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diff -up cups-1.4.3/backend/snmp.c.hp-deviceid-oid cups-1.4.3/backend/snmp.c
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--- cups-1.4.3/backend/snmp.c.hp-deviceid-oid	2009-12-08 02:13:42.000000000 +0000
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+++ cups-1.4.3/backend/snmp.c	2010-04-13 15:00:26.486148914 +0100
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@@ -194,6 +194,7 @@ static const int	UriOID[] = { CUPS_OID_p
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 static const int	LexmarkProductOID[] = { 1,3,6,1,4,1,641,2,1,2,1,2,1,-1 };
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 static const int	LexmarkProductOID2[] = { 1,3,6,1,4,1,674,10898,100,2,1,2,1,2,1,-1 };
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 static const int	LexmarkDeviceIdOID[] = { 1,3,6,1,4,1,641,2,1,2,1,3,1,-1 };
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+static const int	HPDeviceIdOID[] = { 1,3,6,1,4,1,11,2,3,9,1,1,7,0,-1 };
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 static const int	XeroxProductOID[] = { 1,3,6,1,4,1,128,2,1,3,1,2,0,-1 };
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 static cups_array_t	*DeviceURIs = NULL;
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 static int		HostNameLookups = 0;
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@@ -1003,6 +1004,9 @@ read_snmp_response(int fd)		/* I - SNMP 
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 	_cupsSNMPWrite(fd, &(packet.address), CUPS_SNMP_VERSION_1,
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 	               packet.community, CUPS_ASN1_GET_REQUEST,
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 		       DEVICE_PRODUCT, XeroxProductOID);
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+	_cupsSNMPWrite(fd, &(packet.address), CUPS_SNMP_VERSION_1,
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+		       packet.community, CUPS_ASN1_GET_REQUEST,
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+		       DEVICE_ID, HPDeviceIdOID);
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         break;
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     case DEVICE_DESCRIPTION :