HP Color LaserJet Enterprise CM4540 HP Color LaserJet Enterprise CM4540 MFP - - Page 281
Service settings, Settings in the Troubleshooting menu, Settings in the Resets menu
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Service settings These items in the control-panel menus can help with troubleshooting if the corrective action taken under the Error Codes section is unsuccessful. They are intended to be used when an HP service representative is assisting you. Settings in the Troubleshooting menu Open the Administration menu, and then select the Troubleshooting menu. Troubleshooting menu settings T.30 Trace: The T.30 trace is a printed report which produces a record of all the communications between the sending and receiving fax machines for the last Fax transmission or reception. The report has many technical details which are usually beyond the scope of most users. However the report contains detailed error codes and other information that might be useful in troubleshooting a particular problem related to sending or receiving a FAX. The report contents might be requested by an HP service representative when trying to determine the cause of a problem and will help to determine the appropriate action. Transmit Signal LossTransmit Signal Loss: This selection compensates for phone line signal loss. It is not recommended to modify this setting unless requested to do so by an HP service representative as it might render the fax inoperable. V34: This setting has two values (Normal and Off) that control the modem's baud rate. The Normal setting allows the modem to select (negotiate with the other modem) any of the supported baud rates up to 33,600 bps. The Off setting sets the baud rate to 14,400 bps. This setting remains set, until changed. Speaker Mode: This service setting has two modes, Normal and Diagnostic. In Normal mode, the modem speaker is turned on during dialing through the initial connection and then shuts off. For Diagnostic mode, the speaker is turned on and remains on for all fax communications until the setting is returned to Normal. Settings in the Resets menu Open the Administration menu, and then select the Resets menu. Resets menu settings Restore Factory Telecom Settings or Restore Default Telecom Settings: This selection resets several menu changes back to their default settings. This includes the maximum baud rate, ring-burst off time, V.34, speaker mode, and transmit signal loss. ENWW Solve fax problems 261