420rw print alote of white space at end ( roll paper )

hello !

i have made a simple android printing service  . i

from android printing manager i convert the pdf  => image and then i print it with

printer1.printImage(new ZebraImageAndroid( mergeMultiple(myBitmapList)), 0, 0,830,1200,false); // true false i have try it

i have try all posible ways

printer1.printImage(new ZebraImageAndroid( mergeMultiple(myBitmapList)), 0, 0);

and set the label image  with

SGD.SET("zpl.label_length", "1200", connection);

but everytime its print ,i thing the height its have stored at device

my "allcv" is

bluetooth.

bluetooth.encryption : on , Choices: on,off

bluetooth.discoverable : on , Choices: on,off

bluetooth.authentication : setpin , Choices: on,off,default,setpin

bluetooth.friendly_name : ******// hidden

bluetooth.version : 2.1.14

bluetooth.date : 12/10/08

bluetooth.local_name : ******// hideen

bluetooth.address : ******* // hidden

bluetooth.bluetooth_pin : ****

bluetooth.short_address : ********// hidden

bluetooth.radio_version : 2.0

bluetooth.afh_mode : off , Choices: on,off

bluetooth.afh_map : 7FFFFFFFFFFFFFFFFFFF

bluetooth.afh_map_curr : 7FFFFFFFFFFFFFFFFFFF

bluetooth.enable : on , Choices: on,off

bluetooth.radio_auto_baud : 115

bluetooth.connected : No , Choices: Yes,No

card.

card.inserted : Not Inserted

card.cisproc

card.mfgid

card.cardid

card.fncode

card.idtext1

card.idtext2

card.idtext3

card.idtext4

card.fcrbase

card.fcrlist

card.defcfg

card.cor

card.defmacaddr

card.mac_addr : //hidden

card.mac_raw : //hidden

card.enable : off , Choices: on,off

comm.

comm.baud : 19200 , Choices: 19200,4800,9600,38400,57600,115200

comm.data_bits : 8 , Choices: 8,7

comm.parity : N , Choices: N,O,E

comm.stop_bits : 1 , Choices: 1,2

comm.dsr : on

head.

head.latch : ok

ip.

ip.dhcp.

ip.dhcp.enable : off , Choices: on,off

ip.dhcp.cid_type : 1

ip.dhcp.cid_prefix : 

ip.dhcp.cid_value : 01:d1:06:30:1c:60

ip.dhcp.requests_per_session : 0 , Choices: 1-10

ip.dhcp.request_timeout : 0 , Choices: 2-30

ip.dhcp.session_interval : 0 , Choices: 0-60

ip.dhcp.lease.

ip.dhcp.lease.length : 0

ip.dhcp.lease.time_left : 0

ip.dhcp.lease.server : 0.0.0.0

ip.dhcp.lease.last_attempt : 0

ip.dhcp.cache_ip : off , Choices: on,off

ip.dhcp.vendor_class_id : 

ip.dhcp.user_class_id : 

ip.dhcp.option12 : on

ip.dhcp.option12_format : 

ip.dhcp.option12_value : Rw4201093

ip.ftp.

ip.ftp.enable : off , Choices: on,off

ip.ftp.execute_file : off , Choices: on,off

ip.lpd.

ip.lpd.enable : off , Choices: on,off

ip.tcp.

ip.tcp.enable : off , Choices: on,off

ip.udp.

ip.udp.enable : off , Choices: on,off

ip.http.

ip.http.enable : off , Choices: on,off

ip.smtp.

ip.smtp.enable : off , Choices: on,off

ip.smtp.server_addr : 

ip.pop3.

ip.pop3.enable : off , Choices: on,off

ip.pop3.print_headers : off , Choices: on,off

ip.pop3.verbose_headers : off , Choices: on,off

ip.pop3.print_body : off , Choices: on,off

ip.pop3.save_attachments : off , Choices: on,off

ip.pop3.poll : 0

ip.pop3.username : 

ip.pop3.password : 

ip.pop3.server_addr : 

ip.pop3.print_attachments : off , Choices: on,off

ip.snmp.

ip.snmp.enable : off , Choices: on,off

ip.snmp.get_community_name : 

ip.snmp.set_community_name : 

ip.snmp.create_mib

ip.telnet.

ip.telnet.enable : off , Choices: on,off

ip.telnet.disconnect

ip.addr : 0.0.0.0

ip.netmask : 0.0.0.0

ip.gateway : 0.0.0.0

ip.port : 0

ip.remote : 

ip.ping_remote

ip.netstat : TCP/IP is not initialized.

ip.remote_port : 0

ip.remote_autoconnect : off , Choices: on,off

ip.bootp.

ip.bootp.enable : off , Choices: on,off

ip.mirror.

ip.mirror.auto : off , Choices: on,off

ip.mirror.username : user

ip.mirror.password : ********

ip.mirror.server : 127.0.0.1

ip.mirror.path : Zebra

ip.mirror.freq : 0

ip.mirror.fetch

ip.mirror.version : Sep 29 2008 12:14:56

ip.mirror.freq_hours : 0

ip.mirror.error_retry : 0

ip.mirror.feedback.

ip.mirror.feedback.auto : off , Choices: on,off

ip.mirror.feedback.path : Zebra/feedback

ip.mirror.feedback.freq : 0

ip.mirror.feedback.size : 4000 , Choices: size: bytes (4K-32K)

ip.mirror.success : No

ip.mirror.success_time : 0

ip.mirror.last_time : 0

ip.mirror.last_error : 

ip.mirror.file_failsafe : on , Choices: on,off

ip.mirror.mode : ftp , Choices: ftp,sftp

ip.vpn.

ip.vpn.username : user

ip.vpn.password : ********

ip.vpn.domain : mydomain

ip.vpn.mode : off

ip.vpn.addr : 0.0.0.0

ip.vpn.version : May 12 2008 11:46:53

ip.vpn.status : 

ip.ping_len : 10

ip.dns.

ip.dns.domain : 0 …H0

ip.dns.servers : 0 …H0

ip.discovery.

ip.discovery.enable : off , Choices: on,off

ip.discovery.port : 4201

ip.roam_packet : on , Choices: on,off

ip.ssh.

ip.ssh.server.

ip.ssh.server.enable : off , Choices: on,off

ip.ipsec.

ip.ipsec.enable : off

ip.ipsec.rules : TCP/IP is not initialized.

label.

label.x_move : 0 , Choices: inc,dec,nnn

label.y_move : 0 , Choices: inc,dec,nnn

label.crc : 

label.calculate_crc

label.noprint : off , Choices: on, off, p_on, p_off

motor.

motor.direction : forward

media.

media.status : ok

media.sense_mode : bar , Choices: gap,bar

media.tof : 0 , Choices: up,down,value

media.type : journal , Choices: journal,label

media.width_sense.

media.width_sense.enable : on , Choices: on,off

media.width_sense.in_mm : 104.0

media.width_sense.in_cm :  10.40

media.width_sense.in_dots : 832

media.width_sense.in_inches :  4.098

sensor.

sensor.ribbon : no ribbon

sensor.paper_supply : ok

sensor.peeler : clear

srf.

wlan.

wlan.operating_mode, Choices: ad hoc,infrastructure

wlan.essid

wlan.current_essid

wlan.station_name

wlan.tx_rate, Choices: 1,2,5.5,11,all

wlan.current_tx_rate

wlan.encryption_mode, Choices: off,40-bit,128-bit

wlan.associated, Choices: yes,no

wlan.encryption_index, Choices: 1,2,3,4

wlan.encryption_key1

wlan.encryption_key2

wlan.encryption_key3

wlan.encryption_key4

wlan.leap_mode, Choices: off,on

wlan.leap_username

wlan.leap_password

wlan.power_save, Choices: off,1,2,3,4,best

wlan.test.

wlan.kerberos.

wlan.kerberos.mode, Choices: off,on

wlan.kerberos.username

wlan.kerberos.password

wlan.kerberos.realm

wlan.kerberos.kdc

wlan.auth_type, Choices: open,shared

wlan.preamble, Choices: long,short

wlan.bssid

wlan.tx_power, Choices: 1,5,20,30,50,100

wlan.firmware_version

wlan.signal_strength

wlan.scrambler, Choices: off,on

wlan.bias_supp, Choices: off,on

wlan.current_freq

wlan.current_hop_index

wlan.international_mode, Choices: off,on,auto

wlan.roam.

wlan.roam.signal

wlan.roam.interval

wlan.roam.monitor

wlan.roam.interchannel_delay

wlan.roam.max_chan_scan_time

wlan.khz

wlan.channel

wlan.wpa.

wlan.wpa.enable : off , Choices: off,on

wlan.wpa.authentication, Choices: psk,leap,eap-tls,peap,ttls,fast

wlan.wpa.psk

wlan.wpa.mixedmode : off , Choices: off,on

wlan.wpa.wpa_version : 

wlan.wpa.groupkey_ciphersuite : 

wlan.wpa.pairwise_ciphersuite : 

wlan.8021x.

wlan.8021x.enable : off , Choices: off,on,wpa

wlan.8021x.authentication, Choices: psk,leap,eap-tls,peap,ttls,fast

wlan.8021x.peap.

wlan.8021x.peap.peap_username

wlan.8021x.peap.peap_password

wlan.8021x.peap.privkey_password

wlan.8021x.eap.

wlan.8021x.eap.username

wlan.8021x.eap.password

wlan.8021x.eap.privkey_password

wlan.adhocchannel, Choices: 1,2,3,4,5,6,7,8,9,10,11,12,13,14

wlan.adhocautomode, Choices: off, on

wlan.enable : off

wlan.encryption_optional, Choices: yes,no

wlan.adhoc_last_channel

wlan.secure_ssid : off

wlan.ip.

wlan.ip.addr : 0.0.0.0

wlan.ip.netmask : 0.0.0.0

wlan.keep_alive.

wlan.keep_alive.enable : off , Choices: off,on

wlan.keep_alive.timeout : 0

display.

display.contrast :  4

display.text :    Zebra RW 420     Baud Rate:19200     Batteryή²²²²ΝΓ(ok)  Latch: ok     Menu  

display.backlight : on , Choices: on,off

display.icon_contrast : 0 , Choices: up,down,0-3

display.print

display.flip_display : off , Choices: normal,auto,reversed

display.backlight_on_time : 10 , Choices: 1-65535

display.counter, Choices: off,0-19999,getvar

memory.

memory.flash_size : 8388607 Bytes

memory.ram_size : 16777215 Bytes

memory.flash_free : 3980000 Bytes Free

memory.ram_free : 10078707 Bytes Free

memory.clear

power.

power.voltage : 7.84

power.percent_full :  80% Full

power.status : ok

power.low_battery_warning : 7.10(182)

power.low_battery_shutdown : 6.79(174)

power.low_battery_timeout :   60 Seconds

power.inactivity_timeout :    0 Seconds

power.dtr_power_off : off , Choices: on,off

power.shutdown

power.ascii_graph : ή²²²²ΝΓ

power.low_battery_warning_raw : 182

power.power_on_cycles : 1809

power.percent_raw :  80

power.design_voltage

power.design_capacity

power.manufacture_date

power.relative_state_of_charge

power.serial_number

power.temperature

power.cycle_count

power.manufacturer_data

power.full_charge_capacity

power.health

power.date_first_used

power.charge_start

power.charge_stop

power.charge_reset

file.

file.dir :   Directory

   ZPL_CFG .CFG        84

   CONFIG  .SYS        55

   FF3     .BAT       116

   INDEX   .WML      4532

   OILCHANG.ZPL       708

   3980000 Bytes Free

file.type

file.delete

file.print

file.run

file.rename

file.append

file.failsafe : on , Choices: on, off

test.

test.print_diags

test.report_diags

test.feed

odometer.

odometer.user_label_count : 18480 , Choices: 0-65535

odometer.total_label_count :       308

odometer.total_print_length :   1643366 mm

odometer.media_marker_count :    59 , Choices: 0-65535

odometer.latch_open_count :   201 , Choices: 0-65535

odometer.label_dot_length :     0

odometer.rfid.

appl.

appl.date : 02/02/09

appl.name : SHSCG11x20          

appl.version : 9011

appl.ps.

appl.in : RAM

device.

device.reset

device.restore_defaults, Choices: wlan,ip,display,power,bluetooth

device.card.

device.card.description : Bluetooth

device.card.name : Bluetooth

device.card.id : 0x77

device.bridge.

device.bridge.enable : off , Choices: on,off,interim_on

device.friendly_name : Rw420

device.company_name : Zebra

device.product_name : RW 420

device.status : ready

device.pld.

device.pld.model : 0

device.pld.rev : 0

device.ms_tick_count : 17920

device.jobs_print : 0

device.label_counter : 0

device.languages : zpl , Choices: EPL, ZPL, epl_zpl, line_print, aplm

device.cph_enable : off , Choices: on,off

device.cph_interval :   300 , Choices: 0-65535

device.macro_get

device.user_p1 : ?

device.user_p2 : ?

device.two_key_wait : 2 , Choices: 0-15

device.uptime : 12

device.volume : high , Choices: high, medium, low

device.local_menu_mode

device.ff_disable : off , Choices: on, off

device.ftn_disable : off , Choices: on, off

device.h8_comp : 0

input.

any suggestions please ?