HP Designjet T790 HP Designjet T790 and T1300 ePrinter: User's Guide - English - Page 184
Reinsert printheads procedure, Image Quality Maintenance menu procedure, Image Quality Maintenance
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Ink system issues NOTE: If the paper has jammed, it is recommended that you reinsert the printheads and initiate the realignment procedure by pressing , then , then Image Quality Maintenance > Align printheads. CAUTION: Do not use transparent or semi-transparent paper to align the printheads. Reinsert printheads procedure 1. If the realignment process is running and the wrong paper is loaded, press on the front panel. CAUTION: Do not print if the realignment process has been canceled. You can restart the alignment by pressing , then , then Image Quality Maintenance > Align printheads. 2. Load the paper you wish to use, see Paper handling on page 34. You can use a roll that is at least 610 mm (24 in) wide or a cut sheet that is A2 landscape or larger. CAUTION: Do not use transparent or semi-transparent paper to align the printheads. 3. Remove and re-insert all the printheads, see Remove a printhead on page 118 and Insert a printhead on page 121. This starts the printhead alignment procedure. 4. Ensure the window is closed, as a strong light source near the printer during printhead realignment can affect alignment. 5. The process takes about six minutes. Wait until the front-panel display shows the process complete before using the printer. NOTE: The printer prints a calibration image. Do not worry about the image. The front-panel display shows any errors in the process. Image Quality Maintenance menu procedure 1. Load the paper you wish to use, see Paper handling on page 34. You can use a roll or cut sheet, however, it must be A3 landscape or larger (420 by 297 mm). CAUTION: Do not use transparent or semi-transparent paper to align the printheads. 2. From the front panel, press , then , then Image Quality Maintenance > Align printheads. The printer checks to see if it has enough paper to run the realignment. 176 Chapter 17 Troubleshooting ink cartridge and printhead issues ENWW