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escputil



SYNOPSIS

       escputil  [ -P printer | -r device ] [ -m model ] [ -u ] [
       -c | -n | -a | -i | -d | -o | -s | -l | -M | -h ] [ -q ]


DESCRIPTION

       escputil is a command  line  utility  to  perform  various
       maintenance  tasks on Epson Stylus inkjet printers.  These
       tasks include head alignment, head cleaning, nozzle check,
       printer  identification,  and  retrieval of ink level from
       the printer.


OPTIONS

       escputil accepts the following options:

       -P, --printer-name=printer
              Specify the name of the printer to operate on.  The
              default is the default system printer.

       -r, --raw-device=device
              Specify the name of the device to write to directly
              rather than going through a printer queue. You must
              use  this  (rather  than specifying a printer) when
              retrieving ink levels or identifying  the  printer,
              or  if  you  wish to perform head alignment without
              specifying the printer model.

       -m, --model=model
              Specify the precise printer model for  head  align­
              ment.

       -u, --new
              The  printer  is a new printer (Stylus Color 740 or
              newer).

       -c, --clean-head
              Clean the print head.  This can also  be  performed
              from the printer front panel.

       -n, --nozzle-check
              Print a nozzle test pattern.  Dirty or clogged noz­
              zles will show as gaps in the pattern.  If you  see
              any  gaps,  you  should run a head cleaning pass or
              two.

       -a, --align-head
              Align the print  head.   CAUTION:  Misuse  of  this
              option may result in poor print quality and/or dam­
              age to the printer.  You must  either  specify  the
              printer  model  with  the -m option, or use the raw
              printer device to  allow  escputil  to  detect  the
              printer model.

              the printer.

       -s, --status
              Retrieve printer status.

       -l, --license
              Display the license/warranty terms of this program.

       -M, --list-models
              List the supported printer models.

       -h, --help
              Display a list of all command line options.

       -q, --quiet
              Suppress the banner.


BUGS

       USB-connected  printers  sometimes  fail  to  identify  or
       return ink levels.  You may have to  repeat  the  command.
       This is probably a timing issue in escputil, not a flaw in
       the printer.

       Anything requiring bidirectional  communication  with  the
       printer  (identify,  ink levels, or head alignment without
       specifying the printer model) requires  read/write  access
       to  the  printer  port  (for  example /dev/lp0).  This may
       require these operations to  be  performed  as  root.   In
       addition,  kernel  support  is  required for bidirectional
       communication.     For    Linux    version    2.2,    CON­
       FIG_PRINTER_READBACK  should  be  enabled;  this is called
       CONFIG_PARPORT_1284 on 2.4 and later kernels.

       If the printer is performing self-test or head cleaning on
       power  up,  the  identify and ink level commands will time
       out, although the printer successfully receives  the  com­
       mand.   The  command  will  need  to  be reissued when the
       printer is quiescent.


AUTHORS

       Robert Krawitz.


COPYRIGHT

       Copyright ©  2000 Robert Krawitz (rlk@alum.mit.edu)

       This program is free software;  you  can  redistribute  it
       and/or modify it under the terms of the GNU General Public
       License as published  by  the  Free  Software  Foundation;
       either  version  2 of the License, or (at your option) any
       later version.


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