Oki B4100 User Manual

Page 261

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40055101TH Rev.4

261 /

(6) No heater output

To flowchart (3)

no 5 V output.

Replacement

Replacement

Replacement

1. Check the signal line.

1. PC3 fault
2. R21 or R22 open circuit

1. TRC1 fault

Is 5 V output provided?

Is the ACON signal

set to low?

Is the triac side

of PC3 ON?

Is TRC1 ON?

End

Start

No

No

No

No

Yes

Yes

Yes

Yes

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