HP Deskjet 3420 Color Inkjet Printer - Manual (Page 79)

General (OS 9.x or X Classic)
Paper Type/Quality (OS X)
Paper Type: Photo
Paper
Quality: Best or High
Resolution Photo
blank pages print or color is missing from printout
●
The protective piece of plastic tape may still be attached to the print cartridges.
Verify that the plastic tape has been removed from the print cartridges.
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The print cartridges may be out of ink. Replace one or both empty print
cartridges.
2. Open the Print dialog box and verify the following settings:
panel setting
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