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I've been reading about using QTR to make a DN for darkroom prints (silver gelatin). After making the test print (or step wedge), it appears that a flatbed scanner can be used to scan the print and measure the resulting digital file with Photoshop. We don't have access to a proper densitometer or other spectrometer devices. Has anyone tried using a digital camera (DSLR or mirrorless) to take a picture of the test print and measure the file in PS? As long as there is a maximum black patch and white patch, it seems these act as an internal standard for the image file. This could be used to compensate for exposure and lighting. I'm sure someone has done this before - I just can't find any mention of this. Any advice would be appreciated! Thanks, RC Wieboldt

Hello, I’m relatively new to QTR — I’ve been using it for a little over a month — and I’ve run into a strange issue. I’m printing on an Epson P7000, and today, whenever I send a job to the printer, it starts printing but stops after about an inch. The status then changes to “waiting,” and the job never resumes. I’ve waited it out for over 30 minutes, but nothing changes. I’ve already tried restarting both my Mac and the printer, reinstalling QTR, and rerunning the install command for the P7000. Unfortunately, the issue persists — the print still stops after the first inch or so. I tested printing through the standard Epson driver using Print Tool, and that worked just fine. So it really seems like the issue is isolated to QTR communicating with the printer. Has anyone else experienced this? Any suggestions for how to fix it? Thanks, Tim Fitzpatrick

Hello!! I was wondering if anyone has experience installing QTR on Epson Ecotank printers. I’ve read in other posts that for the L1800 model, it’s possible to use the profile of the 1400/1430. Has anyone tested it with the L8180 (8550)? Would it be possible to use another profile or make some kind of adaptation to make it work with this model? Best regards,

anyone know if qtr 2.8.2 supports mac o/s sequoia on the m series mac processors? that o/s is not listed in the description on the qtr website. I am getting terrible prints from it is why I ask (with epson p900)

If anyone has worked with the P5370 and it keeps showing the error message “paper not detected,” this week I tried taping one edge with opaque tape, worked but not always, drawing sharpie pen lines along the bottom and side edge (in both instances assuming it is an OPTICAL issue detecting the paper) also worked but not always. Well yesterday teaching a digital negatives workshop one of my students offhandedly mentioned that she pushes down on the top edge of the OHP as it is being detected, essentially putting a bit more weight or pressure on the bottom edge, and it solved the problem. It actually worked consistently. They had figured it was a weight issue, not an optical issue. Don’t have any proof of this but thought I’d share anyway because that ding ding ding error light and message is really annoying especially in a class of 16. Note that all my other printers I have used, 1900, 2200, 2400, 3800, 3880, P700, P800, P900 have never displayed this tendency to not detect the paper, but the P5370 is the most I would say “pro” printer of all of these. Chris

Hi, is it possible to used epson sc p9500 with qtr? thanks in advance Marek -- Ta wiadomo?? e-mail zosta?a sprawdzona pod k?tem wirusów przez oprogramowanie antywirusowe AVG. www.avg.com

For anyone who is using the Xrite i1 for measuring targets, or Chris. I was reviewing Chris's(your) great instructions for QCDN. I like these because they are written using numbered steps (thank you!), which my brain prefers. The instructions mention to measure a target three times with an average, and send to the Data Tool (I only just began using this.) My question is how does one "read three times" and then "average". If I read each row of the target, multiple times, does it simply override the last measurement, or does it somehow average the reading? Any guidance on achieving the average via multiple readings of the target would be helpful. I typically measure the target once, but I am interested in attempting to work with an average to see if it yields a better result. Thanks, DM

QTR-CurveView is not opening the P900 profiles with 10 inks. Basically nothing happens. And suddenly it is not opening any profiles.

I have an old Epson Stylus2200 and used it years ago for printing digital negs. Haven't used it in at leat 7-8 years. I bought some expired ink and cannot get anything near a print-just some light color, no B&W coming through at all. Laughingly, it is recognized and shows as having full ink cartridges. I expect the problem is the nozzles/print head, but the question I have is whether to get it fixed, or just toss it. I have a Canon PIXMA Pro100 that I use for printing, but wanted to get back into alternatyive photography, hence breaking out the R2200 from the shelf. Any recommendations greatly appreciated.

Hi, Ink is not drying fast enough while i am printing on a photopolymer plate. I use Epson sc P800 and Quadtone application on Windows 11. Extending Drying time per head pass would help but I do not know how to change it with quadtone. It is possible to change that in Epson driver but I cannot do it with QTR Please help. Marek

Another PSA. I have wrestled with helping people set up their P900s for DTP use over the last couple of years. I think I have finally figured out a pretty solid workflow for getting this done. It has a number of steps, and is documented here: DTP with P900 and QTR

They don't sell the original ink for my Epson R2880 anymore. And I've checked the Epson website for printers that use UltraChrome ink, but they don't sell them anymore in The Netherlands. Does anyone else has this problem to? And what is the solution?