Canon imagePROGRAF iPF850 User Guide - Page 556
Adjusting the Printhead, Automatic Adjustment to Straighten Lines and Colors, Nozzle Check
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Adjusting the Printhead iPF850 Adjusting the Printhead Adjusting the Printhead ...556 Automatic Adjustment to Straighten Lines and Colors 556 Manual Adjustment to Straighten Lines and Colors 558 Adjustment When Installing the Printhead 559 Adjusting Line Misalignment ...560 Troubleshooting Paper Abrasion and Blurry Images 562 Adjustments for Better Print Quality Adjusting the Printhead If printed documents are affected by the following problems, try adjusting the printhead. • Printing is faint or affected by banding in different colors Execute Nozzle Check in the Control Panel menu to check for printhead nozzle clogging. For instructions, see "Checking for Nozzle Clogging." ➔P.585 • Printed vertical lines are warped or colors are out of alignment Execute 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.556 • When printing on special paper, or if printing is not improved after Standard, try Manual. (See "Manual Adjustment to Straighten Lines and Colors.") ➔P.558 • In the next case, execute Initial adjustmt. Note (See "Adjustment When Installing the Printhead.") ➔P.559 • 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 been performed when replacing the printhead Adjusting the Printhead • Paper rubs against the printhead, or image edges are blurred Selecting Head Height in the Control Panel menu and changing the printhead height may improve the situation. (See "Troubleshooting Paper Abrasion and Blurry Images.") ➔P.562 Automatic Adjustment to Straighten Lines and Colors If vertical lines in printed documents are warped or colors are out of alignment, execute Head Posi. Adj.. The printer will 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. • Standard Execute if vertical lines in printed material are warped or colors are out of alignment. Furthermore, if Simple does not improve printing, try Standard. • Simple 556 Executes simple adjustment in a short time. Execute this when frequently adjusting the printhead, such as during daily inspection. User's Guide