Chapter 3 Handling When the print result is faint or white lines or black lines are printed Follow the steps below to clear the problem efficiently. 3 149 Check if the paper is loaded cor- rectly. • For roll paper: Open the roll paper cover, and load the paper again. For details, see "Replacing Fanfold Paper with Roll Paper" on page 75. • For fanfold paper: Place the stack of fanfold paper straight at least 40 mm {1.57"} away from the back of the printer. For details, see "Replacing Roll Paper with Fanfold Paper" on page 66. Check if the print nozzles ar e clogged. Perform nozzle check and check whether print nozzles are clogged. If the print nozzles are clogged, perform head cleaning.
Hold down the cleaning but- ton for more than three seconds to start head cleaning. Check if the shutters on th e platen on the outer side of th e paper are open. When the shutters on the platen on the outer side of the paper are set to open, air cur- rent may cause white lines on the print result. Follow the instructions on the label o n the top of the printer, and set the shutters on the platen. For details, see "Shutter Adjustment" on page 40. Check if the paper you are using matches the paper set in [Media Type]. Check the paper you are using and the [Media Type] settings.
For details, see step 9 in "Replacing Roll Paper with Fanfold Paper" on page 66, or ste p 10 in "Replacing Fanfold Paper with Roll Paper" on page 75. Correct the paper feeding mis- alignment The paper feeding amount changes depending on the paper you are using, and it may cause white lines or black lines to be printed. On the printer driver's [Printer Utilities] tab, click [Printer Setting Utility]. When th e PrinterSetting screen is displayed, click [Printer Adjustment] - [Print Head Alignment], and per-form [Banding Adjustment]. For details, see the following: "How to Make Media Settings" on page 167 "Print Head Alignment" on page 133