1

Using the raw driver to send pre-generated PCL directly to the printer, I get response times around 4 s. When I send it to the printer using netcat I get about 300 ms.

It seems that there is some problem with CUPS' socket backend: http://pastebin.com/NmDGss1A

1

According to the CUPS forum this is a bug in CUPS 1.4.3 which causes an SNMP request for supply levels even for raw queues (for normal queues you can disable it in the PPD file):

OK, this is a known bug in the 1.4.3 socket backend; the 1.4.7 and later releases disable SNMP supply level lookups (the source of the delay) for raw queues.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.