安装cups，p910nd

$ sudo apt update
$ sudo apt upgrade
$ sduo apt install -y cups printer-driver-foo2zjs p910nd

配置文件

$ sudo nano /etc/default/p910nd
内容
P910ND_NUM=0
P910ND_OPTS="-f /dev/usb/lp0"
P910ND_START=1
$ sudo systemctl restart p910nd

多个USB打印机设置

$ sudo nano /etc/init.d/p910nd

内容如下

#! /bin/sh
### BEGIN INIT INFO
# Provides:          p910nd
# Required-Start:    $remote_fs $syslog $network
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: p910nd daemon providing network printer access
# Description:       Start p910nd to provide port 9100+n printer service
### END INIT INFO

# Author: Mario Izquierdo (mariodebian) <mariodebian@gmail.com>
#

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="network print daemon"
NAME=p910nd
DAEMON=/usr/sbin/$NAME
PIDFILE=/var/run/p9100d.pid
PIDFILE1=/var/run/p9101d.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# create /var/run and /var/lock/p910nd (Debian policy 3.8.1)
[ ! -d /var/run ] && mkdir -p /var/run
[ ! -d /var/lock/p910nd ] && mkdir -p /var/lock/p910nd

P910ND_OPTS=""
P910ND_NUM=""
P910ND_OPTS1=""
P910ND_NUM1=""

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME


DAEMON_ARGS=" $P910ND_OPTS $P910ND_NUM"
DAEMON_ARGS1=" $P910ND_OPTS1 $P910ND_NUM1"

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
    # Return
    #   0 if daemon has been started
    #   1 if daemon was already running
    #   2 if daemon could not be started
    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
        || return 1
    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
        $DAEMON_ARGS \
        || return 2
    start-stop-daemon --start --quiet --pidfile $PIDFILE1 --exec $DAEMON -- \
        $DAEMON_ARGS1 \
        || return 2
}

#
# Function that stops the daemon/service
#
do_stop()
{
    # Return
    #   0 if daemon has been stopped
    #   1 if daemon was already stopped
    #   2 if daemon could not be stopped
    #   other if a failure occurred
    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
    RETVAL="$?"
    [ "$RETVAL" = 2 ] && return 2
    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE1 --name $NAME
    RETVAL="$?"
    [ "$RETVAL" = 2 ] && return 2

    # Wait for children to finish too if this is a daemon that forks
    # and if the daemon is only ever run from this initscript.
    # If the above conditions are not satisfied then add some other code
    # that waits for the process to drop all resources that could be
    # needed by services started subsequently.  A last resort is to
    # sleep for some time.
    start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
    [ "$?" = 2 ] && return 2
    # Added for second daemon but may not be necessary
    start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
    [ "$?" = 2 ] && return 2

    # Many daemons don't delete their pidfiles when they exit.
    rm -f $PIDFILE
    # return "$RETVAL"
    rm -f $PIDFILE1
    return "$RETVAL"

}

case "$1" in
  start)
    # disable start
    if [ "$P910ND_START" != "1" ]; then
            log_warning_msg "Not starting p910nd daemon. Please edit /etc/default/p910nd first."
            exit 0
        fi

    log_daemon_msg "Starting $DESC" "$NAME"
    do_start
    case "$?" in
        0|1) log_end_msg 0 ;;
        2)   log_end_msg 1 ;;
    esac
    ;;
  stop)
    log_daemon_msg "Stopping $DESC" "$NAME"
    do_stop
    case "$?" in
        0|1) log_end_msg 0 ;;
        2)   log_end_msg 1 ;;
    esac
    ;;
  restart|force-reload)
    #
    # If the "reload" option is implemented then remove the
    # 'force-reload' alias
    #
    log_daemon_msg "Restarting $DESC" "$NAME"
    do_stop
    case "$?" in
      0|1)
        do_start
        case "$?" in
            0) log_end_msg 0 ;;
            1) log_end_msg 1 ;; # Old process is still running
            *) log_end_msg 1 ;; # Failed to start
        esac
        ;;
      *)
        # Failed to stop
        log_end_msg 1
        ;;
    esac
    ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
    exit 3
    ;;
esac

:

重新启动服务

$ sudo systemctl daemon-reload
$ sudo systemctl restart p910nd