Digital BW, The Print

Sirs,

Thank you for your comments. I do not know how to reply, except by trying to be specific in explaining my reasoning.

"Clog" and "clogged" seem tio be wrong.

A "clog" is a "portion of a substance cleaving together in a thick nondescript mass". "Clogged" means "blocked, blocked-up, bunged up, plugged. stopped". To "clog" means to "become filled with extraneous matter" or to "unite in a mass" or to "clot".

What was "the problem", the fact or the event the cause of which I needed to know?

Terrible prints and nozzle check patterns

What was the probable cause?

The inks had clogged the nozzles

How could I verify it?

I replaced the carts with Epson's carts and checked the nozzles.

What was the result?

The nozzle check patterns were immaculate, "spotlessly clean". 

What was my conclusion?

The nozzles of the printhead were not clogged - it was extremely unlikely that Epson's inks could have dissolved immediately any "thick nondescript mass".

Again: What was the probable cause of the problem?

Inks did not come out of the cartridges as they should.

What are the probable causes of this?

The inks are not homogeneous enough? They are not suitable for the printhead in some other way - uncoated or something else? There is something wrong with the cartridges (Chinese?) or the way they were filled? - I have heard only "questimates", not verified facts - the causal mechanism is still unknown.

A pertinent fact, or distinction, is that the size, or extent, of the problem varied. Sometimes everything went well, but I got finally enough when a cartridge was completely useless.

The problem persists. Elwood Spedden reported it here only about a week ago.

I used MIS's inks only on my Epson 1290 which I already donated away. I could now dedicate my Epson 2100 to B&W.

BTW, a Matte Black cartridge for Epson 2100 costs here $ 22. A MIS Ebony Black cartridge costs about $ 24, shipping, import duty and sales tax included.

Regards,

Ukko Heikkinen


[Non-text portions of this message have been removed]