HP DesignJet T930 User guide - Page 159
Lines are discontinuous, Lines are blurred
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1. Reseat the printhead by removing and then reinserting it. See Remove the printhead on page 120 and Insert the printhead on page 122. 2. Align the printhead. See Align the printhead on page 164. Lines are discontinuous If your lines are broken in the following way: 1. Check that you are using appropriate print-quality settings. See Printing on page 60. 2. Reseat the printhead by removing and then reinserting it. See Remove the printhead on page 120 and Insert the printhead on page 122. 3. Align the printhead. See Align the printhead on page 164. Lines are blurred Humidity can cause ink to soak into the paper, making the lines blurred and fuzzy. Try the following: 1. Check that your environmental conditions (temperature, humidity) are suitable for high-quality printing. See Environmental specifications on page 183. 2. Check that the paper type selected in the front panel is the same as the paper type you are using. See View information about the paper on page 54. 3. Try changing to a heavier paper type, such as HP Heavyweight Coated Paper or HP Super Heavyweight Plus Matte Paper. 4. Select a paper type that is slightly thinner than the paper you have loaded; this will persuade the printer to use less ink. Here are some example paper types in ascending order of thickness: Plain Paper, Coated Paper, Heavyweight Coated Paper, Super Heavyweight Plus Matte Paper. 5. If you are using photo paper, try changing to a different type of photo paper. 6. Align the printhead. See Align the printhead on page 164. ENWW Lines are discontinuous 151