HP LaserJet Pro 400 Service Manual - Page 243

Fax error messages Alert and warning messages appear temporarily and might require you to acknowledge the message by touching the OK button to resume or by touching the Cancel button to cancel the job. With certain warnings, the job might not complete or the print quality might be affected. If the alert or warning message is related to printing and the auto-continue feature is on, the product will attempt to resume printing the job after the warning has appeared for 10 seconds without acknowledgement. Communication error. Description A fax communication error occurred between the product and the sender or receiver. Recommended action Allow the product to retry sending the fax. Unplug the product telephone cord from the wall, plug in a telephone, and try making a call. Connect the product phone cord into a jack for another phone line. Try a different phone cord. Set the Fax Speed option to the Slow (V.29) setting or disable the Fast (V.34) setting. Turn off the Error Correction feature to prevent automatic error correction. NOTE: Turning off the Error Correction feature can reduce image quality. Print the Fax Activity Log report from the control panel to determine if the error occurs with a specific fax number. If the error persists, contact HP. See www.hp.com/go/LJColorMFPM375 or www.hp.com/go/ LJColorMFPM475 or the support flyer that came in the product box. Document feeder door is open. Canceled fax. Description The cover at the top of the document feeder is open, and the product cannot send the fax. Recommended action Close the cover, and send the fax again. Fax is busy. Canceled send. Description The fax line to which you were sending a fax was busy. The product has canceled sending the fax. Recommended action Call the recipient to ensure that the fax machine is on and ready. Check that you are dialing the correct fax number. ENWW Solve fax problems 217