is 0V.
Yes
Replace CPU.
Check DLK
connection cable.
Check DLK
connection cable.
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