Adjusting the PrintheadAdjusting the PrintheadAdjusting the Printhead ...................................................................................................................................................... 804Automatic Adjustment to Straighten Lines and Colors .................................................................................. 804Manual Adjustment to Straighten Lines and Colors ........................................................................................ 806Adjustment When Installing the Printhead ........................................................................................................... 808Troubleshooting Paper Abrasion and Blurry Images ............................................................................................. 809Adjusting the PrintheadAdjusting the PrintheadIf printed documents are affected by the following problems, try adjusting the printhead.• Printing is faint or affected by banding in different colorsExecute Nozzle Check in the Control Panel menu to check for printhead nozzle clogging.For instructions, see "Checking for Nozzle Clogging." →P.920• Printed vertical lines are warped or colors are out of alignmentExecute Head Posi. Adj. in the Control Panel menu to adjust the printhead position.• Normally, execute Standard.(See "Automatic Adjustment to Straighten Lines and Colors.") →P.804• When printing on special paper, or if printing is not improved after Standard, try Manual.(See "Manual Adjustment to Straighten Lines and Colors.") →P.806Note• In the next case, execute Initial adjustmt.(See "Adjustment When Installing the Printhead.") → P.808• If adjusting the printhead position has not been performed such as due to an error during initial setup• If Rep.P.head Print in the Control Panel menu is set to Off and adjusting the printhead position has not beenperformed when replacing the printhead• Paper rubs against the printhead, or image edges are blurredSelecting Head Height in the Control Panel menu and changing the printhead height may improve the situation.(See "Troubleshooting Paper Abrasion and Blurry Images.") →P.809Automatic Adjustment to Straighten Lines and ColorsAutomatic Adjustment to Straighten Lines and ColorsIf vertical lines in printed documents are warped or colors are out of alignment, execute Head Posi. Adj.. The printerwill print and read a test pattern, and the Printhead position will be adjusted automatically.There are two modes for automatic Printhead adjustment: Standard and Simple.• StandardExecute if vertical lines in printed material are warped or colors are out of alignment.Furthermore, if Simple does not improve printing, try Standard.• SimpleExecutes simple adjustment in a short time.Execute this when frequently adjusting the printhead, such as during daily inspection.Adjusting the Printhead iPF8400User's GuideAdjustments for Better Print Quality Adjusting the Printhead804
