Oki B 4100 Maintenance Manual page 261
Facsimile transceiver
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Also See for B 4100:
- Guía del usuario (96 pages) ,
- Manual (94 pages) ,
- Guide utilisateur (94 pages)
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(6) No heater output
Is 5 V output provided?
Is the ACON signal
set to low?
Is the triac side
of PC3 ON?
Is TRC1 ON?
40055101TH Rev.4
Start
No
Yes
No
Yes
No
Yes
No
Yes
End
To flowchart (3)
no 5 V output.
1. Check the signal line.
Replacement
1. PC3 fault
Replacement
2. R21 or R22 open circuit
1. TRC1 fault
Replacement
261 /
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Troubleshooting
