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Please explain what the printer did wrong in the first place before you started taking the cleaning unit apart. It is not clear to me where you added some tubing but fresh ink is supplied via tubes which come from the ink tanks and which supply the ink from the top where the tubes connect to the...

Would these drawings help ? https://www.gedat-spareparts.com/ex/wf_3520.pdf

Yes, it is , but Epson is doing the same , the T3100 comes with pigment ink in cartridges and the T3100X as the Ecotank version of it comes with dye inks. When I look back to the prints with pigment inks on the old pro 7600 rarely any were exposed that much that pigment inks were really...

I'm not familiar with Canon's current approach to control the use of black inks - pigment and dye - as a function of the drdiver and driver settings like duplex and borderless , and this for 4 color and 5 color printers. I remember that a table in the resp. maintenance manuals was listing all...

The G1520 megatank printer by Canon is a pretty basic model, it's just a basic printer without any further options, no duplex printing. It uses a 4 color CMY dye and black pigment inkset - the GI-51 series. I was trying to run some profiles with these inks but gave up pretty soon. The media...

Could you try to print with other software - not PS - and don't use the 'printer manages color' option. Please post a nozzle check as well.

There are several options you should try and test - just use smaller pieces of paper and select a section in your image where the color cast is most visible, you may go down to 4 x 6 inch pieces. Use the Epson prem Semigloss and select the B/W - grayscale option in the driver, this should...

how you you print the B/W images - via the B/W mode in the driver or with an icc-profile but the image itself is converted to grayscale ? Please post a nozzle chck. What are your driver settings , what paper(s) are you using - glossy - matte ? What type of ink are you using - refill ? Brand ?

You may search for 'Dataco....' in the forums, the overall impression of members is very negative, there is a high risk of completely wrong readings and sequentially wrong profiles, I would not consider that package as a reliable tool to create profiles.

I recently got a Megatank G1520 printer by a friend of mine, he told me to install and activate the printer and use it for a while, he got the printer as a bargain but actually is looking for some other model with a scanner and more options. This was an opportunity to do some testing with this...

that could be an idea to promote a particular paper - Canon adds a nice smell to one of their papers - I would prefer most the smell 'Ocean Breeze' over 'Spring Flowers'. The consumer goods industry is already perfuming lots of their products today

If you want to know more about the effects of optical brighteners in prints you may read this publication https://www.aardenburg-imaging.com/optical-brighteners-obas/ This is a subject which is completely separate from the question whether pigment inks would last longer than dye inks which is...

Let me slhow you what happens with the optical brigtheners during the fading process, optical brighteners are added to the coating of lots of photo papers - typically the standard glossy or semiglossy types. OBA's may be omitted on some matte papers and lots of the FineArt types but you need to...

Let me update the results of the fading test now after 2 weeks - with 4 papers and 4 inks, I'm not running any cheaper 3rd party inks like InkTec in this test, and I don't repeat tests from over the last years with the lower end Epson and Canon bottled inks like Epson 664 or 102 or Canon GI-51...

I happened to get a G1520 Megatank printer for a while and will post some comments separately; Yes, the GI51 is pigmented, and the GI-53 of the G550 photo printer is a dye ink, but please be aware of one more detail - the GI-51 PGBK delivers a pretty weak - dark gray black print, the GI-53 as a...

You can try to move a piece of kitchen paper under the printhead and wet the paper with some window cleaner and let it sit there for a while. But beyond that I would go and claim warranty for such a printer since you say it's a new printer.

I checked and scanned a few patch sheets already after 5 days to verfiy if there are still some inconsistencies in the data , I couldn't find any, data are already diverging pretty clearly depending on the ink/paper combinations - but that is actually expected . I'll give the patch sheets an...

Can you print in B/W mode and raise brightness to eliminate the gray background, and you may increase the contrast as needed in the driver .

You are addressing a problem about every user has - to get performance data of inks and papers , it is virtually not possible even for OEM products, and even less for 3rd party products , so you have to make a guess or just go by the brand names hoping to get a good product. You may find the...

I reprinted the patchsheets and measured the media blackpoints again, I added a Canon PT 101 Pro Platinum to the test, and I'm getting these results: The data don't vary much against the data in the original table , the Epson inks all run pretty closely, the Canon GI-53 performs somewhat...