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Laserjet 6P and Lion

1166 Views 9 Replies Latest reply: Oct 5, 2012 12:58 PM by LilyLC RSS
macgroupie Level 1 Level 1 (10 points)
Currently Being Moderated
Aug 26, 2012 11:28 AM

Recently purchased iMac running OS X 10.7 Lion. My iMac will not recognize my HP 6P Lajerjet Printer.

Only way I can access that printer is when my MacBook with 10.6 is running with Printer Sharing turned on.

The 6P Laserjet is connected to my network via ethernet and Airport Extreme.

I have not found any HP drivers for the 6P Laserjet on the HP site.

Any suggestions?

  • LilyLC Level 4 Level 4 (2,620 points)
    Currently Being Moderated
    Aug 26, 2012 5:26 PM (in response to macgroupie)

    Click the Apple icon and select Software Update. After determining the updates available, click the Show details button. Check the box next to HP Printer Drivers and click ok/submit. Alternatively, you can manually download and install the latest HP printer drivers.

  • LilyLC Level 4 Level 4 (2,620 points)
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    Sep 3, 2012 4:59 PM (in response to macgroupie)

    macgroupie wrote:


    I installed the HP drivers, but I still get the warning that the printer is not installed.

    When does that "warning" appear? Tell us what you did prior to it appearing.


    The only time I can print is when my laptop is active on the network


    Should not have to connect to your laptop...


    Thanks, but please read my entire post.

    Read and re-read. Perhaps you could provide information on what you did.


    macgroupie originally wrote:


    Recently purchased iMac running OS X 10.7 Lion. My iMac will not recognize my HP 6P Lajerjet Printer.


    What happened when you tried to add the HP Laserjet 6P printer using Print & Scan in System Preferences?


    Does your network recognize your "Recently purchased iMac"?

    Is your network using MAC filtering?


    FYI: I've a new MB Pro pre-installed with OS 10.7.4. No problems adding HP Laserjet 4MV, which pre-dates the HP 6P by six years, on the ethernet/wireless network. There are also two other computers on the network and none of them use printer sharing.

  • David Empson Level 1 Level 1 (90 points)
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    Sep 4, 2012 5:57 AM (in response to macgroupie)

    As another data point: my HP LaserJet 6MP with HP JetDirect EX Plus (to provide Ethernet access) is working fine on Mountain Lion, and was working on Lion when I was running that version.


    I had to add the printer manually, since the JetDirect EX Plus doesn't support any service discovery protocols supported by Snow Leopard or later. I did this as follows:


    System Preferences

    Print & Scan

    Click the + button to add a printer

    Click the IP category in the toolbar


    Address: enter the IP address of the print server. (It must be set up to use a fixed IP address.)

    Protocol: HP JetDirect - Socket

    (I also had "Line Printer Daemon - LPD" working under earlier systems but haven't tried it in Lion or later.)

    Queue: leave blank

    Name: Enter a suitable name for the printer

    Location: optional

    Use: Select Printer Software...


    I then chose "HP LaserJet 6P/6MP - Postscript" from the list.


    I haven't tried using the Gutenprint driver for the 6P. That would be using PCL instead of Postscript.


    If your model is actually a 6P and you didn't add the Postscript SIMM then you would have to use the Gutenprint driver. The 6MP is identical to a 6P but comes with the Postscript SIMM installed. It says "6P" on the front of the printer and is identified as a 6P on the network, so you might actually have a 6MP.

  • David Empson Level 1 Level 1 (90 points)
    Currently Being Moderated
    Sep 9, 2012 3:10 AM (in response to macgroupie)

    What device is your HP LaserJet using to give it Ethernet access? The 6P/6MP doesn't have a built-in Ethernet port, only a serial port (which supports LocalTalk or asynchronous serial), and a parallel port. You must have some other device plugged into one of those two ports.


    My HP JetDirect EX Plus connects via the parallel port. There is a Status button on the JetDirect which causes it to print a configuration report, including two pages of technical details about all the protocols supported by the JetDirect. Amongst those are its current IP address, and its MAC address (network hardware interface address).


    My JetDirect is old enough that it doesn't have a built-in web server to configure it, but I can adjust its configuration via telnet (or using Windows-only configuration software).


    My JetDirect's default configuration was to use a fixed IP address, rather than being assigned one via DHCP, so I left it with the default and set up my network to be compatible with that address. I arranged the configuration of the DHCP server in my router to allocate addresses to other devices on my network which were in a range that did not conflict with the fixed IP address of the JetDirect, but still within the same network address range. To be preceise: the JetDirect was using with a subnet mask of, so I set my router to use and the same subnet mask, and its DHCP server to assign addresses from through That left through available for manually configured addresses.


    Since then I have got a more modern router which also allows me to assign a constant IP address to a device via the router's DHCP server, using the device's MAC address or a configurable client name as the identifier. That method would also work well.


    Whichever method you pick, your network interface to the printer must end up with a consistent IP address every time you turn it on. You can then set up a print queue on the Mac to use that IP address.


    If your network interface to the printer is more modern, it might support better protocols like Bonjour, which could allow you to refer to the printer by name and allow it to have a dynamically assigned address.

  • David Empson Level 1 Level 1 (90 points)
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    Sep 10, 2012 3:05 AM (in response to macgroupie)

    I don't have any experience with the Farallon iPrint but was vaguely aware of it. After a Google search to refresh my memory, it appears to be a device for bridging AppleTalk between Ethernet and LocalTalk. I can't see anything which suggests this device supports TCP/IP.


    There appear to be at least two iPrint variants. The "iPrint SL" was for Apple StyleWriter printers, while the "iPrint LT" was for printers which support LocalTalk, such as the HP LaserJet 6MP. Your one is probably the latter.


    Are you sure your MacBook which is sharing the printer is running Mac OS X 10.6? 10.6 doesn't support AppleTalk at all, so I can't see how this device would work with it, unless there is another Farallon iPrint variant which I haven't found yet.


    If your MacBook is actually running Mac OS X 10.5, then the iPrint is probably using AppleTalk, which won't work with 10.6 or later. There is no way you can print to the 6MP via an AppleTalk adapter directly from 10.6 or later (you would have to go via printer sharing from a Mac running 10.5 or earlier).


    The sceen shot of the printer details from your iMac doesn't reveal anything useful because that is just the shared printer connection to the MacBook. Can you check the same details for the 6MP printer on your MacBook? That might reveal something helpful about how the MacBook is talking to the printer.

  • LilyLC Level 4 Level 4 (2,620 points)
    Currently Being Moderated
    Oct 5, 2012 12:58 PM (in response to macgroupie)

    macgroupie wrote:

    My only difficulty is discovering what the IP address is for my HP LaserJet 6P/6Mp.


    Print a test page from the printer. See HP Instructions.


    I have Airport Extreme, version 7.6.1


    My printer is attached via ethernet cable to my airport extreme.

    7.6.1 is the firmware, which works for all generations of the Airport Extreme. Model number would help us determine the ports one your particular model.



    my LaserJet LocalTalk cable is joined to the network by a Farallon iPrint ethernet adaptor  (at least 10 years old)


    Ah, I used to use Farallon Phonenet adapters. While the Farallon iPrint ethernet adaptor only bridges the Localtalk device to ethernet. It does not all use of TCP/IP communication protocol. Since Dave Empson has his HP 6MP working, consider getting an HP JetDirect EX Plus or HP JetDirect 300x Print Server.


    In addition to Dave Empson's helpful instructions, see also the recommendation by IdleMac and the info Printing to an AppleTalk Printer with Mac OS 10.6.


    Good Luck!

    MacBook Pro, Mac OS X (10.7.4), 2012; MBP 2007 (10.6); PB12; iPh3GS


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