HP L26500/L28500 User Manual download pdf (Page 94)

A Summary of common printing

problems

This is a table of common problems and the RIP parameters that can be changed in order to solve the

problem. Some possible side-effects are also shown. For a more detailed treatment of any particular

problem, please see the relevant chapter in this guide.

Problem Parameter Change Possible side-effects

Durability problems, ink smudges

or oily finish

Curing temperature Increase Substrate jam, substrate damage,

ink smears

Number of passes Increase Slower printing

Substrate jam, substrate damage,

ink smears

Curing temperature Decrease Less durability (smudges), oily

finish

Vacuum (and disable cutter) Increase Substrate skew

Top and/or bottom margins Increase Substrate waste

Drying temperature Decrease Coalescence, banding, less

durability (smudges), oily finish

Horizontal or thin vertical banding

in saturated area fills

Drying temperature Increase Substrate jam, substrate damage,

ink smears

Ink limits Decrease

(depends on

RIP)

Reduced color gamut

Number of passes Increase Slower printing

Modify color separations and

dark color generation

Graininess, color misregistration

or lack of sharpness

Align printheads

Calibrate substrate advance

Black areas look hazy or image

gloss is not uniform

Modify color separations and

dark color generation

Drying temperature Increase Substrate jam, substrate damage,

ink smears

Number of passes Increase Slower printing

Curing temperature Decrease Less durability (smudges), oily

finish

88 Appendix A Summary of common printing problems ENWW

Common problems

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HP L26500/L28500 User Manual Page 94

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