Digital BW, The Print

QTRIP Calibrating Density with Photoshop

As I do not own nor have access to a densitometer, I am trying to 
perform the Ink Density calibration for QTRIP v2.0 beta8 using 
Photoshop 7 and my old Epson Perfection 1200 scanner. This is for an 
Epson 1270 using MIS VM inks with Ebony black.

After doing the Hardware Ink Limitation Calibration(which I settled 
on 90), I printed out the QuadtoneRIP Ink Pattern Page in Calibration 
mode (with BOOST_K disabled). I then scanned the resulting image into 
PS using Silverfast Ai 6. I disabled all calibration and color 
correction in Silverfast and scanned in RGB mode converting to 
grayscale in PS.

The problem is that my 100 Black is only 85%in PS (38 RGB). I assume 
that I should be getting a reading of 100% or something close to it. 
Although I can correct this in Silverfast or PS I would think that 
this would defeat the whole purpose of the calibration process.

What have I done wrong and how can I correct this ?

Any and all help would be greatly appreciated.

Thanks
Tim Goodwin

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