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Digital BW, The Print

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DMax Sanity Check

2005-12-11 by Martin Carrington

All,

Below are DMax readings obtained with a Macbeth 914 for a couple of
paper / ink combinations, to me the MIS Ebony numbers look way too
low. I was wondering if MIS mis marked the cartridge:

HPR Satin/UC: DMax 1.72(absolute) 1.64(minus base) - 85% ink load (no
Printshield)
Printshield lowers DMax around 0.07

HPR Satin/Ebony  DMax 1.55 (absolute) 1.46 (minus base) - 85% ink load

The Ebony also gave very low (around 1.5) DMax on CondorBW. Ready to
trash the Ebony.

Anyone to care to share their readings to compare?

Out of interest there was some discussion in the past as to whether
the absolute DMax or the papaer white compensated DMax should be
reported, I didn't see any firm consensus - any more thoughts?

Thanks

Martin

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