Ricoh A250 Service Manual page 590

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3. TROUBLESHOOTING

3.1 ERROR CODES

The tables on the following pages show the error codes that will be printed on the

Service Monitor Report. See the service manual for the base fax unit for

instructions on how to print this report.

The meaning of the numbers in the Action column is as follows.

1. Check Layer 1 signaling with a protocol analyzer to determine the cause of the

problem. This may require assistance from a G4 specialist.

2. Repeat the communication. If the problem does not repeat itself, the problem

was a temporary one caused by the user connecting the machine to another

interface. However, if the problem remains, there is a network problem.

3. There is a network problem.

4. There is a network problem. Do the following:

• Check the error bit rate of the network. If it is high, contact the network and

ask them to improve the line.

• Check the network speed (is it 56 or 64 kbps), and make sure that the bit

switch setting is correct. You may also use the dedicated transmission

parameters if this problem only occurs when dialing certain numbers.

• Check that the user dialed the correct number.

5. There is a network problem, or a problem in the machine at the other end.

6. There is a problem in the machine at the other end; ask a technician to check it.

7. The machine at the other end is not a Group 4 fax terminal.

8. The machine is not compatible with the machine at the other end. A

compatibility test is needed.

Error codes related to the errors detected by the FCU are listed in the service

manual for the main fax unit.

17 May, 1999

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