HP Designjet T790 HP Designjet T790 and T1300 ePrinter: User's Guide - English - Page 183
Align the printheads
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5. Remove any debris blocking the printhead drop detector. 6. With a dry, lint-free cloth, wipe the surface of the drop detector to remove any non-visible debris. Ink system issues 7. Close the window. 8. Plug in and switch on the printer. 9. Power the printer on at the front panel. Align the printheads Precise alignment between printheads is essential for accurate colors, smooth color transitions and sharp edges in graphical elements. Your printer has an automatic printhead alignment process which runs whenever a printhead has been accessed or replaced. In cases where the paper has jammed or you are experiencing problems with color accuracy, see Color management on page 75; you may need to align the printheads. ENWW Align the printheads 175
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