
In case you didn’t get it, ink was the next big issue on my mind. My photo printer is a 17″ Epson 3800, a cutting edge printer that is capable of producing quite wonderful images. Straight out of the box the 3800 comes with 2 different options for making a b/w print. You can simply convert the image to grayscale in photoshop and fire it off to the standard color print driver. Printing b/w this way is simply the easiest thing going. However it uses a lot of the color inks (cyan, magenta, and yellow) in creating the b/w image. The colored inks are viewed with a degree of suspicion by many in the b/w inkjet community for several reasons, with the main two being they degrade color stability of the print over time (colored inks tend to fade faster) and sometimes, some people are able to perceive the influences of the color inks. The second more complex b/w printing method is using the Advanced Black and White (ABW) option that Epson provides. While not quite as straightforward as printing using the color option, ABW isn’t too difficult either. Printing with the ABW driver uses much much less color ink to create a neutral print, and it also offers a deeper dmax than the color driver.
Generally when printing b/w I go straight to the ABW driver because of the dmax, and controls for adjusting shadows, highlight and toning of the image. I myself rarely print a straight up neutral b/w version of my photos. Most of the time I add some warmth to my images. I expect that when printing this portfolio I will decide on how warm the prints should be and keep it consistent throughout the portfolio. On top of my tendency for warm b/w images I also have been trying to come up with a way of creating a split toned image to my liking. So far I have not been able to do this with my 3800. Last year I was at a workshop and met a photographer who had produced an absolutely stunning portfolio, with a sublime sepia/selenium split tone. I’d never seen anything quite like it before. Given my colorvision problems (I’m red/green colorblind) it is especially difficult for me to distinguish purple from blue. However on these selenium toned shadows I could actually see the purple, something I normally just can’t make out. Since then, whenever the mood strikes me I’ve spent a little time in photoshop fooling around trying to reproduce it, or also trying to find an ABW combination that gets me close. So far I’ve been unsuccessful in that endeavor, which leads me to my next topic.
QTR
Quad Tone Rip is a cool piece of software written by Roy Harrington. It is a standalone print driver for many Epson inkjet printers, which is built on top of the Gimp/Gutenprint print engine. The neat thing about QTR is that you have pretty much complete control of each individual ink channel in your Epson printer. Learning how to use QTR for blending your own inks, creating curves and icc profiles is not for the faint of heart (nor possibly for the sane of mind either). Since I had never been able to come up with a decent selenium tone in Photoshop, or with my other b/w profiling (Spyder3 Print – a topic for another day) or ABW controls, I thought that maybe I would actually force myself to learn how to use QTR in the hopes of developing my own ink curves for the selenium tone purple shadows I was after. Of course the only reason I embarked upon this additional task was because I didn’t already have enough on my plate with selecting images, editing them, choosing paper, formatting and printing my portfolio, on top of the normal everyday things like going to work, delivering a new software system, and making time for my family. Maybe I have some new kind of attention deficit disorder, kinda like ADHD in kids, but kinda in reverse for my adult mind that has to find a way to fill up every possible moment in time or uncommitted neural processing moment with a new (and rarely easy) potentially distracting task.
I contacted an old inkjet acquaintance who was familiar with QTR (thanks Lou!) and asked for some pointers, between his help, the poorly written QTR manual, the internet and lots of fooling around I actually made some progress and was able to work up a partial curve for producing my deep purple shadows. I printed many test strips with curves adjustments, and lots of questions to my daughter about the colors of purple/blue that she could see and I couldn’t. In the process I had to pretty much start from scratch, and it eventually dawned on me that I was going to have to start with just black and magenta, and work my way up from there. Eventually my light grey to magenta/black test strip actually smoothed out and even began to have a look like it was approaching linearity.
I set the QTR ink blending project aside for a few hours, and expected to come back and start mixing in some cyan in the hopes of moving toward purple and black. During this whole business with ink curves, the temperature in the greater L.A. area began to rise into the 90’s. This began to strain my computers, my photo editing workstation became mysteriously slow, with almost every little action spiking the dual core CPU. Finally one of my disk drives died, unfortunately it was one of my main disks with all my photography on it. Luckily that drive was part of a RAID mirror, so there were two copies of everything. After cursing my bad luck I ordered a replacement drive, and figured with the disk in the process of flaking out the I/O subsystem on my machine was being taxed and that was the cause of the slowness of my computer. Oops not so fast inkboy! My computer wasn’t finished F’in with me yet. The next morning the fan on my $80 CPU cooler failed! Stop, don’t pass go, head straight on over to jail. Sometimes I just have the worst luck when it comes to computer hardware.
And that is where my portfolio project has been for the past week, in jail. The people that make my ridiculously huge and expensive CPU cooler are right here in southern California. I called to ask about getting a replacement fan, and they said that they would ship me a new one right away. No need to send in the defective unit, no need to spend a fortune on a replacement (which would require disassembling the whole bloody computer). It should be there in a couple of days. Well, its been a week now, no dice, no computer, no inkjet curves, no portfolio printing, no ability to even get some sample photos to include in these ridiculously long blog postings.