Accessing a printer on a network

Ok, first off where is your 10.42.XX.XX getting there IP's from? Server or router? Whatever the case you need to change the scope of the DHCP in the router or on the server to assign DHCP from (for example) 10.42.4.10 - 10.42.4.100 depending on how many IP's you will need. It doesnt sound like many because you only have an 8 port Hub. Now you need to go into the Wireless Router and change the Local IP of the router to (for example) 10.42.4.2 and change the scope on the DHCP for 10.42.4.101 - 10.42.4.150. Give this a try, should work for you.

you can make a workgroup and share the printer

I agree with Darrenakin, that would fix your problem.  I also have a suggestion though that would fix your issue and imporve your internal LAN speeds.  This is under the assumption you are really using a "hub".  Hub's are old technology which limit bandiwidth.  With your 8port hub you are taking a 100mps(hopefully) connection and dividing it up by 7.  Inother words you are only getting approx 15mps per port on the hub wether something is connected to a port or not.  This might be insignificant untill it comes down to internal lan traffic, ex. your printers.  I am assuing your Dlink wireless router has at least 4 ports on it.  THis being the case you can simply run the cat5 from the cisco to the WAN on the router.  Setting up the wan port either DHCP or Static depending on the cisco config.  Then attach you 3 pc's to the Dlink via cat5 and use the wireless link.  This will eliminate the bottle neck you have with the hub and effective put all the pcs/laptops/printer shares on the same segment.

you could just disable dhcp on the wireless router all together and move the connection to the lan port on the wireless router.  this would make it function as an access point.  i would also consider enabling the mac filter on the wireless router so you can secure it.

ture but you also need to modify the host address on the Router to match the internal scheme so you can interface with it and configure it

 Ok, while waiting for yoru replies, I called D-Link and asked for assistance with their product, but since I mentioned the work "printer", they freaked out and said it was a Windows sharing issue and refused to assist me.  This is why I go here first, not to manufacturers support lines, they know less than my cat.
  Anyway, I have successfully changed the address of the wireless router to 10.42.4.5.  I set the laptop to get it's address from the router and now I have internet again, but I am unable to ping the other PC's on the network.  I have the router set to Enable DNS Relay.  It will issue addresses from 101 to 199.  
  Any other ideas?  These other 3 PC's and the two printers have been working fine for over 15 years.  The issue is definitely with the new wireless router configuration.

See if there is a firewall option in the wireless router that you can turn OFF. No big deal since this router is behind the Cisco

 Do you mean add the address of the wireless router to the DMZ in teh Cisco router?

 OK, latest update!  I have had the wireless router connected to the hub via the WAN port and a straight through cable.  Doing this I have internet, but no access to the rest of the network.  I tried connecting the cable from a regular port to a regular port on the hub.  Now I have no internet, but I can access the rest of the network, including the printers I need.  How can I do both?

 Actually, I just disabled the routers passthrough and server abilities,a nd now everything works fine.  Both internet and local network files and printing.  Thanks for the input anyway.