diff --git a/nmap-service-probes b/nmap-service-probes
index 3a81d97b8..b86d428d3 100644
--- a/nmap-service-probes
+++ b/nmap-service-probes
@@ -4762,8 +4762,8 @@ match imap m|^\* OK IMAP4rev1 server ready\r\nGET BAD Unknown command '/'\r\n BA
match imap m|^\* OK Gimap ready for requests from [\d\.]+ ([\w\d]+)| p/Google Gmail imapd/ i/$1/
# Server: CUPS/1.1
-match ipp m|^HTTP/1\.0 \d\d\d .*\r\nServer: CUPS/([-\w_.]+)|s p/CUPS/ v/$1/
match ipp m|^HTTP/1\.0 \d\d\d .*
Home - CUPS ([\d.]+).*SUMMARY=\"Common UNIX Printing System|s p/CUPS/ v/$1/
+match ipp m|^HTTP/1\.0 \d\d\d .*\r\nServer: CUPS/([-\w_.]+)|s p/CUPS/ v/$1/
match ipp m|^lpd \[@[-.\w]+\]: Host name for your address \([:.\d]+\) is not known\n$| p/CUPS/
match ipp m|^HTTP/1\.0 \d\d\d .*\r\nDate: .*\r\nServer: EPSON-IPP/([\d.]+)\r\nContent-Type: application/ipp\r\nContent-Length: \d+\r\n\r\n| p/Epson ippd/ v/$1/ d/print server/
match ipp m|^HTTP/1\.0 404 Not Found\r\nCache-Control: no-cache\r\nDate: .*\r\nPragma: no-cache\r\nContent-Type: text/html\r\nContent-Length: 91\r\nServer: Web-Server/([\d.]+)\r\n\r\n404 Not Found\n404 Not Found
\0| p/NRG copier or Ricoh Afficio/ i/Embedded Web-Server $1/ d/printer/