Ricoh SP 1200S Service Manual Page 385

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  • TROUBLESHOOTING
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Troubleshooting of Fax Functions
SM 6-83 M085/M086
Trouble –
shooting
6.10.3 FAX CAN NOT BE RECEIVED.
User Check
Verify that the telephone cord is securely connected.
Possible cause and Remedy
1. Receive mode setting
Is the receive mode set to automatic receive mode?
No: Set the receive mode to automatic receive mode.
2. NCU PCB
Is the problem solved after replacing the NCU PCB ASSY?
Yes: Replace the NCU PCB ASSY.
3. Main PCB
Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.
6.10.4 NO RINGING SOUND.
Possible cause and Remedy
1. Ring delay
Ring delay is set to "0".
Yes: Change the ring delay settings to another value.
2. Ring volume
Ring volume is set to "OFF".
Yes: Change the ring volume setting to another value.
3. Connection between main PCB and NCU PCB
Are the main PCB and NCU PCB connected correctly?
No: Reconnect the connector.
4. Speaker
Is the problem solved after replacing the speaker?
Yes: Replace the Speaker.
5. NCU PCB
Is the problem solved after replacing the NCU PCB ASSY?
Yes: Replace the NCU PCB ASSY.
6. Main PCB
Is the problem solved after replacing the main PCB ASSY?
Yes: Replace the main PCB ASSY.
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