from /usr/lib/cups/backend/dnssd:

DEBUG: Found "HP LaserJet 2300 series @ Laura Lichtblau’s PowerBook G4 15"._ipp._tcplocal"...
DEBUG: Found "Adobe PDF 9.0 @ Laura Lichtblau’s PowerBook G4 15"._ipp._tcplocal"...
DEBUG: Found "HP Color LaserJet 4700 [118440]._ipp._tcplocal"...
DEBUG: Found "Lexmark E250dn._ipp._tcplocal"...
DEBUG: Found "seafloor_lw._ipp._tcplocal"...
DEBUG: Found "designjet 5500ps (Q1254A) (0001E6B19165)._ipp._tcplocal"...
DEBUG: Found "Phaser 6250DP (8a:1f:b3)._ipp._tcplocal"...
DEBUG: Found "HP Color LaserJet CP2025dn (28B546)._pdl-datastream._tcplocal"...
DEBUG: Found "HP LaserJet M1522nf MFP (1C0309)._pdl-datastream._tcplocal"...
DEBUG: Found "HP Color LaserJet 4700 [118440]._pdl-datastream._tcplocal"...
DEBUG: Found "Lexmark E250dn._pdl-datastream._tcplocal"...
DEBUG: Found "seafloor_lw._pdl-datastream._tcplocal"...
DEBUG: Found "designjet 5500ps (Q1254A) (0001E6B19165)._pdl-datastream._tcplocal"...
DEBUG: Found "Phaser 6250DP (8a:1f:b3)._pdl-datastream._tcplocal"...
DEBUG: Found "PS-724931-P1._printer._tcplocal"...
DEBUG: Found "HP Color LaserJet CP2025dn (28B546)._printer._tcplocal"...
DEBUG: Found "HP LaserJet M1522nf MFP (1C0309)._printer._tcplocal"...
DEBUG: Found "Lexmark E250dn._printer._tcplocal"...
DEBUG: Found "seafloor_lw._printer._tcplocal"...
DEBUG: Found "HP Color LaserJet 4700 [118440]._printer._tcplocal"...
DEBUG: Found "designjet 5500ps (Q1254A) (0001E6B19165)._printer._tcplocal"...
DEBUG: Found "Phaser 6250DP (8a:1f:b3)._printer._tcplocal"...
network dnssd://HP%20LaserJet%202300%20series%20%40%20Laura%20Lichtblau%E2%80%99s%20PowerBook%20G4%2015"._ipp._tcp.local/cups "hp hp LaserJet 2300L" "HP LaserJet 2300 series @ Laura Lichtblau’s PowerBook G4 15\"" "MFG:hp;MDL:LaserJet 2300L" ""
network dnssd://Adobe%20PDF%209.0%20%40%20Laura%20Lichtblau%E2%80%99s%20PowerBook%20G4%2015"._ipp._tcp.local/cups "Adobe Adobe PDF" "Adobe PDF 9.0 @ Laura Lichtblau’s PowerBook G4 15\"" "MFG:Adobe;MDL:PDF" ""
network dnssd://HP%20Color%20LaserJet%204700%20%5B118440%5D._ipp._tcp.local/ "HP HP Color LaserJet 4700" "HP Color LaserJet 4700 [118440]" "MFG:HP;MDL:Color LaserJet 4700" ""
network dnssd://designjet%205500ps%20(Q1254A)%20(0001E6B19165)._ipp._tcp.local/ "designjet 5500ps (Q1254A)" "designjet 5500ps (Q1254A) (0001E6B19165)" "MFG:HP;MDL:5500ps (Q1254A)" ""
network dnssd://Phaser%206250DP%20(8a%3A1f%3Ab3)._ipp._tcp.local/ "Xerox Xerox Phaser 6250DP" "Phaser 6250DP (8a:1f:b3)" "MFG:Xerox;MDL:Phaser 6250DP" ""
network dnssd://HP%20Color%20LaserJet%20CP2025dn%20(28B546)._pdl-datastream._tcp.local/ "HP HP Color LaserJet CP2025dn" "HP Color LaserJet CP2025dn (28B546)" "MFG:HP;MDL:Color LaserJet CP2025dn" ""
network dnssd://HP%20LaserJet%20M1522nf%20MFP%20(1C0309)._pdl-datastream._tcp.local/ "HP HP LaserJet M1522nf MFP" "HP LaserJet M1522nf MFP (1C0309)" "MFG:HP;MDL:LaserJet M1522nf MFP" ""
network dnssd://HP%20Color%20LaserJet%204700%20%5B118440%5D._pdl-datastream._tcp.local/ "HP HP Color LaserJet 4700" "HP Color LaserJet 4700 [118440]" "MFG:HP;MDL:Color LaserJet 4700" ""
network dnssd://designjet%205500ps%20(Q1254A)%20(0001E6B19165)._pdl-datastream._tcp.local/ "designjet 5500ps (Q1254A)" "designjet 5500ps (Q1254A) (0001E6B19165)" "MFG:HP;MDL:5500ps (Q1254A)" ""
network dnssd://Phaser%206250DP%20(8a%3A1f%3Ab3)._pdl-datastream._tcp.local/ "Xerox Xerox Phaser 6250DP" "Phaser 6250DP (8a:1f:b3)" "MFG:Xerox;MDL:Phaser 6250DP" ""
network dnssd://PS-724931-P1._printer._tcp.local/ "Unknown" "PS-724931-P1" "" ""
network dnssd://HP%20Color%20LaserJet%20CP2025dn%20(28B546)._printer._tcp.local/ "HP HP Color LaserJet CP2025dn" "HP Color LaserJet CP2025dn (28B546)" "MFG:HP;MDL:Color LaserJet CP2025dn" ""
network dnssd://HP%20LaserJet%20M1522nf%20MFP%20(1C0309)._printer._tcp.local/ "HP HP LaserJet M1522nf MFP" "HP LaserJet M1522nf MFP (1C0309)" "MFG:HP;MDL:LaserJet M1522nf MFP" ""
network dnssd://HP%20Color%20LaserJet%204700%20%5B118440%5D._printer._tcp.local/ "HP HP Color LaserJet 4700" "HP Color LaserJet 4700 [118440]" "MFG:HP;MDL:Color LaserJet 4700" ""
network dnssd://designjet%205500ps%20(Q1254A)%20(0001E6B19165)._printer._tcp.local/ "designjet 5500ps (Q1254A)" "designjet 5500ps (Q1254A) (0001E6B19165)" "MFG:HP;MDL:5500ps (Q1254A)" ""
network dnssd://Phaser%206250DP%20(8a%3A1f%3Ab3)._printer._tcp.local/ "Xerox Xerox Phaser 6250DP" "Phaser 6250DP (8a:1f:b3)" "MFG:Xerox;MDL:Phaser 6250DP" ""
ERROR: Timeout reached
ERROR: Timeout reached
ERROR: Timeout reached
ERROR: Timeout reached
ERROR: Timeout reached
ERROR: Timeout reached