HP LaserJet 3052 Service Manual - Page 281

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. 2. Use the < or > button to select Fax setup, and then press . 3. Use the < or > button to select All faxes, and then press . 4. Use the < or > button to select V.34, and then press . 5. Use the < or > button to select On or Off, and then press to save the selection. Fax receive and fax send codes The following tables list the fax receive and fax send codes that appear in the fax call report. Table 6-6 Fax receive codes Code 200 221 222 223 (ECM error) Description Recommended action The fax session has been completed without None required. errors. The user has pressed Cancel, which caused Allow the product to receive the fax. the fax session to be prematurely halted. The product has answered a call but has been 1. unable to detect the presence of a fax machine. Typically, this is caused by the product answering a voice call. 2. -Or- The remote user canceled the fax transmission by pressing Cancel immediately before, or just as, the product answered the call. 3. -Or- The remote machine automatically ended the call immediately before, or just as, the product 4. answered the call. -Or- Confirm that the remote caller is a fax machine and not a voice call. (Typically the remote user must inform the caller that the fax session failed.) If the remote machine ends the call just as the product starts receiving, reduce the ring count after which the product answers. Or, suggest that the remote user manually dial to the product and then manually start the fax session by pressing Start after fax tones have been heard from the product. Confirm that the remote user is not inadvertently attempting a poll transmission from the product instead of transmitting to the product. Reconfigure the local fax machine to use different configuration settings, change ECM to the opposite of the current setting, and/or select a slower reception speed. The remote (calling) fax machine identified a feature incompatibility between the two machines and disconnected immediately before transmitting any additional fax tones or T.30 frames. (This is a very rare and nonstandard behavior.) The product has been unable to receive an entire page even after multiple attempts to receive the parts of the page that contain Attempt to receive the fax again after telephone-line conditions have improved. -Or- ENWW Troubleshooting tools 261