Solving Problems 177

 

Improving Print Quality

 

You can often improve print quality by doing the following:

 

Run a nozzle check and cleaning cycle. See page 148 for instructions.

 

Align the print head. See page 152 for instructions.

 

When you send a print job, make sure your print options are set

 

correctly. For more information, see page 85 (Mac OS X) or page 107

 

(Windows).

 

If none of these suggestions help, try the solutions in the following table.

 

 

Problem

Solution

 

 

Your print has horizontal

Check the ink indicators and light to see if you are low on ink. (If you replace

banding.

ink cartridges with the printer turned off, the ink indicators will not be

 

accurate.) Replace ink cartridges if necessary, as described on page 153.

 

Run a nozzle check and cleaning cycle. See page 148 for instructions.

 

Turn off the High Speed setting.

 

Make sure the Media Type setting in the printer software is correct.

 

If you’re using cut sheet media, make sure the printable side is face up.

 

Choose a higher resolution, such as SuperPhoto - 2880x1440dpi.

 

If you’re using a third-party RIP and non-Epson media, see if the RIP provides

 

a method for adjusting the paper feed.

 

 

 

Try adjusting your advanced media control settings (page 94 for Mac OS X) or

 

paper configuration settings (page 126 for Windows). Check these settings:

 

Make sure the Paper Thickness setting is correct for your paper.

 

Use the Paper Feed Adjustment to tune out banding. Reduce the value for

 

white lines, and increase it for overlapping dark lines.

 

If you’ve created a custom paper configuration, be sure to return the setting

 

to standard (STD) when you’re done using it. See page 83.

 

 

Your print has vertical

Turn off the High Speed setting.

banding.

Align the print head; see page 152.

 

 

 

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Epson SP7890K3, SP9890K3 manual Improving Print Quality, Problem Solution