Lines are too thick, too thin or missing

issues quality-Print

1.Check that the paper type you have loaded corresponds to the paper type selected in the front panel and in your software. To check on the front panel, use the View loaded paper key.

2.Check that you are using appropriate print-quality settings for your purposes (see Printing

on page 43). Select the custom print-quality options in the driver dialog (Mac OS Print dialog), and try turning on the Maximum detail option. You may wish to reprint your job at this point in case the problem has been solved.

3.If lines are too thin or missing, print the Image Diagnostics Print. See The Image Diagnostics Print on page 155.

4.Try aligning the printheads. See Align the printheads on page 164. After alignment, you may wish to reprint your job in case the problem has been solved.

5.Go to the front panel and press the View loaded paper key to see the paper advance calibration status. If the status is RECOMMENDED, you should perform paper advance calibration: see Recalibrate the paper advance on page 139.

If the problem persists despite all the above actions, contact your customer service representative for further support.

Lines appear stepped or jagged

If lines in your image appear stepped or jagged when printed:

1.The problem may be inherent in the image. Try to improve the image with the application you are using to edit it.

2.Check that you are using appropriate print-quality settings. See Printing on page 43.

3.Select the custom print-quality options in the driver dialog (Mac OS Print dialog), and turn on the Maximum detail option.

4.If you are using the PCL3 driver for Windows, you can change your image rendering resolution to 300 ppi or 600 ppi depending on your printing needs. You can find the Max. application resolution option in the driver dialog's Advanced tab, under Document Options > Printer Features.

152 Chapter 13 Troubleshooting print-quality issues

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