To use netcat to send a postscript file to the printerĪt the same time that lpstat says that the printer is not responding. When the problem happens, netstat shows the state as SYN_SENTĪnd lpstat -l reports "the printer is not responding".īut tcpdump on the interface shows that the kernel is sending aĭifferent type of packet to the printer (I forget what type now, but itĪlso (since the HP is a postscript printer) I found that it is possible I have seen this problem with a HP laserjet printer and with a It never happens when my macbook is connected using a cable. I have the same problem with CUPS on my macbook running El Capitan.īut ONLY when the macbook is connected to the router using the
#Why does my printer say not connected mac mac#
It starts printing, type Control-C in the terminal window and close it.Īfter three cycles, the MAC started printing.If it reports 'cannot connect to printer', repeat starting at step (4). You should see 'Connecting to printer' for the print job waiting.ping printer (where printer is the hostname or ip-address).I did this because I did not feel like 'reseting the printing system.' Here's what I did this last time it did not print. In the past I have 'reset the printing system', it deletes all the printers. If left alone, the MAC will eventually print it. 'The printer is not responding.'Ĭonnecting to the printer with the web browser works.ĭisplaying the ink levels from the printer device menu works. Something will get added to the print queue, and the MAC won't print it. Is there anything else I can try to fix or at least diagnose the problem? I'm on OS X 10.11 El Capitan and have no intention of upgrading. (But I think that happened to me before - "Generic PostScript Printer" should work.) It also doesn't correctly recognise the printer's driver, which I have installed, when trying to add it. When adding the printer I do it by IP address, as per my institute's instructions. Removing /Library/Printers and re-adding the printerĪdding a new location in the Network preferences pane, then removing and re-adding the printer Resetting the print system and re-adding the printer I can ping the printer's IP address, and I can access its web page and see its supply levels, so I can definitely connect to it. The printer is online and working for everyone else. Printing usually works for me, but since yesterday I get the "Printing - The printer is not responding" message in the print queue. I'm on my university's network and would like to avoid bothering the support staff if I can resolve this myself.