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I am trying to connect to lpt2 a printer shared on the network but I always receive the following message:

Source already in use

What could this be and how can I debug/fix this error? I am using the following command:

net use lpt2 "\\MyServer\RICOH MP C3000 PCL5c"

Is this correct?

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Are you sure the share name (not printer name) is "RICOH MP C3000 PCL5c"? Also is something using LPT2? Check which ports your current printers are using. If all else fails install the driver on the system and use the IP address of the printer as the port. –  Kyle May 12 '11 at 14:42

1 Answer 1

You can use net use to see what device names are already in use.

Status       Local     Remote                    Network

-------------------------------------------------------------------------------
OK           S:        \\servername\photos       Microsoft Windows Network
OK           LPT2      \\servername\laser1       Microsoft Windows Network
The command completed successfully.

Use net view \\computername to see the share name of the printer.

Share name  Type   Used as  Comment

---------------------------------------------------
Laser1      Print           Laser1 (1200) PCL 6
photos      Disk
The command completed successfully.

In this case the share name is "Laser1" not "Laser1 (1200) PCL 6"

When mapping printers, normally you get an error message like this

C:\> net use lpt2 \\computername\printersharename
System error 85 has occurred.

The local device name is already in use.

What error number did you get?

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As far as I know It is 85 –  Abruzzo Forte e gentile May 12 '11 at 15:27
    
Then net use will show you that lpt2 is already in use, you can't assign it to two different printers at the same time. When you say "as far as I know" you seem uncertain - why? –  RedGrittyBrick May 12 '11 at 15:34
    
It is 85. Sure and guaranteed. :) –  Abruzzo Forte e gentile May 12 '11 at 18:16

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