Acrobat 9 + Output Preview


in acrobat 9 noticed confusing. had pdf file had black text on background. opened in acrobat 9 , went check see if black text set overprint. going output preview turned off process black separation , showed me black appeared overprinting. turned off simulate overprint check box , background showed text knocking out. under color warnings preview used show me overprinting elements , verified black text overprinting. assumed simulate overprinting show me picture if black text not set overprint. instead it's deceiving me making me think black text knocking out when turn off.
in acrobat 8 previews appeared correctly or assumed in mind correct. feature working correctly in acrobat 9 , if can explain thought process behind happening?

in acrobat 9, might have noticed overprint preview has been removed menu items under advanced > print production. "simulate overprinting" checkbox added output preview can still temporarily "turn on/off" simulation of overprinting appearance (rather have change preferences), largely troubleshooting or further examination of document. turning off turning off overprint preview (which simulates overprinting appearance). it's not turning off overprint flag itself, color warning still highlighting black text.

output preview enables overprint preview regardless of preferences (in earlier versions, includes menu selection). unable turn off overprint preview whenever output preview open. in 9, checkbox allows turn off simulation.

overprint preview can still controlled in display preferences.

i hope helped. if not, please give more info expecting see.


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