HP (Hewlett-Packard) 4500 User Manual

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Print Quality Diagnostic Report
1. 
Load regular, white, letter-size or A4 paper
2. On the product control panel, press   (Setup), select Print Report, select Print
Quality, and then press OK.
3. Evaluate the Print Quality Diagnostic Report:
a Ink level
b Color bars
c Large-font text
d Alignment pattern
aInk level: Look at the Ink level boxes to double-check cartridge ink levels. If a
box is completely white, you might need to replace that ink cartridge.
Example Ink Level - Black is low - replaceTri-color  is OK.
 
Poor print quality and unexpected printouts
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