BLEEDING, BLOOMING AND WICKING

Symptoms

Blurred lines. (See also ' User's Guide, chapter 9.)

DBleeding: Different color inks, printed side by side, run into each other.

DBlooming: Ink absorbs into the paper, spreading beyond the desired ink dot.

DWicking: Ink spreads along a fiber or fibers in the paper, creating a •spider web" effect.

Product Fault

Printing in fast mode.

Media Fault

DThe ink is incompatible with the media type.

DEnvironmental conditions may affect the media. (Temperature or humidity levels are too high.)

Solutions

One or more of the following actions may be appropriate to solve the problem:

DChange the plot;quality mode: Plotting in Best mode slows plotting but improves quality.

DUse better quality media.

DIf you are plotting on vellum or translucent media, try using Hewlett;Packard media.

DRecommended environmental conditions for optimum plot quality are in the range of 15 ; 35 degrees Celsius (59 ; 95 degrees Fahrenheit) with 20 ; ￿0 % relative humidity.

DPen problem: TTOE (Thermal Turn;On Energy) has not been performed because of incorrect cartridge change. With the power ON, open the top cover and reseat the cartridge.

INK SMEARING

Symptoms

Ink smears on the media. (See also ' User's Guide, chapter 9.)

Product Fault

The media touches the print heads. This can occur because:

DThe media;holding mechanism is not holding the media correctly, and the media buckles.

DThe carriage;to;media distance is too small. (Adjustment ' chapter 5.)

Print Quality

HP DesignJet 430, 450C and 455CA Printers

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