HP 3015 Service Manual - Page 260
To print a T.30 protocol trace report, V.34 fax standard, Print T.30 trace - laserjet error codes
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To print a T.30 protocol trace report 1. Press MENU/ENTER. 2. Use the < or > button to select Service and then press MENU/ENTER. 3. Use the < or > button to select Print T.30 trace and then press MENU/ENTER. 4. Use the < or > button to select NOW, and then press MENU/ENTER. The product exits the Menu settings and prints the reports. Send a fax from the product or receive a fax to the product from another fax machine. Print a T.30 trace report after the fax prints. Explanations of some of the report column heading follow: ● Date and Time identify when the fax begins. Match this information with the fax log of errors. ● Type is the type of fax activity: send or receive. ● Identification is the phone number to which a fax is sent. ● Result explains the status of the fax: ● "OK" means that the fax was successful. ● "Pending" faxes are in memory or are printing. ● For error codes and their meanings, see Table 6-4. Fax receive codes and Table 6-5. Fax send codes. Fax error-correction mode (ECM) (HP LaserJet 3015 and 3030 only) Normally, the product monitors the signals on the telephone line while it is sending or receiving a fax. If the product detects an error during the transmission and the error-correction mode is On, the product can request that the portion of the fax be resent. The factory-set default for errorcorrection mode is On. To change the error-correction setting 1. Press MENU/ENTER. 2. Use the < or > button to select Fax setup, and then press MENU/ENTER. 3. Use the < or > button to select All faxes, and then press MENU/ENTER. 4. Use the < or > button to select Error correction, and then press MENU/ENTER. 5. Use the < or > button to select On or Off, and then press MENU/ENTER to save the selection. V.34 fax standard V.34 is the industry-wide fax standard for full-duplex modems that transmit at speeds up to 28,000 bps. When V.34 is turned on, the product automatically adjusts the transmission speed based on the clarity of the image. Turning V.34 off can resolve some fax transmission issues. To change the V.34 setting 1. Press MENU/ENTER. 2. Use the < or > button to select Fax setup, and then press MENU/ENTER. 3. Use the < or > button to select All faxes, and then press MENU/ENTER. 4. Use the < or > button to select V.34, and then press MENU/ENTER. 242 Chapter 6 Troubleshooting ENWW