0: disable
1: enable
LPD
LPR printing is
enabled or disabled
0: disable
1: enable
admin# get LPD
LPD_ENABLE=1
IPP
IPP printing is
enabled or disabled
0: disable
1: enable
admin# get IPP
IPP_ENABLE=1
RAW
RAW printing is
enabled or disabled
0: disable
1: enable
admin# get RAW
RAW_ENABLE=1
