Wednesday, August 27, 2008

Synergy - The story of a cleaner desk

Why use Synergy?

The keyboard and mouse take a lot of space on your desk. You can use one keyboard and mouse and control multiple systems.

  • Save desk space by removing extra mice and keyboards.  With Synergy, a single keyboard and mouse controls multiple systems.
  • Keep your hands in one place.  If you are a touch typist, keeping your hands on a single keyboard is a productivity enhancer.
My configuration:
  • The server system: Ubuntu 8.04, Hardy Heron
  • The client system: XP SP3
Resources:

Sunday, August 24, 2008

Configure an iMac (OS X) and a LaserJet 4000tn to play nice

I don't get many calls to work on Mac systems, so, I'm far from an expert. Here are the steps I used to configure the printer and the iMac.

The equipment and environment ...
  • Max OS X, 10.5.4(9E17), Darwin 9.40
  • HP LaserJet 4000tn
  • LAN is 192.168.1.X
The challenge ...
  • OS X did not find the printer
  • Attempt to enter the printer's IP in the Mac Printer Setup Utility
  • The printer's IP was unknown
  • Configure the printer, computer, and router

Step 1
- Get the printer's IP

Determine the printer's IP by having it print its configuration information. This can be found on page 93 of the User's Guide, C4118-91060.
  • Press [Menu] until INFOMATION MENU appears
  • Press [Item] until PRINT CONFIGURATION appears
  • Press [Select] to print the configuration page

Step 2
- Change the printer's IP

If needed, change the printer's IP. To avoid some problems, the printer should be configured on the same subnet as the other systems. In our case it should be 192.168.1.200

The printer's IP number should be outside the range of numbers the router can serve with DHCP. If the router can serve addresses 192.168.1.100 thru 192.168.1.200, then make sure the printer is in the range 192.168.1.201 thru 192.168.1.254.
  • Navigate to the EIO 2 menu on the printer
  • Set "Configure TCP/IP" to "yes", press "Select". An asterisk, "*" will appear to the far right.
  • Configure "BOOTP=NO" at the prompt. We are going to set the printer to a static IP number. If the value was set to "YES", the printer could be configured to get its IP from a DHCP server.
  • Configure the IP number. Use the "Item" key to navigate to the "IP BYTE 1=" value. Enter the proper value using the "Value" key. Continue and set bytes 2, 3, and 4. The value is often 192.168.1.N. Our printer is set to 192.168.1.200.
  • Configure the subnet mask. Use the "Item" key to navigate to the "SM BYTE 1=" value. Enter the proper value using the "Value" key. Continue and set bytes 2, 3, and 4. This value is often 255.255.255.0. It could be different, depending on your network configuration.
  • Configure the address of the system log. Use the "Item" key to navigate to the "LG BYTE 1=" value. Enter the proper value using the "Value" key. Continue and set bytes 2, 3, and 4. This points to the system that is configured to receive log events. Since none is configured on this LAN, it is configured with 0.0.0.0.
  • Configure the default gateway address. Use the "Item" key to navigate to the "GW BYTE 1=" value. Enter the proper value using the "Value" key. Continue and set bytes 2, 3, and 4. By convention, the router is usually configured as the first value in the subnet range. Our configuration follows this convention so is set to 192.168.1.1.

Step 3 - Configure the router
  • Restrict the number of addresses that can be served by DHCP. Make sure there are addresses available that can be assigned to the printer, outside the range served by DHCP. See the printer configuration steps for more info on the address to select for the printer.
  • The specifics of configuring the x router varies with each brand and model. Our router's DHCP server is configured to serve addresses 192.168.1.100 thru 109.

Step 4
- Configure OS X
  • Open the Printer Setup Utility
  • Enter the printer's IP number in the IP Address field.
  • Click the "Test" button to verify the configuration.
  • Close the Printer Setup Utility window.

Additional Notes
  • The "Item" key may have been broken on this printer. It is a rocker style key. I was only able to use the left side of the key, the "-" side. Perhaps your printer will have a fully functional key. Or maybe only the "-" side was designed to be functional. I dunno.
  • The User's Guide is available as a .pdf download. It was useful. See: http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&lang=en&cc=us&docIndexId=64179&taskId=101&prodTypeId=18972&prodSeriesId=25474