escputil man page on aLinux

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ESCPUTIL(1)		    Gutenprint Manual Pages		   ESCPUTIL(1)

NAME
       escputil - maintain Epson Stylus inkjet printers

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 alignment.

       -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 nozzles 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 damage 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.

       -i, --ink-level
	      Obtain the ink level from the printer.  This requires read/write
	      access to the raw printer device.

       -d, --identify
	      Query the printer for make and model information.	 This requires
	      read/write access to the raw printer device.

       -o, --align-color
	      Align  the  color	 print	head (used by Stylus Color 480 and 580
	      only).  CAUTION: Misuse of this option may result in poor	 print
	      quality and/or damage to 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 (iden‐
       tify, 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 communica‐
       tion.   For  Linux  version  2.2,  CONFIG_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 command.  The command will need to be reis‐
       sued 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.

OTHER INFORMATION
       The homepage of the Gutenprint project from which this utility was con‐
       tributed is located at http://gimp-print.sourceforge.net/.

SEE ALSO
       lp(4), tunelp(8).

Version 5.2.3			  21 Dec 2008			   ESCPUTIL(1)
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