Service settings
These selections 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.
The menu locations of these selections vary by MFP. For the HP LaserJet 4345mfp and the HP Color LaserJet 4730mfp, 9040/9050mfp, and 9500mfp, these selections are located under the Fax Service menu. For the HP LaserJet M3035 MFP, M3027 MFP, M4345 MFP, M5025 MFP, M5035 MFP, M9040 MFP, M9050 MFP and Color LaserJet CM4730 MFP and CM6040 MFP Series, these selections are located in one of three places: under Administration > Initial Setup > Fax Setup > Fax Receive Settings; under Administration > Troubleshooting; or under Administration > Resets. Print a menu map from the MFP Administration > Information menu to help locate the desired item.
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. (For error code information, see Error codes on page 105.)
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,
Transmit 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.
V.34: 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.
Maximum baud rate: This setting is similar to V.34 but provides a list of baud rates to select for operation. If the fax is having communication errors, use this setting to select slower baud rates to determine if the communication error is caused by the phone line. Once this setting is set, it 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.
Ring interval or
Ring Frequency: This setting has a range between 1 to 200 Hz. It should be left at its default value of 68 Hz. Use this setting when directed by an HP technical support agent as adjustment procedures associated with it is beyond the scope of this guide.
The menu locations of these selections vary by MFP. For the HP LaserJet 4345mfp and the HP Color LaserJet 4730mfp, 9040/9050mfp, and 9500mfp, these selections are located under the Menu > FAX
>FAX SETUP OPTIONAL > Ring Frequency. For the HP LaserJet M3035 MFP, M3027 MFP, M4345 MFP, M5025 MFP, M5035 MFP, M9040 MFP, M9050 MFP and Color LaserJet CM4730 MFP and CM6040 MFP Series, these selections are located in Administration > Initial Setup > Fax Setup > Fax Send Settings > Ring Frequency. Select Custom to activate the menu selection for a specific value.
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