HP p2035n Printer Issues
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@thanksaj said:
If the Mac is using Bonjour, it's bypassing the print server and talking directly to the printer. It sounds like you might be having network issues with the print server, or some other piece of networking equipment. It could also be a spooler issue. When you are having this issue with this printer, are you able to print to other printers on the same network connected to the same print server?
Yes we are still able to print to every other printer in the office.
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If it was the printer NIC I would expect that the Mac would have equal issues. Not necessarily, but likely.
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I did have a printer once that would print for windows but not for an AS400. It turned out the cable to the printer had super high latency - it caused the AS400 to file, but windows was able to handle it.
I suppose the same could be said here - Windows won't accept it, but Bonjour will?
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@Minion-Queen said:
@thanksaj said:
If the Mac is using Bonjour, it's bypassing the print server and talking directly to the printer. It sounds like you might be having network issues with the print server, or some other piece of networking equipment. It could also be a spooler issue. When you are having this issue with this printer, are you able to print to other printers on the same network connected to the same print server?
Yes we are still able to print to every other printer in the office.
So we can eliminate the spooler as the issue, most likely.
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@scottalanmiller said:
If it was the printer NIC I would expect that the Mac would have equal issues. Not necessarily, but likely.
Agreed. That being said, I have seen situations like what @Dashrender is talking about. Some protocols and systems have more robust timeouts, etc.
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Yes, protocol differences can definitely explain it. Not the most likely thing, in my estimation, but a very real possibility.
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@Minion-Queen, did you say there were other issues on the network right now?
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Yes we have some cabling issues all over.
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We know they need new Ethernet cabling in pretty much the whole office. lots of dead drops and other weird issues.
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@Reid-Cooper said:
I agree, it sounds like the Mac has a "sideband" conversation with the printer not going through the same channel as the Windows machines. So when the Windows machines have a hiccup through that channel the Mac has no idea that anything is wrong.
Bonjour is a routeless protocol, like IPX or NetBEUI. Discovery works through IP but it broadcasts instead of point to point. So it can work on non-routeable IP addresses like 169.254. I would bet a buck that the Mac and printer are on the same switch.
Other than cleaning up cabling and replacing crap switches, not much to do.
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I almost read that as a ruthless protocol.
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Yes, all on one brand new switch. Issue was there before the switch was replaced.
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Only one switch? Media drops between the printer and server only?
Sounds less like bad cabling and such and more like someone broadcasting garbage onto the network. Perhaps too many devices running Bonjour or something like it clogging up broadcast.
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@PSX_Defector said:
Only one switch? Media drops between the printer and server only?
Only one switch in question. Multiple switches but its physically segregated (dedicated hardware voice network) not VLANs. So all of the printers and all of the desktops and laptops are on a single switch.
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Only devices running Bonjour.
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Got any cascaded switches behind it? Or, god forbid, a hub?
Yeah, smelling like a packet storm on the network is puking all the good stuff for higher level protocols. Parse the arp tables and see if you can find something out of place. I'll put the two bucks I won on the single switch stuff onto there being a crap "router" somewhere plugged in. Double or nuthin'!
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@PSX_Defector said:
Got any cascaded switches behind it? Or, god forbid, a hub?
There is a router. One router link goes to the voice switch, so that's completely separate. The other router link goes to the data switch (the one in question.) That switch has all direct attached desktops, servers, laptops, etc. It has one wireless AP attached to it and one additional switch hanging off of one port, but last I saw that switch was unused and only planned to be used for two devices in the foreseeable future. So probably not involved in any way.
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@PSX_Defector said:
I'll put the two bucks I won on the single switch stuff onto there being a crap "router" somewhere plugged in. Double or nuthin'!
Used to be six routers in there. They were all yanked out when the new switch was installed.
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I'd still get an arp output from the switch. If you have that few amount of devices it's probably nothing to go through and read what MACs are there and compare it to the database of addresses. If you find something that doesn't belong, it's potentially your culprit.
Beyond that, usual troubleshooting. Trace, ping, das boot which has already been done. Etc. etc. etc.
