Solution 2: lower the fax resolution, Solution 3: check the phone line for noise, Solution 5: increase the fax speed – HP Photosmart Premium Fax C309 User Manual

Solution 2: lower the fax resolution, Solution 3: check the phone line for noise, Solution 5: increase the fax speed | HP Photosmart Premium Fax C309 User Manual | Page 162 / 244