■Speed dialing and
Step | Possible cause | Check | Result | Remedy |
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| Speed dialing | Can a fax transmission |
| Replace the main PCB |
1 | keys or one- | be made using the | Yes | ASSY. |
touch dialing | numeric keys? |
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| keys |
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| Dialing mode | Does a dialing signal |
| Check the dialing mode |
| Setting | (PB or DP) come out |
| setting at customer's |
2 |
| normally in each mode? | Yes | again. |
| (Use telephone line | Check the telephone line | ||
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| emulator.) |
| cord between machine and |
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| socket. |
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| Connection | Are the main PCB and |
| Reconnect the connector |
3 | between main | NCU PCB connected | No | properly. |
PCB and NCU | properly? |
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| PCB |
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| Harness | Is the harness |
| Replace the harness with a |
4 | between main | damaged? | Yes | normal one. |
PCB and NCU |
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| PCB |
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| Connection | Are the main PCB and |
| Reconnect the connector |
5 | between main | control panel PCB | No | properly. |
PCB and control | connected properly? |
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| panel PCB |
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| Harness | Is the harness |
| Replace the harness with a |
6 | between main | damaged? | Yes | normal one. |
PCB and control |
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| panel PCB |
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| Contact of rubber | Is the problem solved |
| Replace the rubber Key. |
7 | key | after replacing the | Yes |
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| rubber key? |
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| NCU PCB | Is the problem solved |
| Replace the NCU PCB |
8 |
| after replacing the NCU | Yes | ASSY. |
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| PCB ASSY? |
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| Control panel | Is the problem solved |
| Replace the control panel |
9 | PCB | after replacing the | Yes | PCB. |
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| control panel PCB? |
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■FAX can't be received.
<User Check>
- Verify that the telephone cord is securely inserted into the right socket.
Step | Possible cause | Check | Result | Remedy |
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| Receive mode | Is the receive mode set |
| Set the receive mode to |
1 | setting | to automatic receive | No | automatic receive mode. |
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| mode? |
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| NCU PCB | Is the problem solved |
| Replace the NCU PCB |
2 |
| after replacing the NCU | Yes | ASSY. |
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| PCB ASSY? |
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| Main PCB | Is the problem solved |
| Replace the main PCB |
3 |
| after replacing the main | Yes | ASSY. |
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| PCB ASSY? |
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Confidential |