wrap command into ESC CR before sending it

[Printer-EVOLIS.git] / README

diff --git a/README b/README
index ab53243..e2c97eb 100644 (file)
--- a/README
+++ b/README
@@ -7,12 +7,19 @@ DESCRIPTION
     ribbon (K) to provide pixel-exact driver with support for two-side
     printing.
 
-    Existing cups driver available at
+    Existing cups driver is available at
 
     http://www.evolis.com/eng/Drivers-Support/Product-support/Dualys-3
 
-    does work, but I haven't been able to make it print duplex on cards,
-    especially when generating front and back pages separatly.
+    but I haven't been able to make it print on both sides of cards, partly
+    because using dumplex option in cups seems to segfault GhostScript
+    and/or `rastertoevolis' cups filter depending on combination of duplex
+    options.
+
+    I also needed pixel perfect transfer to printer, and cups bitmap format
+    is always in color, leaving final pixel modifications down to cups
+    filter which always produced differences between file sent to printer
+    and perfect black and white rendition of it.
 
 SCRIPTS
     Current toolset consists of following scripts:
@@ -34,6 +41,11 @@ SCRIPTS
     Simulator for EVOLIS printer commands which is useful for development.
     It creates one pbm file per page printed.
 
+  scripts/evolis-command.pl
+    Command-line interface to send commands to printer and receive
+    responses. Supports readline for editing and history. Requires local
+    parallel port connection, probably to USB parallel device.
+
 EXAMPLE
     Following is simple walk-through from svg image in Inkscape to evolis
     command stream which can be executed in top-level directory of this