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Hi, I recovered this display, I think comes from a photocopier, I would check with Arduino, but I can not identify the correct pin, put in some photos of the display where you see the chips.
I have recovered another that he used the chip HD44780, and in ten minutes I found pinout diagrams and Arduino controls it perfectly, but this thing.
Thank you all for your help.

http://it.tinypic.com/m/f06sld/1


http://it.tinypic.com/m/f06slc/1
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did you try to google ID prints on PCB, like DEC-XX-0 (under the red line in picture 2) and the number on the front side (P300051300XXX?)
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Hard to say. The SED1191 seems to be a row driver for dot-matrix displays so maybe it is a dot matrix display. There is an epson chip that probably controls the display and interfaces with the printer. Chances are the epson interface has no spec sheets.
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for the signs on the pcb I have tried everything but could not find anything.
Unfortunately I think that the chip that controls the arrays is a dedicated non-standard chip epson and impossible to control, and if I remove the chip? Epson could directly control the matrix with arduino? directly connected to the 1191?
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