Digital BW, The Print

Density measurements were obtained from printed 21 step wedges using  
an eye-one spectrophotometer  with MeasureTool and QTR Create-icc  
software.

On Nov 30, 2005, at 3:41 AM, Tony Riley wrote:

> Can I ask what method you are using to measure these black density  
> levels?
>
> TonyR
>
>
>> Behalf Of Carl Schofield
>> Sent: 29 November 2005 20:26
>> To: DigitalBlackandWhiteThePrint@yahoogroups.com
>> Subject: Re: [Digital BW] MIS k4 black density
>>
>> Here are my results for printing with MIS MK (Eboni) and the
>> MIS k4 inks in the 2400.  I did some tests with Epson Velvet
>> Fine Art (VFA) and Hahnemuhle Photo  Rag Bright White (HPRB)
>> papers using the Epson
>> driver ABW mode and both Photo RPM and Best Photo print
>> resolutions.
>> VFA was used as the media setting for all tests and default
>> neutral settings were used for ABW mode.  Create-icc profiles
>> were made and used for print space in the color management,
>> print with preview option of CS2 for all paper/ink/resolution tests.
>>
>> VFA:
>> Epson MK k3 inks, Photo RPM, dmax 1.769
>> MIS MK (Eboni) k4 inks, Photo RPM dmax 1.734 (Best Photo dmax 1.741)
>>
>> HPRB:
>> Epson MK k3 inks, Photo RPM, dmax 1.643
>> MIS MK (Eboni) k4 inks, Photo RPM dmax 1.744 (Best Photo dmax 1.754)
>>
>> Neutrality was very good with VFA using the MIS k4 inks and
>> the HPRB appeared to have a slight selenium tone (probably
>> because of the higher level of OBs in this paper).  Although
>> Eboni dmax was slightly lower on VFA, compared to the Epson
>> MK, it was higher than I was expecting.  Eboni dmax was much
>> higher on HPRB, compared to Epson MK.  I can see some
>> metamerism in the MIS k4 prints that I do not see with the
>> Epson k3 prints.  I don't find the level of metamerism to be
>> objectionable, but for those who are ultra sensitive to this
>> QTR might be a better printing option to avoid the metamerism.
>>
>> Carl
>>
>> On Nov 29, 2005, at 12:40 PM, Clayton Jones wrote:
>>
>>> Hello Carl,
>>>
>>>> I will try the MIS MK (Eboni)  as well in the 2400.  I expect that
>>>> dmax will be less with Eboni on Epson VFA (1.77 with Epson MK) and
>>>> more on HPR (1.64 with Epson MK) based on your experience.
>>>
>>> Great.  I'm interested not only in dmax comparisons but also your
>>> opinion on general appearance compared to K3, and anything
>> else you're
>>> aware of.  Many thanks.